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Remove whitespaces inside a string in javascript

... For space-character removal use "hello world".replace(/\s/g, ""); for all white space use the suggestion by Rocket in the comments below! share | improve this answer | f...
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How does database indexing work? [closed]

... pointer to the record it relates to. This index structure is then sorted, allowing Binary Searches to be performed on it. The downside to indexing is that these indices require additional space on the disk since the indices are stored together in a table using the MyISAM engine, this file can quic...
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Uninstall old versions of Ruby gems

... # remove all old versions of the gem gem cleanup rjb # choose which ones you want to remove gem uninstall rjb # remove version 1.1.9 only gem uninstall rjb --version 1.1.9 # remove all versions less than 1.3.4 gem uninstall rjb --v...
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Homebrew install specific version of formula?

How do I install a specific version of a formula in homebrew? For example, postgresql-8.4.4 instead of the latest 9.0. 27 ...
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How can I unit test Arduino code?

I'd like to be able to unit test my Arduino code. Ideally, I would be able to run any tests without having to upload the code to the Arduino. What tools or libraries can help me with this? ...
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在 App Inventor 2 中使用图像 · App Inventor 2 中文网

...crashes[a] when they try to run it, with an error message like: Failed to allocate a 25165836 byte allocation with 3395432 free bytes and 3MB until OOM What’s happening here is that the app is is running out of memory (OOM). In the case of the message above, the phone is trying to allocate 25 m...
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Is there a naming convention for Django apps

...-app" would be a syntax error). PEP 8 says: Modules should have short, all-lowercase names. Underscores can be used in the module name if it improves readability. Python packages should also have short, all-lowercase names, although the use of underscores is discouraged. So, 1 and 3 ar...
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ASP.NET MVC Controller Naming Pluralization

...orks use plurals, however the MVC project templates contains a controller called AccountController thus suggesting singlular naming. It doesn't matter. As with most things in the Asp.net MVC framework the choice is yours. There is no real conventions. It's my personal opinion but what matters is t...
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Deploying my application at the root in Tomcat

... @Dejel - Nothing technically. I've done it quite a bit myself; it gets the job done. Just feels a bit wonky to have to rename your own war file to something that's kind of an implementation detail of the container. – Rob Hruska...
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Prevent any form of page refresh using jQuery/Javascript

...system tries real hard to do #2, and the situation described above happens all the time. I usually have to wait until the server-side session expires before I can use the banking system again. share | ...