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How does facebook, gmail send the real time notification?
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I think labelling PHP as a language/platform that does not scale well is not necessarily true. It can be used to develop extremely large scale systems. Look at facebook. If the developer does it right, then it will scale, if not, then it won't. Using a specif...
How to read a single char from the console in Java (as the user types it)?
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You need to knock your console into raw mode. There is no built-in platform-independent way of getting there. jCurses might be interesting, though.
On a Unix system, this might work:
String[] cmd = {"/bin/sh", "-c", "stty raw </dev/tty"};
Runtime.getRuntime().exec(cmd).waitFor();
For ...
Why do C++ libraries and frameworks never use smart pointers?
...ndors are very good about interoperability between C libraries for a given platform—there are de facto standards.
The situation is not as good for C++. Individual compilers can handle interoperation between their own binaries, so you have the option of distributing a version for every supported c...
Nodejs Event Loop
...that libuv uses libev internally is a good way to make your code not cross platform. You should only care about the public interface of libuv.
– Raynos
Jun 18 '12 at 14:52
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How to get the source directory of a Bash script from within the script itself?
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readlink will not availabe in some platform in default installation. Try to avoid using it if you can
– T.L
Jan 11 '12 at 9:14
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What is a Java ClassLoader?
...pplication class (HelloApp) are loaded first.
Class Loaders in the Java 2 Platform
The Java programming language keeps evolving to make the life of applications developers easier everyday. This is done by providing APIs that simplify your life by allowing you to concentrate on business logic rathe...
What's the difference of “./configure” option “--build”, “--host” and “--target”?
...erful tool that can build c code, then output many kind of result for many platform. Here if I use '--target=mips', does the specified gcc lost the ability?
– gfan
Aug 30 '18 at 6:41
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How to make node.js require absolute? (instead of relative)
...r node and
browserify to look in to find modules.
Unlike most other platforms, using a shell-style array of path
directories with $NODE_PATH is not as favorable in node compared to
making effective use of the node_modules directory.
This is because your application is more tightly co...
LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...某两种硬件平台的优劣，就可以使用相同的配置方法部署软件系统，然后使用相同的脚本、场景设计、统计方法去分析，最终得出一个较优的配置。
业务成功率
“业务成功率”这个指标在很多系统中都提及到，比如电...
How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
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Portability isn't really an issue - presumably the definition is in a per-platform header; you can simply define "likely" and "unlikely" to nothing for platforms that do not support static branch hints.
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