chatbot learns

, i) = = E.result); As long as one is false, that is falseConsole.log (NEWARR6); False7. ~ ~ operator~ Symbol used in JavaScript has a bitwise negation, ~ ~ is to take the inverse two times, and the operation value of the bitwise operation is an integer, the result is an integer, so the bit operation will automatically become an integer, can be cleverly removed fractional part, similar to parseint, such as:Let A = 1.23;Let B =-1.23;Console.log (~~a); 1Console.log (~~B); -18. | | OperatorClever U

Org.spring.bean;public class Beanscope {public int say () {return this.hashcode ();//The same instance is determined by the returned Hashcode)}2.5 spring.xml2.6 Web 2.7 Beanscopeaction.java Package Org.spring.action;import Java.util.arraylist;import Java.util.list;import javax.servlet.http.HttpSession; Import Org.spring.bean.beanscope;import Org.springframework.beans.beansexception;import Org.springframework.context.applicationcontext;import Org.springframework.context.ApplicationContextAware;

- -List_3 =list_1.union (list_2) - Print('subset:', List_1.issubset (list_2), List_1.issubset (List_3))#Judging is not a subset + Print('Parent Set:', List_3.issuperset (list_1)) -List_4 = Set ([333,5555,66666]) + Print('judge whether there is no intersection if it is not true:', List_1.isdisjoint (list_4)) AList_4.add (44444) atList_4.update ([11111,2222,66,333]) -List_4.remove (333) - Print(List_4)practical ways to set up1 #!/user/bin/env python2 #-*-coding:utf-8-*-3 __author__='Howie'4info

languages "" with open ( Span style= "color: #008080; Font-weight:bold "" "File", as f: data = Json.load (f) print (data) print (type (data)) print (data[ 　　 The above program implements serialization and deserialization functions, dump (information, file path), load (file path), from which file to read information.The exchange of data between different programs is implemented.The exchange of data between different programs, or the conversion of the information of a string i

(){Super.viewdidload ()multiple statements need '; ' In one line Separated. A single statement is not required by default '; 'Let A = 10; Let B = 20Print ("a=\ (a); B=\ (b) ")1. Create a ViewLet V = UIView (Frame:cgrect (x:20, y:40, width:100, height:200))Set Background colorV.backgroundcolor = uicolor.red//TODO: The new color should be setV.backgroundcolor = #colorLiteral (red:0.7450980544, green:0.1568627506, blue:0.07450980693, alpha:1)Add to Current ViewView.addsubview (v)2. Create a button

voidsetbeanname (String name) { *System.out.println ("The Student Bean name is:" +name); $ }Panax Notoginseng}1 Packagecom.advancedWiring.ambiguityIniAutowiring2;2 3 Importorg.springframework.beans.factory.config.ConfigurableBeanFactory;4 ImportOrg.springframework.context.annotation.Bean;5 ImportOrg.springframework.context.annotation.ComponentScan;6 Importorg.springframework.context.annotation.Configuration;7 ImportOrg.springframework.context.annotation.Scope;8 9 /**Ten * Created by ${Quin

that the parameters can be selected for input, not required, of course, the choice also represents a default value, note the definition of the function, that is, this function can be entered as:Str.endswith (suffix) str.endswith (suffix, start) str.endswith (suffix, start, end)This understanding can not be defined when the function is actually defined.4.5 In-depth understanding of functionsfunction is also an object similar to JS, the method name is just a reference to the function object, this

addgifheaderwithrefreshingtarget:self refreshingaction: @selector (refreshdata)]; //set up an animated picture of a normal stateNsmutablearray *idleimages =[Nsmutablearray array]; for(Nsuinteger i =1; i -; ++i) {UIImage*image = [UIImage imagenamed:[nsstring stringWithFormat:@"Dropdown_anim__000%zd", I]]; [Idleimages Addobject:image]; } [Self.tableView.gifHeader setimages:idleimages forstate:mjrefreshheaderstateidle]; //set up an animated picture of the state that is about to refreshN

Python script file, the third parameter is the source page to crawl (there is another consideration in the code, if you will https://news.cnblogs.com/n/570992/ This URL is copied to the system Clipboard and can be run directly: Py.exe d:/get_cnblogs_news.pyCommand line output interface (print)　　Content saved to a CSV file　　Recommended Novice Python Learning bookcase or materials:1) Liaoche python tutorial, very basic easy to understand: http://www.liaoxuefeng.com/wiki/0014316089557264a6b348958f

) position, keyword mixed transfer parameterdef Mymax (x, y ): # at this point x = 10,y = Print (x, y) if Else y return = Mymax (10,y =)print(MA)Note: The positional parameter must precede the keyword argument and can only be assigned one time for one parameter.Default parameters: (this parameter will not change in most cases)def " male " ): "" " print student information function, because most of the students in the class are boys, so set the default parameter sex's defa

addgesturerecognizer:rotation];}Rotation Event-(void) Rotationaction: (Uirotationgesturerecognizer *) rote{Rotation transformation _imageview.transform by transform =Cgaffinetransformrotate (_imageview.transform, rote.rotation);Position the rotation angle to 0rote.rotation =0;}#pragma edge gestures//Create edge gesture-(void) screenedgepangesturerecognizer{uiscreenedgepangesturerecognizer *screenpan = [[ Uiscreenedgepangesturerecognizer Alloc]initwithtarget: SelfAction:@selector (screenpanacti

loop, so the output 0,14) functionconvenient for us to repeat the use of a certain function;Return is used to return a value, the function body will end when the return is encountered, and if there is no return, Python will throw none, indicating no value4.1) parameter passing of the function:The value of the function parameter of Python, which is the values of the memory address that the variable points to;Classification: Non-changeable object parameters, variable object transfer4.2) Python Va

Basic data types Integer Floating point String Boolean value: True,false, Operator: And,or,not Null value: None differs from none Variable Declaration does not require a keyword Variable type is variable, dynamic language Constant The contract is uppercase, there is no mandatory requirement List Similar to the array in JS, such as List = [1, ' 2 ', [3,4]] Tuple (tuple) function is similar to list, but cannot be changed after initialization (po

,int *eof,void *data);static int __init test_proc_init (void){Create_proc_read_entry ("Read_proc", 0,null,read_proc,null);return 0;}static void __exit test_proc_exit (void){Remove_proc_entry ("Read_proc", NULL);}int Read_proc (char *page,char **start,off_t offset,int count,int *eof,void *data){int len = sprintf (page, "%s\n", "Hello World");return Len;}Module_init (Test_proc_init);Module_exit (Test_proc_exit);Module_license ("GPL");Module_author ("Wangxq");#cat/proc/read_procHello WorldApplicati

later, that is mp3 in this example)Landlord does not have mp3 placed in the Linux inside, so the output is deployed, the format of reference to the default du command Next is the DF command, check the disk utilizationDfTyping the above, outputs a table consisting of 6 columns. All the columns is very easy to understand. Remember the ' Size ', ' used ' and ' Avail ' columns use kilobytes as the unit. The ' use% ' column shows the usage as a percentage which is also very useful.The output t

not much, nProcess PoolThe process pool maintains a sequence of processes that, when used, gets a process in the process pool, such as a process pool that is not available to use in the song process pool, and the program waits until the process pool has processes availableThere are two methods of process pooling: Apply (Sync) Apply_async (asynchronous) Co-processThe operation of threads and processes is triggered by the program interface, the final performer is the system, the

) 1-----stdout (standard output) 2-----stderr (standard error) CMD 2> error.txt Redirect all errors to Error.txt CMD 2>1 all.txt Redirect all the outputs to All.txt equals cmd > all.txt 11. ArraysArry_var= (1 2 3 4 5 6)Prints the element of a specific array echo ${arry_var[1]} with a value of 2List all values in the array echo ${arry_var[*]} result is 1 2 3 4 5 612. Associative arraysDeclare-a Fruites_valueFruits_value= ([apple]= ' 10yuan ' [orange]= ' 15yuan ')Display speci

three:put/etc/Rc.local the link file to the current directory and keep the link without copying the file itself [[emailprotected] dream]# cp /etc/rc.local ./ [[emailprotected] dream]# ll 总用量 4 - RW - r -- r --. 1 root root 473 5 month Span class= "lit" >11 10 : 11 RC local [[emailprotected] dream]# cp -d /etc/rc.local ./ [[emailprotected] dream]# ll 总用量 0 lrwxrwxrwx. 1 root root 13 5月 11 10:13 rc.local -> rc.d/rc.local After reading

Linux in enterprise applications, focusing on network servers, mission-critical applications (financial database, large Enterprise network management environment) and high-performance computing tasks.Linux focuses on desktop computers, handheld systems (PDAs, mobile phones), embedded devices (such as household appliances, etc.) in the use of personal environments.Linux distributions has been developed for desktop computers, such as Ubuntu,opensuse and Fedora, and is a great tool for learning X w

and scalability, users just pay the lineStand-alone server: Customers own a single serverInstalling Apache Note that the Apache Service program's package name is httpd, so Yum will not install Apache #yum Install httpd #systemctl Start httpd #systemctl Enable Httpd.service Open the browser, enter 127.0.0.1, you can see the default page, I use ELinks650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/99/9F/wKioL1lKOW3yQYuyAAI4QxaydTU605.png "/> This article i