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What is the difference between C# and .NET?
... run on the CLR can also use the .NET libraries.
If you are familiar with Java, this is similar... Java is a language built on top of the JVM... though any of the pre-assembled Java libraries can be used by another language built on top of the JVM.
...
Hibernate SessionFactory vs. JPA EntityManagerFactory
... use of the JPA is to be preferred over the Hibernate API, because it is a Java Enterprise standard. Using JPA (and restricting yourself to it, without using Hibernate-specific features) improves application portability, i.e. you have the option to switch to a different persistence framework with mi...
How do the Proxy, Decorator, Adapter, and Bridge Patterns differ?
... this becomes more important usage then ever.
Adapter helps to get around Java limitation of only single inheritance. It can combine several adaptees under one envelope giving impression of multiple inheritance.
Code wise, Adapter is “thin”. It should not add much code to the adaptee class, be...
Do I really have a car in my garage? [duplicate]
I'm a newbie to Java programming, trying to get the hang of OOP.
13 Answers
13
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Fastest way to determine if an integer's square root is an integer
...e (C/C++). Your results may vary, especially because I don't know how the Java factor will play out.
My approach is threefold:
First, filter out obvious answers. This includes negative numbers and looking at the last 4 bits. (I found looking at the last six didn't help.) I also answer yes for...
Difference between getAttribute() and getParameter()
...ple,consider about first.jsp,
//First Page : first.jsp
<%@ page import="java.util.*" import="java.io.*"%>
<% request.setAttribute("PAGE", "first.jsp");%>
<jsp:forward page="/second.jsp"/>
and second.jsp:
<%@ page import="java.util.*" import="java.io.*"%>
From Which Page : &l...
Polymorphism vs Overriding vs Overloading
In terms of Java, when someone asks:
21 Answers
21
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How to include *.so library in Android Studio?
.../
└── main/
├── AndroidManifest.xml
├── java/
└── jniLibs/
├── arm64-v8a/ <-- ARM 64bit
│ └── yourlib.so
├── armeabi-v7a/ <-- ARM 32bit
...
How to set selected value of jquery select2?
...ling my hair out on this one. I don't think it's possible without going to JavaScript solutions. Looking for another jQuery/Bootstrap Select2 dropdown now (2 days of fiddling every conceivable method - no joy!)
– MC9000
Nov 5 '16 at 5:17
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刘强东“一元年薪”背后的O2O棋局 - 资讯 - 清泛网 - 专注C/C++及内核技术
...业务开展主要是实体产品电商，使用的是公司既有的物流系统。公司通过“京东到家”手机应用销售生鲜产品，将居民区附近的超市与用户相连。虽然目前用户数量不是太多，但公司目前已经看到了一些成果。
除此之外，与永...