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Where does 'Hello world' come from?
' hello, world ' is usually the first example for any programming language. I've always wondered where this sentence came from and where was it first used.
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Checking if a string array contains a value, and if so, getting its position
I have this string array:
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Import existing source code to GitHub
How can I import source code from my computer to my GitHub account?
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Inserting string at position x of another string
I have two variables and need to insert string b into string a at the point represented by position . The result I'm looking for is "I want an apple". How can I do this with JavaScript?
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How can jQuery deferred be used?
jQuery 1.5 brings the new Deferred object and the attached methods .when , .Deferred and ._Deferred .
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How to define a two-dimensional array?
I want to define a two-dimensional array without an initialized length like this:
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Is there a way to auto expand objects in Chrome Dev Tools?
EVERY SINGLE TIME I view an object in the console I am going to want to expand it, so it gets tiresome to have to click the arrow to do this EVERY SINGLE TIME :) Is there a shortcut or setting to have this done automatically?
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
After conducting some experiments on square matrices of different sizes, a pattern came up. Invariably, transposing a matrix of size 2^n is slower than transposing one of size 2^n+1 . For small values of n , the difference is not major.
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Change private static final field using Java reflection
I have a class with a private static final field that, unfortunately, I need to change it at run-time.
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How do I make a JAR from a .java file?
I was writing a simple program using a Java application (not application that has projects, but application within a project; .java ) that has a single frame. Both of the files are .java so I can't write a manifest needed by the JAR.
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