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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)...
How can I get Docker Linux container information from within the container itself?
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14 Answers
14
Active
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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 best way to unit test Objective-C code?
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edited Jul 15 '16 at 7:40
answered Aug 28 '08 at 19:52
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Convert line-endings for whole directory tree (Git)
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274
dos2unix does that for you. Fairly straight forward process.
dos2unix filename
Thanks to toolb...
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...