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Escaping quotes and double quotes
How do I properly escape the quotes in the -param value in the following command line?
3 Answers
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RSpec: how to test if a method was called?
...s, I find myself writing a lot of code that looks like this in order to ensure that a method was called during the execution of a test (for the sake of argument, let's just say I can't really interrogate the state of the object after the call because the operation the method performs is not easy to ...
Replace None with NaN in pandas dataframe
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You can use DataFrame.fillna or Series.fillna which will replace the Python object None, not the string 'None'.
import pandas as pd
import numpy as np
For dataframe:
df = df.fillna(value=np.nan)
For column or series:
df.mycol...
Search for selection in vim
I use vim and vim plugins for visual studio when writing C++. Often, I find myself wanting to search for a string within a function, for example every call to object->public_member.memberfunc() .
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Turn off spell checking in Eclipse for good
Every time I create a new workspace in Eclipse I have to turn off the spell checking via Preferences. (Preferences->General->Editors->Text Editors->Spelling->Enable Spell Checking)
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How to convert ActiveRecord results into an array of hashes
I have an ActiveRecord result of a find operation:
3 Answers
3
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Is it possible for a unit test to assert that a method calls sys.exit()
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Yes. sys.exit raises SystemExit, so you can check it with assertRaises:
with self.assertRaises(SystemExit):
your_method()
Instances of SystemExit have an attribute code which is set to the proposed exit status, and the context manager returned by assertRai...
How to use android emulator for testing bluetooth application?
I am developing an application which will send a request to a bluetooth printer for printing. The code is working fine for real devices, but I want to run it on the Android Emulator. How can I use the emulator for bluetooth testing?
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How do I use WebRequest to access an SSL encrypted site using https?
I'm writing a program that reads content from a user provided URL. My problem is in the code that goes something like this:
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Can Vim highlight matching HTML tags like Notepad++?
Vim has support for matching pairs of curly brackets, parentheses, and square brackets. This is great for editing C-style languages like PHP and JavaScript. But what about matching HTML tags?
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