Package palindrome, public class Yhishuiwen {public static void Ishuiwen (String arr[]) { boolean flag=true;//flag bit for (int i=0;i asks if an array of type string is a palindrome, returns 1, otherwise returns-1
MyBatis inserts data in batches and returns the primary key. mybatis returns the primary key.
Many people on the Internet say that MyBatis does not support batch insertion and the primary key is returned. This is a misunderstanding. If you want MyBatis to directly return a list containing the primary key, that is, the return value of the batch insert method in the mapper interface is List
For example, ente
The java interface returns the json data format. The java interface returns the json data format.
The following code:
@ RequestMapping (value = "getCode1.html ")@ ResponseBodyPublic JSONObject getJSON (){List Map JSONObject json = new JSONObject ();Map. put ("message", "111 ");Map. put ("message2"," 222 ");Map. put ("message3." 333 ");Map. put ("message", "444 ");Map. put ("message5", "555 ");Map. put ("mes
The NextSibling property returns the node immediately following a node (in the same tree hierarchy) PreviousSibling property returns the node immediately before a node (in the same tree hierarchy).
But in most cases, we want it to return 0 instead of NULL if the condition record is not met, so we can use the following method, for example:SELECT COALESCE (SUM(isnull(filed,00as[filed1] from table1Okay, so you don't have to bother with the case of whether the return result is null.The COALESCE function means returning the first empty value in the argument list, which allows multiple arguments to be passed in, which is also a standard function in SQL.There are no qualifying records, and the SU
. adddays (-6 );Tuesdaytime = datetime. Today. adddays (-5 );Wednesdaytime = datetime. Today. adddays (-4 );Thursdaytime = datetime. Today. adddays (-3 );Fridaytime = datetime. Today. adddays (-2 );Saturdaytime = datetime. Today. adddays (-1 );Sundaytime = datetime. today;Break;}
There is a time field in the table. This field is used to obtain records within one day.
It mainly uses the datediff function of SQL: returns the number of days between two d
Jquery returns the base case results, while jquery returns the case
Case study of Jquery + ajax Implementation of partial refresh
Take adding a user as an example. This is part of the jsp code.PageEncoding = "UTF-8" %>Href = "$ {pageContext. request. contextPath}/common/css/plantform/common.css"Type = "text/css"/>Href = "$ {pageContext. request. contextPath}/common/css/plantform/list.css"Rel = "stylesheet
[Code note] the ID card number returns gender, and the ID card number returns gender
I. Code.
-(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. NSString * sex = [self sexStrFromIdentityCard: @ "139876456767892345"]; NSLog (@ "-- sex -- % @", sex );} // gender returned by the ID card number-(NSString *) sexStrFromIdentityCard :( NSString *) numberStr {NSString * res
Mssql returns the table creation statement. mssql returns the creation statement.
If OBJECT_ID ('SP _ create_table_ SQL ', 'P') is not nullddrop proc sp_create_table_sqlgocreate proc sp_create_table_ SQL (@ tablename varchar (255 )) as begin -- exec sp_create_table_ SQL 'ad _ adgroup' -- 0. hong En-1. indexes of non-primary key classes are not supported -- 2. non-default sorting of the primary/secondary key
Spring MVC returns the json format. springmvc returns the json format.
When SpringMVC framework is used to directly return json data to the client, different versions may vary.
The following describes how to configure two types of versions.
Note: Both methods have been verified.
1. Spring3.1.x
1.1 dispatcher-servlet.xml configuration file is as follows:
Xmlns: xsi = "http://www.w3.org/2001/XMLSchema-instanc
GetResponseStream throws an exception, the exception hint is badrequest.To get 400 of the information returned, you need to do special handling of the catch section.To add a catch code:1 using(WebResponse response =e.response)2 {3HttpWebResponse HttpResponse =(HttpWebResponse) response;4 using(Stream data =Response. GetResponseStream ())5 using(varReader =NewStreamReader (data))6 {7
the program indefinitely{Char *s=new char[100];Char *t=new char[50];coutGets (s); //The acquired string is stored in the character pointercoutGets (t); //The acquired string is stored in the character pointerint N=index (S,T);if (n==-1)coutElsecout}}The result of the final program operation:You can see the effect is good, whether it is a word or a string, both meet the requirements.Writes the function int index (char *s,char * t) in the C + + language, retu
; Public intresult; } Public classSQL {[XmlText] Public stringvalue; } [Serializable] Public classfile {[XmlAttribute] Public stringname; [XmlText] Public stringvalue; } Public classdesc {[XmlText] Public stringvalue; } [Serializable] Public classversion {[XmlAttribute] Public stringname; }/// ///serializes the specified object into an XML-formatted string and returns. /// /// objects to serialize ///
Label:In SQL Server, the number of affected rows returned is: If @ @RowCount In Oracle, the number of affected rows returned is: If sql%rowcount Cases: Sql server: Create procedureproc_test@Stat int=0,
@MsgId varchar( -)="',
as
BEGIN
UpdateT_mtSetStat=@Stat, Ostat=@Stat, Rpttime=Getdate()WhereMsgId=@MsgId
If @ @RowCount1 --INSERT into T_STATBUF without update success
Insert intoT_statbuf (Msgid,stat,rpttime)Values(@MsgId,@Stat,Getdate())
MVC returns a file. mvc returns
The previous article introduced Action returned View, and also saw the processing of returned Json. This article does not look at the source code returned by the file. This article is for application.
1. Response returned File
In the MVC project, we can still see many colleagues who prefer to use Response to return files. For example:
public void Index(){ var path = Server
Returns data from the Activity. The Activity returns data.Return data from Activity
I. Introduction
In this example, the intent method is used to return data.
Ii. Steps
Access the Activity01 page through a button in MainActivity, and then return the data on the Activity01 page to the MainActivity page.
Call Activity page: MainActivity
Called page: Activity01
Receiving value page: MainActivity
Value Trans
Javascript returns to the top, and javascript returns to the top.
HTML:
CSS:
#btn1{position:fixed;bottom:10px;right:10px;}
JS:
Window. onload = funcition () {var oBtn = document. getElementById ("btn"); var timer = null; // declare a variable to see if it is a system or if the user rolls var sBys = true; window. onscroll = funcition () {if (! SBys) {clearInterval (timer);} sBys = false;} oBtn. onclick = fu
JQuery returns to the top and jquery returns to the top.
When the content of a page is relatively long, there is usually a "Back to Top" button at a fixed position in the lower right corner of the page. After clicking it, the page's scroll bar gradually rolls back to the top, this article describes an implementation process.First, a button is required.
Then locate this element to the bottom right corner.
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