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How to measure time taken between lines of code in python?
...how many seconds have elapsed.
There is also a function time.clock(), but it is deprecated since Python 3.3 and will be removed in Python 3.8.
There are better profiling tools like timeit and profile, however time.process_time() will measure the CPU time and this is what you're are asking about.
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What's the difference between using CGFloat and float?
...GFloat all over the place, but I wonder if I get a senseless "performance hit" with this. CGFloat seems to be something "heavier" than float, right? At which points should I use CGFloat, and what makes really the difference?
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Replace multiple characters in one replace call
Very simple little question, but I don't quite understand how to do it.
14 Answers
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Why doesn't Python have a sign function?
I can't understand why Python doesn't have a sign function. It has an abs builtin (which I consider sign 's sister), but no sign .
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Should I be using object literals or constructor functions?
...ting confused over which way I should be creating an object in javascript. It seems there are at least two ways. One is to use object literal notation while the other uses construction functions. Is there an advantage of one over the other?
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Is it ok to use dashes in Python files when trying to import them?
... short, all-lowercase names. Underscores can be used in the module name if it improves readability. Python packages should also have short, all-lowercase names, although the use of underscores is discouraged.
Since module names are mapped to file names, and some file systems are case insensitive and...
What is the best regular expression to check if a string is a valid URL?
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I wrote my URL (actually IRI, internationalized) pattern to comply with RFC 3987 (http://www.faqs.org/rfcs/rfc3987.html). These are in PCRE syntax.
For absolute IRIs (internationalized):
/^[a-z](?:[-a-z0-9\+\.])*:(?:\/\/(?:(?:%[0-9a-f][0-9a-f]|[-a-z0-9\._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{...
Is it alright to use target=“_blank” in HTML5?
I recall reading somewhere that in HTML5 it was no longer okay to use target="_blank" in HTML5, but I can't find it now.
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AngularJS ui-router login authentication
I am new to AngularJS, and I am a little confused of how I can use angular-"ui-router" in the following scenario:
10 Answer...
django urls without a trailing slash do not redirect
..., if the request URL does not match any of the patterns in the URLconf and it doesn’t end in a slash, an HTTP redirect is issued to the same URL with a slash appended. Note that the redirect may cause any data submitted in a POST request to be lost.". "The APPEND_SLASH setting is only used if Co...