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Match all elements having class name starting with a specific string [duplicate]
...'element' specified: [class*="test"] ...which I don't get. IOW, -why- does this work? (I'm not complaining, I like it -better-!) I just don't want to start using it and find out that it's a bug that later gets 'fixed'. Any ideas? THANKS! ---JC
– jchwebdev
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Set database from SINGLE USER mode to MULTI USER
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What does ROLLBACK IMMEDIATE exactly do?
– dakab
Jun 21 '16 at 6:40
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How to run Rails console in the test environment and load test_helper.rb?
...not sure if you have to require the test helper or if the test environment does that for you, but with that command you should at least be able to boot successfully into the test env.
As a sidenote: It is indeed kind of odd that the various binaries in script/ has different ways of setting the rail...
Postgresql GROUP_CONCAT equivalent?
...umber of elements in the resulting list.
The new 9.1 string_agg() function does NOT cast the inner results to TEXT first. So "string_agg(value_field)" would generate an error if value_field is an integer. "string_agg(value_field::text)" would be required. The array_agg() method requires only one ...
R: += (plus equals) and ++ (plus plus) equivalent from c++/c#/java, etc.?
Does R have a concept of += (plus equals) or ++ (plus plus) as c++/c#/others do?
8 Answers
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Store a closure as a variable in Swift
... Is using ((Float)->Void)! any different than ((Float)->Void)?? Doesn't declaring an uninitialized optional with ? default to nil already?
– Suragch
Jul 1 '16 at 1:42
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jQuery Event Keypress: Which key was pressed?
... Correction it's *$.ui.keyCode.ENTER** not *$.keyCode.ENTER -- does work like a charm though thx for the tip!
– daniellmb
Sep 2 '09 at 19:12
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How do you reindex an array in PHP?
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I just found out you can also do a
array_splice($ar, 0, 0);
That does the re-indexing inplace, so you don't end up with a copy of the original array.
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Print a file, skipping the first X lines, in Bash [duplicate]
...the following:
tail -n +1000001 huge-file.log
It's the + character that does what you want. To quote from the man page:
If the first character of K (the number of bytes or lines) is a
`+', print beginning with the Kth item from the start of each file.
Thus, as noted in the comment, p...
Play/pause HTML 5 video using JQuery
...a tab, the jquery reveals this, but then clicking on the video start arrow does not start the clip. When I remove the $('#videoId').get(0).play() line there is no problem. What is the best way around this? I was thinking I could remove the js with a condtional statement for iOS - the video will not ...