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How to format a Java string with leading zero?
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You can use StringUtils or DecimalFormat for Java 1.4 and below. Check here javadevnotes.com/java-integer-to-string-with-leading-zeros
– JavaDev
Mar 5 '15 at 3:40
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普通码农和CTO之间的差距，就是这7点了 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...提高你的见识、分析能力。这里推荐几份靠谱的代码：
Java并发包，混并发界你要是没听过DougLea那你算白混了，老爷子说得上是学术、工程两届通吃。文有提笔能写论文，武能键盘码程序的全才。java.util.concurrent依旧经典，无论...
EJB's - when to use Remote and/or local interfaces?
I'm very new to Java EE and I'm trying to understand the concept of Local interfaces and Remote interfaces. I've been told that one of the big advantages of Java EE is that it is easy to scale (which I believe means you can deploy different components on different servers). Is that where Remote and ...
Java HashMap performance optimization / alternative
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Just use java.util.Arrays.hashCode(). It's simpler (no code to write and maintain by yourself), its calculation is probably faster (fewer multiplications), and the distribution of its hash codes will probably be more even.
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JavaScript OOP in NodeJS: how?
I am used to the classical OOP as in Java.
6 Answers
6
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How can I use external JARs in an Android project?
...r Eclipse
A good way to add external JARs to your Android project or any Java project is:
Create a folder called libs in your project's root folder
Copy your JAR files to the libs folder
Now right click on the Jar file and then select Build Path > Add to Build
Path, which will create a folder...
C++ equivalent of java's instanceof
What is the preferred method to achieve the C++ equivalent of java's instanceof ?
6 Answers
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What Java ORM do you prefer, and why? [closed]
...rence might be in the dynamic nature of python (and perl). Using an ORM in Java is a pain. But in dynamic languages it can be really expressive. There are some great projects to embed ORM operations like DSLs in Python and are great.
– santiagobasulto
Apr 26 '1...
Intellij IDEA Java classes not auto compiling on save
...e one small change in one single class. Even the "Compile 'StartController.java'" meaning one class only takes 3-4 seconds. Eclipse does this in less than 100 milliseconds. I will test the eclipse mode plugin again and decide what to go with..
– mmm
Jan 5 '14 a...
Why does JPA have a @Transient annotation?
Java has the transient keyword. Why does JPA have @Transient instead of simply using the already existing java keyword?
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