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Iterate through options

...tion() { alert(this.text + ' ' + this.value); }); http://api.jquery.com/each/ http://jsfiddle.net/Rx3AP/ share | improve this answer | follow | ...
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Keep file in a Git repo, but don't track changes

... First change the file you do not want to be tracked and use the following command: git update-index --assume-unchanged FILE_NAME and if you want to track the changes again use this command: git update-index --no-assume-unchanged FILE_NAME git-update-index documentation ...
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Comparing object properties in c# [closed]

This is what I've come up with as a method on a class inherited by many of my other classes. The idea is that it allows the simple comparison between properties of Objects of the same Type. ...
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R script line numbers at error?

If I am running a long R script from the command line (R --slave script.R), how can I get it to give line numbers at errors? ...
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How many String objects will be created when using a plus sign?

...result = one + two + "34"; Console.Out.WriteLine(result); } then the compiler seems to emit the code using String.Concat as @Joachim answered (+1 to him btw). If you define them as constants, e.g.: const String one = "1"; const String two = "2"; const String result = one + two + "34"; or a...
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How to move all files including hidden files into parent directory via *

... You can find a comprehensive set of solutions on this in UNIX & Linux's answer to How do you move all files (including hidden) from one directory to another?. It shows solutions in Bash, zsh, ksh93, standard (POSIX) sh, etc. You can ...
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Rails 3: “field-with-errors” wrapper changes the page appearance. How to avoid this?

... you can do in field_error_proc, checke out this awesome gist: gist.github.com/1464315 – Ryan Sandridge Jun 26 '12 at 19:09 2 ...
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Finding index of character in Swift String

...ersome but using a wrapper to index by integers (see https://stackoverflow.com/a/25152652/669586) is dangerous because it hides the inefficiency of real indexing. Note that Swift indexing implementation has the problem that indices/ranges created for one string cannot be reliably used for a differe...
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What does “&” at the end of a linux command mean?

... The & makes the command run in the background. From man bash: If a command is terminated by the control operator &, the shell executes the command in the background in a subshell. The shell does not wait for the command to fini...
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Oracle TNS names not showing when adding new connection to SQL Developer

...RE\ORACLE\ORACLE_HOME To see which one SQL Developer is using, issue the command show tns in the worksheet If your tnsnames.ora file is not getting recognized, use the following procedure: Define an environmental variable called TNS_ADMIN to point to the folder that contains your tnsnames.ora f...