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How do I rename an open file in Emacs?
...e a way to rename an open file in Emacs? While I'm viewing it? Something like save-as, but the original one should go away.
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How do you use vim's quickfix feature?
...t for me). I just installed this vim script for JavaScriptLint error checking, which shows errors in vim's quickfix window once I save a buffer.
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Using regular expressions to parse HTML: why not?
It seems like every question on stackoverflow where the asker is using regex to grab some information from HTML will inevitably have an "answer" that says not to use regex to parse HTML.
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Deleting lines from one file which are in another file
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grep -v -x -f f2 f1 should do the trick.
Explanation:
-v to select non-matching lines
-x to match whole lines only
-f f2 to get patterns from f2
One can instead use grep -F or fgrep to match fixed strings from f2 rather than patterns (in case you want remove...
Convert seconds to Hour:Minute:Second
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animuson♦animuson
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jQuery count child elements
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You can use .length with just a descendant selector, like this:
var count = $("#selected li").length;
If you have to use .children(), then it's like this:
var count = $("#selected ul").children().length;
You can test both versions here.
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Properties vs Methods
Quick question: When do you decide to use properties (in C#) and when do you decide to use methods?
16 Answers
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Proper way to use **kwargs in Python
What is the proper way to use **kwargs in Python when it comes to default values?
14 Answers
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How to express a NOT IN query with ActiveRecord/Rails?
...s since it seems a lot of people come to this, if you are using Rails 4 look at the answers by Trung Lê` and VinniVidiVicci.
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Given a number, find the next higher number which has the exact same set of digits as the original n
...made pretty much zero progress on my interview question. Can anyone let me know how to do this? I tried searching online but couldn't find anything:
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