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How to unstage large number of files without deleting the content

I accidentally added a lot of temporary files using git add -A 9 Answers 9 ...
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Using str_replace so that it only acts on the first match?

... There's no version of it, but the solution isn't hacky at all. $pos = strpos($haystack, $needle); if ($pos !== false) { $newstring = substr_replace($haystack, $replace, $pos, strlen($needle)); } Pretty easy, and saves the performance penalty of regular expressions. Bonus: If...
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When is it better to use String.Format vs string concatenation?

I've got a small piece of code that is parsing an index value to determine a cell input into Excel. It's got me thinking... ...
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Regex for numbers only

I haven't used regular expressions at all, so I'm having difficulty troubleshooting. I want the regex to match only when the contained string is all numbers; but with the two examples below it is matching a string that contains all numbers plus an equals sign like "1234=4321". I'm sure there's a way...
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How do I use su to execute the rest of the bash script as that user?

...o use "sudo" command instead of "su" You may need to add this username1 ALL=(username2) NOPASSWD: /path/to/svn to your /etc/sudoers file and change your script to: sudo -u username2 -H sh -c "cd /home/$USERNAME/$PROJECT; svn update" Where username2 is the user you want to run the SVN comma...
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How to use shell commands in Makefile

... With: FILES = $(shell ls) indented underneath all like that, it's a build command. So this expands $(shell ls), then tries to run the command FILES .... If FILES is supposed to be a make variable, these variables need to be assigned outside the recipe portion, e.g.: F...
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Get the Row(s) which have the max count in groups using groupby

How do I find all rows in a pandas dataframe which have the max value for count column, after grouping by ['Sp','Mt'] columns? ...
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What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?

...ajority of use cases, but it should be noted that :map, etc. don't work in all modes, exactly, just all the common ones (specifically, normal mode, visual mode, select mode, and operator-pending mode). If you want a mapping to work in insert, command-line, or lang-arg mode, you need to use :map!, et...
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Why is it impossible to build a compiler that can determine if a C++ function will change the value

... @mrsoltys, quantum computers are "only" exponentially faster for some problems, they can not solve undecidable problems. – zch Jul 1 '13 at 18:52 8 ...
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Set default syntax to different filetype in Sublime Text 2

... default filetype for a certain file extension in Sublime Text 2? Specifically I want to have *.cfg files default to having Ini syntax highlighting but I cannot seem to figure out how I could create this custom setting. ...