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How do I exit the Vim editor?

...:quit!) :wq to write and quit :wq! to write and quit even if file has only read permission (if file does not have write permission: force write) :x to write and quit (similar to :wq, but only write if there are changes) :exit to write and exit (same as :x) :qa to quit all (short for :quitall) :cq t...
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Checking Bash exit status of several commands efficiently

...vidual # command fails. # # Example: # step "Remounting / and /boot as read-write:" # try mount -o remount,rw / # try mount -o remount,rw /boot # next step() { echo -n "$@" STEP_OK=0 [[ -w /tmp ]] && echo $STEP_OK > /tmp/step.$$ } try() { # Check for `-b'...
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Should I put #! (shebang) in Python scripts, and what form should it take?

...ncrete advantage to including it besides taste: it makes clear to a future reader of the file that they're reading an executable script, rather than a file that's meant to be imported. Similarly to public/private access control modifiers in languages that have them, shebangs are useful as documentat...
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PHP json_encode encoding numbers as strings

... Thanks Martin. I'm using 5.2.9. I wonder if the numeric data's getting read from the db as string? I'm sure the field types are int, but I can't think of another explanation. I'll try your quick test on my system and see if I get the same result. – Chris Barnhill ...
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How can I access a JavaScript object which has spaces in the object's key?

...tOptions[ 'character names' ].kid; You can use that notation either way, reading & writting. For more information read out here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_Objects sh...
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GCC -fPIC option

I have read about GCC's Options for Code Generation Conventions , but could not understand what "Generate position-independent code (PIC)" does. Please give an example to explain me what does it mean. ...
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Relation between CommonJS, AMD and RequireJS?

I'm still very confused about CommonJS, AMD and RequireJS , even after reading a lot. 6 Answers ...
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How to use cURL to get jSON data and decode the data?

...is one will answer your question :P $url="https://.../api.php?action=getThreads&hash=123fajwersa&node_id=4&order_by=post_date&order=‌​desc&limit=1&grab_content&content_limit=1"; Using cURL // Initiate curl $ch = curl_init(); // Will return the response, if false ...
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Difference between pre-increment and post-increment in a loop?

...i++); // Prints 0 int j = 0; Console.WriteLine(++j); // Prints 1 i++ reads the value of i then increments it. ++i increments the value of i then reads it. share | improve this answer ...
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Hyphen, underscore, or camelCase as word delimiter in URIs?

... and another begins, so this information is lost. It's also hard for human readers as well. It's better to have some word-level separators than nothing. – Al Sweigart May 28 '15 at 20:46 ...