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How to determine if a type implements an interface with C# reflection

....GetInterfaces().Contains(typeof(IMyInterface)) For a generic interface, it’s a bit different. typeof(MyType).GetInterfaces().Any(i => i.IsGenericType && i.GetGenericTypeDefinition() == typeof(IMyInterface<>)) ...
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Fatal error: unexpectedly found nil while unwrapping an Optional values [duplicate]

... Almost certainly, your reuse identifier "title" is incorrect. We can see from the UITableView.h method signature of dequeueReusableCellWithIdentifier that the return type is an Implicitly Unwrapped Optional: func dequeueReusableCellWithIdentifier(identifier: String...
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Font size in CSS - % or em?

... List Apart. Their conclusion: Sizing text and line-height in ems, with a percentage specified on the body (and an optional caveat for Safari 2), was shown to provide accurate, resizable text across all browsers in common use today. This is a technique you can put in your kit bag ...
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Work on a remote project with Eclipse via SSH

... Try the Remote System Explorer (RSE). It's a set of plug-ins to do exactly what you want. RSE may already be included in your current Eclipse installation. To check in Eclipse Indigo go to Window > Open Perspective > Other... and choose Remote System Expl...
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Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)

...: Chrome: Stand-alone installers can be downloaded from File Hippo. It is also possible to run multiple Chrome versions side-by-side. Although Sandboxie can be used, it's recommended to use the next native method in order to run multiple versions side-by-side. Download the ...
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Why does git-rebase give me merge conflicts when all I'm doing is squashing commits?

We have a Git repository with over 400 commits, the first couple dozen of which were a lot of trial-and-error. We want to clean up these commits by squashing many down into a single commit. Naturally, git-rebase seems the way to go. My problem is that it ends up with merge conflicts, and these confl...
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How to convert a currency string to a double with jQuery or Javascript?

I have a text box that will have a currency string in it that I then need to convert that string to a double to perform some operations on it. ...
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Could not load file or assembly 'System.Net.Http.Formatting' or one of its dependencies. The system

...hese steps: Go to the packages folder in the Windows Explorer and delete it. Open Visual Studio and Go to Tools > Library Package Manager > Package Manager Settings and under the Package Manager item on the left hand side there is a "Clear Package Cache" button. Click this button and make su...
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Get MD5 hash of big files in Python

I have used hashlib (which replaces md5 in Python 2.6/3.0) and it worked fine if I opened a file and put its content in hashlib.md5() function. ...
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Android Facebook integration with invalid key hash

...nly. I don't know the reason. I have also got the same problem. So I tried it through programmatically. Follow these steps: Paste the following code in oncreate(). try { PackageInfo info = getPackageManager().getPackageInfo( "com.example.packagename", ...