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What is the difference between Google App Engine and Google Compute Engine?
...wn virtual machine instances. It gives you more flexibility and generally costs much less than App Engine. The drawback is that you have to manage your app and virtual machines yourself.
Read more about Compute Engine
You can mix both App Engine and Compute Engine, if necessary. They both work wel...
Multithreading: What is the point of more threads than cores?
...
The answer revolves around the purpose of threads, which is parallelism: to run several separate lines of execution at once. In an 'ideal' system, you would have one thread executing per core: no interruption. In reality this isn't the case. Even if you hav...
FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)
...sing System.Text;
using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Util;
using Android.Views;
using Android.Widget;
using Java.Lang;
using Android.Support.V4.View;
using Fragment = Android.App.Fragment;
namespace Support4
{
[Activity (Label = "...
2016年最适合小投资的10个创业项目 - 资讯 - 清泛网 - 专注C/C++及内核技术
...拍出满意的靓照，满足年轻人追求时尚、另类的需求，是一个不错的新行当。
投资策划：租间10平方米左右的店面，月租金约500元；店面进行一般性装饰约需2000元，购置不干胶自拍成像机一台需12000元，添置相片展示栏及各种...
Updating packages in Emacs
...resh-contents unconditionally tries to download a package list from all repos you've added to package-archives; package-archive-contents is non nil if you have already downloaded the package list.
ELPA is the original. I don't think it's really maintained anymore, but I'm not sure. I don't use it....
Difference between sh and bash
...or the Shell Command Language) is a programming language described by the POSIX
standard.
It has many implementations (ksh88, dash, ...). bash can also be
considered an implementation of sh (see below).
Because sh is a specification, not an implementation, /bin/sh is a symlink
(or a hard link) to a...
Just what is Java EE really? [closed]
...nction outside of the application server environment?
Actually they can. Most of the libraries can be directly used standalone (in Java SE) or included in a .war (practically that's nearly always Tomcat). Some parts of Java EE, like JPA, have explicit sections in their respective specifications tha...
ImageView 扩展：图片查看器扩展，支持缩放、双击缩放和动画缩放 · App In...
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ImageView 扩展
ImageView 是一个免费的图片查看器扩展，提供了强大的图片显示和缩放功能。该扩展支持捏合缩放、双击缩放、动画缩放等多种手势操作，并提供了多种图片缩放类型供选择。
包名...
How exactly does CMake work?
...ed files do.
CMake introduces a lot of complexity into the build system, most of which only pays off if you use it for building complex software projects.
The good news is that CMake does a good job of keeping a lot of this messiness away from you: Use out-of-source builds and you don't even have ...
Difference between DateTime and Time in Ruby
...DateTime and Time classes in Ruby and what factors would cause me to choose one or the other?
7 Answers
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