Do you know what the scroll Lock key is for on the keyboard? Most people may not know the key, but I'm afraid it only serves to light up a lamp on the keyboard. However, since the original dos, it is estimated that this key is used for Rolling
1. your web server uses a fixed IP Address: Make sure that "Default web site" is used in your "Internet Information Service" and the IP address in its attribute is "(all unallocated )", instead of the IP address you have specified. Then try again in
Click Query command DetailsAwk a programming language that handles the aliases of text and data alias settings directives basename print a directory or the base name of a file BC supports arbitrary precision interactive execution of the Calculator
Common instruction ls display file or directory-l list file details L (list)-a lists all files and directories under the current directory, including Hidden A (all) mkdir Create directory -P Create directory, if no parent directory, create p (parent)
Most of the VIM commands are executed in non-insert mode, but some features are better implemented in insert mode.If there is no requirement to enter new text that does not exist for the current file, it is recommended that the operation be done
Error | Troubleshooting error message:
Microsoft OLE DB Provider for ODBC Drivers error ' 80004005 ' [microsoft][odbc Microsoft Access Driver] the Microsoft Jet Databaseengine cannot open the file ' (unknown) '. It is already opened exclusively by
Original blog, reproduced please indicate the sourceHttp://blog.csdn.net/hello_hwcMy virtual machine system is CentOS, the version is older, understandingWhy do you want to learn a help order? To give people to fish than to teach people to fishing,
Cursor control command
Command cursor Movement
H or ^ h move one character to the left
J or ^ n move down a row
K or ^ P move up a row
L or move one character to the right by Space
G move to the last row of the file
Ng moves to the nth line of the
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