note recognizer

Result learning Note (iii) results set with parameters Part one: codeFront web.xmlClass Pack Package Com.struts2.user.action;import Com.opensymphony.xwork2.actionsupport;public class Useraction extends actionsupport {private int type;public int GetType () {return type;} public void SetType (int type) {this.type = type;} @Overridepublic String Execute () throws Exception {return "Success";}}Show Part II: Analysis1.2.Objective:Constructs a user Action o

PHP Learning Note 1-constants, functions, PHP learning Note 1-constants Constants: Use const (PHP5) Declaration, can only be assigned once, PHP5 the following versions use define; 1 PHP2const the_value = 100; // only const in PHP5 3 Echo The_value; 4 5 Define (' The_value ', 200); // older versions below PHP5 can be used define 6 Echo The_value; Function: A code block that wraps a lot of functions;

Refactoring note-the bad taste of the Code (below), refactoring the taste of the note code This article is in the study of the summary, welcome to reprint but please note the Source: http://blog.csdn.net/pistolove/article/details/42083495 In the refactoring note-the bad taste of the Code (I), 11 of the 22 bad tastes a

Practice Note-the non-Hash object in python is set to a hash object, note-python Before this article, I have translated the official python3.3 hashable object document. You can refer to it first: Practice Note-what is a hash object in python? What is hashable object in python? Prerequisites: When defining a class, if we need to rewrite the _ eq _ function of the

Python feature note (1): python feature note 1. constructor and destructor 1. python has constructor and destructor, which are the same as other languages. If the subclass needs to use the constructor of the parent class, it needs to be explicitly called in the constructor of the subclass. If the subclass has its own constructor, the constructor of the parent class is not automatically called. However, fo

SQL Server data insertion performance note, SQL Server Insert NOTE I haven't paid much attention to SQL Performance for a long time. Because the recent project neither has tens of millions of massive data nor has too many performance requirements, it does not have to work hard on performance. However, I spoke about the program as soon as I talked with my friends about it. He said that he used Delphi to impo

PHP Learning Notes (iii): Data type conversions and constants introduction, Learning Note constants One, PHP data types convert each other 1. Forced conversionCopy the Code code as follows:Bool,int,float,string,array,object,nullBOOL Settype (mixed $var, string $type)1) Change the type of the original variableCopy the Code code as follows:$a = "123a"; StringSettype ($a, "int"); Do not omit double quotesVar_dump ($a);2) defined before assignment, does

Symptom Composite sap Note: bapis and idocs for the AC Interface This note answers frequently asked questions regarding: Bapi documentation The business transaction Concept Enhancement of the interfaces (SAP and customer) The importance of the parameter obj_type (reference transaction) Navigation between the parameters (parameters obj_key and obj_sys) Summarization of documents in FI and CO

151 suggestions for improving java programs-Note 1, java151-Note I. common methods and guidelines for Java Development 1. do not contain confusing letters in constants and variables. Eg: long I = 1l. Is this 11 or lL? We recommend that you use uppercase letters; 2. Do not change constants into variables. Eg: public static final int RAND_CONST = new Random (). nextInt (); 3. The three element types must be c

Git branch learning note and git branch note Introduction After two times of Git content, I forgot the concept of branch in the next day and thought it was not very useful. Then I read it again to find out why it is an extremely important thing in Git. The so-called branch is similar to the branches of a tree. It has a trunk and becomes a master in Git, which is also easy to understand. This must exist, the

[IOS] File Upload note, ios note The APIS provided by the system can be used in iOS to upload and download files in two ways.NSURLConnectionAndNSURLSession. NSURLConnection is a method that has been in use for a long time, And NSURLSession is a new method. I. POST upload By default, the POST method uses: * Content-Type: application/x-www-form-urlencoded. * to input Chinese characters, the post method is au

Leetcode Note: 3Sum, leetcode note 3sum I. Description Ii. problem-solving skills This question is similar to the Two Sum of another question. However, this question is used to search for three numbers in the array so that the Sum is 0. At the same time, it is required that the three numbers only appear once. If we only need to use the brute force algorithm, the time complexity is O (n ^ 3), and it is dif

Python study note 5, functions and their parameters, and python learning note Functions How to customize a function in Python: The format is def function name (function parameter ): Content After writing a function in interactive mode, press ENTER twice to return >>> Pass is used as a placeholder for a function that is null (which means nothing is done). That is to say, if you don't want to write any funct

[Code Note] Some functions used to judge the iphone, take note of the iphone Code: # Import "RootViewController. h "// Add the header file # import" sys/utsname. h "@ interface RootViewController () @ end @ implementation RootViewController-(id) initWithNibName :( NSString *) bundle :( NSBundle *) handle {self = [super initWithNibName: nibNameOrNil bundle: nibBundleOrNil]; if (self) {// Custom initializatio

Millet Note on the new one-hand mode, then its function and other mobile phone what is the difference? Let's look at the next one. 1, we in the Millet note phone Press "Home" key to "return" key, and then you will find the mobile phone into the right hand mode interface as shown in the following figure. 2, if the hands from the "home" key to the "multitasking" key, so that the phone quickly i

The html table content is in note, and the html table note Although table tags are rarely used, they are useful in some cases. Generally, the order of reading a webpage is from large to small, from top to bottom, from left to right. This layout is the most suitable for reading habits. The table layout is also the same. When we use the center label, the entire table is centered by default, instead of the co

First, the XAML layout and C # code are combined for layout,When you add a control in a XAML file, set the name in the property bar so that you can get the name of the control in C # codeThis can be used as an object operation in C # code, setting the properties of the objectFor example, the layout of the current control relative to the parent controlDescribes a common layout grid that allows you to set the properties of rows and columns through collections of columndefination and RowdefinationT

Python note (8): web development and python note web development # In Windows, two more things should be set for Unix systems. (1)Design web applications with MVC Model-view-controlle) Model: code for storing web Application Data View: Format and display the code on the web Application User Interface Controller: code that binds web applications and provides business logic (2)Recommended folder structure

One note per day ---- beginner python, note ---- beginner python When I first came into contact with python, I also wanted to make it easier to understand this language. Remember it every day! I will not talk about python in a mess here. For more information on the Internet, let's start with writing the first python code. First, I believe that the first time I came into contact with a programming languag

Filter filter Note 1, Filter filter note Filter: Filter　　 Filters are mainly used to pre-process user requests. They can also post-process HttpServletResponse, which is a typical processing chain. The complete process of using the Filter is: the Filter processes user requests, then sends the requests to the Servlet for processing and generates a response, and finally the Filter processes the server response