大约有 5,685 项符合查询结果（耗时：0.0344秒） [XML]
Histogram Matplotlib
...
Not the answer you're looking for? Browse other questions tagged python numpy matplotlib scipy histogram or ask your own question.
Change a Django form field to a hidden field
... This is the best answer IMHO. I've always hated using my "controller" Python code to determine the display of a form field.
– trpt4him
Jun 29 '18 at 13:27
...
Count the number occurrences of a character in a string
...
Python-3.x:
"aabc".count("a")
str.count(sub[, start[, end]])
Return the number of non-overlapping occurrences of substring sub in the range [start, end]. Optional arguments start and end are interpreted as in slic...
Remove duplicate lines without sorting [duplicate]
I have a utility script in Python:
8 Answers
8
...
What does 'foo' really mean?
... such name is needed. Wikipedia calls these names Metasyntactic Variables. Python programmers supposedly use spam, eggs, ham, instead of foo, etc.
There are good uses of foo in SA.
I have also seen foo used when the programmer can't think of a meaningful name (as a substitute for tmp, say), but I ...
fatal: could not read Username for 'https://github.com': No such file or directory
...his message within a Docker container running on gitlab. The base image is python:3.7-slim. So it is not Windows related.
– Martin Thoma
Jun 17 '19 at 14:05
...
Is there an expression for an infinite generator?
... a still more insane expression on an old page I wrote: baruchel.github.io/python/2018/06/20/…
– Thomas Baruchel
Jul 21 at 17:03
add a comment
|
...
Generate random 5 characters string
...k.com/blog/20121205114003-exploit-information-leaks-in-random-numbers-from-python-ruby-and-php
EDIT:
If you have OpenSSL support in PHP, you could use openssl_random_pseudo_bytes():
<?php
$length = 5;
$randomBytes = openssl_random_pseudo_bytes($length);
$characters = '0123456789ABCD...
Can I define a class name on paragraph using Markdown?
... Works pretty well with Markdown Preview (Sublime 3) that uses the builtin Python Markdown parser.
– Mihai
Dec 7 '17 at 22:43
...
Checking if a field contains a string
...
Here's what you have to do if you are connecting MongoDB through Python
db.users.find({"username": {'$regex' : '.*' + 'Son' + '.*'}})
you may also use a variable name instead of 'Son' and therefore the string concatenation.
...