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How to determine the current shell I'm working on
How can I determine the current shell I am working on?
24 Answers
24
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Escape regex special characters in a Python string
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Use re.escape
>>> import re
>>> re.escape(r'\ a.*$')
'\\\\\\ a\\.\\*\\$'
>>> print(re.escape(r'\ a.*$'))
\\\ a\.\*\$
>>> re.escape('www.stackoverflow.com')
'www\\.stackoverflow\\.com'
>>> print(re.escape('www.s...
How to set UICollectionViewDelegateFlowLayout?
...wDelegate.
I admit it caught me off guard at first.
Oh and this will only work if self.collectionView.collectionViewLayout is actually set to your flow layout. (or set with initWithFrame:collectionViewLayout:)
share
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Need to reset git branch to origin version
I was accidentally working on a branch I shouldn't have been for a while, so I branched off of it giving it the appropriate name. Now I want to overwrite the branch I shouldn't have been on to the version from origin (github). Is there an easy way to do this? I tried deleting the branch and then ...
How to delete a record in Django models?
I want to delete a particular record. Such as
5 Answers
5
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How to git log in reverse order?
I recently learned that I can get hg log to print the history in reverse order with:
5 Answers
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What does an underscore in front of an import statement mean?
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Short answer:
It's for importing a package solely for its side-effects.
From the Go Specification:
To import a package solely for its side-effects (initialization), use the blank identifier as explicit package name:
import _ "...
Can an enum class be converted to the underlying type?
...w the underlying type, and then use cast:
#include <type_traits> //for std::underlying_type
typedef std::underlying_type<my_fields>::type utype;
utype a = static_cast<utype>(my_fields::field);
With this, you don't have to assume the underlying type, or you don't have to mentio...
Error in plot.new() : figure margins too large in R
I'm new to R but I've made numerous correlation plots with smaller data sets. However, when I try to plot a large dataset (2gb+), I can produce the plot just fine, but the legend doesn't show up. Any advice? or alternatives?
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Calling pylab.savefig without display in ipython
...ting the creation of a large set of plot files, this is often undesirable. Or in the situation that an intermediate file for external processing by another app is desired.
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