大约有 48,000 项符合查询结果（耗时：0.0846秒） [XML]
git: undo all working dir changes including new files
...ry changes
## !! be very careful with these !!
## you may end up deleting what you don't want to
## read comments and manual.
git clean -f -d # remove untracked
git clean -f -x -d # CAUTION: as above but removes ignored files like config.
git clean -fxd :/ # CAUTION: as above, but cleans untracked ...
What is the difference between . (dot) and $ (dollar sign)?
What is the difference between the dot (.) and the dollar sign ($) ?
13 Answers
13
...
What is the difference between sed and awk? [closed]
...re complex and hard to read. The answer to your question really depends on what you're doing.
– Paused until further notice.
Aug 20 '13 at 19:52
...
C++ code file extension? .cc vs .cpp [closed]
...C, .c is a C file whereas .C is a C++ file (if you let the compiler decide what it is compiling that is).
GCC also supports other suffixes to indicate special handling, for example a .ii file will be compiled as C++, but not pre-processed (intended for separately pre-processed code). All the recogn...
What is an idiomatic way of representing enums in Go?
... uppercase letter means that variable is exported, which may or may not be what you want.
– 425nesp
Dec 19 '17 at 8:16
1
...
What is the correct MIME type to use for an RSS feed?
...portant that the community get its act together and decide what Media-type to use and start using it". Today: see my answer below for evidence that pretty much all popular feeds use text/xml.
– Kai Carver
Apr 19 '16 at 3:54
...
Why does typeof array with objects return “object” and not “array”? [duplicate]
...
Try this example and you will understand also what is the difference between Associative Array and Object in JavaScript.
Associative Array
var a = new Array(1,2,3);
a['key'] = 'experiment';
Array.isArray(a);
returns true
Keep in mind that a.length will be undefined...
Reverting single file in SVN to a particular revision
...wn below in an SVN repo that I would like to revert to a previous version. What is the way to do this in SVN? I want only downgrade this particular file to an older version, not the whole repo.
...
How to print instances of a class using print()?
...> t
Test()
>>> print(t)
member of Test
The __str__ method is what happens when you print it, and the __repr__ method is what happens when you use the repr() function (or when you look at it with the interactive prompt). If this isn't the most Pythonic method, I apologize, because I'm s...
Do sealed classes really offer performance Benefits?
...his argument to every class and suddenly you have no inheritance and guess what, the language is no longer object-oriented (but merely object-based)! [see next]
– Steven A. Lowe
Oct 14 '08 at 21:53
...