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Convert Time from one time zone to another in Rails

...ious reply it's suggested to use a before_filter to set the timezone temporally. You should never, ever do that because Time.zone stores the information in the thread, and it will probably leak to the next request handled by that thread. Instead you should use an around_filter to make sure that t...
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“You are on a branch yet to be born” when adding git submodule

... I've verified all of these things. When I check out the desired repo to another directory, it has many files, and a master branch. The repo I am trying to add this one to as a submodule is on the master branch, has no obvious problems (sta...
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Is JavaScript a pass-by-reference or pass-by-value language?

...oduces the output: 10 changed unchanged If obj1 was not a reference at all, then changing obj1.item would have no effect on the obj1 outside of the function. If the argument was a proper reference, then everything would have changed. num would be 100, and obj2.item would read "changed". Instea...
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Tips for a successful AppStore submission? [closed]

...Store. Your bundle identifier, as sascha says, should be unique and is usually your domain backwards. This needs to match the App Id you created in the Developer Portal. The Display Name (CFBundleDisplayName) is how it appears on the home screen. One important thing I found about this is that it c...
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Is jQuery “each()” function synchronous?

... Yes, the jQuery each method is synchronous. Nearly ALL JavaScript is synchronous. The only exceptions are AJAX, timers (setTimeout and setInterval), and HTML5 Web Workers. Your problem is probably somewhere else in your code. ...
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Stashing only staged changes in git - is it possible?

...several unstaged changes. I'd like to be able to stage these files individually, create my .patch files, and stash them away until the code is approved. This way, when it's approved I can stash my entire (current) session, pop that bug and push the code. ...
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Bash script error [: !=: unary operator expected

... Or for what seems like rampant overkill, but is actually simplistic ... Pretty much covers all of your cases, and no empty string or unary concerns. In the case the first arg is '-v', then do your conditional ps -ef, else in all other cases throw the usage. #!/bin/sh case $1...
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Allow CORS REST request to a Express/Node.js application on Heroku

...de on a clean ExpressJS app and it works just fine. Try move your app.use(allowCrossDomain) to the top of configure function. share | improve this answer | follow ...
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Linq: What is the difference between Select and Where

...rable<A> in, IEnumerable<A> out Select returns something for all items in the source (projection / transformation). That something might be the items themselves, but are more usually a projection of some sort. -> IEnumerable<A> in, IEnumerable<B> out ...
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How to revert multiple git commits?

...e git checkout -f A -- . Will not delete these, you will have to do it manually. I applied this strategy now, thanks Jakub – oma Mar 31 '11 at 14:56 18 ...