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Testing two JSON objects for equality ignoring child order in Java
I'm looking for a JSON parsing library that supports comparing two JSON objects ignoring child order, specifically for unit testing JSON returning from a web service.
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What is Turing Complete?
...n run, then it's Turing complete.
Most modern programming languages (e.g. Java, JavaScript, Perl, etc.) are all Turing complete because they each implement all the features required to run programs like addition, multiplication, if-else condition, return statements, ways to store/retrieve/erase dat...
Compiled vs. Interpreted Languages
...be compiled again at a later stage to get native code (e.g. as done by the Java JVM JIT compiler).
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数据挖掘——分词入门 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...就挑选出一个词。目前还没有特别成熟的基于语义的分词系统。
为了让大家快速的了解分词技术，我们采用第一个方式来做测试：基于词典的分词，这种方式简单暴力可以解决百分之七八十的问题。基于词典的分词大概分为以...
Replacing all non-alphanumeric characters with empty strings
...); you don't need the "/" inside the regexp, I think you've confused with javascript patterns
– eriknyk
May 1 at 21:06
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How are everyday machines programmed?
...s the 100 pound gorilla) that boot an embedded version of Linux and/or the Java JVM.
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How do Mockito matchers work?
...not. This perfectly corresponds to (and relies on) the evaluation order of Java, which evaluates arguments left-to-right before invoking a method:
when(foo.quux(anyInt(), and(gt(10), lt(20)))).thenReturn(true);
[6] [5] [1] [4] [2] [3]
This will:
Add anyInt() to the stack.
Add gt(10...
When does System.gc() do something?
I know that garbage collection is automated in Java. But I understood that if you call System.gc() in your code that the JVM may or may not decide to perform garbage collection at that point. How does this work precisely? On what basis/parameters exactly does the JVM decide to do (or not do) a GC ...
Uses for Optional
Having been using Java 8 now for 6+ months or so, I'm pretty happy with the new API changes. One area I'm still not confident in is when to use Optional . I seem to swing between wanting to use it everywhere something may be null , and nowhere at all.
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Spring MVC: How to perform validation?
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}
Method 1 : If you have Spring 3.x+ and simple validation to do, use javax.validation.constraints annotations (also known as JSR-303 annotations).
public class User {
@NotNull
private String name;
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}
You will need a JSR-303 provider in your libraries, like Hibernate Valida...