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Why are unnamed namespaces used and what are their benefits?
I just joined a new C++ software project and I'm trying to understand the design. The project makes frequent use of unnamed namespaces. For example, something like this may occur in a class definition file:
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How to determine the version of the C++ standard used by the compiler?
How do you determine what version of the C++ standard is implemented by your compiler? As far as I know, below are the standards I've known:
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how to make svn diff show only non-whitespace line changes between two revisions
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You can use an alternate diff command using the --diff-cmd argument for svn diff. diff is a good utility that has plenty of features for ignoring whitespace.
For example:
svn diff --diff-cmd /usr/bin/diff -x "-w"
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How to hide the keyboard when I press return key in a UITextField?
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adding <UITextFieldDelegate> in .h file and set delegate in viewdidload [yourTextField setDelegate:self]; will complete it!
– Umit Kaya
Jul 16 '15 at 5:35
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grep exclude multiple strings
I am trying to see a log file using tail -f and want to exclude all lines containing the following strings:
7 Answers
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Rails how to run rake task
... answered Apr 12 '11 at 21:24
Andrew MarshallAndrew Marshall
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How to disable all div content
...: "This will only disallow mouse events, but the control is still enabled" and "you can still navigate by keyboard". You Could add this code to your script and inputs can't be reached in other ways like keyboard tab. You could change this code to fit your needs.
$([Parent Container]).find('input').e...
remove all variables except functions
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You can use the following command to clear out ALL variables. Be careful because it you cannot get your variables back.
rm(list=ls(all=TRUE))
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Docker EXPOSE a port only to Host
Is docker capable of exposing a port only to the host and not to the outside.
1 Answer
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How to clear jQuery validation error messages?
...rap3 is true, must implement a manual resetting jumping into the inspector and figuring out what classes are applying on errors
– Nestor Colt
Jan 18 '18 at 14:23
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