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深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...存里其实并不存在 BIOS 代码，ROM BIOS 的一部分职责是负责安装 BIOS 代码进入系统内存。
jmp far f000:e05b
典型是这条指令就是 0xFFFFFFF0 处的 ROM BIOS 指令，执行后它将跳到 0x000FE05B 处，这条指令的作用很大：
更新 CS.bas...
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：...
Best way to test for a variable's existence in PHP; isset() is clearly broken
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97
If the variable you are checking would be in the global scope you could do:
array_key_exists('...
Java 8 Iterable.forEach() vs foreach loop
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97
“Why encourage hiding side-effects somewhere in expressions?” is the wrong question. The functional forEach is there to encourage the f...
Is there a unique Android device ID?
...ring();
might result in something like: 00000000-54b3-e7c7-0000-000046bffd97
It works well enough for me.
As Richard mentions below, don't forget that you need permission to read the TelephonyManager properties, so add this to your manifest:
<uses-permission android:name="android.permission.READ...
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...