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Access nested dictionary items via a list of keys?
... the dictionary:
from functools import reduce # forward compatibility for Python 3
import operator
def getFromDict(dataDict, mapList):
return reduce(operator.getitem, mapList, dataDict)
and reuse getFromDict to find the location to store the value for setInDict():
def setInDict(dataDict, mapL...
Reverse / invert a dictionary mapping
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For Python 2.7.x
inv_map = {v: k for k, v in my_map.iteritems()}
For Python 3+:
inv_map = {v: k for k, v in my_map.items()}
share
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Multiple constructors in python? [duplicate]
Is it not possible to define multiple constructors in Python, with different signatures? If not, what's the general way of getting around it?
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How to find if directory exists in Python
In the os module in Python, is there a way to find if a directory exists, something like:
13 Answers
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Python argparse: Make at least one argument required
I've been using argparse for a Python program that can -process , -upload or both:
11 Answers
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Daemon Threads Explanation
In the Python documentation
it says:
7 Answers
7
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Single TextView with multiple colored text
...eded my text to be in uppercase. I was using android:textAllCaps="true" in XML and, at the same time, had my HTML content in uppercase. It wasn't working. I removed the XML attribute and it's now working fine. Be carefull, because if you use setAllCaps() in code, the same issue will appear.
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How to enumerate a range of numbers starting at 1
I am using Python 2.5, I want an enumeration like so (starting at 1 instead of 0):
12 Answers
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How do you automate Javascript minification for your Java web applications?
...nd Yahoo compressor and include this file in different web projects.
<?xml version="1.0" encoding="UTF-8"?>
<!-- CSS and JS minifier. -->
<!DOCTYPE project>
<project name="minifier" basedir=".">
<property name="gc" value="compiler-r1592.jar" />
<property name="...
How do I remove the “extended attributes” on a file in Mac OS X?
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Because the errors drove me nuts too...
On a mac if you install xattr in python, then your environment may have an issue.
There are two different paths on my mac for xattr
type -a xattr
# xattr is /usr/local/bin/xattr # PYTHON Installed Version
# xattr is /usr/bin/xattr ...