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Why would you ever implement finalize()?
...eading through a lot of the rookie Java questions on finalize() and find it kind of bewildering that no one has really made it plain that finalize() is an unreliable way to clean up resources. I saw someone comment that they use it to clean up Connections, which is really scary since the only way...
Can someone explain this 'double negative' trick? [duplicate]
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A logical NOT operator ! converts a value to a boolean that is the opposite of its logical value.
The second ! converts the previous boolean result back to the boolean representation of its original logical value.
From these docs for the Logical NOT operator:
Returns false if its single o...
Use of Application.DoEvents()
...stique of DoEvents(). There's been an enormous amount of backlash against it, but nobody ever really explains why it is "bad". The same kind of wisdom as "don't mutate a struct". Erm, why does the runtime and the language supports mutating a struct if that's so bad? Same reason: you shoot yourse...
What is the difference between RegExp’s exec() function and String’s match() function?
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exec with a global regular expression is meant to be used in a loop, as it will still retrieve all matched subexpressions. So:
var re = /[^\/]+/g;
var match;
while (match = re.exec('/a/b/c/d')) {
// match is now the next matc...
Recommended way to embed PDF in HTML?
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Probably the best approach is to use the PDF.JS library. It's a pure HTML5/JavaScript renderer for PDF documents without any third-party plugins.
Online demo:
http://mozilla.github.com/pdf.js/web/viewer.html
GitHub:
https://github.com/mozilla/pdf.js
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“Least Astonishment” and the Mutable Default Argument
Anyone tinkering with Python long enough has been bitten (or torn to pieces) by the following issue:
31 Answers
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Is it possible to set the stacking order of pseudo-elements below their parent element? [duplicate]
I am trying to style a element with the :after pseudo element CSS selector
9 Answers
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Cancel a UIView animation?
Is it possible to cancel a UIView animation while it is in progress? Or would I have to drop to the CA level?
17 Answers
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Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
...iguration changes. Note that this is the recommended replacement for Activity.onRetainnonConfigurationInstance() in the docs.
If for some reason you really don't want to use a retained fragment, there are other approaches you can take. Note that each fragment has a unique identifier returned by F...
Has anyone used Coffeescript for a production application? [closed]
Coffeescript looks pretty cool. Has anyone used it? What are its Pros & Cons?
7 Answers
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