大约有 8,300 项符合查询结果（耗时：0.0182秒） [XML]
Local variables in nested functions
...
The nested function looks up variables from the parent scope when executed, not when defined.
The function body is compiled, and the 'free' variables (not defined in the function itself by assignment), are verified, then bound as closu...
Can you grab or delete between parentheses in vi/vim?
Given this line of code in C:
7 Answers
7
...
Make: how to continue after a command fails?
...nd $ make all gives errors such as rm: cannot remove '.lambda': No such file or directory so it stops. I want it to ignore the rm-not-found-errors. How can I force-make?
...
How can I format a decimal to always show 2 decimal places?
...
I suppose you're probably using the Decimal() objects from the decimal module? (If you need exactly two digits of precision beyond the decimal point with arbitrarily large numbers, you definitely should be, and that's what your question's title suggests...)
If so, the Decimal FA...
Are inline virtual functions really a non-sense?
I got this question when I received a code review comment saying virtual functions need not be inline.
13 Answers
...
Can a decorator of an instance method access the class?
I have something roughly like the following. Basically I need to access the class of an instance method from a decorator used upon the instance method in its definition.
...
How to copy a directory structure but only include certain files (using windows batch files)
...ys, how can I recursively copy a directory structure but only include some files. E.g given the following directory structure:
...
What is the most efficient/elegant way to parse a flat table into a tree?
Assume you have a flat table that stores an ordered tree hierarchy:
14 Answers
14
...
What are some uses of template template parameters?
I've seen some examples of C++ using template template parameters (that is templates which take templates as parameters) to do policy-based class design. What other uses does this technique have?
...
Unicode (UTF-8) reading and writing to files in Python
I'm having some brain failure in understanding reading and writing text to a file (Python 2.4).
14 Answers
...