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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?

... This clock wraps around once it tops out (this typically happens after ~2^32 ticks, which is not very long for a 1 MHz clock). man clock says that since glibc 2.18 it is implemented with clock_gettime(CLOCK_PROCESS_CPUTIME_ID, ...) in Linux. clock_gettime(CLOCK_MONOTONIC, ...) provides nanosecond ...
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how to check and set max_allowed_packet mysql variable [duplicate]

... 3 Answers 3 Active ...
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How to rollback a specific migration?

... 1393 rake db:rollback STEP=1 Is a way to do this, if the migration you want to rollback is the la...
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How to list all installed packages and their versions in Python?

... answered Oct 17 '12 at 17:31 Jeff LaFayJeff LaFay 11.4k1212 gold badges6868 silver badges9797 bronze badges ...
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How to sort the result from string_agg()

...:58 KT12 33166 silver badges1414 bronze badges answered Jul 23 '14 at 9:42 Igor RomanchenkoIgor Romanchenko ...
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C# List of objects, how do I get the sum of a property

... 316 using System.Linq; ... double total = myList.Sum(item => item.Amount); ...
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Using OR in SQLAlchemy

... 340 From the tutorial: from sqlalchemy import or_ filter(or_(User.name == 'ed', User.name == 'wen...
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How to reference style attributes from a drawable?

... 163 In my experience it is not possible to reference an attribute in an XML drawable. In order to ma...
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What is the usefulness of PUT and DELETE HTTP request methods?

...source with that URI … For the full specification visit: http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html Since current browsers unfortunately do not support any other verbs than POST and GET in HTML forms, you usually cannot utilize HTTP to it's full extent with them (you can still hij...
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Declaration/definition of variables locations in ObjectiveC?

... NolanDC 1,03122 gold badges1111 silver badges3434 bronze badges answered Sep 28 '12 at 1:38 DrummerBDrummerB ...