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classBubblesortarray {3 Public Static voidMain (string[] args) {4 intourarray[]=New int[]{1973,10,1013,24,414,4,1980,520,13,19999};5 inttemp;6System.out.println ("Before sorting:");7 for(intX:ourarray) {8System.out.print (x+ "");9 }Ten for(inti=1;i){ One for(intj=0;j){ A if(ourarray[j]>ourarray[j+1]){ -Temp=ourarray[j+1]; -ourarray[j+1]=Ourarray[j]; theourarray[j]=temp; - } - } - } +S

class represented is a back-end controller.@RequestMapping the scope of the annotation, the difference and function between the class and the target method, and the ability to limit the request mode, and so on.HansonqLinks: http://www.imooc.com/article/4299Source: MU-Class NetworkBy the end of this chapter you should know the scope of the @controller annotation, and the class represented is a back-end controller.@RequestMapping the scope of the annotation, the difference and function between th

Lesson 23 Operator OverloadingOperator overloadingOverloaded assignment operatorsperson person::operator= (const person Other) {//Check self-assignment if (this = = other) {return *this;} Release the original memory resource delete[]m_data;int length = strlen (other.m_data); m_data = new Char[length + 1];strcpy (m_data, Other.m_data) ;//Return the reference to this object return *this;}Lesson 25 self-increment operator overloadingOperator overloadingDifference between pre-increment and post-incr

is a method similar to tips to deeply analyze and explain many Java knowledge points. For beginners, it is best to find a book on getting started with Java, but it introduces Java syntax, object-oriented features, core class libraries, and so on in sequence. while reading this book, let's take a look at Thinking in Java to deepen our understanding of Java and how it works. At the same time, we can fully understand the entire Java System. For getting started books on Java, Cai xuexiao recommen

is actually introducing namespacesCode Explanation:vPycharm shortcut keysAs you can see in the demo above, the use of Python annotations is no longer a//Pycharm Common shortcut keys: ctrl+/Comments (uncomment) the selected line Shift + ENTER to start a new line Ctrl + Enter Smart line break TAB shift+tab indent/un-indent selected rows Ctrl + Alt + I auto indent Ctrl + y Deletes the row where the current caret is located Ctrl + D Copies the current line, or block

conversion, avoid, Wannna must go. If the conversion succeeds, the corresponding value is returned, and if the conversion fails, an exception is thrown.10, the arithmetic operator of the plus and minus Gaga is divided into the pre-+ + and after + +, whether it is the first + + or post-+ +, the end will be added to the variable itself into the pre-and post-, whether before-or after-, will eventually give the variable itself minus oneNote: The difference between Gaga or subtraction in the front a

multi-criteria is fixed, we recommend using the switch-case structure. Switch-case structure Syntax: switch (the value of a variable or expression) {case value 1: Code to execute; Break Case Value 2: the code to execute; Break Case Value 3: the code to execute; Break Default: The code to execute; break;//jumps out of the current switch-case structure. Execution procedure: The program executes to switch, first calculates the result in the parentheses with the switch. Take the calculated results

The SmartArt functionality of PPT is believed to be known to everyone, but how do you know the specific use? To get the most out of it, take a look at the SmartArt tips for everyone!One or one keys to generate a directoryPPT made out of the catalogue is always too simple? Try your SmartArt now.Second, text one-click to graphicsNot only is the directory, feel simple text is too ordinary, then use SmartArt to give a shape bar.Three, a key to make structural organization chartMany people think that

Namespaces: xmlns:sys= "Clr-namespace:system;assembly=mscorlib" xmlns:local= "clr-namespace:usernamespace" WPF layout 1.Cavas Canvas : Set the coordinate values for the layout, top, left, Bottom, and right such as: Canvas.settop (control name, numeric value); 2.DockPanel: Provides a relative docking position for its child controls, including the dock to starboard (dock.left) (dock.right), dock Down (dock.bottom), dock up (dock.up) 3.StackPanel face: Arranges controls in the direction of horizont

data output multiple rewrite and its solution:1. Why do you have this problem? because spark streaming is calculated based on spark Core,spark Core is inherently doing something that causes spark streaming results (partial) to repeat the output: Task重试； 慢任务推测; Stage重复; Job重试；2. 具体解决方案：Sets the number of allowable failures. Spark.task.maxFailures Number of 1Set Spark.speculation to OFF (because slow-task speculation is actually very performance-intens

"table". Table. Insert (T,string. Sub (s, Fieldstart, nexti-1)) Fieldstart = Nexti +1 --Updates the starting index position of the next field. End untilFieldstart >string. Len (s)returnTEndT = fromcsv (s) forI, Sinch Ipairs(t) Do Print(I, s)End--[[Result:1 A B 2 A, a 3 A, "B" C 4 5 Hello "world"! ]Print()--[[tests the different effects of two consecutive double quotes. The contents of each field are: 1, hello, space, double quotes, spaces, hello. 2, spaces, dou

address 12] SPARK2 [IP address 13] SPARK3Then we set up password-free SSH login.[[email protected] ~]# ssh-keygen-t RSA // set SSH login passwordReturn to the bottom without setting the password. Then execute the following command.[[email protected] ~]# cd/root/.ssh // generated key file is automatically placed in this folder [[email protected] ~~]# Lsauthorized_keys id_rsa id_rsa.pub known_hosts// at this point we have no password to login. ~]# SSH Spark1Then we pass the SSH key to o

the myID file to 1 and 2 respectively) Start Zookeeper Cluster Start separately on the three servers and check the zookeeper status.[[email protected] lib]# zookeeper/bin/zkserver.sh startThree are started after the completion of the view boot.[Email protected] lib]# zookeeper/bin/default/usr/lib/zookeeper/bin/. /conf/zoo.cfgMode:leader// close zookeeper/bin/zkserver.sh Stop // Restart zookeeper/bin/zkserver.sh RestartThe first one appears Mode:leader, the other 2 is Mode:follo

, Task retry;2, slow task speculation;3, stage repetition;4, Job retry;And so on will result in the loss of data.2, the corresponding solution:1, a task failure is job failure, set the number of spark.task.maxFailures to 1;2. Set Spark.speculation to OFF (because slow-task speculation is actually very performance-intensive, so it can significantly improve spark streaming processing performance when turned off)3, Spark streaming on Kafka, if the job fails, you can set Kafka Auto.offset.reset to l

(content + ":" + message)Val Funcresult=scala ("Spark")Funcresult ("Flink")Result Spark:flinkcurrying * * * *def sum (x:int,y:int) = X+yIntodef sum_currying (x:int) = (y:int) = X+ySum_currying (1) (3)Results 4Job: Count the total number of occurrences of all words under a folder (functional programming, knowledge points of the collection)Object Helloscala {def main (args:array[string]) {Scanparseallfile ()}Def scanparseallfile () {Val arrbuffer = arraybuffer[string] ()var i = 0;val files = (new

-rw-r--r--. 1 root root 824 Mar 30 21:37 sentinel.conf[[emailprotected] redis]# cat sentinel.conf#sentinel的端口 port 26379 Dir "/tmp" Custom server name MymaterControl IP port of the machineThe final "1" for when at least 1 from the approval of Sentinel monitoring results, awarded the main failureSentinel Monitor MyMaster 127.0.0.1 6380 1 10000ms after connecting to master is considered disconnected.Sentinel Down-after-milliseconds MyMaster 10000 Sentinel Can-failover MyMaster YesWhether Sentine

downloaded from the Internet and is an OA database. 6. New Entity Data Model7. Modify the configuration fileBecause the global configuration is used in the Web project, the configuration in App. config is copied to the Web . config in8. Add references between projectsModelIdal-->modelDal-->idal,ModelIbll-->modelBLL-->IBLL,idal,Model,DIWEB.LOGIC-->IBLL,Model,DIWeb-->web.logic,ModelRight-click the solution-project dependencies to view references between projectsSuddenly 0 o'clock, first wash and

versions of these languages ban the use of deprecated elements to separate content from Presentation.nbs P NBSP;DTD is for the browser to "see", depending on the DTD browser will be different actions, HTML5 DTD does not need to include the URL field validation as well as being semantically marked up, a HTML document needs to be written using valid code. If The code is invalid, browsers would try to interpret the markup themselves, sometimes getting it wrong. Worse Still,

(1,2,3,4,5,6); Console.log (a.filter (function(e) { return e%2==0; // //[1, 2, 3, 4, 5, 6]. reduce (function (V1,V2), value)/. Reduceright (function (V1,V2), value)Iterate through the array, call the callback function, combine the elements of the array into a single value, reduce the index from the minimum value, reduceright the reverse, the method has two parameters1. Callback function: The two values are combined into one, return the result2.value, an ini

what specific the selectoris. Rules with more specific (1) selectorsoverride Those with less specific ones. If the rules is equally specific, the last one defined takesprecedence. specificity The specificity of a selector is broken down to four constituent levels:a, B, C, and D. (The difference between pseudo-class and pseudo-elements: Http://segmentfault. com/a/1190000000484493) If the style is an inline style, a equals 1. b equals the total number of ID selecto