大约有 4,761 项符合查询结果（耗时：0.0204秒） [XML]
Using module 'subprocess' with timeout
Here's the Python code to run an arbitrary command returning its stdout data, or raise an exception on non-zero exit codes:
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How to detect online/offline event cross-browser?
I'm trying to accurately detect when the browser goes offline, using the HTML5 online and offline events.
14 Answers
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Running a cron job at 2:30 AM everyday
How to configure a cron job to run every night at 2:30? I know how to make it run at 2, but not 2:30.
6 Answers
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How to apply a function to two columns of Pandas dataframe
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Here's an example using apply on the dataframe, which I am calling with axis = 1.
Note the difference is that instead of trying to pass two values to the function f, rewrite the function to accept a pandas Series object, and then index the Series to g...
How to join components of a path when you are constructing a URL in Python
...oesn't want to preserve "absolute URLs" in the join (which is one of the key jobs of urlparse.urljoin;-), I'd recommend avoiding that. os.path.join would also be bad, for exactly the same reason.
So, I'd use something like '/'.join(s.strip('/') for s in pieces) (if the leading / must also be ignor...
Heatmap in matplotlib with pcolor?
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This is late, but here is my python implementation of the flowingdata NBA heatmap.
updated:1/4/2014: thanks everyone
# -*- coding: utf-8 -*-
# <nbformat>3.0</nbformat>
# -------------------------------------------------------------------...
How to remove elements from a generic list while iterating over it?
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Iterate your list in reverse with a for loop:
for (int i = safePendingList.Count - 1; i >= 0; i--)
{
// some code
// safePendingList.RemoveAt(i);
}
Example:
var list = new List<int>(Enumerable.Range(1, 10));
for ...
Django Rest Framework: Dynamically return subset of fields
...for Designing a Pragmatic RESTful API , I would like to add a fields query parameter to a Django Rest Framework based API which enables the user to select only a subset of fields per resource.
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How do I update a formula with Homebrew?
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I think the correct way to do is
brew upgrade mongodb
It will upgrade the mongodb formula. If you want to upgrade all outdated formula, simply
brew upgrade
sha...
What's the point of const pointers?
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const is a tool which you should use in pursuit of a very important C++ concept:
Find bugs at compile-time, rather than run-time, by getting the compiler to enforce what you mean.
Even though it doesn't change the functionality, adding const...