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How to insert an item into an array at a specific index (JavaScript)?

...n this example we will create an array and add an element to it into index 2: var arr = []; arr[0] = "Jani"; arr[1] = "Hege"; arr[2] = "Stale"; arr[3] = "Kai Jim"; arr[4] = "Borge"; console.log(arr.join()); arr.splice(2, 0, "Lene"); console.log(arr.join()); ...
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Simple explanation of MapReduce?

... them back in the same kind of list. suppose I have a list of numbers: [1,2,3] and I want to double every number, in this case, the function to "double every number" is function x = x * 2. And without mappings, I could write a simple loop, say A = [1, 2, 3] foreach (item in A) A[item] = A[item] * ...
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Is MATLAB OOP slow or am I doing something wrong?

... 224 I've been working with OO MATLAB for a while, and ended up looking at similar performance issu...
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Get current AUTO_INCREMENT value for any table

... Harshil Sharma 1,62111 gold badge2020 silver badges4848 bronze badges answered Apr 4 '13 at 20:56 methaimethai ...
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C# difference between == and Equals()

I have a condition in a silverlight application that compares 2 strings, for some reason when I use == it returns false while .Equals() returns true . ...
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Best way to make Java's modulus behave like it should with negative numbers?

... Maarten Bodewes 76.4k1212 gold badges114114 silver badges213213 bronze badges answered Dec 10 '10 at 18:46 Peter LawreyPete...
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How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites

... 25 Answers 25 Active ...
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How do I get a substring of a string in Python?

... 3271 >>> x = "Hello World!" >>> x[2:] 'llo World!' >>> x[:2] 'He' >&g...
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What is the easiest way to push an element to the beginning of the array?

...elf, moving other elements upwards. And in use: irb>> a = [ 0, 1, 2] => [0, 1, 2] irb>> a.unshift('x') => ["x", 0, 1, 2] irb>> a.inspect => "["x", 0, 1, 2]" share | im...
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How to print to console in pytest?

... 226 By default, py.test captures the result of standard out so that it can control how it prints i...