大约有 16,350 项符合查询结果（耗时：0.0544秒） [XML]
Automatic prune with Git fetch or pull
If someone deleted a remote branch because the work is over and I don't know, I won't do a git fetch --prune and eventually I will push back the deleted branch.
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Using custom std::set comparator
I am trying to change the default order of the items in a set of integers to be lexicographic instead of numeric, and I can't get the following to compile with g++:
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How can I use redis with Django?
...che but how exactly does it work? Is it used as a layer between django and my rdbms, by caching the rdbms queries somehow?
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SQLAlchemy: Creating vs. Reusing a Session
Just a quick question: SQLAlchemy talks about calling sessionmaker() once but calling the resulting Session() class each time you need to talk to your DB. For me that means the second I would do my first session.add(x) or something similar, I would first do
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How to set custom location for local installation of npm package?
Is it possible to specify a custom package destination for npm install , either through a command flag or environment variable?
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Getting attributes of Enum's value
I would like to know if it is possible to get attributes of the enum values and not of the enum itself? For example, suppose I have the following enum :
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Best way to implement request throttling in ASP.NET MVC?
We're experimenting with various ways to throttle user actions in a given time period :
3 Answers
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Why use argparse rather than optparse?
I noticed that the Python 2.7 documentation includes yet another command-line parsing module. In addition to getopt and optparse we now have argparse .
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what does the __file__ variable mean/do?
...ard-wire these with the actual path. But there is a reason for these statements that determine path at runtime, and I would really like to understand the os.path module so that I can start using it.
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Flask SQLAlchemy query, specify column names
How do I specify the column that I want in my query using a model (it selects all columns by default)? I know how to do this with the sqlalchmey session: session.query(self.col1) , but how do I do it with with models? I can't do SomeModel.query() . Is there a way?
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