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Does JavaScript have a built in stringbuilder class?

... I just rechecked the performance on http://jsperf.com/javascript-concat-vs-join/2. The test-cases concatenate or join the alphabet 1,000 times. In current browsers (FF, Opera, IE11, Chrome), "concat" is about 4-10 times faster than "join". In IE8, both return about equal results. ...
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nginx error connect to php5-fpm.sock failed (13: Permission denied)

...t_type; fastcgi_param CONTENT_LENGTH $content_length; fastcgi_param SCRIPT_NAME $fastcgi_script_name; fastcgi_param REQUEST_URI $request_uri; fastcgi_param DOCUMENT_URI $document_uri; fastcgi_param DOCUMENT_ROOT $document_root; fastcgi_param SCRIPT_FILENAME $do...
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what is faster: in_array or isset? [closed]

...affect runtime performance, you can check out the compiled version of your script: echo isset($arr[123]) compiled vars: !0 = $arr line # * op fetch ext return operands ----------------------------------------------------------------------------- 1 0 &...
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PowerShell script not accepting $ (dollar) sign

I am trying to open an SQL data connection using a PowerShell script and my password contains a $ sign: 1 Answer ...
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How to use timeit module

...) y = range(100) and times sum(x) min(y) If you want to have longer scripts you might be tempted to move to timeit inside a Python script. I suggest avoiding that because the analysis and timing is simply better on the command line. Instead, I tend to make shell scripts: SETUP=" ... # lot...
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Non greedy (reluctant) regex matching in sed?

...y smokes I can't believe that worked :-) Only thing that sucks is now my script has a Perl dependency :-( On the plus side, virtually every Linux distro has Perl already so probably not an issue :-) – Freedom_Ben Sep 20 '14 at 16:15 ...
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Print a list of all installed node.js modules

In a node.js script that I'm working on, I want to print all node.js modules (installed using npm) to the command line. How can I do this? ...
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How to tell Eclipse Workspace?

...f all the solutions, this seems the least painful one - no modded start up script, no menu checks, etc. Then again it should be simple to write a small plugin to tweak the window title to show the workspace folder name unless it is set in the above mentioned preference. Fortunately, my workspaces ar...
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How to globally replace a forward slash in a JavaScript string?

How to globally replace a forward slash in a JavaScript string? 10 Answers 10 ...
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How to convert decimal to hexadecimal in JavaScript

How do you convert decimal values to their hexadecimal equivalent in JavaScript? 27 Answers ...