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Accurate way to measure execution times of php scripts
...ere is a function that times execution of any piece of PHP code, much like Python's timeit module does: https://gist.github.com/flaviovs/35aab0e85852e548a60a
How to use it:
include('timeit.php');
const SOME_CODE = '
strlen("foo bar");
';
$t = timeit(SOME_CODE);
print "$t[0] loops; $t[2] pe...
How to create a numpy array of all True or all False?
In Python, how do I create a numpy array of arbitrary shape filled with all True or all False?
7 Answers
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jquery save json data object in cookie
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On the server side, Python's standard cookie handling will reject cookies containing { or }, and silently drop any cookies that follow the rejected cookie in the cookie header.
– snakecharmerb
Nov 29 '17 at...
How to “inverse match” with regex?
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For Python/Java,
^(.(?!(some text)))*$
http://www.lisnichenko.com/articles/javapython-inverse-regex.html
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Why does (0 < 5 < 3) return true?
...
And because JavaScript is NOT Python. :-)
– rsenna
Nov 3 '10 at 16:37
1
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How to print the full NumPy array, without truncation?
...isons. 'nan' only happens to work due to fragile implementation details of Python 2's mixed-type comparison logic; it breaks completely on Python 3.
– user2357112 supports Monica
Jun 1 '17 at 20:12
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Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...heckout . 来找回所有的文件。 你也可以通过 submodule foreach 脚本来为多个子模块运行它。
要特别注意的是，近来子模块会将它们的所有 Git 数据保存在顶级项目的 .git 目录中，所以不像旧版本的 Git，摧毁一个子模块目录并不会...
Checking images for similarity with OpenCV
...portance to histogram method though. Here's how I've implemented in simple python script.
import cv2
class CompareImage(object):
def __init__(self, image_1_path, image_2_path):
self.minimum_commutative_image_diff = 1
self.image_1_path = image_1_path
self.image_2_path =...
How to add an empty column to a dataframe?
... new (empty) dataframe to the existing dataframe, but that doesn't feel as pythonic to me :)
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How to detect a Christmas Tree? [closed]
...egmentation step is performed--I used the DBSCAN clustering algorithm from Python's scikit-learn; it's optimized for finding somewhat amorphous shapes that may not necessarily have a single clear centroid.
At the top level, my approach is fairly simple and can be broken down into about 3 steps. Fi...