VI editor full user manual this article is intended for beginners of the unix vi editor, and the detailed command table after the article can also be used as a reference for users who are already skilled in using vi, therefore, you 'd better print this article and learn from the practice.
I. UNIX editor Overview
Editor is an important tool for using computers. In various operating systems, editors
From: http://flume.apache.org/FlumeUserGuide.html#data-flow-model
Learn flume through translation.Introduction
Apache flume is a distributed, highly reliable, and highly available system. It is mainly used to efficiently collect, aggregate, and move a large amount of log data from various data sources.
The collected data is stored in a centralized manner.
The application scenarios of Apache flume are not limited to log data aggregation. Because flume data sources can be customized, flume can
Many excerpted contentTranslated by Aman JiangBox2d v2.0.1 User Manual
Chapter 2 common modules 03rd
The common module includes settings, memory management, and vector math)3.2 Configuration
The header file b2settings. h contains:
• Type, such as int32 and float32
• Constant
• Allocation wrappers)
• Version number
• Mixed friction and mixed recovery functionsType
Box2d defines different types, such as float
https://my.oschina.net/flashsword/blog/180623FocusSeleniumdownloaderFor some JavaScript dynamically loaded Web pages, just use the HTTP emulation download tool, and cannot fetch the content of the page. There are two ways of thinking in this regard: one is to cobwebs, to analyze the logic of JS, then to reproduce it with a reptile, and the other is to have a browser built in to get the last loaded page directly. The Webmagic-selenium package integrates selenium to seleniumdownloader and can be c
).
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,
23,24,25,26,27,28,29| ...]
18> RP (Lists:seq (1,50)).
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,
23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,
43,44,45,46,47,48,49,50]
Ok
7. Working directoryCD (Dir)--Change Working directoryPWD ()--Get working directory[Plain]View PlainCopy
19> pwd ().
D:/tmp
Ok
20> CD ("d:/").
d:/
Ok
21> pwd ().
d:/
moving forwardLesson 4-----------------------------------------------------------1 ctrl+g Display the name of the cursor in the column and so onGG File HeaderEnd of G filen + G jumps to the specified line2 SearchSearch down/targetSearch up? targetN NextN PreviousBack to the original position Ctrl+oBack to search location Ctrl+i3 Find the corresponding brackets:%4 Finding replacementsS/old/new replaces the first one foundS/old/new/g as a forward[n1,n1]s/old/new/g from N1 to N2 line%s/old/new/g F
Nice user manual
Daniel Bonniot
Bryn Keller
Francis Barber
Fido Dido Directory
Directory
Order
1. Basic principle (philosophy)
2, Package
Main method
3. Class and interface
class declaration
Data members
Construction device
Parameter class (parametric classes)
Interface declarations
Enumeration class
4. Methods
Method declaration
method to implement
Value Allocation (dispatch)
Nam
arraysJavaScript basic Syntax 30_ array common methodsJavaScript basic Syntax 31_ array sortingJavaScript base syntax 32_ time and dateJavaScript base syntax 33_ time and dateJavaScript base syntax 34_ time and dateJavaScript basic Syntax 35_ string overviewJavaScript basic syntax 36_ string common methodsJavaScript basic syntax 37_ string common methodsJavaScript basic syntax 38_ string common methodsJavaScript basic syntax 39_ Regular Expressions OverviewJavaScript basic syntax 40_ Regular ex
Copy/paste
p→ paste after the current position
p→ pasting before the current position
dd→ Delete the current row and save the deleted row to the Clipboard
yy→ copy Current line of business in DdP
Edit
a→ inserted after the cursor
o→ inserts a new row after the current row
o→ inserting a new row before the current line
Cw→ replaces characters from the position of the cursor to the end of a word
gu→ to uppercase
gu→ v
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