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Get elements by attribute when querySelectorAll is not available without using libraries?
...[];
var allElements = document.getElementsByTagName('*');
for (var i = 0, n = allElements.length; i < n; i++)
{
if (allElements[i].getAttribute(attribute) !== null)
{
// Element exists with attribute. Add to array.
matchingElements.push(allElements[i]);
}
}
retur...
Crop MP3 to first 30 seconds
...and it also takes longer to do.
Here's a command line that will slice to 30 seconds without transcoding:
ffmpeg -t 30 -i inputfile.mp3 -acodec copy outputfile.mp3
The -acodec switch tells ffmpeg to use the special "copy" codec which does not transcode. It is lightning fast.
NOTE: the command w...
PHP: exceptions vs errors?
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answered May 8 '09 at 19:58
gnarfgnarf
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Grabbing the href attribute of an A element
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10 Answers
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Java Generate Random Number Between Two Given Values [duplicate]
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You could use e.g. r.nextInt(101)
For a more generic "in between two numbers" use:
Random r = new Random();
int low = 10;
int high = 100;
int result = r.nextInt(high-low) + low;
This gives you a random number in between 10 (inclusive) and 100 (exclusi...
C# equivalent of the IsNull() function in SQL Server
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AWS Error Message: A conflicting conditional operation is currently in progress against this resourc
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Faisal Mansoor
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answered May 14 '13 at 21:20
Jan VlcinskyJan Vlcinsky
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How do you iterate through every file/directory recursively in standard C++?
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edited Sep 15 '08 at 23:36
answered Sep 15 '08 at 21:44
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Delete commits from a branch in Git
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answered Aug 27 '09 at 3:44
gahooagahooa
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When to use LinkedList over ArrayList in Java?
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get(int index) is O(n) (with n/4 steps on average), but O(1) when index = 0 or index = list.size() - 1 (in this case, you can also use getFirst() and getLast()). One of the main benefits of LinkedList<E>
add(int index, E element) is O(n) (with n/4 steps on average), but O(1) when index = 0 or...