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Choosing a Java Web Framework now? [closed]
...d no clear winner. Just to cite a few:
JSF: Lots of skeptics about this component based framework, including me so I'm not the best one to talk about it but...
JSF 2 (+ CDI/Weld): JSF skeptics are encouraged (by Gavin King) to "take a second look". Indeed, I think that JSF 2 is a big improvement,...
Simple way to transpose columns and rows in SQL?
How do I simply switch columns with rows in SQL?
Is there any simple command to transpose?
9 Answers
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When should I use double instead of decimal?
...nt enough to warrant much thought however.
In all cases, if you want to compare two floating-point numbers that should in theory be equivalent (but were arrived at using different calculations), you need to allow a certain degree of tolerance (how much varies, but is typically very small).
For a...
What's the difference between a Future and a Promise?
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According to this discussion, Promise has finally been called CompletableFuture for inclusion in Java 8, and its javadoc explains:
A Future that may be explicitly completed (setting its value and status), and may be used as a CompletionStage, supporting dependent functions and actio...
App Inventor 2 字典(Dictionary)操作教程 - 键值对数据结构 · App Inventor 2 中文网
...t", makeDict(pair("phone", "13800138000"), pair("email", "xiaoming@example.com"))), pair("address", makeDict(pair("city", "北京"), pair("district", "海淀区"), pair("street", "中关村大街1号"))))
访问嵌套字典中的值有两种方式：
方式一：逐层获取
global contact = dict...
Are Java static calls more or less expensive than non-static calls?
Is there any performance benefit one way or another? Is it compiler/VM specific? I am using Hotspot.
12 Answers
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Technically, why are processes in Erlang more efficient than OS threads?
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@nilskp: (RE: you comment on point 3…) Even though the language itself has an immutable type system, the underlying implementation — message passing, scheduler, etc. — is a different story altogether. Correct and efficient SMP support di...
How do I fix the Visual Studio compile error, “mismatch between processor architecture”?
... a few other DLLs, some within my project and some external. When I try to compile the C++ DLL, I get this warning:
20 Answ...
What is Gradle in Android Studio?
...now how to build your Android APK without Eclipse.
You can do this on the command line, but you have to learn what each tool (dx, aapt) does in the SDK.
Eclipse saved us all from these low level but important, fundamental details by giving us their own build system.
Now, have you ever wondered why...
What's the use of Jade or Handlebars when writing AngularJs apps
I am new(ish) to the whole javascript full stack applications, and completely new to Angular, so I was hoping somebody can put the record straight for me here.
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