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In this way, 01 strings and 01 strings are used. When I was doing something today, I found a few interesting things and wrote them down to share them with you. Starting with a few minor issuesHow do you record a person's age group ~ 70 or something like that? You may say it is very simple. Use two fields: start => start age, end => end age, or use the format of start | end in one field, separate them with a

How the time of 2014-1-1 after submission became 2014-01-01 When I import data using an Excel table, for example: $KQ _date= $data->sheets[0][' cells ' [$i][3]//This is the 3rd column, if it's 2014-1-1 So how to make $kq_date write to the database when it becomes 2014-01-01, because if it doesn't become 2014-

[01] accordion effect implementation, 01 accordion implementation Idea: select several images. CSS write style.The effect process is that when the mouse overwrites the image, the width of the image increases. The image width of other brothers is reduced. The effect is as follows: See the Pen EVLWQN by moyu (@ MoYu1991) on CodePen. The CSS code is as follows: @ Charset "UTF-8"; * {margin: 0px; padding:

01-complexity 3 binary search, 01-Binary Search This is a function question. The question provides corresponding interfaces to complete the subfunction. The given function interfaces and struct are defined as follows: # Include We can see that we need to perform binary search for a linear table stored in a linked list. The procedure is as follows: Position BinarySearch (List L, ElementType X) {Position

RabbitMQ original translated 01 -- Introduction, rabbitmq translated 01 -- Introduction All the articles in this series are from the original articles on the official website and belong to personal translators. If there are similar articles, you can archive them and try again. RabitMQ is a message-oriented middleware that receives messages from the message producer and sends them to the Message consumer.

Object-oriented basic advanced 01 and object-oriented advanced 01 Object-Oriented Programming is now a big environment of today's programming, so it is necessary to review the object-oriented knowledge. I. Class and Object 1: Software System Input {User Interface} Operation {business logic} Store {database} output {interface or other files} 2: understanding of Objects Objects are common things around

Spring4 declarative transaction -- 01 annotation method, spring4 -- 01 1. Introduce the tx namespace in the spring configuration file xmlns:tx="http://www.springframework.org/schema/tx" 2. Configure the Transaction Manager 3. Enable transaction Annotation 4. Add @ Transactional above the corresponding business code method to indicate that this method is managed by transactions

Hadoop exception and handling Summary-01 (pony-original), hadoop-01 Test environment: Local: MyEclipse Cluster: Vmware 11 + 6 Centos 6.5 Hadoop version: 2.4.0 (configured as automatic HA) Test Background: After four normal tests of the MapReduce Program (hereinafter referred to as MapReduce), a new MR program is executed, and the console information of MyEclipse is stuck, I remotely connect to NameNode to

Python _ basic syntax _ 01, python basic syntax _ 01 There are still a few months before graduation. I wanted to go to the company for an internship early, but I don't want to release the gb School. Well, in this case, learn the language. Reference and http://www.cnblogs.com/vamei, I followed this blog tutorial, specific you can view the blog of this blogger. Remember to stick the code and comments of the s

Starting from scratch -- small problem encountered by e-commerce platform 01 _, e-commerce platform 01 How does one set auto-increment on the visual interface of MySql? When the data type is Int, the auto-increment option is automatically displayed. What is $ {pageContext. request. contextPath? Reference: http://jzgl-javaeye.iteye.com/blog/658446 Using this jsp in a similar way to obtain an absolute path

Python entry notes 01 and python entry 01☆Write and execute the code in the Python interactive environment:-enter Python in cmd. If you see >>>, you can enter the Python code and press enter to execute the code. -If you do not see it, there are two possible reasons: 1. the Python environment is not installed. Please download it from the Python official website (www.python.org. 2. This is because Windows wil

Console.WriteLine () commands, you get the following result:97Even though two variables store the same information, they are interpreted differently using different types.Simple types have many implicit conversions; bool and string do not have implicit conversions, but numeric types have some implicit conversions. Table 5-1 lists the numeric conversions that the compiler can implicitly perform (remember that char is stored as a numeric value, so char is treated as a numeric type).The implicit c

Spring basics-01, spring-01 IOC: inversion, DI: dependency injection refers to injecting the called instance into the caller. AOP is a reflection of the proxy mode. Spring uses JDK's dynamic proxy by default, mainly the proxy interface. If the business object does not implement the interface, CGLIB proxy is used by default. For example: Xml configuration Practical code to get bean: // Create Spring context

01: Numeric conversion, 01 numeric Conversion01: Numeric Conversion View Submit Statistics Question Total time limit: 1000 ms Memory limit: 65536kB Description Returns the conversion of any two non-negative integers of different hexadecimal notation (decimal order ~ Hexadecimal), the given integer is within the range that long can express.Different hexadecimal

[Reconstruction learning] 01 reconstruction and performance, reconstruction learning 01 Performance Refactoring does not mean better performance, but Refactoring can make performance optimization easier !!! About writing high-performance code Prerequisites for writing high-performance code:First, you have to have a program that can be adjusted. Just as if someone asks you how to get along with your girlfrie

Compile lightweight ajax components 01-comparison with various implementation methods on the webform platform, 01-webform Preface Asp.net WebForm and Asp.net MVC (MVC) are both web development frameworks based on Asp.net. There is a big difference between them. One of them is that MVC pays more attention to the http nature, while WebForm tries to block http, therefore, a large number of server controls and

Mac OS 10.10 has its own apache2 and PHP (php path I still do not know, too lazy to find)Install MySQL with brew,Download the phpMyAdmin on the official website, and configure it officially, no login, no error code, just say "unable to log on to MySQL server"Looked at a lot of ways, did not solve, because other people's mistakes there are error codes, after thinking ....I think it should also be a MySQL server configuration problem, you can see the status of MySQL informationUse MySQL to enter t

Jquery encapsulation (learning) 01, jquery encapsulation learning 01 1. during the development process, we often use repeated jquey code. The most common is where we need to copy and paste the code, which greatly increases the redundant code and makes maintenance inconvenient. Why don't we encapsulate the common jquery code and call it wherever necessary? 2. From now on, I have learned how to encapsulate

EasyUI self-study 01, easyui self-study 01 JQuery EasyUI is a jQuery-based framework that integrates various user interface plug-ins. The jQuery EasyUI framework provides everything you need to create a web page and helps you easily build a website. I am a good news for people who are not suitable for front-end UIS. Now I will record the first day of easyUI. Download the package at http://www.jeasyui.net/do

Recalling Java memoirs (1): Java 01 basic data types and statements, Java 01 Basic requirements for writing java programs 1. Writing a java class is actually writing a java file (by default, the class name and file name must be consistent) 2. classes should be written in a package) Package Description: display of a folder (reflecting the hierarchical relationship of a file) The layers in the package depend