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Which is faster: while(1) or while(2)?

...arying levels of optimization: int main(void) { while(1) {} return 0; } int main(void) { while(2) {} return 0; } Even with no optimizations (-O0), the generated assembly was identical for both programs. Therefore, there is no speed difference between the two loops. For reference, ...
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How to check if a value exists in a dictionary (python)

...rative timing: >>> T(lambda : 'one' in d.itervalues()).repeat() [0.28107285499572754, 0.29107213020324707, 0.27941107749938965] >>> T(lambda : 'one' in d.values()).repeat() [0.38303399085998535, 0.37257885932922363, 0.37096405029296875] >>> T(lambda : 'one' in d.viewvalue...
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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?

.../TRUE/true were all defined as 1 and NO/FALSE/false were all defined as 0 . Is there really any difference? 9 Answers ...
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How do you create a yes/no boolean field in SQL server?

... The equivalent is a BIT field. In SQL you use 0 and 1 to set a bit field (just as a yes/no field in Access). In Management Studio it displays as a false/true value (at least in recent versions). When accessing the database through ASP.NET it will expose the field as a b...
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How to extract text from a string using sed?

... The pattern \d might not be supported by your sed. Try [0-9] or [[:digit:]] instead. To only print the actual match (not the entire matching line), use a substitution. sed -n 's/.*\([0-9][0-9]*G[0-9][0-9]*\).*/\1/p' ...
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Suppress Scientific Notation in Numpy When Creating Array From Nested List

...ons(suppress=True), for details see here: http://pythonquirks.blogspot.fr/2009/10/controlling-printing-in-numpy.html For SciPy.org numpy documentation, which includes all function parameters (suppress isn't detailed in the above link), see here: https://docs.scipy.org/doc/numpy/reference/generated/...
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Convert list of dictionaries to a pandas DataFrame

... 1044 Supposing d is your list of dicts, simply: df = pd.DataFrame(d) Note: this does not work with...
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How to get first character of string?

... 1080 What you want is charAt. var x = 'some string'; alert(x.charAt(0)); // alerts 's' ...
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Equivalent of String.format in jQuery

... 20 Answers 20 Active ...
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Remove rows with all or some NAs (missing values) in data.frame

... 1080 Also check complete.cases : > final[complete.cases(final), ] gene hsap mmul m...