大约有 43,000 项符合查询结果（耗时：0.0516秒） [XML]
What is the `data-target` attribute in Bootstrap 3?
... By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy
...
Preferred Java way to ping an HTTP URL for availability
...at if the DNS is down? Google DNS (e.g.
8.8.8.8) is the largest public DNS service in the world. As of 2013 it serves 130 billion requests a day. Let ‘s just say, your app not
responding would probably not be the talk of the day.
read the link. its seems very good
EDIT:
in my exp of using it, i...
ExecutorService, how to wait for all tasks to finish
What is the simplest way to to wait for all tasks of ExecutorService to finish? My task is primarily computational, so I just want to run a large number of jobs - one on each core. Right now my setup looks like this:
...
Futures vs. Promises
... By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy
...
How can I export the schema of a database in PostgreSQL?
... i replaced the data folder with the old one, then i started the service, opened the pgAdmin III application, clicked on the server icon [i got only 1 server, the previous one]. Shall i create a new server? Cause it doesn't work...I still see the databases i had i created at the beginning....
How to configure postgresql for the first time?
... postgres md5
Restart postgreSQL:
sudo service postgresql restart
Create a new database
sudo –u postgres createdb mytestdb
Run psql with the postgres user again:
psql –U postgres –W
List the existing databases (your new database should be there now...
How to get the name of a class without the package?
... By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy
...
Pull remote branch into local repo with different name?
... By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy
...
How to get form field's id in Django?
... By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy
...
How to locate the vimrc file used by vim editor?
... By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy
...