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warning about too many open figures
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Use .clf or .cla on your figure object instead of creating a new figure. From @DavidZwicker
Assuming you have imported pyplot as
import matplotlib.pyplot as plt
plt.cla() clears an axis, i.e. the currently active axis in the current figure. It leaves the other axes untouched.
plt.clf() clears...
Circular gradient in android
I'm trying to make a gradient that emits from the middle of the screen in white, and turns to black as it moves toward the edges of the screen.
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Upgrading Node.js to latest version
...le
For the latest version:
sudo n latest
###Windows:
just reinstall node from the .msi in Windows from the node website.
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Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar
From the Immediate Window in Visual Studio:
16 Answers
16
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How do I compute derivative using Numpy?
...en Theano might be a good choice.
Here is an example using SymPy
In [1]: from sympy import *
In [2]: import numpy as np
In [3]: x = Symbol('x')
In [4]: y = x**2 + 1
In [5]: yprime = y.diff(x)
In [6]: yprime
Out[6]: 2⋅x
In [7]: f = lambdify(x, yprime, 'numpy')
In [8]: f(np.ones(5))
Out[8]: [ 2. ...
Changing Locale within the app itself
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Is you preference activity being called from you main activity? you could place this in the on resume... @Override protected void onResume() { if (!(PreferenceManager.getDefaultSharedPreferences( getApplicationContext()).getString("listLanguage", "en") .equ...
Using ChildActionOnly in MVC
...tribute ensures that an action method can be called only as a child method
from within a view. An action method doesn’t need to have this attribute to be used as a child action, but
we tend to use this attribute to prevent the action methods from being invoked as a result of a user
request.
Having...
Safely remove migration In Laravel
... files: composer dump-autoload
Modify your database: Remove the last entry from the migrations table
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how to release localhost from Error: listen EADDRINUSE
...hing has happened to prevent the previous instantiation of my node process from shutting down properly. It was working when I used node app.js and stopped it with Ctrl+C, but started having the EADDRINUSE issue after the first time I used npm start, so it seems the real solution would be to use some...
How to sparsely checkout only one single file from a git repository?
How do I checkout just one file from a git repo?
21 Answers
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