大约有 47,000 项符合查询结果（耗时：0.0523秒） [XML]
bash: shortest way to get n-th column of output
...
You can go one step further and define D to be:
alias -g D="|xargs rm"
Now you can type:
cat file X1 D
to delete all files mentioned in the first column of file "file".
If you know the bash, the zsh is not much of a change except for some new features.
HTH Chris
...
When to use lambda, when to use Proc.new?
...ues on the next line
return "Jason"
end
whowouldwin
#=> "Jason"
Now here's a Proc.new-created proc's return doing the same thing. You're about to see one of those cases where Ruby breaks the much-vaunted Principle of Least Surprise:
def whowouldwin2
myproc = Proc.new {return "Freddy"}...
How to run multiple Python versions on Windows
... name given. When it finds the correct file to run the file is being run.
Now, if you've installed two python versions 2.5 and 2.6, the path will have both of their directories in it, something like PATH=c:\python\2.5;c:\python\2.6 but Windows will stop examining the path when it finds a match.
Wh...
When should I use a trailing slash in my URL?
...te *nix-style file systems. That may have originally served a purpose, but now much less so.
– speedplane
Jun 4 '16 at 7:09
|
show 3 more co...
What techniques can be used to define a class in JavaScript, and what are their trade-offs?
...refer to use OOP in large scale projects like the one I'm working on right now. I need to create several classes in JavaScript but, if I'm not mistaken, there are at least a couple of ways to go about doing that. What would be the syntax and why would it be done in that way?
...
REST API error return good practices [closed]
... a REST API. I'm working on a new API so I can take it any direction right now. My content type is XML at the moment, but I plan to support JSON in future.
...
Change branch base
...^..commit5 # cherry-pick range of commits
# note the '^' after commit4
Now, if all is ok, then do force (-f) push to remote PRO branch and delete local PRO.bac branch:
$ git log # check the commit history
$ git push -f origin HEAD # replace the remote PRO by local PRO branch ...
Differences between unique_ptr and shared_ptr [duplicate]
... Okay
unique_ptr<T> myOtherPtr = std::move(myPtr); // Okay, resource now stored in myOtherPtr
Similarly, you can do something like this:
unique_ptr<T> MyFunction() {
unique_ptr<T> myPtr(/* ... */);
/* ... */
return myPtr;
}
This idiom means "I'm returning a manag...
When should I use Arrow functions in ECMAScript 6?
...a mid-sized AngularJS app) to JavaScript compiled using Traceur Babel. I'm now using the following rule of thumb for functions in ES6 and beyond:
Use function in the global scope and for Object.prototype properties.
Use class for object constructors.
Use => everywhere else.
Why use arrow func...
Android studio using > 100% CPU at all times - no background processes appear to be running
...S seemed to have a HUGE impact toward the high cpu usage - it was 150% and now it's 20%, more or less.
I'm on OS X
Go to: Preferences > Version Control > Background. Now listed under 'Background Operations' are 6 options.
I disabled the first three options which are:
Perform update on VC...