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When to use cla(), clf() or close() for clearing a plot in matplotlib?
...a figure which may consist of many axes. Additionally, there are functions from the pyplot interface and there are methods on the Figure class. I will discuss both cases below.
pyplot interface
pyplot is a module that collects a couple of functions that allow matplotlib to be used in a functional ...
What is the meaning of “__attribute__((packed, aligned(4))) ”
...
Before answering, I would like to give you some data from Wiki
Data structure alignment is the way data is arranged and accessed in computer memory. It consists of two separate but related issues: data alignment and data structure padding.
When a modern computer reads from ...
In C++, what is a “namespace alias”?
...t, shorter name.
As an example, say you wanted to use the numeric vectors from Boost's uBLAS without a using namespace directive. Stating the full namespace every time is cumbersome:
boost::numeric::ublas::vector<double> v;
Instead, you can define an alias for boost::numeric::ublas -- say ...
Setup RSpec to test a gem (not Rails)
... How exactly do @mkon's three lines of code work differently from iain's three lines of code?
– Nakilon
Sep 25 '16 at 3:19
1
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Splitting on last delimiter in Python string?
...;> s.rpartition(',')
('a,b,c', ',', 'd')
Both methods start splitting from the right-hand-side of the string; by giving str.rsplit() a maximum as the second argument, you get to split just the right-hand-most occurrences.
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How update the _id of one MongoDB Document?
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Would a snapshot() on find be advised to keep the forEach from accidentally picking up newer docs as it iterates?
– John Flinchbaugh
May 14 '14 at 21:04
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Is Ruby pass by reference or by value?
...ays references to objects. In order to get an object that won't change out from under you, you need to dup or clone the object you're passed, thus giving an object that nobody else has a reference to. (Even this isn't bulletproof, though — both of the standard cloning methods do a shallow copy, so...
How to set custom location for local installation of npm package?
...our user account.
In .npmrc:
prefix=${HOME}/npm
Then run this command from the command line:
npm config ls -l
It should give output on both your own local configuration and the global npm configuration, and you should see your local prefix configuration reflected, probably near the top of the...
PHP best way to MD5 multi-dimensional array?
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Serialize is soooooooo much slower than json_encode from second answer. Do your server a pleasure and use json_encode! :)
– s3m3n
May 5 '13 at 17:19
3
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How to get the tag HTML with JavaScript / jQuery?
...t.querySelector("html");
And if you want to use jQuery to get attributes from it...
$(htmlElement).attr(INSERT-ATTRIBUTE-NAME);
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