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Ruby's ||= (or equals) in JavaScript?

...s ||= mechanism. If a variable doesn't exist or is nil , then create it and set it equal to something: 6 Answers ...
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How to check if two arrays are equal with JavaScript? [duplicate]

... @VarunMadiath the last loop goes through every element and compares them. If the arrays are not sorted then it will fail if the order of the items is not exactly the same. – enyo Sep 23 '13 at 15:17 ...
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Are static class variables possible in Python?

...t;>> MyClass.i, m.i >>> (3, 4) This is different from C++ and Java, but not so different from C#, where a static member can't be accessed using a reference to an instance. See what the Python tutorial has to say on the subject of classes and class objects. @Steve Johnson has alrea...
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Can you Run Xcode in Linux?

...Xcode (the gcc compiler family, the gdb debugger, etc.) is all open source and common to Unix and Linux platforms. But the IDE--the editor, project management, indexing, navigation, build system, graphical debugger, visual data modeling, SCM system, refactoring, project snapshots, etc.--is a Mac OS...
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Why am I getting a “401 Unauthorized” error in Maven?

...f you supply the wrong credentials (password etc). You also get an error (and off the top of my head is also a 401) if you try to publish something to a releases repository and that version already exists in the repository. So you might find that by publishing from the command line it works, but t...
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What is the best way to repeatedly execute a function every x seconds?

...er (just like an NSTimer in Objective C). This code will run as a daemon and is effectively like calling the python script every minute using a cron, but without requiring that to be set up by the user. ...
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C default arguments

... Not really. The only way would be to write a varargs function and manually fill in default values for arguments which the caller doesn't pass. share | improve this answer | ...
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Left align two graph edges (ggplot)

I'm using ggplot and have two graphs that I want to display on top of each other. I used grid.arrange from gridExtra to stack them. The problem is I want the left edges of the graphs to align as well as the right edges regardless of axis labels. (the problem arises because the labels of one gra...
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What is the string concatenation operator in Oracle?

...swered Nov 10 '08 at 15:45 Tony AndrewsTony Andrews 119k1919 gold badges207207 silver badges246246 bronze badges ...
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CSS Div stretch 100% page height

I have a navigation bar on the left hand side of my page, and I want it to stretch to 100% of the page height. Not just the height of the viewport, but including the areas hidden until you scroll. I don't want to use javascript to accomplish this. ...