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Why does PEP-8 specify a maximum line length of 79 characters? [closed]
...uch of the value of PEP-8 is to stop people arguing about inconsequential formatting rules, and get on with writing good, consistently formatted code. Sure, no one really thinks that 79 is optimal, but there's no obvious gain in changing it to 99 or 119 or whatever your preferred line length is. I t...
How to overload __init__ method based on argument type?
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A much neater way to get 'alternate constructors' is to use classmethods. For instance:
>>> class MyData:
... def __init__(self, data):
... "Initialize MyData from a sequence"
... self.data = data
...
... @classmethod
... def f...
How can I parse a CSV string with JavaScript, which contains comma in data?
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Disclaimer
2014-12-01 Update: The answer below works only for one very specific format of CSV. As correctly pointed out by DG in the comments, this solution does not fit the RFC 4180 definition of CSV and it also does not fit Microsoft Excel format. This solution simply de...
Signed versus Unsigned Integers
Am I correct to say the difference between a signed and unsigned integer is:
15 Answers
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What are the differences between LinearLayout, RelativeLayout, and AbsoluteLayout?
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LinearLayout means you can align views one by one (vertically/ horizontally).
RelativeLayout means based on relation of views from its parents and other views.
ConstraintLayout is similar to a RelativeLayout in that it uses relations to position and size widgets, but has additional flex...
Favourite performance tuning tricks [closed]
When you have a query or stored procedure that needs performance tuning, what are some of the first things you try?
29 Answ...
How to Add Stacktrace or debug Option when Building Android Studio Project
I was trying to investigate the project build error in the console output as follow:
12 Answers
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How can I test if a letter in a string is uppercase or lowercase using JavaScript?
How can I test if a letter in a string is uppercase or lowercase using JavaScript?
28 Answers
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Is it possible to cache POST methods in HTTP?
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The corresponding RFC 2616 in section 9.5 (POST) allows the caching of the response to a POST message, if you use the appropriate headers.
Responses to this method are not cacheable, unless the response
includes appropriate ...
Detecting that the browser has no mouse and is touch-only
...a website with pages of interesting text) with a very different interface for touch (your finger hides the screen when you click) and mouse (relies heavily on hover preview).
How can I detect that my user has no mouse to present him the right interface? I plan to leave a switch for people with both ...