大约有 11,000 项符合查询结果(耗时:0.0180秒) [XML]

https://stackoverflow.com/ques... 

How to convert floats to human-readable fractions?

Let's say we have 0.33 , we need to output 1/3 . If we have 0.4 , we need to output 2/5 . 26 Answers ...
https://stackoverflow.com/ques... 

Disable all gcc warnings

I'm working on a project that will read compiler error messages of a particular variety and do useful things with them. The sample codebase I'm testing this on (a random open-source application), and hence rebuilding frequently, contains a few bits that generate warnings, which are of no interest to...
https://stackoverflow.com/ques... 

What does the construct x = x || y mean?

... It means the title argument is optional. So if you call the method with no arguments it will use a default value of "Error". It's shorthand for writing: if (!title) { title = "Error"; } This kind of shorthand trick with boolean expressions is common in Perl too. W...
https://stackoverflow.com/ques... 

Common use-cases for pickle in Python

...d at the pickle documentation, but I don't understand where pickle is useful. 9 Answers ...
https://stackoverflow.com/ques... 

Angularjs prevent form submission when input validation fails

I'm writing a simple login form using angularjs with some client side input validation to check that the user name and password is not empty and longer than three characters. See the below code: ...
https://stackoverflow.com/ques... 

Convert xlsx to csv in Linux with command line

I'm looking for a way to convert xlsx files to csv files on Linux. 10 Answers 10 ...
https://stackoverflow.com/ques... 

Getting the exception value in Python

... 7 Answers 7 Active ...
https://stackoverflow.com/ques... 

Git - How to use .netrc file on Windows to save user and password

Is it possible to use a .netrc file on Windows when I'm using Git to clone a remote repository with HTTP and user - password? ...
https://stackoverflow.com/ques... 

multiprocessing.Pool: When to use apply, apply_async or map?

I have not seen clear examples with use-cases for Pool.apply , Pool.apply_async and Pool.map . I am mainly using Pool.map ; what are the advantages of others? ...
https://stackoverflow.com/ques... 

How do I 'git diff' on a certain directory?

git diff actually runs a diff on all source code. How do I do this on a certain directory, so that I can view modifications on files underneath it? ...