two examples below to see how SPARKR works.2.2.2. Sparkr Use Example1) Example1 : Word Count
p># load Sparkr package Library (SPARKR) # Initialize Spark context SC , Sparkenvir=list (spark.executor.memory= "1g", spark.cores.max= ")) # read files from HDFs Lines # splits each behavior by delimiter multiple elements, which returns a sequence of Words # uses lapply to define an operation for each RDD element, which returns a (K,V) pair WordCount # pair (k,v) f
PHP4 User Manual: Operator-string operator. A string operator has two character string operators. The first is the concatenation operator (.), which returns the new string generated after connecting the right and left. The second is the self-join operator (.), which is a string operator.
There are two string operators. The first is the concatenation operator (.), which returns the new string generated afte
PHP4 User Manual: function-usleep. Usleep (PHP3, PHP44.0.0) usleep-description of the number of milliseconds in which the voidusleep (intmicro_seconds) usleep () function pauses the number of milliseconds specified by micro_seconds
(PHP 3, PHP 4> = 4.0.0) usleep-description of the number of milliseconds to suspend execution
Void usleep (int micro_seconds)
The number of milliseconds specified by micro_sec
PHP4 User Manual: Process control-while. A whilewhile loop is a simple type in a PHP loop. Its behavior is just like in c. The following is a basic while statement: while (expr) statement, the meaning of the while statement is
A while loop is a simple type in a PHP loop. Its behavior is just like in c. The following is a basic while statement:
While (expr) statement
The meaning of this while statement is ve
from line N1 to line N2 to line N3.: N1, N2 M N3: Move the content from line N1 to line N2 to line N3: N1, N2 D: Delete content from line N1 to line N2: W: Save the current file: E filename: open the file filename and edit it.: X: Save the current file and exit.: Q: Exit VI.: Q! : Do not save the file and exit vi:! Command: execute shell command: N1, N2 W! Command: The content from line N1 to line N2 in the file is used as the command input and executed.If N1, N2 is specified, the entire file c
Directory
Ghstdoc2.1.1 User Manual 1
Directory 2
Modify history 3
1. Introduction to ghostdoc1.2.1 4
2. Installation (for vs2005) 4
3. Configure 8
2.1 initial settings 8
2.2. ghostdoc configuration 11
2.3. hotkey setting 12
4. Use ghostdoc to generate comments for the code 15
4. Code comment specification 20
1. Introduction to ghostdoc1.2.1
Ghostdoc is an XML document comment Generator Based on Visual Studi
shows all the possible states of a session and the State Transition Relationship between them: session configuration has many different parameters for a session that can be set:
Message receiving buffer size
Message sending buffer size
Idle Time
Write timeout
There are also some other configurations that depend on the specific transmission type used (see Chapter 6 Transmission) to manage custom attributes during system development, we usually need to save some data for later use, this usua
FFmpeg user manual-common ffplay commands
When compiling FFmpeg source code, if the system contains the SDL-1.2 version, ffplay compilation is generated by default, if the SDL-1.2 is not included or the version is not the SDL-1.2, cannot generate the ffplay file, so, if you want to use ffplay for streaming media playback testing, you need to install the SDL-1.2.Ffplay is usually used as a player. In fact, f
FFmpeg user manual-common ffprobe commandsIn the FFMpeg suite, there are ffmpeg and ffprobe, which are mainly used to view the information of multimedia files. The following describes common basic commands in ffprobe.5.1 ffprobe common parametersFfprobe has many common parameters. You can use ffprobe -- help to view detailed information:5.2 The following focuses on several examples:5.2.1 use show_packets to
Git User Manual: differences between HTTPS and SSH
In managing Git projects, https URLs are often directly used to clone to the local machine. Of course, some people also use SSH URLs to clone to the local machine. The main difference between the two methods is that using https url cloning is more convenient for beginners. just copy the https url and then directly clone it to the local machine using the clo
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
Event handling in jQuery User Manual
Hover (Function, Function)The first function is triggered when the mouse moves over, and the second function is triggered when the mouse moves out.
Style:
Html code:
Sdf
JQuery code and Effects
$ (
Function
(){$ (
"
#
"
). Hover (
Function
() {$ (
This
). AddClass (
"
Red
"
);},
Function
() {$ (
This
). RemoveClass (
"
Red
"
);});})The final result is that when you mov
? SlidingMenu.SLIDING_WINDOW:SlidingMenu.SLIDING_CONTENT);Hang yourself up to the activity's root viewLook at this paragraph:Case Sliding_content:Mactionbaroverlay = Actionbaroverlay;Take the above view out ofViewGroup contentparent = (viewgroup) Activity.findviewbyid (Android. R.id.content);View content = contentparent.getchildat (0);Contentparent.removeview (content);Contentparent.addview (this);SetContent (content);Save people from having transparent backgroundsif (content.getbackground () =
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