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FFmpeg: How to split video efficiently?
...es have a negligible difference.
The two command version should be quicker by adding another -ss before the input file for the a 'fast seek' followed by the more accurate slow seek.
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MySQL: #126 - Incorrect key file for table
...k in my experience.
EDIT
It is also worth noting that this can be caused by a full ramdisk when doing things like altering a large table if you have a ramdisk configured. You can temporarily comment out the ramdisk line to allow such operations if you can't increase the size of it.
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Using sed to mass rename files
...p.
Therefore, \(.\) matches the first character, which can be referenced by \1.
Then . matches the next character, which is always 0.
Then \(.*\) matches the rest of the filename, which can be referenced by \2.
The replacement string puts it all together using & (the original
filename) and \1...
How to use cURL to get jSON data and decode the data?
....../api.php?action=getThreads&hash=123fajwersa&node_id=4&order_by=post_date&order=desc&limit=1&grab_content&content_limit=1";
Using cURL
// Initiate curl
$ch = curl_init();
// Will return the response, if false it print the response
curl_setopt($ch, CURLOPT_RETU...
Eclipse - Unable to install breakpoint due to missing line number attributes
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Even your app not web, solution is Ok, by make Installed JREs default is JDK instead of JRE
– ahmednabil88
Oct 25 '18 at 8:14
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C++ Const Usage Explanation
...e to a constant pointer to a constant int. Usually pointers are not passed by reference; const int* & makes more sense because it would mean that the pointer could be changed during the method call, which would be the only reason I can see to pass a pointer by reference, const int* const& is...
How can I generate a list or array of sequential integers in Java?
...List() there unless you really needed a List... the ContiguousSet produced by asSet is lightweight (it just needs the range and the domain), but asList() will create a list that actually stores all the elements in memory (currently).
– ColinD
Apr 20 '12 at 12:3...
Rails :dependent => :destroy VS :dependent => :delete_all
...allback.
The :delete_all is made directly in your application and deletes by SQL :
DELETE * FROM users where compagny_id = XXXX
With the :destroy, there is an instantiation of all of your children. So, if you can't destroy it or if each has their own :dependent, its callbacks can be called.
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R programming: How do I get Euler's number?
...ooking for e (natural base of the natural logarithm), click here. Actually by looking the detail of question, it is the person who ask this question don't know the difference between e and euler's constant. I feel uncomfortable that we have a question with title doesn't agree with content..
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Can I use assert on Android devices?
...assert keyword” which — unlike junit.framework.Assert can be optimized by the JIT. And for this very reason I came here. Hope some of the other answers will be more helpful.
– Martin
Apr 26 '11 at 9:15
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