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Facebook Android Generate Key Hash

...d) and paste into JDK bin Folder in my case (C:\Program Files\Java\jdk1.6.0_05\bin) 5) Open command prompt and give the path of JDK Bin folder in my case (C:\Program Files\Java\jdk1.6.0_05\bin). 6) Copy the following code and hit enter keytool -exportcert -alias androiddebugkey -keystore debug...
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Label encoding across multiple columns in scikit-learn

... You can easily do this though, df.apply(LabelEncoder().fit_transform) EDIT2: In scikit-learn 0.20, the recommended way is OneHotEncoder().fit_transform(df) as the OneHotEncoder now supports string input. Applying OneHotEncoder only to certain columns is possible with the Colum...
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Read entire file in Scala?

...rt into any file which requires file manipulation: import scala.io.Source._ With this, you can now do: val lines = fromFile("file.txt").getLines I would be wary of reading an entire file into a single String. It's a very bad habit, one which will bite you sooner and harder than you think. Th...
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How do I use WebRequest to access an SSL encrypted site using https?

...ValidationCallback <- Security.RemoteCertificateValidationCallback (fun _ _ _ _ -> true) – David Grenier Jan 10 '12 at 21:25 ...
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What is the official “preferred” way to install pip and virtualenv systemwide?

...here/how do you install setuptools-0.8? Looks like you are just grabbing ez_setup.py for a "lightweight version" of getting pip. I'd do the same but fear that it will break in the near future and I'll get stuck here again (like I always do) – Steven Lu Jul 13 '...
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TypeLoadException says 'no implementation', but it is implemented

...ic class Foo : IFoo { public void DoFoo() { Console.WriteLine("This is _not_ the interface method."); } void IFoo.DoFoo() { Console.WriteLine("This _is_ the interface method."); } } Foo foo = new Foo(); foo.DoFoo(); // This calls the non-interface method IFoo foo2 = foo; foo2....
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How to change the Push and Pop animations in a navigation based app

...tions: { tz.view.frame = f }, completion: {_ in transitionContext.completeTransition(true) }) } func animatePop(using transitionContext: UIViewControllerContextTransitioning) { let fz =...
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Fastest method to replace all instances of a character in a string [duplicate]

... You can use the following: newStr = str.replace(/[^a-z0-9]/gi, '_'); or newStr = str.replace(/[^a-zA-Z0-9]/g, '_'); This is going to replace all the character that are not letter or numbers to ('_'). Simple change the underscore value for whatever you want to replace it. ...
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JavaScript naming conventions [closed]

... I see Crockford's guildelines mentions "Do not use _ underbar as the first or last character of a name. It is sometimes intended to indicate privacy". I personally use underbar to indicate private members. Is this bad practice? Is there an alternative? –...
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Longest line in a file

... awk '{print length, $0}' Input_file |sort -nr|head -1 For reference : Finding the longest line in a file share | improve this answer | ...