This article is from the "Knowledge Forest"
In the previous example, the communication between the container and the container is done through the IP address in the network, which is obviously unreasonable, because the IP address may change when the
You can customize your frequently-used alias in your shell configuration. For example, when using CSH ~ /. Cshrc.
General alias:Alias CD1 'CD .. /'Alias CD2 'CD .. /.. /'Alias cd4' CD .. /.. /.. /.. /'Alias cd3' CD .. /.. /.. /'Alias ls' ls --
The C language allows for a new alias for a data type, just like a nickname for a person.
The purpose of alias is not to improve the efficiency of the program, but to encode conveniently. For example, if you have a struct whose name is Stu, you
Alias simplifies complex command strings so that a single word or a simplified command can implement complex (usually long strings with many parameters) commands.Basic usage:Alias Simplify command = ' actual long string command '//actual long string
When writing SQL statements, some statement aliases cannot be called. Baidu's reasons are due to different alias mechanisms. In order to avoid making the same mistake again next time, I summarized the information found on the Internet. The execution
In database operations, we sometimes need to implement "Row-to-column" requirements. For example, the following table shows the weekly income table of a store:
WEEK_INCOME(WEEK VARCHAR(10),INCOME DECIMAL)
Insert some simulated data first:
Insert
As a command line seeker, you may find yourself repeating the same commands over and over again. If you always use SSH to access the same computer, if you always connect a chain of commands, if you always run a program with the same parameters, you
Linux Kernel upgrade-update NIC DriverThe current kernel (2.6.32-220. el6.x86 _ 64) upgrade to the target kernel (2.6.33-110. el6.x86 _ 64), but the compiled target kernel (2.6.33-110. the corresponding driver of el6.x86 _ 64) does not necessarily
Listen to the voice of freedom----installation and configuration of sound card driver software Alsa under Linux
Recommendation: yy810310 Published: December 9, 2000 read times: 294
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