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CSS hexadecimal RGBA?
...and 8-digit hexadecimal RGBA notation!
Three weeks ago (18th of December 2014) the CSS Color Module Level 4 editor's draft was submitted to the CSS W3C Working Group. Though in a state which is heavily susceptible to change, the current version of the document implies that in the somewhat near fut...
NumPy or Pandas: Keeping array type as integer while having a NaN value
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This capability has been added to pandas (beginning with version 0.24):
https://pandas.pydata.org/pandas-docs/version/0.24/whatsnew/v0.24.0.html#optional-integer-na-support
At this point, it requires the use of extension dtype Int64 (capitalized), rather than the default dtype int64 (lowe...
SVG gradient using CSS
...pe-rendering: crispEdges;
fill: url(#MyGradient);
}
<svg width="100" height="50" version="1.1" xmlns="http://www.w3.org/2000/svg">
<style type="text/css">
rect{fill:url(#MyGradient)}
</style>
<defs>
<linearGradient id="MyGradie...
What's the point of g++ -Wreorder?
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260
Consider:
struct A {
int i;
int j;
A() : j(0), i(j) { }
};
Now i is initialized t...
Round to at most 2 decimal places (only if necessary)
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Use Math.round(num * 100) / 100
Edit: to ensure things like 1.005 round correctly, we use
Math.round((num + Number.EPSILON) * 100) / 100
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Is there any way to prevent input type=“number” getting negative values?
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Use the min attribute like this:
<input type="number" min="0">
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Select by partial string from a pandas DataFrame
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Based on github issue #620, it looks like you'll soon be able to do the following:
df[df['A'].str.contains("hello")]
Update: vectorized string methods (i.e., Series.str) are available in pandas 0.8.1 and up.
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Selecting with complex criteria from pandas.DataFrame
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406
Sure! Setup:
>>> import pandas as pd
>>> from random import randint
>>...
How to check if smtp is working from commandline (Linux) [closed]
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edited Aug 15 '19 at 16:20
rogerdpack
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ans...
Git Blame Commit Statistics
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Update
git ls-tree -r -z --name-only HEAD -- */*.c | xargs -0 -n1 git blame \
--line-porcelain HEAD |grep "^author "|sort|uniq -c|sort -nr
I updated some things on the way.
For convenience, you can also put this into its own command:
#!/bin/bash
# save as i.e.: git-authors and s...