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Is there a better way to do optional function parameters in JavaScript? [duplicate]
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1072
Your logic fails if optionalArg is passed, but evaluates as false - try this as an alternative...
How do I rename a project in Xcode 5?
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edited Nov 5 '14 at 10:52
answered Oct 18 '13 at 6:18
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Python unit test with base and sub class
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answered Aug 24 '09 at 17:00
Matthew MarshallMatthew Marshall
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How to set data attributes in HTML elements
I have a div with an attribute data-myval = "10" . I want to update its value; wouldn't it change if I use div.data('myval',20) ? Do I need to use div.attr('data-myval','20') only?
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How to read a file into a variable in shell?
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1120
In cross-platform, lowest-common-denominator sh you use:
#!/bin/sh
value=`cat config.txt`
echo ...
How to link to specific line number on github
... simply hold down the shift key and click a second line number, like line 20. Looks like this:
And now your browser's URL looks like this:
https://github.com/git/git/blob/master/README#L18-L20
Here's the important part:
Now get the canonical url for that particular commit by pressing the y ke...
pull/push from multiple remote locations
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Arsen Khachaturyan
5,90933 gold badges3232 silver badges3434 bronze badges
answered May 11 '09 at 20:34
araqnidaraqnid
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Is there a way to get the git root directory in one command?
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Sled
15.7k2121 gold badges107107 silver badges143143 bronze badges
answered Jun 5 '09 at 20:29
baudtackbaudtack
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What is an index in SQL?
...relevant for other SQL servers as well):
http://dev.mysql.com/doc/refman/5.0/en/mysql-indexes.html
An index can be used to efficiently find all rows matching some column in your query and then walk through only that subset of the table to find exact matches. If you don't have indexes on any column ...
jQuery date/time picker [closed]
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answered Sep 12 '10 at 9:08
xordonxordon
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