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Learning to write a compiler [closed]
Preferred languages : C/C++, Java, and Ruby.
38 Answers
38
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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...
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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IOException: read failed, socket might closed - Bluetooth on Android 4.3
...tps://github.com/android/platform_frameworks_base/blob/android-4.3_r2/core/java/android/bluetooth/BluetoothDevice.java#L1037).
Now, when I receive that exception, I instantiate a fallback BluetoothSocket, similar to the source code below. As you can see, invoking the hidden method createRfcommSocke...
Remove folder and its contents from git/GitHub's history
...--bare https://project/repository project-repository
cd project-repository
java -jar bfg.jar --delete-folders DIRECTORY_NAME # i.e. 'node_modules' in other examples
git reflog expire --expire=now --all && git gc --prune=now --aggressive
git push --mirror https://project/new-repository
If ...
Java ArrayList copy
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nowhere in java-api deep cloning is done by any collection class
– Vikash
May 5 '18 at 15:46
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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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Managing constructors with many parameters in Java
...llowing of this Josh Bloch presentation (PDF), or this review of Effective Java
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