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How can I detect if the user is on localhost in PHP?
...ient requesting is given by the web server.
$whitelist = array(
'127.0.0.1',
'::1'
);
if(!in_array($_SERVER['REMOTE_ADDR'], $whitelist)){
// not valid
}
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Adding an arbitrary line to a matplotlib plot in ipython notebook
...as np
import matplotlib.pyplot as plt
np.random.seed(5)
x = np.arange(1, 101)
y = 20 + 3 * x + np.random.normal(0, 60, 100)
plt.plot(x, y, "o")
# draw vertical line from (70,100) to (70, 250)
plt.plot([70, 70], [100, 250], 'k-', lw=2)
# draw diagonal line from (70, 90) to (90, 200)
plt.plot([70,...
Catching error codes in a shell pipe
...
20
If you really don't want the second command to proceed until the first is known to be successful...
Replace all elements of Python NumPy Array that are greater than some value
...o replace all values in it greater than or equal to a threshold T with 255.0. To my knowledge, the most fundamental way would be:
...
How might I convert a double to the nearest integer value?
...
answered Mar 11 '09 at 4:33
nickfnickf
482k187187 gold badges607607 silver badges703703 bronze badges
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Question mark and colon in JavaScript
...f the ? as "then" and : as "else".
Your code is equivalent to
if (max != 0)
hsb.s = 255 * delta / max;
else
hsb.s = 0;
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MFC 中CImageList的用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...CImageList）是相同大小图像的一个集合，每个集合中均以0为图像的索引序号基数，（可以把这些图标看成是以数组方式存储的）...图像列表控件（CImageList）是相同大小图像的一个集合，每个集合中均以0为图像的索引序号基数，...
Java: how can I split an ArrayList in multiple small ArrayLists?
How can I split an ArrayList (size=1000) in multiple ArrayLists of the same size (=10) ?
18 Answers
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How to identify numpy types in python?
... numpy enough type?
– panda-34
Mar 10 '16 at 13:02
If you want anything in numpy.* you just walk the parent package of...
Android gradle: buildtoolsVersion vs compileSdkVersion
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200
compileSdkVersion is the API version of Android that you compile against.
buildToolsVersion is...