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BIO与NIO、AIO的区别(这个容易理解) - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...区别，同步必须等待或者主动的去询问IO是否完成，那么为什么说是阻塞的呢？因为此时是通过select系统调用来完成的，而select函数本身的实现方式是阻塞的，而采用select函数有个好处就是它可以同时监听多个文件句柄，从而提...
Error to install Nokogiri on OSX 10.9 Maverick?
...eloper/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/usr/include/libxml2
Update
For those using Yosemite the following command will work:
gem install nokogiri -- --with-xml2-include=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.10.sdk/usr/...
How to use the 'main' parameter in package.json?
...ex.js in its root folder. For example, people often put the entry point to lib/index.js or lib/<packagename>.js, in this case the corresponding script must be described as main in package.json.
You can't have two scripts as main, simply because the entry point require('yourpackagename') must b...
Auto-loading lib files in Rails 4
I use the following line in an initializer to autoload code in my /lib directory during development:
4 Answers
...
Adding external library in Android studio
I want to add external library https://github.com/foursquare/foursquare-android-oauth to my Android application (I use Android Studio, the instructions provided by lib author for Eclipse didn't work for Android Studio).
...
How to copy DLL files into the same folder as the executable using CMake?
...ase, if you have the following directory structure:
/CMakeLists.txt
/src
/libs/test.dll
and your CMake target to which the command applies is MyTest, then you could add the following to your CMakeLists.txt:
add_custom_command(TARGET MyTest POST_BUILD # Adds a post-build event to MyTest
...
How to properly import a selfsigned certificate into Java keystore that is available to all Java app
...stem.out.println(System.getProperty("java.home"));
Copy the file JAVA_HOME\lib\security\cacerts to another folder.
In Portecle click File > Open Keystore File
Select the cacerts file
Enter this password: changeit
Click Tools > Import Trusted Certificate
Browse for the file mycertificate.pem
Cl...
How do I get the path and name of the file that is currently executing?
...xperiments with Python 2 and 3. With
main.py - runs foo.py
foo.py - runs lib/bar.py
lib/bar.py - prints filepath expressions
| Python | Run statement | Filepath expression |
|--------+---------------------+----------------------------------------|
| 2 | execfile ...
Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?
...00 d15 0000000000000000
scr 80000012
#00 pc 000108d8 /system/lib/libc.so
#01 pc 0003724c /system/lib/libxvi020.so
#02 pc 0000ce02 /system/lib/libxvi020.so
#03 pc 0000d672 /system/lib/libxvi020.so
#04 pc 00010cce /system/lib/libxvi020.so
...
Android studio add external project to build.gradle
...t there are modules, which I'm interested to add as modules to the Android Lib project
– TacB0sS
Jul 5 '13 at 18:35
Th...