Front-end questions of chinansoft high-tech WEB and front-end questions of chinansoft high-tech web
For a friend's interview question, Baidu once looked at this soft high-tech seems to be a training institution... The answer below is my understanding and is for reference only.
HTML + CSS
1. Can you explain the css box model?
There are two types of box models: IE
35 _ Zhang Xiaoxiang Java high-tech _ adding various attributes for annotation, Zhang Xiaoxiang high-tech
The reason why annotations are so powerful is that they have attributes.
Annotations are similar to interfaces, and attributes are similar to methods.
What are annotation attributes?
An annotation is equivalent to a badge. If you have a badge on your chest, it is the students of th
USR Many people think it is the user abbreviation, not actually, is the UNIX system resource abbreviation
/lib are kernel-level,/usr/lib are system-level,/usr/local/lib are user-level.
/lib/-contains many library files that are used by programs in/bin/and/sbin/. The directory/usr/l
An error occurred while using bash:/usr/local/bin/rar:/lib/ld-linux.so.2:bad ELF interpreter:no Such file or directory is due to 32-bit installed in 64-bit systems Program Workaround: Yum install glibc.i686 after reinstalling the following class system error and then continue installation package error while loading shared Libraries:libstdc++.so.6:cannot ope N Shared object File:no such file or directory yum install libstdc++.so.
If the installation
Today, after porting an open-source code to a Windows vc6 project, these strange Link errors occur during compilation.
++
Msvcrt. Lib (msvcrt. dll): Error lnk2005: _ toupper already defined in libcd. Lib (toupper. OBJ)Msvcrt. Lib (msvcrt. dll): Error lnk2005: _ tolower already defined in libcd. Lib (tolower. OBJ)Msvcrt
Vs2005 link problem: lnk2005 error: Error lnk2005: _ free has been defined in libcmtd. Lib (dbgheap. OBJ)
This warning message is often encountered in the past, because there is no problem in the operation, so I did not go into details. However, I searched the internet for the success prompt "0 errors and 0 warnings. The original problem lies in the reference selection of the default library.
Vs2008, project -- Property -- configuration Property -- C/
Vs2005 link problem: lnk2005 error: Error lnk2005: _ free has been defined in libcmtd. Lib (dbgheap. OBJ)
This warning message is often encountered in the past, because there is no problem in the operation, so I did not go into details. However, I searched the internet for the success prompt "0 errors and 0 warnings. The original problem lies in the reference selection of the default library.
Vs2008, project -- Property -- configuration Property -- C/
Address: http://blog.csdn.net/dizuo/article/details/4103614
Third-party libraries are often used. For example, glut, FreeType, SDL, and cegui and OSG.
Although these libraries are open-source, they are often used and are not modified.
Three things are involved: the. H. Lib. dll file.
There are three main modes:
. H +. Lib
. H +. Lib +. dll
. Dll
The second is th
In the same project, all source files must be linked to the same C Runtime Library. If a file uses the multithreaded dll version, and other files use the single-threaded or multithreaded version library, that is to say, different libraries will cause this warning.
In a word, there is a conflict between Lib. Some libs to be imported must be deleted.
Version
Type
Library Used
Ignored Library
R release
Single thread
L
1. Load the lib/header fileThere are two ways of doing this:(1) for the current project1 Step One: Item--Properties->c/c++-> General , additional Include directories (browse. h file path) Add include file 2 Second step: Project--Properties->c/c++ Add-on dependency (write Lib name), linker--, input to the library file 3 project, Properties--- Additional Dependencies 4 Step three: Add #include (This step c
Use vs2012 as the standard. From: http://technet.microsoft.com/zh-cn/library/w4zd66ye, there are changes.
1. MFC static library (. Lib)
The MFC static library uses the following naming conventions:
UafxCWD. Lib.
The library naming conventions are described as follows:
Description
Value and meaning
U
(N) ANSI or (u) Unicode
C
Plan type created: c = all
D
D = d
There's a difference. The
/lib gives a library file of the root and the kernel required so or a, and/usr/lib is available to ordinary users.
There are two modes of Linux program, which you should know, is User mode and kernel mode, and this is also related to, no longer redundant.
differences between ================/lib and/usr/
Lead: the US tech blog website businessinsider recently selected the 25 most important tech talents on Twitter, kevin Ross, founder of social news aggregation website Digg, Fred Wilson, Twitter director, and Joshuya tompolski, former editor of engadget, are on the list.
The following are the 25 tech experts:
1. David poger
David Pogue, a science and technology co
Dynamic Link Library DLL, static Link Library Lib, and imported library lib
When compiling a project with vs, we will choose dynamic link library DLL, static Link Library lib (static library ), but why can I specify the output lib when compiling the dynamic link library? What is the use of this
Today, an NDIS-based driver is generated using the DriverStudio wizard.ProgramWhen compilation starts, "ntstrsafe. Lib" cannot be opened, and then "kndis5mp. Lib" appears ".
Solution:1. ntstrsafe. Lib
Drivers generated by DriverStudio are connected to ntstrsafe. lib library, but this library does not actually exist
dynamic-link libraries (DLLs), Static link libraries (LIB), import libraries for dynamic-link libraries (lib)
At present, there are two libraries with Lib suffix, one for static link library (static libary, hereinafter referred to as "still Library"), the other is the import library for dynamic Connection libraries (DLL, hereinafter referred to as "Dynamic Libr
In short,/lib is kernel-level,/usr/lib is system-level, and/usr/local/lib is user-level.
/Lib/-Contains many/Bin/And/Sbin/The library file used by the program in. Directory/Usr/lib/Contains more library files for user programs. The/lib
Problems with porting alsa-lib: Problems with porting alsa-lib
Problems with porting alsa-lib
Linux audio alsa lib VERSIONED_SYMBOLS
During the migration of alsa lib in the past two days, I encountered a problem and was stuck for a long time.Make a record and be trapped by t
Differences between static library lib and dynamic library DLL creation and Examples
1. What is static Connection Library and dynamic link library?Both static and dynamic link libraries are shared.CodeIf you use a static Link Library, all the commands in lib are directly included in the final generated EXE file, whether you wish or not. However, if a DLL is used, the DLL does not need to be included in the
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