大约有 13,065 项符合查询结果（耗时：0.0426秒） [XML]
How do I create an immutable Class?
I am working on creating an immutable class.
I have marked all the properties as read-only.
6 Answers
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Should I use Python 32bit or Python 64bit
I have a win7 64bit installation. Must I use Python 64bit? What are the differences between the 32bit and 64bit Python versions anyway? Do different Python packages (such as south, django, mysqldb etc) support only 32bit/64bit?
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SQL Server Output Clause into a scalar variable
...y "simple" way to do this or I need to pass by a table variable with the "OUTPUT ... INTO" syntax?
3 Answers
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How to get exit code when using Python subprocess communicate method?
How do I retrieve the exit code when using Python's subprocess module and the communicate() method?
5 Answers
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What is this crazy C++11 syntax ==> struct : bar {} foo {};?
What could this possibly mean in C++11?
2 Answers
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Inspect element that only appear when other element is mouse overed/entered
...pect an element (e.g. tooltip) that only appears when another element is mouse overed/entered. The element that appears, is made visible via jQuery's mouseenter event.
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Plot logarithmic axes with matplotlib in python
I want to plot a graph with one logarithmic axis using matplotlib.
6 Answers
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Reset the database (purge all), then seed a database
Is there a rake command to wipe out the data in the database tables?
6 Answers
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How to switch back to 'master' with git?
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You need to checkout the branch:
git checkout master
See the Git cheat sheets for more information.
Edit: Please note that git does not manage empty directories, so you'll have to manage them yourself. If your directory is ...
error: ‘NULL’ was not declared in this scope
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NULL is not a keyword. It's an identifier defined in some standard headers. You can include
#include <cstddef>
To have it in scope, including some other basics, like std::size_t.
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