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Git - How to close commit editor?

I'm new to git and learning from a PDF. I just executed a command $ git commit and it opens a new editor. But I'm trying to close that new commit editor. How to do this? I'm using git on windows. ...
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How can I join elements of an array in Bash?

...a #a The code above is based on the ideas by @gniourf_gniourf, @AdamKatz, and @MattCowell. Alternatively, a simpler function that supports only single character delimiter, would be: function join_by { local IFS="$1"; shift; echo "$*"; } For example, join_by , a "b c" d #a,b c,d join_by / var local...
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How do you sort an array on multiple columns?

...[A, 5], [A, 10], [J, 5], [J, 15]]. It sorts by the first attribute first, and if those are the same, then it sorts by the second attribute. So in your example, A would come before J. In the case where A is the same for two elements, then it would use the second attribute. So For [A,10], [A,5], 5 ...
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How do Python functions handle the types of the parameters that you pass in?

...tely use an object of a type "as if" it was an object of a different type, and all elementary operations on the object are delegated to its type. This has nothing to do with names. A name in Python doesn't "have a type": if and when a name's defined, the name refers to an object, and the object do...
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Difference between app.use and app.get in express.js

I'm kind of new to express and node.js, and I can't figure out the difference between app.use and app.get. It seems like you can use both of them to send information. For example: ...
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Each for object? [duplicate]

... A javascript Object does not have a standard .each function. jQuery provides a function. See http://api.jquery.com/jQuery.each/ The below should work $.each(object, function(index, value) { console.log(value); }); Another option would be to use vanilla Ja...
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Tools for making latex tables in R [closed]

...n R. In this post I'll give an overview of the most commonly used packages and blogs with code for producing latex tables from less straight-forward objects. Please feel free to add any I missed, and/or give tips, hints and little tricks on how to produce nicely formatted latex tables with R. ...
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Difference between jQTouch and jQuery mobile

... jQuery Mobile is looking to support all mobile devices; that is my understanding some good info here http://jquerymobile.com/strategy/ and here http://news.ycombinator.com/item?id=1602169 share | ...
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Make a DIV fill an entire table cell

I've seen this question and googled a bit , but nothing so far has worked. I figure it's 2010 now (those questions/answers are old and, well, unanswered) and we have CSS3! Is there any way to get a div to fill an entire table cell's width and height using CSS? ...
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What is the purpose of Node.js module.exports and how do you use it?

What is the purpose of Node.js module.exports and how do you use it? 12 Answers 12 ...