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Bash command to sum a column of numbers [duplicate]
...mn of numbers. I just want a quick one liner that will do something essentially like this:
10 Answers
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Why should I not wrap every block in “try”-“catch”?
...f a method can throw an exception then it is reckless not to protect this call with a meaningful try block.
16 Answers
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rsync error: failed to set times on “/foo/bar”: Operation not permitted
...rom rsync and the initial things I'm finding from web searches (as well as all the usual chmod'ing) are not solving it:
9 A...
How can I get enum possible values in a MySQL database?
...want to populate my dropdowns with enum possible values from a DB automatically. Is this possible in MySQL?
24 Answers
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Tab key == 4 spaces and auto-indent after curly braces in Vim
...verting spaces to tabs, bad!), makes the tab key == 4 spaces, and automatically indent code after curly brace blocks like Emacs does?
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How to force child div to be 100% of parent div's height without specifying parent's height?
... a look at Equal Height Columns with Cross-Browser CSS and No Hacks.
Basically, doing this with CSS in a browser compatible way is not trivial (but trivial with tables) so find yourself an appropriate pre-packaged solution.
Also, the answer varies on whether you want 100% height or equal height. U...
Is it possible to have different Git configuration for different projects?
.gitconfig is usually stored in the user.home directory.
12 Answers
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http HEAD vs GET performance
... would focus on designing the ideal REST interface. A clean REST API is usually more valuable in the long run than a kludgey API that may or may not be faster. I'm not discouraging the use of HEAD, just suggesting that you only use it if it's the "right" design.
If the information you need really i...
Can I replace groups in Java regex?
I have this code, and I want to know, if I can replace only groups (not all pattern) in Java regex.
Code:
7 Answers
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Flatten an irregular list of lists
...een covered before ( here , here , here , here ), but as far as I know, all solutions, except for one, fail on a list like this:
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