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Recommended way to get hostname in Java
...iable through System.getenv()
Execute hostname and read the response
Read /etc/hostname (to do this I'm executing cat since the snippet already contains code to execute and read. Simply reading the file would be better, though).
The code:
public static void main(String[] args) throws IOException...
Export CSS changes from inspector (webkit, firebug, etc)
... refersh. So you will lose changes if you accidentally refresh / close tab etc.
– tomblah
Jul 23 '14 at 9:37
How does ...
ggplot2 plot without axes, legends, etc
...
Re: changing opts to theme etc (for lazy folks):
theme(axis.line=element_blank(),
axis.text.x=element_blank(),
axis.text.y=element_blank(),
axis.ticks=element_blank(),
axis.title.x=element_blank(),
axis.title.y=element_bl...
Why doesn't os.path.join() work in this case?
...his is the primary purpose for folks using os.path.join. e.g. '/'.join(['/etc/', '/conf']) results in three slashes: '/etc///conf'
– Dustin Rasener
Jul 31 '12 at 14:03
18
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Draw text in OpenGL ES
...der text on top of the rendered frame (like a HUD with the player´s score etc). The text would need to use a custom font also.
...
What is the most efficient/elegant way to parse a flat table into a tree?
...Closure Table in my presentation Models for Hierarchical Data with SQL and PHP and in my book SQL Antipatterns: Avoiding the Pitfalls of Database Programming.
CREATE TABLE ClosureTable (
ancestor_id INT NOT NULL REFERENCES FlatTable(id),
descendant_id INT NOT NULL REFERENCES FlatTable(id),
...
Changing java platform on which netbeans runs
...ns by modifying the config file:
Open netbeans.conf file available under etc folder inside the NetBeans installation.
Modify the netbeans_jdkhome variable to point to new JDK path, and then
Restart your Netbeans.
share
...
Logging best practices [closed]
...on errors, e.g. error 5178 means your database connection string is wrong, etc.
Event id's should follow some kind of structure (similar to the Theory of Reply Codes used in email and HTTP), which allows you to treat them by category without knowing specific codes.
e.g. The first digit can detail ...
How can I do DNS lookups in Python, including referring to /etc/hosts?
...l do my DNS lookups very nicely, but it entirely ignores the contents of /etc/hosts .
6 Answers
...
Gradle finds wrong JAVA_HOME even though it's correctly set
...check if its just a symlink
ls -la /usr/bin/javac
/usr/bin/javac -> /etc/alternatives/javac # its a symlink so check again
ls -la /etc/alternatives/javac # now check if its just a symlink
/etc/alternatives/javac -> /usr/lib/jvm/java-8-openjdk-amd64/bin/javac
OK so finally found the b...