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HTML5 dragleave fired when hovering a child element
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350
You just need to keep a reference counter, increment it when you get a dragenter, decrement when...
Does C# have extension properties?
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403
For the moment it is still not supported out of the box by Roslyn compiler ...
Until now, the ...
How does Python manage int and long?
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edited Oct 31 '19 at 7:08
Cristian Ciupitu
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an...
How to get the last value of an ArrayList
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20 Answers
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Active
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Check if PHP session has already started
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Recommended way for versions of PHP >= 5.4.0 , PHP 7
if (session_status() == PHP_SESSION_NONE) {
session_start();
}
Reference: http://www.php.net/manual/en/function.session-status.php
For versions of PHP < 5.4.0
if(session_id() == '') {
session_start()...
How to get Vim to highlight non-ascii characters?
...lsearch enabled) all other characters lying outside the ASCII range:
/[^\x00-\x7F]
This will do a negative match (via [^]) for characters between ASCII 0x00 and ASCII 0x7F (0-127), and appears to work in my simple test. For extended ASCII, of course, extend the range up to \xFF instead of \x7F us...
Select unique or distinct values from a list in UNIX shell script
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Mar 6 '09 at 10:34
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How can I get Maven to stop attempting to check for updates for artifacts from a certain group from
I'm working on a fairly big Maven project. We have probably around 70 or so individual artifacts, which are roughly split into two libraries of shared code and maybe ten applications which use them. All of these items live in the namespace com.mycompany.* .
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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
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edited Mar 15 '14 at 8:02
herohuyongtao
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a...