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Java synchronized static methods: lock on object or class
The Java documentation says:
8 Answers
8
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Where is Maven' settings.xml located on mac os?
...17-04-04T03:39:06+08:00)
Maven home: /usr/local/Cellar/maven/3.5.0/libexec
Java version: 1.8.0_121, vendor: Oracle Corporation
Java home: /Library/Java/JavaVirtualMachines/jdk1.8.0_121.jdk/Contents/Home/jre
Default locale: zh_CN, platform encoding: UTF-8
OS name: "mac os x", version: "10.11.5", arch...
Best way to define error codes/strings in Java?
I am writing a web service in Java, and I am trying to figure out the best way to define error codes and their associated error strings . I need to have a numerical error code and an error string grouped together. Both the error code and error string will be sent to the client accessing the web ser...
Dynamically Changing log4j log level
...logging level as well, and it worked
passed this as JVM parameter (I use Java 1.7)
Sorry this won't dynamically change the logging level, it requires a restart of the service
java -Dlogging.level=DEBUG -cp xxxxxx.jar xxxxx.java
in the log4j.properties file, I added this entry
log4j.rootLogg...
What are some uses of template template parameters?
...hould not care what's their "types" or meaning, following works well in C++98: template<template<class, class> class C, class T, class U> void f(C<T, U> &v)
– pfalcon
Jan 14 '13 at 2:13
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How does akka compare to Erlang? [closed]
...ss GC - Akka uses JVM GCs
Erlang has OTP - Akka integrates with the entire Java ecosystem (Apache Camel, JAX-RS,
etc etc)
Erlang does the process
scheduling for you - Akka allows you
to use many different Dispatchers
with endless configuration
opportunities
Erlang does hot code
reload - Akka can sup...
What is the idiomatic way to compose a URL or URI in Java?
How do I build a URL or a URI in Java? Is there an idiomatic way, or libraries that easily do this?
7 Answers
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Convert Existing Eclipse Project to Maven Project
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Start from m2e 0.13.0 (if not earlier than), you can convert a Java project to Maven project from the context menu. Here is how:
Right click the Java project to pop up the context menu
Select Configure > Convert to Maven Project
Here is the detailed steps with screen shots.
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Simple (non-secure) hash function for JavaScript? [duplicate]
...code, not hundreds of lines) hash function written in (browser-compatible) JavaScript? Ideally I'd like something that, when passed a string as input, produces something similar to the 32 character hexadecimal string that's the typical output of MD5, SHA1, etc. It doesn't have to be cryptographica...
Difference between volatile and synchronized in Java
...tile and always accessing the variable in a synchronized(this) block in Java?
4 Answers
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