大约有 47,000 项符合查询结果(耗时:0.0448秒) [XML]

https://stackoverflow.com/ques... 

Move assignment operator and `if (this != &rhs)`

... array of the same size and then deallocate the old one of the same size! Now for your clients who actually want strong exception safety: template <class C> C& strong_assign(C& lhs, C rhs) { swap(lhs, rhs); return lhs; } Or maybe if you want to take advantage of move assign...
https://stackoverflow.com/ques... 

List passed by ref - help me explain this behaviour

...asses a reference to the local-variable myRef (as declared in TestMethod); now, if you reassign the parameter inside ChangeList you are also reassigning the variable inside TestMethod. share | impro...
https://stackoverflow.com/ques... 

Stashing only staged changes in git - is it possible?

...king directory (still in state staged). Run git stash push -m "good stash" Now your "good stash" has ONLY staged files. Now if you need unstaged files before stash, simply apply first stash (the one created with --keep-index) and now you can remove files you stashed to "good stash". Enjoy ...
https://stackoverflow.com/ques... 

How to create an AVD for Android 4.0

Android 4.0 is now released. I have just updated my ADT plugin and downloaded the 4.0 SDK. But when I try to create an AVD for Android 4.0, Eclipse tells me 'Unable to find a 'userdata.img' file for ABI armeabi to copy into the AVD folder'. ...
https://stackoverflow.com/ques... 

How do you remove an invalid remote branch reference from Git?

... You might be needing a cleanup: git gc --prune=now or you might be needing a prune: git remote prune public prune Deletes all stale tracking branches under <name>. These stale branches have already been removed from the remote repository referenced by &...
https://stackoverflow.com/ques... 

How to get the start time of a long-running Linux process?

...iffies to seconds for details. awk -v ticks="$(getconf CLK_TCK)" 'NR==1 { now=$1; next } END { printf "%9.0f\n", now - ($20/ticks) }' /proc/uptime RS=')' /proc/12345/stat This should give you seconds, which you can pass to strftime() to get a (human-readable, or otherwise) timestamp. awk -v ...
https://stackoverflow.com/ques... 

Code coverage with Mocha

... the following, after you get your mocha tests to pass: npm install nyc Now, simply place the command nyc in front of your existing test command, for example: { "scripts": { "test": "nyc mocha" } } share ...
https://stackoverflow.com/ques... 

How do I expire a PHP session after 30 minutes?

...of the last activity of the user but update that value with every request. Now if the difference of that time to the current time is larger that 1800 seconds, the session has not been used for more than 30 minutes. – Gumbo Aug 9 '10 at 16:37 ...
https://stackoverflow.com/ques... 

Unknown provider: $modalProvider

...aven't created or included that dependency. In this case, $modal isn't a known service. It sounds like you didn't pass in ui-bootstrap as a dependency when bootstrapping angular. angular.module('myModule', ['ui.bootstrap']); Also, be sure you are using the latest version of ui-bootstrap (0.6.0), ju...
https://stackoverflow.com/ques... 

Why can a class not be defined as protected?

... As you know default is for package level access and protected is for package level plus non-package classes but which extends this class (Point to be noted here is you can extend the class only if it is visible!). Let's put it in th...