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Installing Ruby Gem in Windows

... I recommend you just use rubyinstaller It is recommended by the official Ruby page - see https://www.ruby-lang.org/en/downloads/ Ways of Installing Ruby We have several tools on each major platform to install Ruby: ...
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How can I benchmark JavaScript code? [closed]

...ch function. One iteration probably won't be enough, but (depending on how complex your functions are) somewhere closer to 100 or even 1,000 iterations should do the job. Firebug also has a profiler if you want to see which parts of your function are slowing it down. Edit: To future readers, the b...
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Why return NotImplemented instead of raising NotImplementedError

... It's because __lt__() and related comparison methods are quite commonly used indirectly in list sorts and such. Sometimes the algorithm will choose to try another way or pick a default winner. Raising an exception would break out of the sort unless caught, wh...
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Switching a DIV background image with jQuery

I am making an expand/collapse call rates table for the company I work for. I currently have a table with a button under it to expand it, the button says "Expand". It is functional except I need the button to change to "Collapse" when it is clicked and then of course back to "Expand" when it is clic...
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How can I test a Windows DLL file to determine if it is 32 bit or 64 bit? [duplicate]

... This information should be at a fixed offset in the file, but I'd still recommend traversing the file and checking the signature of the MS-DOS header and the IMAGE_NT_HEADERS to be sure you cope with any future changes. Use ImageHelp to read the headers... You can also use the ImageHelp API to d...
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how to pass an integer as ConverterParameter?

... allows you to specify. Not exactly sure whether this is really used by at compile-time or run-time at all. In terms of the original posters question he specified that "i need it to be an integer. of course i can parse the string, but do i have to?" So my answer alleviates that in that there is no p...
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Clean way to launch the web browser from shell script?

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Can't use NVM from root (or sudo)

... The below list of commands (source: digitalocean) seems to fix the problem n=$(which node); \ n=${n%/bin/node}; \ chmod -R 755 $n/bin/*; \ sudo cp -r $n/{bin,lib,share} /usr/local The above command is a bit complicated, but all it's doing i...
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Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?

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Eclipse: Java, see where class is used

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