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Changing MongoDB data store directory
...sudo chown mongodb:mongodb /new/disk/mongodb/
sudo service mongod start
# test if mongodb user can access new location:
sudo -u mongodb -s cd /new/disk/mongodb/
# resolve other permissions issues if necessary
sudo usermod -a -G <newdisk_grp> mongodb
...
How to split a comma-separated string?
...
Do you test it ? because I've just wrote a program java and the string " string, with , space ".trim() return "string, with , space". Like javadoc says : returns a copy of the string, with leading and trailing whitespace ...
What is the best way to concatenate two vectors?
...in turn invalidate AB.
Because every access to an element is preceded by a test (namely, "i
< v1.size()"), VecProxy access time, although constant, is also
a bit slower than that of vectors.
This approach can be generalized to n vectors. I haven't tried, but
it shouldn't be a big deal.
...
Are Git forks actually Git clones?
...
@TestSubject528491 no, with a fork, that means you are cloning the upstream repo as your own repo on the GitHub server side. Then you can locally clone that new "fork" repo on your computer and freely push back on it, since yo...
Hibernate: Automatically creating/updating the db tables based on entity classes
....auto). You will also need the @Table annotation!
@Entity
@Table(name = "test_entity")
public class TestEntity {
}
It has already helped in my case at least 3 times - still cannot remember it ;)
PS. Read the hibernate docs - in most cases You will probably not want to set hibernate.hbm2ddl....
Get exit code of a background process
...ariable $?. It just returns the exit code and $? is the exit code of the latest foreground program.
– MindlessRanger
Jun 7 '15 at 10:52
7
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How to install Google Play Services in a Genymotion VM (with no drag and drop support)?
...Apps. To install Google Apps:
Upgrade Genymotion and VirtualBox to the latest version.
Download two zip files:
- ARM Translation Installer v1.1
- Google Apps for your Android version: 2.3.7 - 4.4.4 or 4.4 - 6.0 (with platform and variant) You can also find the GApps list in the wbroek user GitHu...
Bind a function to Twitter Bootstrap Modal Close
... new project and I want for part of the page to refresh and retrieve the latest json data on modal close. I dont see this anywhere in the documentation can someone point it out to me or suggest a solution.
...
Are static methods inherited in Java?
...m.out.println("Inside static method of this class");
}
}
public class Test {
public static void main(String[] args) {
B b = new B();
// prints: Inside static method of this class
b.display();
A a = new B();
// prints: Inside static method of supercla...
“Single-page” JS websites and SEO
...nd in these two blog posts:
http://lostechies.com/derickbailey/2011/09/06/test-driving-backbone-views-with-jquery-templates-the-jasmine-gem-and-jasmine-jquery/
and
http://lostechies.com/derickbailey/2011/06/22/rendering-a-rails-partial-as-a-jquery-template/
The gist of it is that I use ERB or HA...