大约有 47,000 项符合查询结果（耗时：0.0587秒） [XML]
std::next_permutation Implementation Explanation
...s to go (ie we can "increase" the permutation by a smaller amount).
Let's now go back to the code:
while (true)
{
It j = i;
--i;
if (*i < *j)
{ // ...
}
if (i == begin)
{ // ...
}
}
From the first 2 lines in the loop, j is an element and i is the element befo...
How can I see incoming commits in git? [duplicate]
...hand for showing the commits between "the common ancestor of wherever I am now and origin" through "origin".
share
|
improve this answer
|
follow
|
...
Explain the concept of a stack frame in a nutshell
...he "frame," although this is likely architecture-dependent. The processor knows how many bytes are in each frame and moves the stack pointer accordingly as frames are pushed and popped off the stack.
EDIT:
There is a big difference between higher-level call stacks and the processor's call stack.
...
Assign multiple columns using := in data.table, by group
...
This now works in v1.8.3 on R-Forge. Thanks for highlighting it!
x <- data.table(a = 1:3, b = 1:6)
f <- function(x) {list("hi", "hello")}
x[ , c("col1", "col2") := f(), by = a][]
# a b col1 col2
# 1: 1 1 hi hello
# ...
Downloading all maven dependencies to a directory NOT in repository?
...e you need your app's dependencies for whatever reason. I'm using it right now to inspect the dependent libraries for redundant API definitions (e.g. some libraries will include Javax APIs, which can conflict with other versions of the same API), but it's also good if your app needs its dependencies...
Mipmap drawables for icons
Since Android 4.3 (Jelly Bean) we can now make use of the res/mipmap folders to store "mipmap" images.
11 Answers
...
brew update: The following untracked working tree files would be overwritten by merge:
...ntually run brew doctor again to ensure yourself that the warning is gone.
Now, you should have a
Warning: You have uncommitted modifications to Homebrew
that may bey solved by
cd /usr/local/Library && git stash && git clean -d -f
as suggested by Dr.Brew itself. The command sta...
Unix command to find lines common in two files
...nd which could print the common lines from two or more files, does anyone know its name? It was much simpler than diff .
1...
Merging: Hg/Git vs. SVN
...ercurial it is simply commit objects that can have more than one parent.
"Known Issues" subsection for merge tracking in Subversion suggests that repeated / cyclic / reflective merge might not work properly. It means that with the following histories second merge might not do the right thing ('A' c...
How to iterate over arguments in a Bash script
...
Rewrite of a now-deleted answer by VonC.
Robert Gamble's succinct answer deals directly with the question.
This one amplifies on some issues with filenames containing spaces.
See also: ${1:+"$@"} in /bin/sh
Basic thesis: "$@" is correc...