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How to calculate a time difference in C++

...turns the CPU time consumed by the program. So if the program is run in parallel the time returned by the function would be the accumulated of the time spent on all CPUs, rather than the time elapsed cplusplus.com/reference/ctime/clock – Ameer Jewdaki Aug 3 '1...
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Gunicorn worker timeout error

...hen, in order to save resources with many concurrent connections: pip install gevent , then worker_class gevent in your config file or -k gevent on the command line. – little_birdie Jan 5 '16 at 4:11 ...
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Create a pointer to two-dimensional array

...d T[10] are different types. The following alternative doesn't work at all, because the element type of the array, when you view it as a one-dimensional array, is not uint8_t, but uint8_t[20] uint8_t *matrix_ptr = l_matrix; // fail The following is a good alternative uint8_t (*matrix_ptr)[...
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SQL to determine minimum sequential days of access?

... @Artem: That was what I initially thought but when I thought about it, if you have an index on (UserId, CreationDate), the records will show up consecutively in the index and it should perform well. – Mehrdad Afshari ...
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Export specific rows from a PostgreSQL table as INSERT SQL script

....5.3, and my create statement was the same as yours except create view.... All I get in the output is the usual pg_dump comments and SET statements. Not sure where I'm going wrong. – poshest Nov 20 '16 at 15:19 ...
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How to create separate AngularJS controller files?

I have all of my AngularJS controllers in one file, controllers.js. This file is structured as follows: 6 Answers ...
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Simplest way to detect a mobile device in PHP

... @kavior.com Yes it can be faked, but we should allow people to fake if they wish... because that would be their intention, why stop people from doing what they specifically want (i.e. load the desktop version for some reason in particular)? – Nick St...
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do N times (declarative syntax)

...based on Array.forEach, without any library, just native vanilla. To basically call something() 3 times, use: [1,2,3].forEach(function(i) { something(); }); considering the following function: function something(){ console.log('something') } The outpout will be something something somethi...
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How do I get hour and minutes from NSDate?

...ateComponents: Obj-C: NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; [dateFormatter setDateFormat:@"<your date format goes here"]; NSDate *date = [dateFormatter dateFromString:string1]; NSCalendar *calendar = [NSCalendar currentCalendar]; NSDateComponents *components = [calend...
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How to store values from foreach loop into an array?

...used by any developers. The counter and incrementing are not necessary at all. – mickmackusa Jun 27 '19 at 7:05 ...