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Undo git stash pop that results in merge conflict
...ing I was on an old topic branch. To transfer them, I wanted to stash them and then apply them to a new branch off of master. I used git stash pop to transfer work-in-progress changes to this new branch, forgetting that I hadn't pulled new changes into master before creating the new branch. This r...
How to show line number when executing bash script
I have a test script which has a lot of commands and will generate lots of output, I use set -x or set -v and set -e , so the script would stop when error occurs. However, it's still rather difficult for me to locate which line did the execution stop in order to locate the problem.
Is there a m...
What does the caret operator (^) in Python do?
I ran across the caret operator in python today and trying it out, I got the following output:
5 Answers
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Django - what is the difference between render(), render_to_response() and direct_to_template()?
Whats the difference (in language a python/django noob can understand) in a view between render() , render_to_response() and direct_to_template() ?
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Matplotlib scatterplot; colour as a function of a third variable
...rt numpy as np
import matplotlib.pyplot as plt
# Generate data...
x = np.random.random(10)
y = np.random.random(10)
# Plot...
plt.scatter(x, y, c=y, s=500)
plt.gray()
plt.show()
Or, if you'd prefer a wider range of colormaps, you can also specify the cmap kwarg to scatter. To use the reverse...
Change working directory in my current shell context when running Node script
...
Oops. Ya, that is the command I am actually using. However, when I use it in a simple script it still does not seem to work (once the script exits I am still in the old directory) If I call process.cwd() it says I am in the directory I should be but ...
What are “sugar”, “desugar” terms in context of Java 8?
I hear about 'sugaring' and 'desugaring' more often in Java 8, what does these terms mean ? are they conceptual or syntactical.
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How to remove all callbacks from a Handler?
I have a Handler from my sub-Activity that was called by the main Activity . This Handler is used by sub-classes to postDelay some Runnables, and I can't manage them. Now, in the onStop event, I need to remove them before finishing the Activity (somehow I called finish() , but it still call ...
Why does the C++ map type argument require an empty constructor when using []?
..., among other things, they should be default-constructible.
Without this (and others requirements) it would be needlessly hard to implement the various internal copy/move/swap/compare operations on the data structures with which STL containers are implemented.
Upon reference to the C++ Standard, ...
datetime dtypes in pandas read_csv
...ype to be set for read_csv as csv files can only contain strings, integers and floats.
Setting a dtype to datetime will make pandas interpret the datetime as an object, meaning you will end up with a string.
Pandas way of solving this
The pandas.read_csv() function has a keyword argument called p...