大约有 40,000 项符合查询结果(耗时:0.0389秒) [XML]

https://stackoverflow.com/ques... 

How do I migrate a model out of one django app and into a new one?

... that one of these models should be in a separate app. I do have south installed for migrations, but I don't think this is something it can handle automatically. How can I migrate one of the models out of the old app into a new one? ...
https://stackoverflow.com/ques... 

Python time measure function

...e__, (time2-time1)*1000.0)) return ret return wrap Note I'm calling f.func_name to get the function name as a string(in Python 2), or f.__name__ in Python 3. share | improve this answ...
https://stackoverflow.com/ques... 

std::function and std::bind: what are they, and when should they be used?

...nd to get g: auto g = bind(f, _1, 4, _2); This is more concise than actually writing a functor class to do it. There are further examples in the article you link to. You generally use it when you need to pass a functor to some algorithm. You have a function or functor that almost does the job yo...
https://stackoverflow.com/ques... 

Any gotchas using unicode_literals in Python 2.6?

...wo.name The output of running python one.py is: Traceback (most recent call last): File "one.py", line 5, in <module> print name + two.name UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 4: ordinal not in range(128) In this example, two.name is an utf-8 encoded...
https://stackoverflow.com/ques... 

Is there a TRY CATCH command in Bash

... writing a shell script and need to check that a terminal app has been installed. I want to use a TRY/CATCH command to do this unless there is a neater way. ...
https://stackoverflow.com/ques... 

What's the difference between django OneToOneField and ForeignKey?

...Guide to Django: OneToOneField A one-to-one relationship. Conceptually, this is similar to a ForeignKey with unique=True, but the "reverse" side of the relation will directly return a single object. In contrast to the OneToOneField "reverse" relation, a ForeignKey "reverse" relation retur...
https://stackoverflow.com/ques... 

How to change the CHARACTER SET (and COLLATION) throughout a database?

... Do you really need to use "ALTER TABLE <table_name> MODIFY <column_name> ...". According to dev.mysql.com/doc/refman/5.5/en/alter-table.html it seems "ALTER TABLE <table_name> CONVERT TO CHARACTER SET ..." also chan...
https://stackoverflow.com/ques... 

What is the proper way to comment functions in Python?

Is there a generally accepted way to comment functions in Python? Is the following acceptable? 10 Answers ...
https://www.tsingfun.com/it/op... 

TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...及时。英文好的同学请直接看论文《TLSF: a New Dynamic Memory Allocator f 官网地址:http://www.gii.upv.es/tlsf/ 官网的代码应该是主分支,github上的几个仓库更新不是那么及时。 英文好的同学请直接看论文《TLSF: a New Dynamic Memory Allocator fo...
https://stackoverflow.com/ques... 

How do I find where an exception was thrown in C++?

I have a program that throws an uncaught exception somewhere. All I get is a report of an exception being thrown, and no information as to where it was thrown. It seems illogical for a program compiled to contain debug symbols not to notify me of where in my code an exception was generated. ...