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“Least Astonishment” and the Mutable Default Argument
Anyone tinkering with Python long enough has been bitten (or torn to pieces) by the following issue:
31 Answers
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Setting different color for each series in scatter plot on matplotlib
...ly'. You can choose a colourmap and make a colour array easily enough:
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.cm as cm
x = np.arange(10)
ys = [i+x+(i*x)**2 for i in range(10)]
colors = cm.rainbow(np.linspace(0, 1, len(ys)))
for y, c in zip(ys, colors):
plt.scatte...
What is the difference between C++ and Visual C++? [duplicate]
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C++ is a standardized language. Visual C++ is a product that more or less implements that standard. You can write portable C++ using Visual C++, but you can also use Microsoft-only extensions that destroy your portability but enhance your productivity. This is a trade-off. You have to d...
How to enable mod_rewrite for Apache 2.2
I've got fresh install of Apache 2.2 on my Vista machine, everything works fine, except mod rewrite.
15 Answers
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How to convert an address into a Google Maps Link (NOT MAP)
After looking (Googling) on the web for a while, I can find nothing that takes an address like:
14 Answers
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Postgres - FATAL: database files are incompatible with server
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If you recently upgraded to 11 or 12 from 10.x you can run the below command to upgrade your postgres data directory retaining all data:
brew postgresql-upgrade-database
The above command is taken from the output of brew info postgres
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img tag displays wrong orientation
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I found part of the solution. Images now have metadata that specify the orientation of the photo. There is a new CSS spec for image-orientation.
Just add this to your CSS:
img {
image-orientation: from-image;
}
According to the spec as of Jan 25 2016, Firefox and iOS Safari (behind a pref...
Configure WAMP server to send email
Is there a way that I can configure the WAMP server for PHP to enable the mail() function?
7 Answers
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Browser detection in JavaScript? [duplicate]
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navigator.sayswho= (function(){
var ua= navigator.userAgent, tem,
M= ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
if(/trident/i.test(M[1])){
tem= /\brv[ :]+(\d+)/g.exec(ua) || ...
How to remove all breakpoints in one step in Google Chrome?
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Works for Chrome version 70 as well
– Jasmeet
Nov 1 '18 at 17:05
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