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Print a string as hex bytes?
...g: Hello world !! and I want to print it using Python as 48:65:6c:6c:6f:20:77:6f:72:6c:64:20:21:21 .
13 Answers
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Difference between List, List, List, List, and List
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answered Jun 3 '11 at 20:01
KajKaj
10.4k11 gold badge2929 silver badges2727 bronze badges
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Converting a list to a set changes element order
... list, you can do this with a list comprehension:
>>> a = [1, 2, 20, 6, 210]
>>> b = set([6, 20, 1])
>>> [x for x in a if x not in b]
[2, 210]
If you need a data structure that supports both fast membership tests and preservation of insertion order, you can use the keys...
Insert a line break in mailto body
...%0A. Nothing worked for me.
I tested on Gmail, Yahoo, Apple Mail, Outlook 2010, Outlook.com and Thunderbird with Google Chrome on Mac OSX.
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Types in MySQL: BigInt(20) vs Int(20)
...ious that they would allow for larger numbers; however, I can make an Int(20) or a BigInt(20) and that would make seem that it is not necessarily about size.
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How to prevent XSS with HTML/PHP?
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answered Jan 3 '10 at 20:17
Alix AxelAlix Axel
137k7979 gold badges366366 silver badges477477 bronze badges
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Rank function in MySQL
... SET command.
Test case:
CREATE TABLE person (id int, first_name varchar(20), age int, gender char(1));
INSERT INTO person VALUES (1, 'Bob', 25, 'M');
INSERT INTO person VALUES (2, 'Jane', 20, 'F');
INSERT INTO person VALUES (3, 'Jack', 30, 'M');
INSERT INTO person VALUES (4, 'Bill', 32, 'M');
IN...
How do I parse an ISO 8601-formatted date?
I need to parse RFC 3339 strings like "2008-09-03T20:56:35.450686Z" into Python's datetime type.
27 Answers
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Python division
...t; 1 / 2
0
You should make one of them a float:
>>> float(10 - 20) / (100 - 10)
-0.1111111111111111
or from __future__ import division, which the forces / to adopt Python 3.x's behavior that always returns a float.
>>> from __future__ import division
>>> (10 - 20) / ...
Optional Parameters with C++ Macros
...ros are simply expanded.
– mk12
Aug 20 '12 at 1:42
2
Although I use macros as little as possible,...