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Format date and time in a Windows batch script
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As note for someone who will come here from Google (like me): This is locale dependent, so it may require tweaks to work on non-english Windows!
– PiotrK
Jan 12 '13 at 22:28
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What does template mean?
...x = N;
In fact, we can create algorithms which evaluate at compile time (from Wikipedia):
template <int N>
struct Factorial
{
enum { value = N * Factorial<N - 1>::value };
};
template <>
struct Factorial<0>
{
enum { value = 1 };
};
// Factorial<4>::value...
Breaking out of a nested loop
... loop is perfectyly ok. Besides, note that all break, continue and return, from structural programming point of view, are hardly better than goto - basically they're the same thing, just in nicer packaging. That's why pure structural languages (such as original Pascal) lack all of three.
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Getting a structural type with an anonymous class's methods from a macro
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How do I turn off PHP Notices?
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@user I think the local value can come from ini_set directives or php_ini_flag settings in .htaccess files.
– Pekka
May 20 '10 at 11:53
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“is” operator behaves unexpectedly with integers
... that’s mysterious, but I guess it’s for (dis)assembling integers into/from bytes.
– Davis Herring
Jan 27 '18 at 1:56
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Why are my basic Heroku apps taking two seconds to load?
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If your application is unused for a while it gets unloaded (from the server memory).
On the first hit it gets loaded and stays loaded until some time passes without anyone accessing it.
This is done to save server resources. If no one uses your app why keep resources busy and not...
Font Awesome not working, icons showing as squares
... with Amazon Cloudfront CDN but it got resolved after I started loading it from maxcdn
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Database Structure for Tree Data Structure
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Joe Celko has written a book on this subject, which is a good reference from a general SQL perspective (it is mentioned in the nested set article link above).
Also, Itzik Ben-Gann has a good overview of the most common options in his book "Inside Microsoft SQL Server 2005: T-SQL Querying".
The ...
What is the difference between exit() and abort()?
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In general, calling longjmp from a signal handler is undefined but there is a special case for when the signal was generated with raise/abort so I guess this would be theoretically possible although I don't think I have ever seen it done. Now I am goin...