Tags: note command log name set block LFS one termGod operation
Writing code in vim often comes across multiple lines of comments and uncomment, and in VS we can use the default shortcut keys or customize shortcuts in settings to solve this problem.
Since Vim is so powerful, it must also have shortcut keys to complete. Here are the steps:
Step 1: In command line mode, place the cursor in the first column and press CTRL + V shortcut key to
Now, some families already have more than two computers. If you want to connect more than one computer in an office or two computers in your home to the simplest Peer-to-peer network, you can implement it through Third-party software, such as Wingate, SyGate, WinProxy, and so on. This article introduces using Sygate to realize the first-line multi-machine Internet.
The Sygate software uses the gateway way
1) dot (.) to match any character, cannot match line breakIn this mode (?:. | \ n) is a non-capturing group (a group that is only used for matching, which can be captured individually or numbered).2) Re. DotallThe Re.compile () function accepts a flag parameter called Re. Dotall, which is useful here, allows a point (.) in a regular expression to match any character, including newline characters.Python: Regular Expressions match multiple lines to impl
Steps: 1. Convert the newline characters in the textarea to var dbstr = textareastr.replace (/\n|\r\n/g, " 2. Replace var New // Create a regular RegExp object
var newstr = Dbstr.replace (reg, "\ n"); Related: When stitching the next line of strings var "\ r \ n" + message; Match literal and \r literal\n Value = Value.replace (/(?: \ \ \[RN]) +/g, ""); TextArea multi-
MyBatis 3.3.1 supports the ability to bulk insert multi-line writeback self-increment IDs, see the support insert multiple rows and Write-back ID #547. Implementation Principle
The implementation principle is an SQL statement:
INSERT into TableName (column-a, [Column-b, ...])
VALUES (' value-1a ', [' value-1b ', ...]),
(' value-2a ', [' value-2b ', ...]),
The databases that support the above SQL syntax fea
0 ORDER by Asc/desc default ascendingOrder BY Column name | expression | alias | serial numberPut the space behind: ORDER by Desc nulls last1 grouping function--Automatically filters null valuesCount (*|distinct|clumn) Max min sum avgSelect SUM (COMM)/count (*) One,SUM (comm)/count (comm) two, AVG (COMM) three from EMP2 filter resolution, NULL replacement function, NVL (comm,0)1 Select COUNT (*), COUNT (comm)From EMP2 Select COUNT (*), COUNT (NVL (comm,0))From EMP3 grouping;Statistic average sal
prompt processing of direct exitSELECT TOP 1 @table1_field1 =field1 from table1 WHERE 1=1IF Cond3 is not NULLBEGINRAISERROR (' xxx error! ', 16, 1)ROLLBACK TRANCLOSE Cur_xxx--Non-cursors, no need for this statementDeallocate cur_xxx--Non-cursors, no need for this statementRETURNELSEBEGINSET @[email Protected]_field1--The current value may be updated based on other cross-table resultsEND--finally update the relevant values based on the primary keyUPDATE xxxSET [email protected],[Email protected]
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