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构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...应用场景非常多，比如系统的监控动态的实时曲线绘制，手机消息的推送，web实时聊天等。
实时推送有很多技术可以实现，有Comet方式，有websocket方式等。
Comet基于服务器长连接的“服务器推”技术，包含两种：
Long Polling：...
How can I efficiently select a Standard Library container in C++11?
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97
Not that I know of, however it can be done textually I guess. Also, the chart is slightly off, ...
Android Min SDK Version vs. Target SDK Version
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97
When you set targetSdkVersion="xx", you are certifying that your app works properly (e.g., has ...
Clang vs GCC - which produces faster binaries? [closed]
...| -O2 | -O3 |O2/O3|
----------|-----|-----|-----|
GCC-4.7.2 | 231 | 237 |0.97 |
----------|-----|-----|-----|
Clang-3.2 | 234 | 186 |1.25 |
----------|-----|-----|------
GCC/Clang |0.99 | 1.27|
Any particular application is very likely to have traits that play
unfairly to a compiler's strengths o...
How to convert number to words in java
....convert(91));
System.out.println("*** " + FrenchNumberToWords.convert(97));
System.out.println("*** " + FrenchNumberToWords.convert(100));
System.out.println("*** " + FrenchNumberToWords.convert(101));
System.out.println("*** " + FrenchNumberToWords.convert(110));
System.out.pri...
Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
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97
First off, let me just say that Jon's answer is correct. This is one of the hairiest parts of t...
Fastest way to determine if an integer's square root is an integer
...741,15,339,1703,203,
129,1411,873,1669,17,1715,1145,1835,351,1251,887,1573,975,19,1127,395,
1855,1981,425,453,1105,653,327,21,287,93,713,1691,1935,301,551,587,
257,1277,23,763,1903,1075,1799,1877,223,1437,1783,859,1201,621,25,779,
1727,573,471,1979,815,1293,825,363,159,1315,183,27,241,941,601,971,
3...
Why would finding a type's initializer throw a NullReferenceException?
...5378 488bb42480000000 mov rsi,qword ptr [rsp+80h]
000007fe`e5735380 4889742420 mov qword ptr [rsp+20h],rsi
000007fe`e5735385 41b903000000 mov r9d,3
...
mscorlib_ni!System.RuntimeType.GetConstructorImpl(System.Reflection.BindingFlags, System.Reflection.Binder, System.Reflectio...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...建 Apps 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
Separate Back Stack for each tab in Android using Fragments
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97
We had to implement exactly that same behaviour that you describe for an app recently. The scre...