Big family, big family
In writing Java programs, apart from the eight basic data types and the String object, we also use a collection class, which is filled with collection classes in our programs! Java's integration of big family members is too
Linux programming -- Process replacement: exec function family, linuxexec
On the Windows platform, we can double-click to run the executable program to make it a process. On the Linux platform, we can./Run to make an executable program a
Under the Windows platform, we can run the executable program by double-clicking, let this executable program become a process, and on the Linux platform, we can pass ./ Run, let an executable program become a process.However, if we are running a
Under the Windows platform, we can run the executable program by double-clicking, let this executable program become a process, and on the Linux platform, we can pass ./ Run, let an executable program become a process.However , if we are running a
In the Java program, we most commonly used in addition to eight basic data types, the string object has a collection class, in our program is filled with the collection of the figure! The collection of large family members in Java is too rich, there
Python first recognizes complex data types (list, dictionary, and tuple) and pythontuple
In the previous article, we briefly understood the data types: number and string. In this article, we will introduce the heavyweight data types: list,
Inter-process communication between embedded Linux (II.)--exec family function exec The function family does this by locating the executable file according to the specified file name and substituting it for the contents of the calling process, in
The fork () function creates a process that is almost identical to the original process (the parent process) through a system call (the child process is a copy of the parent process, which obtains a copy of the parent process's data space, heap,
Reference: http://qzone.qq.com/blog/119994997-1236688022 http://hi.baidu.com/colin719/blog/item/f6ea44e782e1152fb938205c.html
The exec function family contains six functions:
# Include Int execl (const char * path, const char * Arg ,...);Int
A string sequence is used to represent and store text, and a string in Python is an immutable object. A string is a collection of ordered characters that is used to store and represent basic textual information, a pair of single, double, or triple
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