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What are the best practices for SQLite on Android?
...ultiple threads, one connection at a time. The SqliteDatabase object uses java locks to keep access serialized. So, if 100 threads have one db instance, calls to the actual on-disk database are serialized.
So, one helper, one db connection, which is serialized in java code. One thread, 1000 thre...
Modify request parameter with servlet filter
...
For the record, here is the class I ended up writing:
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletR...
Which concurrent Queue implementation should I use in Java?
From the JavaDocs:
6 Answers
6
...
how to view the contents of a .pem certificate
I am using Java keytool . I have exported a self-signed .pem certificate from my keystore. Is there a command to view the certificate details directly from the .pem file (not of the certificate in the keystore)?
...
Adding a library/JAR to an Eclipse Android project
...
Now for the missing class problem.
I'm an Eclipse Java EE developer and have been in the habit for many years of adding third-party libraries via the "User Library" mechanism in Build Path. Of course, there are at least 3 ways to add a third-party library, the one I use is t...
Make an HTTP request with android
...have an explicit reason to choose the Apache HttpClient, you should prefer java.net.URLConnection. you can find plenty of examples of how to use it on the web.
we've also improved the Android documentation since your original post: http://developer.android.com/reference/java/net/HttpURLConnection.h...
What is the difference between allprojects and subprojects
...rom. A common pattern is a rootProject has no code and the subprojects are java projects. In which case, you apply the java plugin to only the subprojects:
subprojects {
apply plugin: 'java'
}
This would be equivalent to a maven aggregate pom project that just builds the sub-modules.
Concer...
Difference between ProcessBuilder and Runtime.exec()
I'm trying to execute an external command from java code, but there's a difference I've noticed between Runtime.getRuntime().exec(...) and new ProcessBuilder(...).start() .
...
JavaScript frameworks to build single page applications [closed]
...RESTful single page application (SPA).
Currently, I'm evaluating several Javascript web application frameworks.
2 Answer...
Should private helper methods be static if they can be static
...Something(0);
t.doSomething(0);
}
}
Bytecode (retrieved with javap -c -private TestBytecodeSize):
Compiled from "TestBytecodeSize.java"
class TestBytecodeSize extends java.lang.Object{
TestBytecodeSize();
Code:
0: aload_0
1: invokespecial #1; //Method java/lang/Object."&...