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Install Gem from Github Branch?

...file.5.html#GIT Update: There's a github source identifier. gem 'country_select', github: 'stefanpenner/country_select' However, they warn against using it: NOTE: This shorthand should be avoided until Bundler 2.0, since it currently expands to an insecure git:// URL. This allows a man-in-the-mi...
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Rails where condition using NOT NIL

..., so you really should just use the joins predicate: Foo.joins(:bar) Select * from Foo Inner Join Bars ... But, for the record, if you want a "NOT NULL" condition simply use the not predicate: Foo.includes(:bar).where.not(bars: {id: nil}) Select * from Foo Left Outer Join Bars on .. WHERE ...
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iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate]

...etina quality - there's no backward compatibility here :) You could also select this image from within Xcode. Go to the target, and under the Summary section, look for Launch Images. The image has to be 640x1136 pixels in size. Here's a screenshot of where to find it, if that helps. ...
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CSS3 :unchecked pseudo-class

... :unchecked is not defined in the Selectors or CSS UI level 3 specs, nor has it appeared in level 4 of Selectors. In fact, the quote from W3C is taken from the Selectors 4 spec. Since Selectors 4 recommends using :not(:checked), it's safe to assume that ther...
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How can Xml Documentation for Web Api include documentation from beyond the main project?

...c. Add the following method below the constructor: private XPathNavigator SelectSingleNode(string selectExpression) { foreach (var navigator in _documentNavigators) { var propertyNode = navigator.SelectSingleNode(selectExpression); if (propertyNode != null) retur...
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iPhone App Minus App Store?

...w the use of this certificate: Launch Keychain Access.app. With no items selected, from the Keychain menu select Certificate Assistant, then Create a Certificate. Name: iPhone Developer Certificate Type: Code Signing Let me override defaults: Yes Click Continue Validity: 3650 days Click Contin...
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Disable ALL CAPS menu items in Visual Studio 2013

... menus back. First Variant: Since Package Manager Console is Powershell, select menu options TOOLS / Library Package Manager / Package Manager Console and enter and run Set-ItemProperty -Path HKCU:\Software\Microsoft\VisualStudio\12.0\General -Name SuppressUppercaseConversion -Type DWord -Value 1...
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Reverting part of a commit with git

... for reverting whole commits. You can use git checkout -p to interactively select bits to revert. – mipadi Mar 31 '17 at 18:52 1 ...
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LINQ .Any VS .Exists - What's the difference?

... Enumerable.Repeat("ABCDEFGHIJKLMNOPQRSTUVWXYZ", 13) .Select(s => { var cryptoResult = new byte[4]; new RNGCryptoServiceProvider().GetBytes(cryptoResult); return s[new Random(BitConverter.ToInt32(cryp...
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Android studio, gradle and NDK

...K toolchain via Gradle and CMake. Now, when you create a new project, just select C++ support and you're good to go. You'll still need to generate your own JNI layer code, or use the SWIG technique I've mentioned above, but the scaffolding of a C++ in Android project is trivial now. Changes in th...