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Why does modern Perl avoid UTF-8 by default?
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use warnings;
use warnings qw( FATAL utf8 );
Declare that this source unit is encoded as UTF‑8. Although once upon a time this pragma did other things, it now serves this one singular purpose alone and no other:
use utf8;
Declare that anything that opens a filehandle within this lexical scope...
Why is the C++ STL is so heavily based on templates? (and not on *interfaces*)
I mean, aside from its obligating name (the Standard Template Library)...
13 Answers
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Limit file format when using ?
...utton in the <input type="file"> element in HTML. I have a feeling it's impossible, but I'd like to know if there is a solution. I'd like to keep solely to HTML and JavaScript; no Flash please.
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Error: Cannot access file bin/Debug/… because it is being used by another process
...ld problem, something that still pops up in Visual Studio once in a while. It's bitten me a couple of times and I've lost hours restarting and fighting with VS. I'm sure it's been discussed here on SO more than once. It's also been talked about on the MSDN forums. There isn't an actual solution, but...
What's wrong with cplusplus.com?
This is perhaps not a perfectly suitable forum for this question, but let me give it a shot, at the risk of being moved away.
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When do you use the “this” keyword? [closed]
I was curious about how other people use the this keyword. I tend to use it in constructors, but I may also use it throughout the class in other methods. Some examples:
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Practical non-image based CAPTCHA approaches?
It looks like we'll be adding CAPTCHA support to Stack Overflow. This is necessary to prevent bots, spammers, and other malicious scripted activity. We only want human beings to post or edit things here!
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Is it safe to delete a void pointer?
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It depends on "safe." It will usually work because information is stored along with the pointer about the allocation itself, so the deallocator can return it to the right place. In this sense it is "safe" as long as your al...
Is it abusive to use IDisposable and “using” as a means for getting “scoped behavior” for exception
... often used back in C++ was letting a class A handle a state entry and exit condition for another class B , via the A constructor and destructor, to make sure that if something in that scope threw an exception, then B would have a known state when the scope was exited. This isn't pure RAII as f...
Position Relative vs Absolute?
What is the difference between position: relative and position: absolute in CSS? And when should you use them?
10 Answe...