exploris elementary

executes, and loop the return value.The following is the complete code.varQ = {defer: function(){' use strict ' //Normal result set varResultqueue = [];//error handling handle varErrorhandle = function(Error){};varPromise = {then: function(FN){ //Store each then callback function for uniform processingResultqueue.push (FN)returnPromise}, Done: function(){ return{Catch: Promise.catch}},Catch: function(FN){

Mao Shan everbright Large group: Lin Qingguang, Lu Shengtian, Huang Xiungjun, Chen Ziyi . After three phases of collaborative efforts, co-operation, "Primary school arithmetic" app has realized all the functions originally conceived: User registration and login (including retrieve password, remember password function), user registration completed at the same time become a game account (can be upgraded, add coin function), which, The core functions of the program include addition, subtraction, mu

This article mainly introduces about the PHP source code 31: PHP Memory Pool in the heap stack (heap) Layer Foundation, has a certain reference value, now share to everyone, the need for friends can refer to Elementary Introduction to PHP Source 31: Heap Layer Foundation in PHP memory pool OverviewPHP's memory manager is layered (hierarchical). This manager has three tiers: storage layer (storage), heap layer, and emalloc/efree layer. In the PHP sou

This article mainly introduces the introduction of PHP source code 17: About ARRAY_DIFF,ARRAY_UDIFF,ARRAY_DIFF_UKEY,ARRAY_DIFF_UASSOC,ARRAY_UDIFF_UASSOC, Have a certain reference value, now share to everyone, the need for friends can refer to Elementary Introduction to PHP source code 17: About ARRAY_DIFF,ARRAY_UDIFF,ARRAY_DIFF_UKEY,ARRAY_DIFF_UASSOC,ARRAY_UDIFF_UASSOC These 4 function calls are the same function Php_array_diff, the difference is the

This article mainly introduces about the PHP source code 11: About the introduction of Array_key_exists,in_array, has a certain reference value, now share to everyone, the need for friends can refer to Elementary Introduction to PHP source code 11: About Array_key_exists,in_array Array_key_exists(PHP 4 >= 4.1.0, PHP 5) array_key_exists-checks whether the given key name or index exists in the arrayDescriptionBOOL Array_key_exists (mixed key, array sea

Manual SQL injection (elementary) I also learned SQL injection for a week. This article is intended for beginners. SQL injection attack and defense http://www.ddooo.com/softdown/50160.htm1. find the website with SQL injection Method: In google, enter site: kr inurl: php? Id = open the url that appears, and add '(comma) after the URL. if the page jumps, there may be SQL injection. Principle: Generally, the URLs are similar to search. php? The SQL stat

[Switch] php Elementary tutorial (5) php form processing now introduces php form processing. here I will introduce two http message sending methods, get and post. For example, http: // host/1.php? Id = 6 name = cosbeta then the 6 is sent to the server through get. the php script of the server will put this variable in the $ _ GET array. So now we can retrieve the value $ id = $ _ GET ['id']; // id = 6 $ name = $ _ GET ['name']; // cosbeta Then we c

Currently, there are many Silverlight tutorials on the network. Here I will explain how to develop Silverlight from the perspective of a flasher. In the elementary tutorial, every operation is implemented in the simplest way possible. It is intended for those who have never touched Silverlight learning from 0. I am neither a Microsoft employee nor an Adobe employee here. I am just a common developer. It makes some contributions to better promote Sil

I read an article a few days ago.ArticleVery good: 10 tips for programmers from elementary to intermediate Based on my own situation, I listed my actions: 1. learn another language Currently, the main languages are C and C ++. Learning a new language this year is initially selected as the go language. In addition, if you have time, study Perl. 2. Learn advanced search techniques, techniques, and strategies Learn about Google's advanced searc

In the next tutorial, we will add EditText on the interface. What is EditText? You can see the name. What? You didn't learn English well in elementary school. I was dizzy. Edit means editing. Text means Text, and the Text control can be edited together. Let's take a look at main. xml. Android: orientation = "vertical" android: layout_width = "fill_parent"Android: layout_height = "fill_parent">Android: layout_width = "match_parent" android: id = "@ + i

[JAVA #183; elementary]: 19. Container classOverview A container is a collection of data. (Java provides an interface to specifically constrain the implementation classes of our containers) Set: does not allow duplicate objects toenter the collection of elements SortedSet: similar to set elements t that theelements in the set are stored in ascending order List: is ordered, maintain an order asobjects are added and removed from the collection, can

C # OO (elementary idea )., Inheritance, polymorphism, encapsulation In C #, In order to reasonably describe the laws of nature, object-oriented programming introduces the concept of inheritance, which is one of the most important concepts in object-oriented programming, defines how to create a new class based on the existing class. Inheritance:A subclass derived from a class has all the public attributes and methods of the class. The parent class is

[JAVA #183; elementary]: 13. InterfaceDefinition What is? It is a set of standards, a set of rules, and a set of unified requirements for all classes. What? It appears to implement multi-inheritance. What is there? It contains only two ingredients: 1) public static constants. 2) abstract methods. How to do it? Use the interface keyword. Format: Public interface name {.....} Known: 1) existing interfaces (provided by experts ). 2) custom interfaces (w

The four principles of computing in elementary school Import java. util. Random;Import java. util. collections; Public class test {Public static void main (String [] args ){Int n;Running in = new Processing (System. in );Do {Do {System. out. println ("how many digits do you want to perform the four arithmetic operations? ");N = in. nextInt ();} While (n Int x = new Random (). nextInt (int) Math. pow (10, n) + 1;Int y = new Random (). nextInt (int) Mat

Computer questions (Elementary)-Java Network Operations-printing web pages (Java) Print a webpage and be familiar with Java Network Programming: import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.net.MalformedURLException;import java.net.URL;import java.net.URLConnection;public class URLReader {public static void main(String[] args) {System.out.println(getContent());}private

Computer questions (Elementary)-database transactions (Java) /** File name: JDBCTestCase. java * Copyright: Copyright 2006-2011 Huawei Tech. co. ltd. all Rights Reserved. * Description: JDBCTestCase. java * modifier: z000000659 * modification time: 2011-12-2 * modification content: Add */? Import java. SQL. connection; import java. SQL. driverManager; import java. SQL. preparedStatement; import java. SQL. resultSet; import java. SQL. SQLException; imp

Computer questions (Elementary)-Snowball example code (Java) In the previous section, the effects of the stars are achieved. This section will implement a small example of snowball rolling. here we need to use the re-painting and thread knowledge. The Code is as follows: import java.awt.Color;import java.awt.Frame;import java.awt.Graphics;import java.awt.Panel;public class SnowBall {public static void main(String[] args) {Frame frame=new Frame();fram

Computer questions (Elementary)-How to Implement Socket communication between the client and the server through Java) Many beginners are not familiar with java Network Communication and are not familiar with related concepts. Here we mainly implement socket communication, which is widely used in java, for example, QQ and MSN are both based on socket communication. What is socket? A socket is an ip + port. Let's take a look at how the simplest socket c

Computer questions (Elementary)-drawing the full-sky-star instance code (Java) It is very simple to draw a small program with a canvas and a paint brush. It is suitable for beginners to learn and use: Import java. awt. color; import java. awt. frame; import java. awt. graphics; import java. awt. panel; public class DrawStar {public static void main (String [] args) {Frame frame = new Frame (); frame. setSize (1024,768); frame. setBackground (Color

Foreground GridView property settingOperationViewBackground Data binding:Because you are connecting to an Oracle database, you need to import a namespaceUsing System.Data;Using System.Data.OracleClient;String Conn = "server=mrm;uid=bcc;pwd=bcc.51";OracleConnection cconn = new OracleConnection (Conn);OracleDataAdapter Da = new OracleDataAdapter ("SELECT * from T_user", cconn);DataSet ds = new DataSet ();Da.fill (DS);This. Gridview.datasource = ds. Tables[0]. DefaultView;This. Gridview.databind ()