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How can I tell PyCharm what type a parameter is expected to be?
...e. I like it when it's right, because it gives me good code-completion and parameter info, and it gives me warnings if I try to access an attribute that doesn't exist.
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pip issue installing almost any library
...] certificate verify failed (_ssl.c:600) - skipping
Could not find a version that satisfies the requirement pytest-cov (from versions: )
No matching distribution found for pytest-cov
Update April 2018:
To anyone getting the TLSV1_ALERT_PROTOCOL_VERSION error: it has nothing to do with trusted-ho...
Launch an app from within another (iPhone)
Is it possible to launch any arbitrary iPhone application from within another app?, For example in my application if I want the user to push a button and launch right into the Phone app (close the current app, open the Phone app) .
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Getting vertical gridlines to appear in line plot in matplotlib
...ghlight the tick-marks. Majors will be Blue while Minors are Red.
ax.tick_params(which='both', width=3)
ax.tick_params(which='major', length=20, color='b')
ax.tick_params(which='minor', length=10, color='r')
Now to force the grid lines to be appear also on the Minor tick-marks, pass the which='mi...
In C# check that filename is *possibly* valid (not that it exists) [duplicate]
Is there a method in the System.IO namespace that checks the validity of a filename?
14 Answers
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Can I start the iPhone simulator without “Build and Run”?
...fore I "build and run". How can I start the simulator so I can do the deletion? If I start it by "build and run" I get a long log output that takes a while because of a bug I'm trying to fix. I'd like to avoid that.
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How to get orientation-dependent height and width of the screen?
...g to programmatically determine the current height and width of my application. I use this:
11 Answers
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Processing Symbol Files in Xcode
... the device, so it becomes possible to debug on devices with that specific iOS version and also to symbolicate crash reports that happened on that iOS version.
Since symbols are CPU specific, the above only works if you have imported the symbols not only for a specific iOS device but also for a spe...
Writing Unicode text to a text file?
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In Python 2.6+, you could use io.open() that is default (builtin open()) on Python 3:
import io
with io.open(filename, 'w', encoding=character_encoding) as file:
file.write(unicode_text)
It might be more convenient if you need to write the text in...
Passing arguments to C# generic new() of templated type
...ver that will only work when you want to call the constructor which has no parameters. Not the case here. Instead you'll have to provide another parameter which allows for the creation of object based on parameters. The easiest is a function.
public static string GetAllItems<T>(..., Func...