大约有 48,000 项符合查询结果(耗时:0.0522秒) [XML]
How do I print the type of a variable in Rust?
... :? has for quite a long time now been manually implemented. But more importantly, the std::fmt::Debug implementation (for that is what :? uses) for number types no longer includes a suffix to indicate which type it is of.
– Chris Morgan
May 2 '15 at ...
Undo git pull, how to bring repos to old state
...
|
show 2 more comments
352
...
Python: Tuples/dictionaries as keys, select, sort
...ementing 2d arrays, at least when something like numpy or a database isn't more appropriate. So in short, I think you've got a good approach.
Note that you can't use dicts as keys in a dict without doing some extra work, so that's not a very good solution.
That said, you should also consider name...
Argparse optional positional arguments?
...
Use nargs='?' (or nargs='*' if you will need more than one dir)
parser.add_argument('dir', nargs='?', default=os.getcwd())
extended example:
>>> import os, argparse
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('-v', actio...
Convert python datetime to epoch with strftime
...
|
show 16 more comments
101
...
Passing arguments to angularjs filters
...
If I could upvote this more than once, I'd make sure it was the most upvoted answer in the history of SO. This has been bugging the shit out of me for years... and then I find the (now 2 year old) answer... Thank you so incredibly much.
...
How to export revision history from mercurial or git to cvs?
...l but it helps to make your revision history that's imported from CVS look more git-like (see man git-cvsimport for more info on how this is set up).
Depending on the size and history of the CVS repository, this first import will take a VERY long time. You can add a -v to the above command if you w...
How to create a temporary directory?
...
For a more robust solution i use something like the following. That way the temp dir will always be deleted after the script exits.
The cleanup function is executed on the EXIT signal. That guarantees that the cleanup function is ...
Which commit has this blob?
...e bug in the upper shell script. The while loop only executes if there are more lines to read, and for whatever reason git log is not putting a final crlf on the end. I had to add a linefeed and ignore blank lines. obj_name="$1" shift git log --all --pretty=format:'%T %h %s %n' -- "$@" | while rea...
