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Why does string::compare return an int?

...ll the way to one of them // ends. If the length isn't equal, "longest" wins. return a.length() - b.length(); } share | improve this answer | follow | ...
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Convert a python UTC datetime to a local datetime using only python standard library?

... here ## You could use `tzlocal` module to get local timezone on Unix and Win32 # from tzlocal import get_localzone # $ pip install tzlocal # # get local timezone # local_tz = get_localzone() def utc_to_local(utc_dt): local_dt = utc_dt.replace(tzinfo=pytz.utc).astimezone(local_tz) ret...
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Why is quicksort better than mergesort?

...ce an algorithm’s runtime, and, when taking them all together, quicksort wins out. In particular, the often-quoted runtime of sorting algorithms refers to the number of comparisons or the number of swaps necessary to perform to sort the data. This is indeed a good measure of performance, especial...
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When should I use semicolons in SQL Server?

...e extent that we can avoid acquiring bad habits in the first place, it's a win for us, for our code, and for anyone reading or using our code. share | improve this answer | f...
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How to check if AlarmManager already has an alarm set?

... Following up on the comment ron posted, here is the detailed solution. Let's say you have registered a repeating alarm with a pending intent like this: Intent intent = new Intent("com.my.package.MY_UNIQUE_ACTION"); PendingIntent...
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Excel: last character/string match in a string

... Note: Whilst my suggestion would win at sketchy code-golf, the usage of arrays is not always recommended when used in large quantities. It does however, has other benefits which I've tried to explicitly mention. This makes the answer by @Tigeravatar just as ...
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Simplest way to profile a PHP script

...the server, turn it on, pump the output through kcachegrind (for linux) or wincachegrind (for windows) and it'll show you a few pretty charts that detail the exact timings, counts and memory usage (but you'll need another extension for that). It rocks, seriously :D ...
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How to test multiple variables against a value?

... If you can arrange for the most likely case to be first in the tuple, the win is even bigger: (my test: timeit.timeit('0 in {seq}'.format(seq=tuple(range(9, -1, -1))))) – SingleNegationElimination Oct 24 '13 at 15:27 ...
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AtomicInteger lazySet vs. set

...re: http://psy-lob-saw.blogspot.co.uk/2012/12/atomiclazyset-is-performance-win-for.html To summarize: lazySet is a weak volatile write in the sense that it acts as a store-store and not a store-load fence. This boils down to lazySet being JIT compiled to a MOV instruction that cannot be re-ordered ...
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How does “make” app know default target to build if no target is specified?

... This should be the correct answer. Explicit over implicit wins in this case. – Sion Sep 14 '18 at 9:05  |  show 2 more commen...