大约有 40,000 项符合查询结果(耗时:0.0687秒) [XML]

https://stackoverflow.com/ques... 

How to add a custom loglevel to Python's logging facility

...for my application, as I don't think that debug() is sufficient. Additionally log(5, msg) isn't what I want. How can I add a custom loglevel to a Python logger? ...
https://stackoverflow.com/ques... 

Evaluating a mathematical expression in a string

...p://pyparsing.wikispaces.com/message/view/home/15549426 ''' __note__ = ''' All I've done is rewrap Paul McGuire's fourFn.py as a class, so I can use it more easily in other places. ''' class NumericStringParser(object): ''' Most of this code comes from the fourFn.py pyparsing example ...
https://stackoverflow.com/ques... 

KnockOutJS - Multiple ViewModels in a single View

...n as you could relay through the masterVM, or you could use the $parent / $root in bindings, or some other custom options. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

How to remove all of the data in a table using Django

... Inside a manager: def delete_everything(self): Reporter.objects.all().delete() def drop_table(self): cursor = connection.cursor() table_name = self.model._meta.db_table sql = "DROP TABLE %s;" % (table_name, ) cursor.execute(sql) ...
https://stackoverflow.com/ques... 

“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP

... can be used to detect if a variable has been already initialized. Additionally and more ideal is the solution of empty() since it does not generate a warning or error message if the variable is not initialized. From PHP documentation: No warning is generated if the variable does not exist. T...
https://stackoverflow.com/ques... 

What's the difference between a Python module and a Python package?

...stem in the reference documentation: It’s important to keep in mind that all packages are modules. – Martijn Pieters♦ Apr 23 '18 at 21:42 7 ...
https://stackoverflow.com/ques... 

SASS - use variables across multiple files

I would like to keep one central .scss file that stores all SASS variable definitions for a project. 6 Answers ...
https://stackoverflow.com/ques... 

find without recursion

...y are: # Do NOT show hidden files (beginning with ".", i.e., .*): find DirsRoot/* -maxdepth 0 -type f Or: # DO show hidden files: find DirsRoot/ -maxdepth 1 -type f share | improve this answer ...
https://stackoverflow.com/ques... 

What are the benefits of dependency injection containers?

... Dependency injection is a coding style that has its roots in the observation that object delegation is usually a more useful design pattern than object inheritance (i.e., the object has-a relationship is more useful than the object is-a relationship). One other ingredient is ...
https://stackoverflow.com/ques... 

Can't pickle when using multiprocessing Pool.map()

...nsider it "easy" or not;-) is to add the infrastructure to your program to allow such methods to be pickled, registering it with the copy_reg standard library method. For example, Steven Bethard's contribution to this thread (towards the end of the thread) shows one perfectly workable approach to a...