大约有 7,570 项符合查询结果(耗时:0.0338秒) [XML]

https://stackoverflow.com/ques... 

Using an ORM or plain SQL? [closed]

...te-management. This entire stack of frameworks (JSF, JPA, etc) is based on Java beans get/set methods. This is a TON of boilerplate for every table, for every column and ... here's the real anti-pattern: Just to expose every field as if it were public. In effect, having a get/set method on fields in...
https://stackoverflow.com/ques... 

What is the difference between a HashMap and a TreeMap? [duplicate]

I started learning Java. When would I use a HashMap over a TreeMap? 8 Answers 8 ...
https://stackoverflow.com/ques... 

Java - JPA - @Version annotation

...ink bigint instead of an integer should be used in db type to match a long java type. – Dmitry Feb 1 '17 at 17:03 ...
https://stackoverflow.com/ques... 

How to load external webpage inside WebView

... mWebview = new WebView(this); mWebview.getSettings().setJavaScriptEnabled(true); // enable javascript final Activity activity = this; mWebview.setWebViewClient(new WebViewClient() { @SuppressWarnings("deprecation") @Override pu...
https://stackoverflow.com/ques... 

JNI converting jstring to char *

I have passed a URL string from Java to C code as jstring data type through the use of JNI. And my library method needs a char * as url. ...
https://stackoverflow.com/ques... 

What is the difference between the HashMap and Map objects in Java?

...of getMap() method each time. But if you use the polymorphism feature of Java, and instead of returning specific classes, use the interface Map, it improves code reusability and reduces the impact of requirement changes. s...
https://stackoverflow.com/ques... 

Why does C++ not have reflection?

...or can be inlined and thus removed entirely from the compiled code. C# and Java make a lot of guarantees about the output of the compiler. If I define a class in C#, then that class will exist in the resulting assembly. Even if I never use it. Even if all calls to its member functions could be inlin...
https://stackoverflow.com/ques... 

C++ IDE for Linux? [closed]

...: For Python development, there’s PyCharm For R, there’s RStudio For JavaScript and TypeScript, there’s Visual Studio Code (which is also a good all-round editor) And finally, many people love the Sublime Text editor for general code editing. Keep in mind that this list is far from complet...
https://stackoverflow.com/ques... 

What is a good use case for static import of methods?

...y one or two members, import them individually. (https://docs.oracle.com/javase/8/docs/technotes/guides/language/static-import.html) There are two parts I want to call out specifically: Use static imports only when you were tempted to "abuse inheritance". In this case, would you have been tempt...
https://stackoverflow.com/ques... 

Alternatives to JavaScript

...age, and the de-facto standard for DOM tree manipulation in the browser is JavaScript. It looks like it has deep design issues that make it a minefield of bugs and security holes for the novice. ...