split query

16 Message(s) by 7 Author(s) originally posted in java programmer

From: Nicole.Winfrey

Date: Friday, October 26, 2007

I know that the split

<programming> A program like {Unix}'s "split" which breaks an
	input file into parts, usually of a pre-set size, e.g. the
	maximum size that can fit on a {floppy}.  The parts can then
	be assembled with a {dechunker}, which is usually just the
	chunker in a different mode.

	(1998-12-15)

method

<programming> The name given in {Smalltalk} and other
	{object-oriented languages} to a procedure or routine
	associated with one or more {classes}.  An {object} of a
	certain class knows how to perform actions, e.g. printing
	itself or creating a new instance of itself, rather than the
	function (e.g. printing) knowing how to handle different types
	of object.

	Different classes may define methods with the same name
	(i.e. methods may be {polymorphic}).  The term "method" is used
	both for a named operation, e.g. "PRINT" and also for the code
	which a specific class provides to perform tha
	t operation.

	Most methods operate on objects that are instances of a
	certain class.  Some object-oriented languages call these
	"object methods" to distinguish then from "{class methods}".

	In {Smalltalk}, a method is defined by giving its name,
	documentation, temporary local variables and a sequence of
	expressions separated by "."s.

	(2000-03-22)

is used to produce an array

1. <programming> A collection of identically typed data items
	distinguished by their indices (or "subscripts").  The number
	of dimensions an array can have depends on the language but is
	usually unlimited.

	An array is a kind of {aggregate} data type.  A single
	ordinary variable (a "{scalar}") could be considered as a
	zero-dimensional array.  A one-dimensional array is also known
	as a "{vector}".

	A reference to an array element is written something like
	A[i,j,k] where A is the array name and i, j and k are the
	indices.  The {C} language is peculiar in that each index is
	written in separate brackets, e.g. A[i][j][k].  This expresses
	the fact that, in C, an N-dimensional array is actually a
	vector, each of whose elements is an N-1 dimensional array.

	Elements of an array are usually stored contiguously.
	Languages differ as to whether the leftmost or rightmost index
	varies most rapidly, i.e. whether each row is stored
	contiguously or each column (for a 2D array).

	Arrays are appropriate for storing data which must be accessed
	in an unpredictable order, in contrast to {lists} which are
	best when accessed sequentially.

	See also {associative array}.

	2. <architecture> A {processor array}, not to be confused with
	an {array processor}.

	(1995-01-25)

of string

<programming> A sequence of {data} values, usually {bytes},
	which usually stand for {characters} (a "character string").
	The {mapping} between values and characters is determined by
	the {character set} which is itself specified implcitly or
	explicitly by the environment in which the string is being
	interpreted.

	The most common character set is {ASCII} but, since the late
	1990s, there has been increased interest in larger character
	sets such as {Unicode} where each character is represented by
	more than eight {bits}.

	Most programming languages consider strings (e.g.
	"124:shabooya:\n", "hello world") basically distinct from
	numbers which are typically stored in fixed-length {binary} or
	{floating-point} representation.

	A {bit string} is a sequence of {bits}.

	(1999-12-21)

s
separated by the argument

<programming> (Or "arg") A value or reference passed to a
	{function}, {procedure}, {subroutine}, command or program, by
	the caller.  For example, in the function definition

		square(x) = x * x

	x is the {formal argument} or "parameter", and in the call

		y = square(3+4)

	3+4 is the {actual argument}.  This will execute the function
	square with x having the value 7 and return the result 49.

	There are many different conventions for passing arguments to
	functions and procedures including {call-by-value},
	{call-by-name}, {call-by-reference}, {call-by-need}.  These
	affect whether the value of the argument is computed by the
	caller or the callee (the function) and whether the callee can
	modify the value of the argument as seen by the caller (if it
	is a variable).

	Arguments to functions are usually, following mathematical
	notation, written in parentheses after the function name,
	separated by commas (but see {curried function}).  Arguments
	to a program are usually given after the command name,
	separated by spaces, e.g.:

		cat myfile yourfile hisfile

	Here "cat" is the command and "myfile", "yourfile", and
	"hisfile" are the arguments.

	(2006-05-27)

.

I'm confused about the split string method in the following cases.

String test = "ABC";
String[] arr = test.split(",");

What's the value of arr? Is it null

<programming> A special value used in several languages to
	represent the thing referred to by an uninitialised pointer.

	<database> A special value that may be stored in some database
	columns to represent an unknown, missing, not applicable, or
	undefined value.  Nulls are treated completely differently
	from ordinary values when evaluating SQL expressions and there
	are several SQL constructs for dealing with nulls.

	(2003-06-17)

or it has arr[0] with the value of
"ABC"?

String test2 = "";
String[] arr2 = test2.split(",");

What's the value of arr2? Is it null or it has arr[0] with the value
of ""?

From: Andrew Thompson

Date: Friday, October 26, 2007

wrote in message:

I know that the split method is used to produce an array of strings
separated by the argument.
I'm confused about the split string method in the following cases.

Somebody posting

A message sent to a {newsgroup} or {mailing list} (may also be
	called "a post") or the act of sending it.  Distinguished from
	a "letter" or ordinary {electronic mail} message by the fact
	that it is broadcast rather than point-to-point.  It is not
	clear whether messages sent to a small mailing list are
	postings or e-mail; perhaps the best dividing line is that if
	you don't know the names of all the potential recipients, it
	is a posting.

	[{Jargon File}]

to c.l.j.p.'d normally be expected
to have enough nouse to write

1. <chat> {Unix}'s simple {talk} command and {protocol}.
	write has been largely superseded by {talk} and then {irc}.

	An enhancement, {RWP}, has been proposed.

	2. <tool> A simple {text editor} for {Windows}.

	(1998-04-28)

a short test program

<programming> (Or "computer program", "program", "code") The
	instructions executed by a computer, as opposed to the
	physical device on which they run (the "{hardware}").

	The term was coined by the eminent statistician, {John Tukey}.

	Programs stored on {non-volatile storage} built from
	{integrated circuits} (e.g. {ROM} or {PROM}) are usually
	called {firmware}.

	Software can be split into two main types - {system software}
	and application software or {application programs}.  System
	software is any software required to support the production or
	execution of application programs but which is not specific to
	any particular application.  Examples of system software would
	include the {operating system}, {compilers}, editors and
	sorting programs.

	Examples of application programs would include an accounts
	package or a {CAD} program.  Other broad classes of
	application software include {real-time} software, {business
	software}, scientific and engineering software, {embedded
	software}, personal computer software and {artificial
	intelligence} software.

	Software includes both {source code} written by humans and
	executable {machine code} produced by {assemblers} or
	{compilers}.  It does not usually include the data processed
	by programs unless this is in a format such as {multimedia}
	which depends on the use of computers for its presentation.
	This distinction becomes unclear in cases such as {spread
	sheets} which can contain both instructions (formulae and
	{macros}) and data.  There are also various intermediate
	compiled or {semi-compiled}, forms of software such as
	{library} files and {byte-code}.

	Some claim that {documentation} (both paper and electronic) is
	also software.  Others go further and define software to be
	programs plus documentation though this does not correspond
	with common usage.

	The noun "program" describes a single, complete and
	more-or-less self-contained list of instructions, often stored
	in a single {file}, whereas "code" and "software" are
	uncountable nouns describing some number of instructions which
	may constitute one or more programs or part thereof.  Most
	programs, however, rely heavily on various kinds of {operating
	system} software for their execution.  The nounds "code" and
	"software" both refer to the same thing but "code" tends to
	suggest an interest in the implementation details whereas
	"software" is more of a user's term.

	(2002-07-21)

that could
answer the very questions you ask.

Why not try that?

--
Andrew Thompson
http://www.athompson.info/andrew/

Message posted via http://www.JAVAkb.com

From: Lew

Date: Friday, October 26, 2007

wrote in message:

... a short test program that could
answer the very questions you ask.
Why not try that?

One of the benefits of writing and deploying an SSCCE
<http://www.physci.org/code

<software> Instructions for a computer in some programming
	language, often {machine language}.  The word "code" is often
	used to distinguish instructions from {data} (e.g. "The code
	is marked 'read-only'") whereas "{software}" is used in
	contrast with "{hardware}" and may consist of more than just
	code.

	(2000-04-08)

s/sscce.html>
is that it very often answers the question for you.

--
Lew

From: Andrew Thompson

Date: Friday, October 26, 2007

wrote in message:

... a short test program that could
answer the very questions you ask.

Why not try that?
One of the benefits of writing and deploying an SSCCE
<http://www.physci.org/codes/sscce.html>
is that it very often answers the question for you.

An excellent point

1. <unit, text> (Sometimes abbreviated "pt") The unit of
	length used in {typography} to specify text character height,
	{rule} width, and other small measurements.

	There are six slightly different definitions: {Truchet point},
	{Didot point}, {ATA point}, {TeX point}, {Postscript point},
	and {IN point}.

	In Europe, the most commonly used is Didot and in the US, the
	formerly standard ATA point has essentially been replaced by
	the PostScript point due to the demise of traditional
	typesetting systems and rise of desktop computer based systems
	running software such as {QuarkXPress}, {Adobe InDesign} and
	{Adobe Pagemaker}.

	There are 20 {twips} in a point and 12 points in a {pica}
	(known as a "Cicero" in the Didot system).

	{Different point systems
	(http://www.vakcer.com/oberon/dtp/fonts/point.htm)}.

	(2004-12-23)

	2. <hardware> To move a {pointing device} so that the
	on-screen pointer is positioned over a certain object on the
	screen such as a {button} in a {graphical user interface}.  In
	most {window systems} it is then necessary to {click} a
	(physical) button on the pointing device to activate or select
	the object.  In some systems, just pointing to an object is
	known as "mouse-over" {event} which may cause some help text
	(called a "tool tip" in {Windows}) to be displayed.

	(2001-05-21)

.

--
Andrew Thompson
http://www.athompson.info/andrew/

Message posted via JAVAKB.com
http://www.JAVAkb.com/Uwe/Forums.aspx/JAVA-general/200710/1

From: Roedy Green

Date: Friday, October 26, 2007

wrote in message,
quoted or indirectly quoted someone who said :

I'm confused about the split string method in the following cases.
String test = "ABC";
String[] arr = test.split(",");

The usual problem people have with split in this:
The split argument isn't a simple String, but rather a regex
expression. $ ( ) * + - . < = ? [ \ ] ^ { | } characters have magic
meaning. They need to be quoted when you mean them literally. See
http://mindprod.com/jgloss/regex.html#QUOTING

This baffles people. However, your question

String test = "ABC";
String[] arr = test.split(",");

What's the value of arr? Is it null or it has arr[0] with the value of
"ABC"?

Should be solved easily with a simple experiment.

It baffles me when people ask questions like yours. It'd be less
work, less typing and much faster to do the experiment than to post a
question.

I wonder what inhibits people from experimenting.

1. too many Star Trek episodes where computers explode given the
"wrong" inputs.

2. punishment as a child

<mathematics, data> (Or "child", "successor") In a {tree}, a
	{node} pointed to by a {parent}, i.e. another node closer to
	the {root node}.

	(1998-11-14)

for asking questions.

3. punishment as a child for curiosity.

4. lack of confidence in your ability to perform experiments or lack
of confidence in the generality of experimental results. You prefer
the authority of another human.

I recall teaching a computer course to some women reentering the work
force as part of a government program. I asked them to pound

1. <character> {hash character}.

	2. <programming> {hash coding}.

	3. The preferred term for a {Perl} {associative array}.

	(1995-03-06)

some
random key

1. <database> A value used to identify a {record} in a
	database, derived by applying some fixed function to the
	record.  The key is often simply one of the {fields} (a
	{column} if the database is considered as a table with records
	being rows, see "{key field}").  Alternatively the key may be
	obtained by applying some function, e.g. a {hash function}, to
	one or more of the fields.  The set of keys for all records
	forms an {index}.  Multiple indexes may be built for one
	database depending on how it is to be searched.

	2. <cryptography> A value which must be fed into the
	{algorithm} used to decode an encrypted message in order to
	reproduce the original {plain text}.  Some encryption schemes
	use the same (secret) key to encrypt and decrypt a message,
	but {public key encryption} uses a "private" (secret) key and
	a "public" key which is known by all parties.

	3. <hardware> An electromechanical {keyboard} button.

	(2003-07-04)

s to prove to themselves the computer wouldn't explode. I
meant this as a joke, and to ease the fear of making mistakes.

One woman

<tool> A replacement for the {Unix} {man} {documentation}
	browsing command.  Version 1.157 of woman runs under/on
	{386BSD}, {OSF}, {Apollo} {Domain/OS}, {BSD}, {HP-UX}, {IBM}
	{RS-6000}, {Irix}, {Linux}, {Solaris}, {Sony} {NEWS}, {SunOS},
	{Ultrix}, {Unicos}.

	Posted to comp.sources.reviewed Volume 3, Issue 50 on 05 Jul
	1993 by Arne Henrik Juul <arnej@pvv.unit.no>, archive-name
	woman-1.157.

	{FTP USC, USA
	(ftp://usc.edu/archive/usenet/sources/comp.sources.reviewed/volume3/woman-1.157/)}.
	{FTP Imperial, UK
	(ftp://src.doc.ic.ac.uk/usenet/comp.sources.reviewed/volume3/woman-1.157/)}.

	(1995-03-21)

asked "Which key should I hit

1. <architecture> {cache hit}.

	2. <World-Wide Web> A request to a {web server} from a {web
	browser} or other {client} (e.g. a {robot}).

	The number of hits on a server may be important for
	determining advertising revenue.

	In the course of loading a single {web page}, a browser may
	hit a web server many times e.g. to retrieve the page itself
	and each {image} on the page.  In contrast, caching by
	browsers and {web proxies} reduces the number of hits on the
	server because some requests are satisfied from the cache.

	3. <jargon> To press and release a key on the keyboard.  Some
	prefer the less aggressive "tap".

	(2000-02-20)

". I said, "Any you like..
Close your eyes. Just hit any keys you like."

She burst into tears. She then reported me for abusing her by giving
her inadequate direction on what to do.

She was an extreme example of someone afraid to experiment, someone
terrified of making a mistake or doing something without explicit
permission.

At the opposite end are kids who are itching to press every button

1. <electronics> {push-button}.

	2. <operating system> A graphical representation of an
	electrical {push-button} appearing as part of a {graphical
	user interface}.  Moving the {mouse pointer} over the
	graphical button and pressing one of the physical mouse
	buttons starts some software action such as closing a window
	or deleting a file.

	See also {radio button}.

	(1997-07-07)

to
see if they can figure out what it does.

The kindest thing a parent

<mathematics, data> The {ancestor} {node} in a {tree} that
	points to the current node (one of its child nodes).

	(2005-09-15)

can do is avoid squashing his children's
curiosity. That was one thing my parents did well.

"The reason is, that I'm doubtful about the temper of your flamingo.
Shall I try the experiment?'"
~ The Dutchess, Alice

<computer, parallel> A parallel {graph rewriting} computer
	developed by {Imperial College}, {University of Edinburgh} and
	{ICL}.

	(1995-01-19)

In Wonderland.

--
Roedy Green

A language proposed by Cii {Honeywell-Bull} to meet the DoD
	{Ironman} requirements which led to {Ada}.  This language won
	in 1979.

	["On the GREEN Language Submitted to the DoD", E.W. Dijkstra,
	SIGPLAN Notices 13(10):16-21 (Oct 1978)].

	(1994-12-02)

Canadian Mind Products
The JAVA Glossary
http://mindprod.com

From: John W. Kennedy

Date: Friday, October 26, 2007

wrote in message:

have enough nouse

"nous" (or "Î½Î¿Ï…Ï‚"). Greek word.
--
John W. Kennedy
"But now is a new thing which is very old--
that the rich make themselves richer and not poorer,
which is the true Gospel, for the poor's sake."
-- Charles Williams. "Judgement at Chelmsford"

From: Daniel Pitts

Date: Friday, October 26, 2007

wrote in message:
wrote in message,
quoted or indirectly quoted someone who said :
I'm confused about the split string method in the following cases.

String test = "ABC";
String[] arr = test.split(",");
The usual problem people have with split in this:
The split argument isn't a simple String, but rather a regex
expression. $ ( ) * + - . < = ? [ \ ] ^ { | } characters have magic
meaning. They need to be quoted when you mean them literally. See
http://mindprod.com/jgloss/regex.html#QUOTING
This baffles people. However, your question
String test = "ABC";
String[] arr = test.split(",");
What's the value of arr? Is it null or it has arr[0] with the value of
"ABC"?
Should be solved easily with a simple experiment.
It baffles me when people ask questions like yours. It'd be less
work, less typing and much faster to do the experiment than to post a
question.
I wonder what inhibits people from experimenting.
1. too many Star Trek episodes where computers explode given the
"wrong" inputs.

Hah, had not considered that.

2. punishment as a child for asking questions.
3. punishment as a child for curiosity.

me thinks 2 and 3 amount to the same thing.

4. lack of confidence in your ability to perform experiments or lack
of confidence in the generality of experimental results. You prefer
the authority of another human.

I'm mostly self taught. I always experimented with everything, except
when I *first* started learning about multithreaded

<parallel> Sharing a single {CPU} between multiple tasks (or
	"threads") in a way designed to minimise the time required to
	switch threads.  This is accomplished by sharing as much as
	possible of the program execution environment between the
	different threads so that very little state needs to be saved
	and restored when changing thread.

	Multithreading differs from {multitasking} in that threads
	share more of their environment with each other than do tasks
	under multitasking.  Threads may be distinguished only by the
	value of their {program counters} and {stack pointers} while
	sharing a single {address space} and set of {global
	variables}.  There is thus very little protection of one
	thread from another, in contrast to multitasking.

	Multithreading can thus be used for very fine-grain
	multitasking, at the level of a few instructions, and so can
	hide {latency} by keeping the processor busy after one thread
	issues a long-latency instruction on which subsequent
	instructions in that thread depend.

	A {light-weight process} is somewhere between a thread and a
	full process.

	{TL0} is an example of a threaded machine language.
	{Dataflow} computation (E.g. {Id} and {SISAL}) is an extreme
	form of multithreading.

	(1997-12-23)

programming. I had
heard so many people say that its so difficult to get right, and that
the code could appear to work, but not be "correct". This put me off of
the subject

<programming> In {subject-oriented programming}, a subject is
	a collection of {classes} or class fragments whose {class
	hierarchy} models its domain in its own, subjective way.  A
	subject may be a complete application in itself, or it may be
	an incomplete fragment that must be composed with other
	subjects to produce a complete application.  Subject
	composition combines class hierarchies to produce new subjects
	that incorporate functionality from existing subjects.

	(1999-08-31)

for a while until I realized that there was a finite

1. (Or "finite", "isolated") In {domain theory}, an element d
	of a {cpo} D is compact if and only if, for any {chain} S, a
	subset of D,

		d <= lub S  =>  there exists s in S such that d <= s.

	I.e. you always reach d (or better) after a finite number of
	steps up the chain.

	("<=" is written in {LaTeX} as {\sqsubseteq}).

	[{Jargon File}]

	(1995-01-13)

	2. Of a design, describes the valuable property that it can
	all be apprehended at once in one's head.  This generally
	means the thing created from the design can be used with
	greater facility and fewer errors than an equivalent tool that
	is not compact.  Compactness does not imply triviality or lack
	of power; for example, {C} is compact and {Fortran} is not,
	but C is more powerful than Fortran.  Designs become
	non-compact through accreting {features} and {cruft} that
	don't merge cleanly into the overall design scheme (thus, some
	fans of {Classic C} maintain that {ANSI C} is no longer
	compact).

	(1995-01-13)

(actually small) set of rules which you could reason with. This gave me
the ability to "mentally" experiment with such scenarios.
Experimentation is definitely an invaluable process.

I recall teaching a computer course to some women reentering the work
force as part of a government program. I asked them to pound some
random keys to prove to themselves the computer wouldn't explode. I
meant this as a joke, and to ease the fear of making mistakes.
One woman asked "Which key should I hit". I said, "Any you like..
Close your eyes. Just hit any keys you like."
She burst into tears. She then reported me for abusing her by giving
her inadequate direction on what to do.

This sounds like an exaggeration, but I believe it. Many of my past
students have known the solution

<jargon> A {marketroid} term for something he wants to sell
	you without bothering you with the often dizzying distinctions
	between {hardware}, {software}, {services}, {applications},
	{file formats}, companies, brand names and {operating
	systems}.

	"{Flash} is a perfect image-streaming solution."  "What is
	it?"  "Um...  about a thousand dollars."

	See also: {technology}.

	(1998-07-07)

to a problem, but would not attempt it
until I told them it was correct.

If someone has to tell you that you're correct, then you will never
produce anything original.

She was an extreme example of someone afraid to experiment, someone
terrified of making a mistake or doing something without explicit
permission.
At the opposite end are kids who are itching to press every button to
see if they can figure out what it does.
The kindest thing a parent can do is avoid squashing his children's
curiosity. That was one thing my parents did well.

Agreed, There is a fine line

1. <hardware> An electrical conductor.  For distances larger
	than a breadbox, a single line may consist of two electrical
	conductors in twisted, parallel, or concentric arrangement
	used to transport one logical signal.

	By extension, a (usually physical) medium such as an {optical
	fibre} which carries a signal.

	(1995-09-29)

between protecting the wellbeing of your
children and possessions, and causing harm in the form of fear of
experimenting.

--
Daniel Pitts' Tech Blog: <http://virtualinfinity.net/wordpress/>

From: Andrew Thompson

Date: Saturday, October 27, 2007

wrote in message:
wrote in message:
> have enough nouse
"nous" (or " "). Greek word.

Oops! My bad. Bad enough that I am using obscure
words, worse that they are neither English*, nor
correctly spelt!

Since the definitions point out that the word
'nous' has many different meanings, I'll
clarify that I actually meant 'common sense'.

* If only for the reason that people might be
expecting 'English' here.

Andrew T.

From: Roedy Green

Date: Saturday, October 27, 2007

On Fri, 26 Oct 2007 12:03:22 -0700, Daniel Pitts
wrote in message, quoted or indirectly
quoted someone who said :

2. punishment as a child for asking questions.

3. punishment as a child for curiosity.
me thinks 2 and 3 amount to the same thing.

Curiosity'd include

[{Usenet}] 1. To duplicate a portion (or whole) of another's
	message (typically with attribution to the source) in a reply
	or followup, for clarifying the context of one's response.
	See the discussion of inclusion styles under "Hacker Writing
	Style".

	2. [{C}] "#include <disclaimer.h>" has appeared in {sig
	blocks} to refer to a notional "standard {disclaimer} file".

	[{Jargon File}]

taking things apart, poking around in parent's
belongings, attempting to use tools, wandering off to explore, wanting
to take large amounts of time to study interesting

In hacker parlance, this word has strong connotations of
	"annoying", or "difficult", or both.  Hackers relish a
	challenge, and enjoy wringing all the irony possible out of
	the ancient Chinese curse "May you live in interesting times".

	[{Jargon File}]

phenomena, interest
in things parents consider morbid like insects, road kill, books of
tropical diseases ...

Asking questions can sometimes just be a way to pass time. The answers
aren't important. It is just something to do with a parent. I can
remember asking questions I already knew the answers to when I ran out
of new ones. It was almost like asking for a familiar bedtime story.
--
Roedy Green Canadian Mind Products
The JAVA Glossary
http://mindprod.com

From: Roedy Green

Date: Saturday, October 27, 2007

On Fri, 26 Oct 2007 12:03:22 -0700, Daniel Pitts
wrote in message, quoted or indirectly
quoted someone who said :

This sounds like an exaggeration, but I believe it.

Strangely it isn't. What is odd is the other women in the class

1. <programming> The prototype for an {object} in an
	{object-oriented language}; analogous to a {derived type} in a
	{procedural language}.  A class may also be considered to be a
	set of objects which share a common structure and behaviour.
	The structure of a class is determined by the {class
	variables} which represent the {state} of an object of that
	class and the behaviour is given by a set of {methods}
	associated with the class.

	Classes are related in a {class hierarchy}.  One class may be
	a specialisation (a "{subclass}") of another (one of its
	"{superclasses}") or it may be composed of other classes or it
	may use other classes in a {client-server} relationship.  A
	class may be an {abstract class} or a {concrete class}.

	See also {signature}.

	2. <programming> See {type class}.

	3. <networking> One of three types of {Internet addresses}
	distinguished by their most significant bits.

	3. <language> A language developed by the {Andrew Project}.
	It was one of the first attempts to add {object-oriented}
	features to {C}.

	(1995-05-01)

chastised me as well. I was dumbfounded. Their point was I should
haven'ticed how stressful this was for her and backed off, and that I
should apologise for giving her an impossible ill-defined task. I gave
her no algorithm

<algorithm, programming> A detailed sequence of actions to
	perform to accomplish some task.  Named after an Iranian
	mathematician, Al-Khawarizmi.

	Technically, an algorithm must reach a result after a {finite}
	number of steps, thus ruling out {brute force} search methods
	for certain problems, though some might claim that brute force
	search was also a valid (generic) algorithm.  The term is also
	used loosely for any sequence of actions (which may or may not
	terminate).

	{Paul E. Black's Dictionary of Algorithms, Data Structures,
	and Problems (http://www.nist.gov/dads/)}.

	(2002-02-05)

to decide which key to kit. Her reluctance for me
made no sense. It wasn't as though I was asking her to jump

<programming> (Or "branch") The term for a {goto} instruction,
	usually in a context of {machine languages}.  "Branch" may be
	synonymous with "jump", or may refer to jumps that depend on a
	condition.

	(1998-11-14)

out of a
plane.

I had taught university level and children before, but never a group
such as this. It was completely different.

I talked about this with various people trying to understand what was
happening.

One person said, that older adults are extremely afraid of making a
mistake, especially a public mistake.. They'd find it humiliating.
(I hadn'ticed teaching university students a few'd refuse to work
at the black board.) They want to know exactly what to do. They want
assurance the odds of making a mistake are extremely low.

It seems to me, you can not learn anything in computers until you are
willing to make hundreds of mistakes. You've to keep trying thing
after thing until you find something that works. If you punish
yourself for failing to guess the right answer the first time, you
will become paralysed and incapable of solving any but the simplest
problems.
--
Roedy Green Canadian Mind Products
The JAVA Glossary
http://mindprod.com

From: Roedy Green

Date: Saturday, October 27, 2007

On Fri, 26 Oct 2007 12:03:22 -0700, Daniel Pitts
wrote in message, quoted or indirectly
quoted someone who said :

This sounds like an exaggeration, but I believe it.

The fact I left out was these women had been out of the work force for
a very long time, and were having minor psychological problems
reintegrating. They were a very timid group, possibly abuse survivors.
My course was supposed to give them a gentle, low-pressure
introduction to computers. I was known for teaching in a light
humorous way.
--
Roedy Green Canadian Mind Products
The JAVA Glossary
http://mindprod.com

From: Patricia Shanahan

Date: Saturday, October 27, 2007

wrote in message:
...

It seems to me, you can not learn anything in computers until you are
willing to make hundreds of mistakes. You've to keep trying thing
after thing until you find something that works. If you punish
yourself for failing to guess the right answer the first time, you
will become paralysed and incapable of solving any but the simplest
problems.

...

I'd delete

1. <operating system> (Or "erase") To make a file
	inaccessible.

	Usually this operation only deletes information from the
	tables the {file system} uses to locate named files; the
	file's contents still exist on {disk} and can sometimes be
	recovered by scanning the whole disk for strings which are
	known to have been in the file.  Files created subsequently on
	the same disk are quite likely to reuse the same blocks and
	thus overwrite the deleted file's data permanently.

	2. <character> The {control character} with {ASCII} code 127.
	Usually entering this character from the keyboard deletes the
	last character typed from the {input buffer}.  Sadly there is
	great confusion between {operating systems} and keyboard
	manufacturers as to whether this function should be assigned
	to the delete or {backspace} key/character.

	The choice of code 127 (binary 1111111) is not arbitrary but
	dates back to the use of {paper tape} for input.  The delete
	key rewound the tape by one character and punched out all
	seven holes, thus obliterating whatever character was there
	before.  The tape reading software ignored any delete
	characters in the input.

	(1996-12-01)

"in computers" from the first sentence

<logic> A collection of {clauses}.

	See also {definite sentence}.

	(2003-12-04)

of this paragraph.
Learning almost any skill involves trying to exercise the skill before
you've acquired it.

Patricia

From: Lew

Date: Saturday, October 27, 2007

wrote in message:

Since the definitions point out that the word
'nous' has many different meanings, I'll
clarify that I actually meant 'common sense'.

If you do not get /nous/ into your head, you might get your head into a noose.

--
Lew

From: John W. Kennedy

Date: Saturday, October 27, 2007

wrote in message:
wrote in message:
wrote in message:
have enough nouse
"nous" (or " "). Greek word.
Oops! My bad. Bad enough that I am using obscure
words, worse that they are neither English*, nor
correctly spelt!
Since the definitions point out that the word
'nous' has many different meanings, I'll
clarify that I actually meant 'common sense'.
* If only for the reason that people might be
expecting 'English' here.

The sense you meant is sufficiently known (as a British slang
expression) to be in larger dictionaries, and I, though an 'umble Yank,
already knew it from somewhere or other.

--
John W. Kennedy
"You can, if you wish, class all science-fiction together; but it is
about as perceptive as classing the works of Ballantyne, Conrad and W.
W. Jacobs together as the 'sea-story' and then criticizing _that_."
-- C. S. Lewis. "An Experiment in Criticism"

From: Daniel Pitts

Date: Saturday, October 27, 2007

wrote in message:

On Fri, 26 Oct 2007 12:03:22 -0700, Daniel Pitts
wrote in message, quoted or indirectly
quoted someone who said :
This sounds like an exaggeration, but I believe it.
Strangely it isn't. What is odd is the other women in the class
chastised me as well. I was dumbfounded. Their point was I should
haven'ticed how stressful this was for her and backed off, and that I
should apologise for giving her an impossible ill-defined task. I gave
her no algorithm to decide which key to kit. Her reluctance for me
made no sense. It wasn't as though I was asking her to jump out of a
plane.
I had taught university level and children before, but never a group
such as this. It was completely different.
I talked about this with various people trying to understand what was
happening.
One person said, that older adults are extremely afraid of making a
mistake, especially a public mistake.. They'd find it humiliating.
(I hadn'ticed teaching university students a few'd refuse to work
at the black board.) They want to know exactly what to do. They want
assurance the odds of making a mistake are extremely low.
It seems to me, you can not learn anything in computers until you are
willing to make hundreds of mistakes. You've to keep trying thing
after thing until you find something that works. If you punish
yourself for failing to guess the right answer the first time, you
will become paralysed and incapable of solving any but the simplest
problems.

Man, I would've apologized. I'm sorry you're too stupid to learn
computers. Just kidding.

Although, my with my personality I would've apologized, not for my
methodology, but because I did not notice/realize the distress I was
causing. I can see how most people in your situation would not
apologize. I do not think you're wrong.

I also agree that the fear of mistakes is debilitating to'd-be
students. Even I fall prey to that fear at times. As soon as I get
over it, I tend to do better than many of my peers.
--
Daniel Pitts' Tech Blog: <http://virtualinfinity.net/wordpress/>

From: Daniel Pitts

Date: Saturday, October 27, 2007

wrote in message:
wrote in message:
wrote in message:
wrote in message:
have enough nouse
"nous" (or " "). Greek word.

Oops! My bad. Bad enough that I am using obscure
words, worse that they are neither English*, nor
correctly spelt!

Since the definitions point out that the word
'nous' has many different meanings, I'll
clarify that I actually meant 'common sense'.

* If only for the reason that people might be
expecting 'English' here.
The sense you meant is sufficiently known (as a British slang
expression) to be in larger dictionaries, and I, though an 'umble Yank,
already knew it from somewhere or other.

Yeah, but you're into reading lit., so you've a wider experience than
the average American. (Does not Yank mean something else in British en_UK?)

From context, I simply took it as a word I did not understand that meant
something that someone *should* have. Being clarified as common sense,
it turns out I was right.

--
Daniel Pitts' Tech Blog: <http://virtualinfinity.net/wordpress/>

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