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If Python is interpreted, what are .pyc files?
... as MSBASIC had no intermediate form. The program was interpreted directly from the source form (or near source, a form in which keywords were represented by 1-byte tokens, and line #'s by 2-byte binary ints, but the rest was just ASCII). So in fact a 'goto' would take different amounts of time depe...
How do I verify jQuery AJAX events with Jasmine?
... request, and just afterwards. You can even use Jasmine to fake a response from the server. These tests would be faster - and they would not need to handle asynchronous behaviour - since there isn't any real AJAX going on.
Integration tests that perform real AJAX requests. These would need to be asy...
Exit a Script On Error
...ands' error codes cause an automatic exit. Furthermore, "the rules change from one Bash version to another, as Bash attempts to track the extremely slippery POSIX definition of this 'feature'". I agree with @Dennis Williamson and the accepted answer of stackoverflow.com/questions/19622198/… - us...
jQuery Plugin: Adding Callback functionality
...e options object:
$.fn.myPlugin = function() {
// extend the options from pre-defined values:
var options = $.extend({
callback: function() {}
}, arguments[0] || {});
// call the callback and apply the scope:
options.callback.call(this);
};
Use it like this:
$('.el...
Is the order of elements in a JSON list preserved?
...
Yes, the order of elements in JSON arrays is preserved. From RFC 7159 -The JavaScript Object Notation (JSON) Data Interchange Format
(emphasis mine):
An object is an unordered collection of zero or more name/value
pairs, where a name is a string and a value is a string, num...
Haskell: Lists, Arrays, Vectors, Sequences
...nce list. The best example of lists screwing up performance tends to come from [Char] which the prelude has aliased as String. Char lists are convient, but tend to run on the order of 20 times slower than C strings, so feel free to use Data.Text or the very fast Data.ByteString. I'm sure there ar...
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 ...
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 ...
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.
...
What do hjust and vjust do when making a plot using ggplot?
...the case of angle=45, when I have axis labels of varying length, let's say from 25 to 5 characters, they're neither aligned justified to the right or the left of the word boundaries. Take a look at the axes here If I were to use angle=45, how would I make them right-justified and flush against the a...