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Can I have multiple Xcode versions installed?

...g to you. Scenario: You might have installed only one version of XCode for now. Mostly the one release behind the latest XCode version which is available through App Store (mine I've Xcode 6.3.2 and I needed to keep it and also install Xcode 7 which is available through App Store). For Ex:- You hav...
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Do login forms need tokens against CSRF attacks?

...e they may not notice they are logged in via the host account The attacker now has access to any data or metadata the victim "created" (intentionally or unintentionally) while their browser was logged in with the host account As a pertinent example, consider YouTube. YouTube allowed users to see a...
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Android 4.3 Bluetooth Low Energy unstable

...e/x1y4tEHDwk0 The issue and work around described below is probably fixed now by OS updates Work around: I could "stabilize" my app doing that... I provide the user a setting "Restart Bluetooth". If that setting is enabled, I restart Bluetooth at some points that indicate the begin of BLE stack...
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What is WCF RIA services?

...lled CustomerContext that has a method GetCustomersByCountryQuery. You can now use this method on the client as if you were calling it on the server. Updates, inserts and deletes follow a different pattern. When you create a domain service, you can indicate whether you want to enable editing. The c...
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How do you increase the max number of concurrent connections in Apache?

...2 process can service only 50 concurrent connections/clients i.e. 25x2=50. Now if more concurrent users comes, then another child process will start, that can service another 25 users. But how many child processes can be started is controlled by ServerLimit parameter, this means that in the configur...
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How to export JavaScript array info to csv (on client side)?

I know there are lot of questions of this nature but I need to do this using JavaScript. I am using Dojo 1.8 and have all the attribute info in array, which looks like this: ...
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calculating the difference in months between two dates

... @Dinah this just an approximation, if you want to know the true .Month and .Years - I've just posted an answer for that which you can read. Although, as far as approximations so, this is a good approximation (props to Adam Robinson) however you should keep in mind that if you...
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In git, is there a simple way of introducing an unrelated branch to a repository?

...tle more high-level than what's in any of the other answers. git checkout now supports the --orphan option. From the man page: git checkout [-q] [-f] [-m] --orphan <new_branch> [<start_point>] Create a new orphan branch, named <new_branch>, started from <start_point&gt...
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Sound effects in JavaScript / HTML5

I'm using HTML5 to program games; the obstacle I've run into now is how to play sound effects. 18 Answers ...
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How to mock a final class with mockito

... Mockito 2 now supports final classes and methods! But for now that's an "incubating" feature. It requires some steps to activate it which are described in What's New in Mockito 2: Mocking of final classes and methods is an incubating,...