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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
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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...
How to reference a method in javadoc?
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You will find much information about JavaDoc at the Documentation Comment Specification for the Standard Doclet, including the information on the
{@link package.class#member label}
tag (that you are looking for). The corresponding example from the docume...
Which concurrent Queue implementation should I use in Java?
From the JavaDocs:
6 Answers
6
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Remove all occurrences of char from string
...th arguments of that particular overload are CharSequence. docs.oracle.com/javase/7/docs/api/java/lang/…
– LukeH
Jul 4 '12 at 9:10
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程序员才能听得懂的笑话 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...转自西乔的九卦
1、“咚咚咚”“谁？”过了很久……“Java”
2、换一个电灯泡需要几个程序员？一个也不要，这是硬件问题。
3、换一个电灯泡需要几个微软程序员？一个也不要，他们会把黑暗变成标准然后告诉每个人：...
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)?
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Adding a library/JAR to an Eclipse Android project
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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...
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() .
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