大约有 270 项符合查询结果（耗时：0.0113秒） [XML]
Access lapply index names inside FUN
...ormance loss? Yes! here are the benchmarks:
> x <- as.list(seq_len(1e6))
> system.time( y <- lapply(x, function(x){parent.frame()$i[]}) )
user system elapsed
2.38 0.00 2.37
> system.time( y <- lapply(x, function(x){parent.frame()$i[]}) )
user system elapsed
2.45 0.00 2.45
> sy...
What would be C++ limitations compared C language? [closed]
... community wiki
5 revs, 2 users 96%Pete Kirkham
21
...
How do I check out a remote Git branch?
...jects: 100% (69/69), done.
From https://github.com/githubuser/repo-name
e6ef1e0..5029161 develop -> origin/develop
* [new branch] demo -> origin/demo
d80f8d7..359eab0 master -> origin/master
$ git checkout demo
Branch demo set up to track remote branch demo from ...
Combining multiple git repositories
... SVN import it may fail with a message like:
Rewrite 422a38a0e9d2c61098b98e6c56213ac83b7bacc2 (1/42)mv: cannot stat `/home/.../wikis/nodows/.git-rewrite/t/../index.new': No such file or directory
In this case you need to exclude the initial revision from the filter-branch - i.e. change the HEAD a...
How do MySQL indexes work?
... community wiki
5 revs, 3 users 96%clarete
2
...
How to initialize an array's length in JavaScript?
... F8, G8, H8],
// [A7, B7, C7, D7, E7, F7, G7, H7],
// [A6, B6, C6, D6, E6, F6, G6, H6],
// [A5, B5, C5, D5, E5, F5, G5, H5],
// [A4, B4, C4, D4, E4, F4, G4, H4],
// [A3, B3, C3, D3, E3, F3, G3, H3],
// [A2, B2, C2, D2, E2, F2, G2, H2],
// [A1, B1, C1, D1, E1, F1, G1, H1] ]
...
bower init - difference between amd, es6, globals and node
... community wiki
5 revs, 2 users 96%Gianluca Casati
1
...
How to recover a dropped stash in Git?
...his:
$ git stash pop
[...]
Dropped refs/stash@{0} (2ca03e22256be97f9e40f08e6d6773c7d41dbfd1)
(Note that git stash drop also produces the same line.)
To get that stash back, just run git branch tmp 2cae03e, and you'll get it as a branch. To convert this to a stash, run:
git stash apply tmp
git s...
Use CSS3 transitions with gradient backgrounds
...linear-gradient(to right, rgba(0,0,255,0.75),rgba(255,0,0,0.69375));}
96% {background:linear-gradient(to right, rgba(0,0,255,0.75), rgba(255,0,0,0.7125));}
98% {background:linear-gradient(to right, rgba(0,0,255,0.75), rgba(255,0,0,0.73125),);}
100% {background:linear-gradient(to rig...
How to pretty print nested dictionaries?
....__dict__, sort_keys=True, indent=4) #TypeError: <object at 0x0000000002E6A748> is not JSON serializable
– tponthieux
Feb 8 '12 at 23:30
...