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How can I join elements of an array in Bash?

... +1. What about printf -v bar ",%s" "${foo[@]}". It is one fork less (actually clone). It is even forking reading a file: printf -v bar ",%s" $(<infile). – TrueY Jun 8 '13 at 22:55 ...
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How to open a new tab using Selenium WebDriver?

...ow. Obviously, you'd need to keep track of the window name(s) as normal to allow switching between them. – Mark Rowlands Jul 16 '13 at 15:42 1 ...
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receiving error: 'Error: SSL Error: SELF_SIGNED_CERT_IN_CHAIN' while using npm

... on ubuntu - I am receiving the error copied below while attempting to install any new modules via npm (I tested socket.io earlier using http, not https though & am wondering if that could have resulted in the issue with npm/unsigned certs). The error pops up once npm tries to resolve the ' https:/...
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How can I initialize base class member variables in derived class constructor?

...ince it would destroy encapsulation. Instead, create a constructor in A to allow B (or any subclass of A) to initialize them: class A { protected: A(int a, int b) : a(a), b(b) {} // Accessible to derived classes // Change "protected" to "public" to allow others to instantiate A. private: ...
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How to get a JavaScript object's class?

... ES5 has aditionally Object.getPrototypeOf() – Christoph Aug 8 '09 at 18:52 29 ...
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Are nested try/except blocks in python a good programming practice?

... return object.__getattribute__(item) is incorrect and will produce a TypeError because the wrong number of arguments are being passed. It should instead be return object.__getattribute__(self, item). – martineau Jun 20 '14 at 1:05 ...
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Django Setup Default Logging

...can't seem to figure out how to setup a "default" logger for my Django installation. I would like to use Django 1.3's new LOGGING setting in settings.py . ...
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Pros and cons of using sbt vs maven in Scala project [closed]

...ect. Otherwise, just use SBT. You get access to the same dependencies (really the best part about maven, IMHO). You also get the incremental compilation, which is huge. The ability to start up a shell inside of your project, which is also great. ScalaMock only works with SBT, and you're proba...
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How to call Stored Procedure in Entity Framework 6 (Code-First)?

... You can call a stored procedure in your DbContext class as follows. this.Database.SqlQuery<YourEntityType>("storedProcedureName",params); But if your stored procedure returns multiple result sets as your sample code, then you...
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The simplest way to resize an UIImage?

...e of the resizing options. Or you can use this utility method, if you actually need to resize an image: + (UIImage *)imageWithImage:(UIImage *)image scaledToSize:(CGSize)newSize { //UIGraphicsBeginImageContext(newSize); // In next line, pass 0.0 to use the current device's pixel scaling fa...