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Declaring variables inside loops, good practice or bad practice?
... be mitigated using the -Wshadow warning instruction on GCC)
The compiler knows that the variable scope is limited to inside the loop, and therefore will issue a proper error message if the variable is by mistake referenced elsewhere.
Last but not least, some dedicated optimization can be performed ...
Div height 100% and expands to fit content
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Sorry I don't know what you are talking about.
– user9459537
May 29 '18 at 4:23
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R: Comment out block of code [duplicate]
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In Emacs you can also use M-x comment-region. Didn't know about C-x r, thanks!
– Sacha Epskamp
Feb 2 '12 at 8:11
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Too much data with var_dump in symfony2 doctrine2
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With Symfony 2.6 you can now just use dump($var) in your controller and {{ dump(var) }} in twig.
Make sure to add this to your AppKernal.php file, in the array('dev', 'test') section.
$bundles[] = new Symfony\Bundle\DebugBundle\DebugBundle();
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BACKUP LOG cannot be performed because there is no current database backup
...le] → OK
This was wrong. I shouldn't have first created the database.
Now, instead, I do this:
Right click on Databases > Restore Database > General : Device: [the
path of back up file] → OK
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Passing an array to a function with variable number of args in Swift
...tting is not in the language yet, as confirmed by the devs. Workaround for now is to use an overload or wait if you cannot add overloads.
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How to inflate one view with a layout
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Just tried this now, I needed: View child = getLayoutInflater().inflate(R.layout.child,null);
– James
May 24 '12 at 0:23
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Populate nested array in mongoose
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Amazing - so much cleaner! This is now the modern and correct answer. Documented here.
– isTravis
Jan 31 '16 at 4:00
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How do I PHP-unserialize a jQuery-serialized form?
...sing $('#form').serialize() , I was able to send this over to a PHP page. Now how do I unserialize it in PHP? It was serialized in jQuery.
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Multiply TimeSpan in .NET
...kedeKlerk Agreed, but that is more syntactic sugar. The OP still needs to know the root of the answer so that it can be applied inside any method, extension or not
– Justin Pihony
Apr 11 '13 at 15:38
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