大约有 10,700 项符合查询结果（耗时：0.0414秒） [XML]
“continue” in cursor.forEach()
...n and then skip the element if I don't have to do the operation on it so I can save some time.
5 Answers
...
How to git clone a specific tag
... .git)
repo_tag=0.5
git clone --single-branch $repo_url # using --depth 1 can show no tags
git --work-tree=$repo_dir --git-dir=$repo_dir/.git checkout tags/$repo_tag
Note: Since Git 1.8.5, you can use -C <path>, instead of --work-tree and --git-dir.
...
Moving default AVD configuration folder (.android)
...e answer.
Move .android folder to E:\Android
Create environment variable called
ANDROID_SDK_HOME and set its value to
E:\Android
Setting the environment variable on Windows XP or Windows 7:
Right-click on My Computer and choose "Properties"
Click the "Advanced" tab
Click the button "Environmen...
Reload .profile in bash shell script (in unix)?
...'m new to bash shell scripting, and have come across a challenge. I know I can reload my ".profile" file by just doing:
5 A...
What does [:] mean?
...
Just in case: the slice returns a shallow copy.
– André Caron
May 29 '11 at 15:45
4
...
Do browsers send “\r\n” or “\n” or does it depend on the browser?
...essage-header fields is the sequence CRLF. However, we recommend that applications, when parsing such headers, recognize a single LF as a line terminator and ignore the leading CR.
I think that is a good strategy in general: be strict about what you produce but liberal in what you accept. You shou...
How to split a sequence into two pieces by predicate?
How do I split a sequence into two lists by a predicate?
6 Answers
6
...
What is process.env.PORT in Node.js?
...
In many environments (e.g. Heroku), and as a convention, you can set the environment variable PORT to tell your web server what port to listen on.
So process.env.PORT || 3000 means: whatever is in the environment variable PORT, or 3000 if there's nothing there.
So you pass that app.l...
Default value in Go's method
...alue in Go's function? I am trying to find this in the documentation but I can't find anything that specifies that this is even possible.
...
Testing Abstract Classes
... classes doesn't necessary mean testing the interface, as abstract classes can have concrete methods, and this concrete methods can be tested.
It is not so uncommon, when writing some library code, to have certain base class that you expect to extend in your application layer. And if you want to m...