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Efficient evaluation of a function at every cell of a NumPy array
... it:
import numpy as np
def f(x):
return x * x + 3 * x - 2 if x > 0 else x * 5 + 8
f = np.vectorize(f) # or use a different name if you want to keep the original f
result_array = f(A) # if A is your Numpy array
It's probably better to specify an explicit output type directly when vect...
Filtering by Multiple Specific Model Properties in AngularJS (in OR relationship)
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edited Mar 22 '17 at 15:04
Mistalis
15.7k1313 gold badges6363 silver badges8787 bronze badges
answered...
Pad a string with leading zeros so it's 3 characters long in SQL Server 2008
...ing that is up to 3 characters long when it's first created in SQL Server 2008 R2.
17 Answers
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Replace input type=file by an image
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280
This works really well for me:
.image-upload>input {
display: none;
}
<div class...
Spring Boot application as a Service
...yapp.jar /etc/init.d/myapp
OR
sudo ln -s ~/myproject/build/libs/myapp-1.0.jar /etc/init.d/myapp_servicename
After that you can do the usual
/etc/init.d/myapp start
Then setup a link in whichever runlevel you want the app to start/stop in on boot if so desired.
As a systemd service
To ru...
Xcode Project vs. Xcode Workspace - Differences
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Stoyan
20099 bronze badges
answered Feb 8 '14 at 10:37
hagihagi
9,85433 gold badges303...
In Python how should I test if a variable is None, True or False
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120
Don't fear the Exception! Having your program just log and continue is as easy as:
try:
re...
Is it possible to Turn page programmatically in UIPageViewController?
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edited Apr 5 '16 at 7:10
answered Aug 30 '11 at 8:45
sam...
How to change MenuItem icon in ActionBar programmatically
...enu()
this.menu = menu;
In your button's onClick() method
menu.getItem(0).setIcon(ContextCompat.getDrawable(this, R.drawable.ic_launcher));
share
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improve this answer
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In C# what is the difference between a destructor and a Finalize method in a class?
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answered Jul 2 '09 at 22:30
Mehrdad AfshariMehrdad Afshari
379k8383 gold badges822822 silver badges775775 bronze badges
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