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Install Gem from Github Branch?

...tem. After Bundler 2.0, you can get around the above issue with this statement near the top of the Gemfile: git_source(:github) { |repo| "https://github.com/#{repo}.git" } share | improve this an...
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iOS 7: UITableView shows under status bar

...y application is a UITableViewController without a navigation bar, which means that the content flows under the status bar so there's a lot of text collisions. I've adjusted both the properties for Under top bars and Adjust scroll view insets which do actually stop it from scrolling under, but...
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Switch statement: must default be the last case?

Consider the following switch statement: 10 Answers 10 ...
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Android: I am unable to have ViewPager WRAP_CONTENT

... Overriding onMeasure of your ViewPager as follows will make it get the height of the biggest child it currently has. @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { int height = 0; for(int i = 0...
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How to prevent browser page caching in Rails

... Its not working for me I have add the same code in application_controller.rb and after logout I am able to see the last page by back button. Please guide me where I am wrong? – Thorin Jan 21 '15 at 13:27 ...
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How do SQL EXISTS statements work?

I'm trying to learn SQL and am having a hard time understanding EXISTS statements. I came across this quote about "exists" and don't understand something: ...
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How can I expand the full path of the current file to pass to a command in Vim?

... @keflavich :help filename-modifiers – Annika Backstrom Jan 25 '12 at 3:38 ...
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Static fields on a null reference in Java

static members ( static fields or static methods) in Java are associated with their respective class rather than the objects of this class. The following code attempts to access a static field on a null reference. ...
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Get value from JToken that may not exist (best practices)

... This is pretty much what the generic method Value() is for. You get exactly the behavior you want if you combine it with nullable value types and the ?? operator: width = jToken.Value<double?>("width") ?? 100; ...
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Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers

... As hinted at by this post Error in chrome: Content-Type is not allowed by Access-Control-Allow-Headers just add the additional header to your web.config like so... <httpProtocol> <customHeaders> <add name="Access-Control-Allow-Origin" valu...