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Difference between numpy.array shape (R, 1) and (R,)
...ay to think of this is that numpy is working exactly as expected here, but Python's printing of tuples can be misleading. In the (R, ) case, the shape of the ndarray is a tuple with a single elements, so is printed by Python with a trailing comma. Without the extra comma, it would be ambiguous with ...
What's a good rate limiting algorithm?
I could use some pseudo-code, or better, Python. I am trying to implement a rate-limiting queue for a Python IRC bot, and it partially works, but if someone triggers less messages than the limit (e.g., rate limit is 5 messages per 8 seconds, and the person triggers only 4), and the next trigger is ...
How do I implement basic “Long Polling”?
...his, but it is recommended to write a "long-poll server" in something like Python's twisted, which does not rely on one thread per request. cometD is an popular one (which is available in several languages), and Tornado is a new framework made specifically for such tasks (it was built for FriendFeed...
How do I put variables inside javascript strings?
That's how you do it in python. How can you do that in javascript/node.js?
13 Answers
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Why do I get AttributeError: 'NoneType' object has no attribute 'something'?
...just assigned None to mylist. If you next try to do, say, mylist.append(1) Python will give you this error.
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Refreshing web page by WebDriver when waiting for specific condition
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In Python there is a method for doing this: driver.refresh(). It may not be the same in Java.
Alternatively, you could driver.get("http://foo.bar");, although I think the refresh method should work just fine.
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Removing cordova plugins from the project
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I do it with this python one-liner:
python -c "import subprocess as sp;[sp.call('cordova plugin rm ' + p.split()[0], shell=True) for p in sp.check_output('cordova plugin', shell=True).split('\n') if p]"
Obviously it doesn't handle any sort ...
App Inventor 2 中文网 · 项目指南
...0 App Inventor 2 Python C/C++ 简介 Scratch是麻省理工学院(MIT)面向全球青少年发布的一种...
Output first 100 characters in a string
Can seem to find a substring function in python.
8 Answers
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Redis command to get all available keys?
...re a Redis command for fetching all keys in the database? I have seen some python-redis libraries fetching them. But was wondering if it is possible from redis-client.
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