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How to explain callbacks in plain english? How are they different from calling one function from ano
...to explain callbacks in plain English? How are they different from calling one function from another function taking some context from the calling function? How can their power be explained to a novice programmer?
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@class vs. #import
It is to my understanding that one should use a forward-class declaration in the event ClassA needs to include a ClassB header, and ClassB needs to include a ClassA header to avoid any circular inclusions. I also understand that an #import is a simple ifndef so that an include only happens once....
Running junit tests in parallel in a Maven build?
...y own ParallelSuite and ParallelParameterized runners. Using these runners one can easily parallelize test suites and parameterized tests.
ParallelSuite.java
public class ParallelSuite extends Suite {
public ParallelSuite(Class<?> klass, RunnerBuilder builder) throws InitializationError...
How do I perform an IF…THEN in an SQL SELECT?
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The case statement is your friend in this situation, and takes one of two forms:
The simple case:
SELECT CASE <variable> WHEN <value> THEN <returnvalue>
WHEN <othervalue> THEN <returnthis>
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Convert form data to JavaScript object with jQuery
...a few months old, but since when did do arrays use non-numeric indexes? No one should name an input foo[bar] and hope to treat it as an array. Are you confusing arrays and hashes? Yes, [] is commonly understood to be an accessor but not just for arrays. Also saying it's valid HTML but not in the HTM...
Career day in kindergarten: how to demonstrate programming in 20 minutes? [closed]
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I've done this before.
I laid down a lot of paper towels on a table, and got out a loaf of (cheap) bread, a small tub of butter, a small jar of jelly, and a plastic butter knife.
I said to the kids, "How many of you think compute...
CA2202, how to solve this case
...ied again that this code does not generate the warning, while the original one does.
In the original code, CryptoStream.Dispose() and MemoryStream().Dispose() are actually called twice (which may or may not be a problem).
The modified code works as follows: references are set to null, as soon as r...
UIView Infinite 360 degree rotation animation?
...ew 360 degrees, and have looked at several tutorials online. I could get none of them working, without the UIView either stopping, or jumping to a new position.
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What is the difference between XMLHttpRequest, jQuery.ajax, jQuery.post, jQuery.get
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Each one of them uses XMLHttpRequest. This is what the browser uses to make the request. jQuery is just a JavaScript library and the $.ajax method is used to make a XMLHttpRequest.
$.post and $.get are just shorthand versions of ...
How to make my font bold using css?
...nswered Jun 13 '09 at 18:00
erenonerenon
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