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What is the difference between the kernel space and the user space?
...each entry has a field Privl which encodes the ring.
The LGDT instruction sets the address to the current descriptor table.
See also: http://wiki.osdev.org/Global_Descriptor_Table
the segment registers CS, DS, etc., which point to the index of an entry in the GDT.
For example, CS = 0 means the fi...
When to use “ON UPDATE CASCADE”
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Yes, it means that for example if you do UPDATE parent SET id = 20 WHERE id = 10 all children parent_id's of 10 will also be updated to 20
If you don't update the field the foreign key refers to, this setting is not needed
Can't think of any other use.
You can't do that as the fo...
Best way to include CSS? Why use @import?
...rious: one of my favorite uses of @import is when you have a build process set up using something like grunt-concat-css. During development, the @import statements work and page load speed isn't a concern. Then, when you're building for production, a tool like this will concatenate all of your CSS f...
【解决】C、C++混合编译link失败问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
【解决】C、C++混合编译link失败问题c_cpp_mixed_compileC、C++混合编译时，C头文件不加 extern "C"，函数按照C++编译会改变函数名称，导致link时报undefined reference to `xxx` 的 错误。加 extern "C" 解决，但是直接加的话 C、C++混合编译时，C...
SetUnhandledExceptionFilter and the C/C++ Runtime Library - C/C++ - 清...
SetUnhandledExceptionFilter and the C/C++ Runtime LibrarySetUnhandledExceptionFilter-and-the-C-C-Runtime-LiThis article presents a fix for SetUnhandledExceptionFilter to work with the CRT.Download source code - 30.9 KBInt...This article presents a fix for SetUnhandledExceptionFilter to work with the...
Best Practice for Forcing Garbage Collection in C#
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Also, you can set different LatencyMode's msdn.microsoft.com/en-us/library/bb384202.aspx
– David d C e Freitas
Jul 8 '11 at 15:18
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wkhtmltopdf: cannot connect to X server
...htmltopdf so that now you have an executable at /usr/local/bin/wkhtmltopdf
Set permissions: sudo chmod a+x /usr/local/bin/wkhtmltopdf
Install required support packages.
sudo apt-get install openssl build-essential xorg libssl-dev
Check to see if it works: run
/usr/local/bin/wkhtmltopdf http://w...
How to view DLL functions?
...may try the Object Browser in Visual Studio.
Select Edit Custom Component Set. From there, you can choose from a variety of .NET, COM or project libraries or just import external dlls via Browse.
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How can I get the current user directory?
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How to move screen without moving cursor in Vim?
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How about just setting 'scrolloff' to half the value of 'lines'?
– rld.
Nov 5 '17 at 17:24
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