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How do I count unique values inside a list

... 255 +50 In addi...
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How can I log the stdout of a process started by start-stop-daemon?

... 127 To expand on ypocat's answer, since it won't let me comment: start-stop-daemon --start --quiet...
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How to Create Grid/Tile View?

... | edited Feb 17 '16 at 20:13 altocumulus 17.9k1111 gold badges5353 silver badges6969 bronze badges an...
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iPhone 5 CSS media query

... 285 Another useful media feature is device-aspect-ratio. Note that the iPhone 5 does not have a 1...
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How to replace four spaces with a tab in Sublime Text 2?

... 642 Bottom right hand corner on the status bar, click Spaces: N (or Tab Width: N, where N is an inte...
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How to upgrade PowerShell version from 2.0 to 3.0

...m using is Windows 7, and the PowerShell version that is installed here is 2.0. Is it possible for me to upgrade it to version 3.0 or 4.0? ...
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Copy a file in a sane, safe and efficient way

... 265 Copy a file in a sane way: #include <fstream> int main() { std::ifstream src("fro...
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Can CSS detect the number of children an element has?

...ild { */ width: 100%; } /* two items */ li:first-child:nth-last-child(2), li:first-child:nth-last-child(2) ~ li { width: 50%; } /* three items */ li:first-child:nth-last-child(3), li:first-child:nth-last-child(3) ~ li { width: 33.3333%; } /* four items */ li:first-child:nth-last-child...
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Python how to write to a binary file?

...and probably ought to, as it signals your intention better). But in Python 2.x, that won't work, because bytes is just an alias for str. As usual, showing with the interactive interpreter is easier than explaining with text, so let me just do that. Python 3.x: >>> bytearray(newFileBytes) ...
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What is the best way to determine the number of days in a month with JavaScript?

... 201 function daysInMonth (month, year) { // Use 1 for January, 2 for February, etc. return ...