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Remove characters except digits from string using Python?
How can I remove all characters except numbers from string?
15 Answers
15
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Plot two histograms on single chart with matplotlib
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Here you have a working example:
import random
import numpy
from matplotlib import pyplot
x = [random.gauss(3,1) for _ in range(400)]
y = [random.gauss(4,2) for _ in range(400)]
bins = numpy.linspace(-10, 10, 100)
pyplot.hist(x, bins, alpha=0.5, ...
Conditionally use 32/64 bit reference when building in Visual Studio
...ing a single platform's references to the project, open the .csproj in a text editor. Before the first <ItemGroup> element within the <Project> element, add the following code, which will help determine which platform you're running (and building) on.
<!-- Properties group for Determ...
How to do joins in LINQ on multiple fields in single join
...ith join clauses, anyway), and indeed that's what you've said you want to express anyway based on your original query.
If you don't like the version with the anonymous type for some specific reason, you should explain that reason.
If you want to do something other than what you originally asked fo...
Naming returned columns in Pandas aggregate function? [duplicate]
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This will drop the outermost level from the hierarchical column index:
df = data.groupby(...).agg(...)
df.columns = df.columns.droplevel(0)
If you'd like to keep the outermost level, you can use the ravel() function on the multi-level column to form new labels:
df.columns = ["_".join(x) f...
Replace console output in Python
...is is something I am using:
def startProgress(title):
global progress_x
sys.stdout.write(title + ": [" + "-"*40 + "]" + chr(8)*41)
sys.stdout.flush()
progress_x = 0
def progress(x):
global progress_x
x = int(x * 40 // 100)
sys.stdout.write("#" * (x - progress_x))
sy...
What is the http-header “X-XSS-Protection”?
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X-XSS-Protection is a HTTP header understood by Internet Explorer 8 (and newer versions).
This header lets domains toggle on and off the "XSS Filter" of IE8, which prevents some categories of XSS attacks.
IE8 has the filter a...
How can I get list of values from dict?
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Yes it's the exact same thing in Python 2:
d.values()
In Python 3 (where dict.values returns a view of the dictionary’s values instead):
list(d.values())
sh...
Can I keep Nuget on the jQuery 1.9.x/1.x path (instead of upgrading to 2.x)?
... you can constrain the version of your package by using the following syntax in your packages.config:
<package id="jQuery" version="1.9.1" allowedVersions="[1.9.1]" />
There's more information on version constraints here:
http://docs.nuget.org/docs/reference/Versioning
After making the co...
'is' versus try cast with null check
...'t need to be cast again
...
}
C# 7.0 supports a more compact syntax using pattern matching:
if (myObj.myProp is MyType myObjRef)
{
...
}
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