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How can I get the current user's username in Bash?

... On the command line, enter whoami or echo "$USER" To save these values to a variable, do myvariable=$(whoami) or myvariable=$USER Of course, you don't need to make a variable since that is what the $USER variable is for. ...
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C++ Best way to get integer division and remainder

I am just wondering, if I want to divide a by b, and am interested both in the result c and the remainder (e.g. say I have number of seconds and want to split that into minutes and seconds), what is the best way to go about it? ...
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$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions

I am trying to setup my machine with pecl_http and memcache and in both cases, I get similar errors. This is on MAC OS X 10.7.3 (lion) and I also have XCODE installed on it. I also installed Zend Server community edition before running these commands and have CFLAGS='-arch i386 -arch x86_64' environ...
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Can I restore deleted files (undo a `git clean -fdx`)?

I was following the instructions on making github pages , and forgot to move down into my git sub directory. As a result, I just nuked an entire directory of documents with git clean -fdx . Is there any way I can undo this terrible mistake? ...
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How to get URL parameter using jQuery or plain JavaScript?

I have seen lots of jQuery examples where parameter size and name are unknown. 33 Answers ...
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How do I view events fired on an element in Chrome DevTools?

...fired when I interact with it because I am trying to find out which event handler to use. 5 Answers ...
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How to calculate the running time of my program? [duplicate]

I wrote a program and now I want to calculate the total running time of my program from start to end. 6 Answers ...
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How to revert a Git Submodule pointer to the commit stored in the containing repository?

I have a git submodule in my main git repo. As I understand it, the main repo stores a SHA value (somewhere...), pointing to the specific commit of the submodule that it is "linked to". ...
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What's the difference between JPA and Hibernate? [closed]

I understand that JPA 2 is a specification and Hibernate is a tool for ORM. Also, I understand that Hibernate has more features than JPA 2. But from a practical point of view, what really is the difference? ...
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lock(new object()) — Cargo cult or some crazy “language special case”?

I'm reviewing some code written by a consultant, and while dozens of red flags have already popped up, I can't wrap my head around the following snippet: ...