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MySQL: @variable vs. variable. What's the difference?
...2 @var2
--- ---
2 2
CALL prc_test();
var2 @var2
--- ---
2 3
CALL prc_test();
var2 @var2
--- ---
2 4
As you can see, var2 (procedure variable) is reinitialized each time the procedure is called, while @var2 (session-specific variable) is not.
(In addition to user-defined v...
How to pass object with NSNotificationCenter
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236
You'll have to use the "userInfo" variant and pass a NSDictionary object that contains the mess...
jQuery - get a list of values of an attribute from elements of a class
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KobiKobi
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How can I recover the return value of a function passed to multiprocessing.Process?
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radtek
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answered May 2 '12 at 13:55
vartecvartec
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AngularJS toggle class using ng-class
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436
How to use conditional in ng-class:
Solution 1:
<i ng-class="{'icon-autoscroll': autoScro...
How do I get the localhost name in PowerShell?
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answered Jul 23 '09 at 6:11
StrelokStrelok
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Matplotlib Legends not working
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edited May 23 '17 at 11:54
Community♦
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answered Aug 16 '12 at 8:12
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How to Test Facebook Connect Locally
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236
It's simple enough when you find out.
Open /etc/hosts (unix) or C:\WINDOWS\system32\drivers\et...
What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
... worst pseudo-operator ever.
Edit: This does appear to be conformant. §8.3.5/3 describes one way to form the parameter list as
parameter-declaration-listopt ...opt
So the double-ellipsis is formed by a parameter-declaration-list ending with a parameter pack, followed by another ellipsis.
Th...
How do I make many-to-many field optional in Django?
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368
If you want to be able to specify ManyToMany relation without making it required just use blan...