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Python Dictionary Comprehension

... like. >>> d = {n: n**2 for n in range(5)} >>> print d {0: 0, 1: 1, 2: 4, 3: 9, 4: 16} If you want to set them all to True: >>> d = {n: True for n in range(5)} >>> print d {0: True, 1: True, 2: True, 3: True, 4: True} What you seem to be asking for is a way ...
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Get cursor position (in characters) within a text Input field

...r) position of the specified text field (oField). ** Return value range is 0-oField.value.length. */ function doGetCaretPosition (oField) { // Initialize var iCaretPos = 0; // IE Support if (document.selection) { // Set focus on the element oField.focus(); // To get cursor po...
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How do you delete all text above a certain line

... 508 dgg will delete everything from your current line to the top of the file. d is the deletion ...
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Nodejs send file in response

...ole file into memory before sending the file). The server listens on port 2000. [Update] As mentioned by @Aftershock in the comments, util.pump is gone and was replaced with a method on the Stream prototype called pipe; the code below reflects this. var http = require('http'), fileSystem = req...
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Is it possible in SASS to inherit from a class in another file?

... 180 YES! its possible. If you want all <button> elements to inherit the .btn class from Twitt...
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Return two and more values from a method

... 160 def sumdiff(x, y) return x+y, x-y end #=> nil sumdiff(3, 4) #=> [7, -1] a = sumdiff(3,...
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When should I use malloc in C and when don't I?

... string as read-only. You cannot make changes to it. Example: some_memory[0] = 'h'; Is asking for trouble. On the other hand some_memory = (char *)malloc(size_to_allocate); is allocating a char array ( a variable) and some_memory points to that allocated memory. Now this array is both read a...
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Calculate distance between 2 GPS coordinates

...d South locations are negative. Remember minutes and seconds are out of 60 so S31 30' is -31.50 degrees. Don't forget to convert degrees to radians. Many languages have this function. Or its a simple calculation: radians = degrees * PI / 180. function degreesToRadians(degrees) { return degre...
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How to serialize a lambda?

... answered Apr 2 '14 at 10:09 assyliasassylias 286k6767 gold badges597597 silver badges722722 bronze badges ...
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What is the difference between ndarray and array in numpy?

... edited Sep 27 '18 at 14:40 nbro 10.9k1717 gold badges7676 silver badges140140 bronze badges answered Ap...