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How do I best silence a warning about unused variables?
...e.
– Tobias Langner
Sep 29 '09 at 9:41
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This is how Q_UNUSED is implemented in principle.
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Appending a line to a file only if it does not already exist
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edited Aug 7 '19 at 6:41
anatoly techtonik
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Edit line thickness of CSS 'underline' attribute
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94
Here is one way of achieving this :
HTML :
<h4>This is a heading</h4>
<h4>...
In PHP, can you instantiate an object and call a method on the same line?
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The feature you have asked for is available from PHP 5.4. Here is the list of new features in PHP 5.4:
http://php.net/manual/en/migration54.new-features.php
And the relevant part from the new features list:
Class member access on instantiation has been added, e.g. (new Foo)...
possible EventEmitter memory leak detected
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edited May 15 at 9:34
mikemaccana
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answ...
Why use apparently meaningless do-while and if-else statements in macros?
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843
The do ... while and if ... else are there to make it so that a
semicolon after your macro alwa...
What is the difference between sed and awk? [closed]
... are in the form "minus-sign followed by a sequence of digits" (e.g. "-231.45") with the "accountant's brackets" form (e.g. "(231.45)") using this (which has room for improvement):
sed 's/-\([0-9.]\+\)/(\1)/g' inputfile
I would use awk when the text looks more like rows and columns or, as awk ref...
Why do I get “'property cannot be assigned” when sending an SMTP email?
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That's because it's a collection. You can just call add to it
– Oskar Kjellin
Feb 8 '12 at 21:03
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Does Haskell require a garbage collector?
...nt, and reported that their test programs ran "between 10 times faster and 4 times slower" than pure garbage-collected versions.
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File system that uses tags rather than folders?
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34
What you are asking for is a Database File System. I know of one experimental implementation for...