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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()}
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How do I “commit” changes in a git submodule? [duplicate]
...e. it's now full of changes that I've just realized haven't been committed or pushed anywhere.
5 Answers
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Prevent line-break of span element
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Put this in your CSS:
white-space:nowrap;
Get more information here: http://www.w3.org/wiki/CSS/Properties/white-space
white-space
The white-space property declares how white space inside the element is handled.
Values
normal
This value directs user agents to collapse...
How to change value of process.env.PORT in node.js?
I'd like to change the value of process.env.PORT , how can I do this?
4 Answers
4
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Python 3: UnboundLocalError: local variable referenced before assignment [duplicate]
The following code gives the error UnboundLocalError: local variable 'Var1' referenced before assignment :
5 Answers
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What is the boundary in multipart/form-data?
I want to ask a question about the multipart/form-data . In the HTTP header, I find that the Content-Type: multipart/form-data; boundary=??? .
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Is it possible to pass query parameters via Django's {% url %} template tag?
...y add them to the end:
<a href="{% url myview %}?office=foobar">
For Django 1.5+
<a href="{% url 'myview' %}?office=foobar">
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onNewIntent() lifecycle and registered listeners
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onNewIntent() is meant as entry point for singleTop activities which already run somewhere else in the stack and therefore can't call onCreate(). From activities lifecycle point of view it's therefore needed to call onPause() before onNewIntent(). I suggest you to...
Lisp in the real world
...found it to be a very beautiful language that I am interested in learning more about. However, it appears that Lisp is never used in serious projects, and I haven't seen it listed as a desired skill on any job posting. I am interested in hearing from anyone who has used Lisp or seen it used in the...
HTTP requests and JSON parsing in Python
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I recommend using the awesome requests library:
import requests
url = 'http://maps.googleapis.com/maps/api/directions/json'
params = dict(
origin='Chicago,IL',
destination='Los+Angeles,CA',
waypoints='Joplin,MO|Oklahoma+City,OK',
sensor='false'
)
resp = req...