current row

Access the VI commandVI filename: open or create a file and place the cursor at the beginning of the first lineVi + N filename: open the file and place the cursor at the beginning of line NVi + filename: open the file and place the cursor at the

I personally think that vi can't be used without it. Using it will improve the efficiency a lot, but it may not be able to catch up with the previous speed. The following is my shameless copy and paste: (the picture shows a piece of easy learning)

[Syntax]: VI [-wn] [-R] file... [Note]: VI is a full-screen editor based on the line editor ex. All commands of ex and Ed can be used in VI, in the VI option, "-WN" indicates that the size of the editing window is set to N rows, and "-R" indicates

1013 One eclipse hardcore developer combines the 10 most useful shortcut keys in eclipse to summarize the most useful but less well-known combination of shortcut keys. Through these combinations, you can easily browse the source code, improving

In the previous article, we briefly listed some basic Vim operations and a lot of cursor movement commands. This chapter mainly describes the commands that can move the cursor faster. The most commonly used Vim editing operation is to move the

In the original: Toward the Dba[mssql Article] detailed cursorPrevious review: The previous bug introduced some of the less commonly used data filtering methods, this article detailed introduction downstream standard.ConceptTo put it simply, the

I. Getting started with Oracle analytics functionsWhat is an analytic function?Analytic functions are powerful functions that Oracle specifically uses to address the statistical requirements of complex reports, which can be grouped in data and then

Hive There are a number of analytic functions available to complete the responsible statistical analysis. This article first describes the sum , AVG , MIN , the four functions of Max . Environmental information:Hive version number is Apache-hive-0.14

(1) cursor (1) cursor Concept A cursor is a pointer to a query result set. It is a set of SQL statements associated with a select statement by defining the statement. That is, one record is read from the result set one by one. The cursor contains

In December last September, the android extended series (4)-basic use of the vim editor recorded the simplest Vim operations. But the charm of VIM comes from the magical skill operations. these skills can be used to skillfully combine Vim features,

I. cursor Recognition Cursor allows you to access the result set returned by SQL Server row by row.A major reason for using cursor is to convert the set operation into a single record processing method.After retrieving data from a database using

Oracle OLAP FunctionsThis topic has been used a lot recently. I have summarized it. Syntax: function_name (,,...)Over () OLAP function Syntax: 1. The function itself is used to operate the data in the window. 2. Partitioning clause is used

Linux vim commands and linux vim commands A detailed introduction of vim commands in linux. Some advanced editors will contain macro functions, which are certainly not missing in vim. It is very convenient to use Macros in vim: : Qx starts to record

Common eclipse shortcut keys and debugging methods, and eclipse shortcut key debugging Link: http://my.oschina.net/u/1054538/blog/741561  Common shortcut keys Eclipse's most complete shortcut keys. Familiarity with shortcuts can help developers get

Access the vi commandVi filename: open or create a file and place the cursor at the beginning of the first lineVi + n filename: open the file and place the cursor at the beginning of line nVi + filename: open the file and place the cursor at the

To determine whether the query result is null, there is no way to use hasNext in JDBC to determine whether there is any next data, but we can use the next method instead. Official explanation of the next method: booleannext ()

In vi/vim, you can use the: s command to replace the string. : S/vivian/sky/replace the first vivian in the current row with sky: s/vivian/sky/g, replace all vivian in the current row with sky: n, $ s/vivian/sky/replace the first vivian from row n

The format of the vim replacement command is generally (the content in square brackets is optional, and the content in square brackets is required ):: [Range] S/{pattern}/{string}/[flag]Specifically, the colon ':' is the beginning of this type of

--- Start DB2 online analysis and processing can be described very well. This function is especially suitable for various statistical queries. These queries are difficult to implement with common SQL statements, or are not implemented at all. First,

Common Eclipse shortcut keysEclipse has powerful editing functions, master the Eclipse shortcut key function, and greatly improve development efficiency. Eclipse has the following shortcut keys related to editing.1. [ALT + /]This shortcut key is a