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`elif` in list comprehension conditionals
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Python's conditional expressions were designed exactly for this sort of use-case:
>>> l = [1, 2, 3, 4, 5]
>>> ['yes' if v == 1 else 'no' if v == 2 else 'idle' for v in l]
['yes', 'no', 'idle', 'idle', 'idle']
Hope this helps :-)
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Matplotlib different size subplots
...I can adjust the first figure using the figsize argument in the constructor, but how do I change the size of the second plot?
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How to not run an example using roxygen2?
...roxygen2 problem. I don't think \example{} is valid -- see cran.r-project.org/doc/manuals/…
– GSee
Apr 1 '13 at 21:27
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Android update activity UI from service
I have a service which is checking for new task all the time. If there is new task, I want to refresh the activity UI to show that info.
I did find https://github.com/commonsguy/cw-andtutorials/tree/master/18-LocalService/ this example. Is that a good approch ? Any other examples?
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Load image from url
...zrate-images.com/resize?sq=60&uid=2216744464");
Bitmap bmp = BitmapFactory.decodeStream(url.openConnection().getInputStream());
imageView.setImageBitmap(bmp);
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How to go back to previous page if back button is pressed in WebView?
...have an app in which I have a WebView where I display some websites. It works, clicking a link in the webpage goes to the next page in the website inside my app. But when I click the phone's back button, it takes me straight into my app. I want to go back to the previous page in the website inste...
Where is PHP.ini in Mac OS X Lion? Thought it was in /usr/local/php5/lib
...b sharing, installed MySQL etc.
I can't seem to find my PHP files, most importantly, PHP.ini.
12 Answers
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in iPhone App How to detect the screen resolution of the device
...tire screen's resolution in points, so it would most typically be 320x480 for iPhones. Even though the iPhone4 has a much larger screen size iOS still gives back 320x480 instead of 640x960. This is mostly because of older applications breaking.
CGFloat screenScale = [[UIScreen mainScreen] scale];
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Adding a legend to PyPlot in Matplotlib in the simplest manner possible
...d(loc='upper left').
Consider this sample (tested with Python 3.8.0):
import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0, 20, 1000)
y1 = np.sin(x)
y2 = np.cos(x)
plt.plot(x, y1, "-b", label="sine")
plt.plot(x, y2, "-r", label="cosine")
plt.legend(loc="upper left")
plt.ylim(-1.5...
Kotlin secondary constructor
How do I declare a secondary constructor in Kotlin?
12 Answers
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