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Adding git branch on the Bash command prompt

I tried adding the git branch I'm currently working on (checked-out) on the bash prompt without success.. ( while keeping my current path which shows the active directory/file intact) I have a .bashrc file on my home, but I also saw many people mentioning the .profile file.. ...
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Validate uniqueness of multiple columns

Is there a rails-way way to validate that an actual record is unique and not just a column? For example, a friendship model / table should not be able to have multiple identical records like: ...
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Is there a cross-browser onload event when clicking the back button?

For all major browsers (except IE), the JavaScript onload event doesn’t fire when the page loads as a result of a back button operation — it only fires when the page is first loaded. ...
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Why would $_FILES be empty when uploading files to PHP?

I have WampServer 2 installed on my Windows 7 computer. I'm using Apache 2.2.11 and PHP 5.2.11. When I attempt to upload any file from a form, it seems to upload, but in PHP, the $_FILES array is empty. There is no file in the c:\wamp\tmp folder. I have configured php.ini to allow file uploads...
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@import vs #import - iOS 7

I am playing around with some of the new iOS 7 features and working with some of the Image Effects as discussed in the WWDC video "Implementing Engaging UI on iOS". For producing a blur effect within the source code for the session, UIImage was extended via a category which imports UIKit like so: ...
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Can you “compile” PHP code and upload a binary-ish file, which will just be run by the byte code int

I know that PHP is compiled to byte code before it is run on the server, and then that byte code can be cached so that the whole script doesn't have to be re-interpreted with every web access. ...
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Check if list contains any of another list

I have a list of parameters like this: 3 Answers 3 ...
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postgresql - add boolean column to table set default

Is this proper postgresql syntax to add a column to a table with a default value of false 5 Answers ...
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Can you provide some examples of why it is hard to parse XML and HTML with a regex? [closed]

One mistake I see people making over and over again is trying to parse XML or HTML with a regex. Here are a few of the reasons parsing XML and HTML is hard: ...
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How to create a library project in Android Studio and an application project that uses the library p

I'm new to the gradle build system and IntelliJ. 14 Answers 14 ...