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When do you use the “this” keyword? [closed]
...uctors, but I may also use it throughout the class in other methods. Some examples:
31 Answers
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Automatic HTTPS connection/redirect with node.js/express
...rking on. I've essentially followed the node.js documentation for this example:
18 Answers
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javascript scroll event for iPhone/iPad?
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The iPhoneOS does capture onscroll events, except not the way you may expect.
One-finger panning doesn’t generate any events until the user stops panning—an onscroll event is generated when the page stops moving and redraws—as shown in Figure 6-1.
Sim...
Detecting endianness programmatically in a C++ program
...or little-endian architecture? I need to be able to write code that will execute on an Intel or PPC system and use exactly the same code (i.e. no conditional compilation).
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LEFT JOIN vs. LEFT OUTER JOIN in SQL Server
... specify JOIN. In other words, this is legal:
SELECT *
FROM A JOIN B ON A.X = B.Y
Here's a list of equivalent syntaxes:
A LEFT JOIN B A LEFT OUTER JOIN B
A RIGHT JOIN B A RIGHT OUTER JOIN B
A FULL JOIN B A FULL OUTER JOIN B
A INNER JOIN B A JOIN B
Also...
multiprocessing.Pool: When to use apply, apply_async or map?
I have not seen clear examples with use-cases for Pool.apply , Pool.apply_async and Pool.map . I am mainly using Pool.map ; what are the advantages of others?
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Can someone give an example of cosine similarity, in a very simple, graphical way?
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Here are two very short texts to compare:
Julie loves me more than Linda loves me
Jane likes me more than Julie loves me
We want to know how similar these texts are, purely in terms of word counts (and ignoring word order). We begin by making a li...
Printing leading 0's in C?
...ou are padding with and the 5 shows the length of the integer number. For example if you use "%02d" (Useful for dates) this would only pad zeros for numbers in the ones column ie.(06 instead of 6). Example 2, "%03d" would pad 2 zeros for one number in the ones column and pad 1 zero for a number in ...
Matplotlib connect scatterplot points with line - Python
...nse for the points, which you can still plot via scatter, as per my first example. The question does not say anything about a varying line thickness or color, so I think your criticism is a bit unfair, really.
– Hannes Ovrén
Aug 24 '18 at 9:31
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Operation on every pair of element in a list
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Check out product() in the itertools module. It does exactly what you describe.
import itertools
my_list = [1,2,3,4]
for pair in itertools.product(my_list, repeat=2):
foo(*pair)
This is equivalent to:
my_list = [1,2,3,4]
for x in my_list:
for y in my_list:
f...