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Performance of foreach, array_map with lambda and array_map with static function

... FWIW, I just did the benchmark since poster didn't do it. Running on PHP 5.3.10 + XDebug. UPDATE 2015-01-22 compare with mcfedr's answer below for additional results without XDebug and a more recent PHP version. function lap($func) { $t0 = microtime(1); $numbers = range(0, 1000000); $ret...
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What is the difference between .map, .every, and .forEach?

... answered Sep 7 '11 at 21:52 gilly3gilly3 75.2k2323 gold badges130130 silver badges169169 bronze badges ...
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Exclude a sub-directory using find

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Remove leading or trailing spaces in an entire column of data

...e trying to correct. 3) Copy formula down the page 4) Copy inserted column 5) Paste as "Values" Should be good to go from there... share | improve this answer | follow ...
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Pandas timeseries plot setting x-axis major and minor ticks and labels

...yplot as plt import matplotlib.dates as dates idx = pd.date_range('2011-05-01', '2011-07-01') s = pd.Series(np.random.randn(len(idx)), index=idx) fig, ax = plt.subplots() ax.plot_date(idx.to_pydatetime(), s, 'v-') ax.xaxis.set_minor_locator(dates.WeekdayLocator(byweekday=(1), ...
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How do I create an immutable Class?

...answer. – Biswanath Dec 9 '08 at 11:57 5 Any mutable reference type passed as an argument to the ...
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SQL Server Output Clause into a scalar variable

... answered Apr 5 '11 at 21:27 Mikael ErikssonMikael Eriksson 125k1919 gold badges180180 silver badges246246 bronze badges ...
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Obfuscated C Code Contest 2006. Please explain sykes2.c

... (i/64)];. i/64 is the line number (6 to 0) and i*2&8 is 8 iff i is 4, 5, 6 or 7 mod 8. if((i & 2) == 0) shift /= 8; shift = shift % 8 selects either the high octal digit (for i%8 = 0,1,4,5) or the low octal digit (for i%8 = 2,3,6,7) of the table value. The shift table ends up looking like ...
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How do I strip non alphanumeric characters from a string and keep spaces?

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How can I alter a primary key constraint using SQL syntax?

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