webpack 2 tutorial

PostgreSQL tutorial (6): Functions and operators (2), postgresql Operators 6. Pattern Matching: PostgreSQL provides three methods for implementing pattern matching: SQL LIKE operator, closer SIMILAR TO operator, and POSIX-style regular expression.1. LIKE:Copy codeThe Code is as follows:String LIKE pattern [ESCAPE escape-character]String not like pattern [ESCAPE escape-character]Each pattern Defines a collec

: create tables errorlog ( id Number primary key, errcode number, errmsg varchar2 (1024x768), Errdate date); create sequence seq_errorlog_id start with 1 increment by 1; declare v_depno dept.depno%type: = 10; NBS P V_errcode number; v_errmsg varchar2 (1024x768); begin DELETE from dept where depno = v_deptno; commi t; exception When others then NBSP ; roolback; V_errcode: =sqlcode; --sqlcode is a database keyword that represents an error code

Python basic tutorial notes-Project 2-good painting-Day1, python-day1 Today, let's start with Project 2: drawing a good image. The graphical generation package ReportLab is used in the project. Therefore, install the package easy_install reportlab first. As you can see from the book, this package is mainly used for plotting. Such as writing and drawing. Run the C

() function to filter special HTML characters.Verify the data validity1. use the trim () function to remove leading and trailing spaces of data;2. use the strlen () function to determine the data length;3. use the is_numeric () function to determine that the data is a pure number;4. use a regular expression to verify whether the email address is valid. Note: This article is a video tutorial from Li Yanh

in the user's system.3. the value stored in the $ _ FILES ["userfile"] ["s ize"] variable is the file's byte size.4. the value stored in the $ _ FILES ["userfile"] ["type"] variable is the MIME type of the file, for example, text/plainOr image/gif.5. the value stored in the $ _ FILES ["userfile"] ["error"] variable will be any error code related to file upload.This is a new feature added in PHP4.2.0. Error provides some array constants: 0: indicating no error, 1:The size of the uploaded file ex

Symfony2 under Nginx and graphic tutorial Symfony2 Session Usage Example analysis High performance PHP Framework Symfony2 Classic Introductory Tutorial Symfony Learning 10-minute Introductory classic tutorial An example analysis of Symfony data verification method Symfony form and page implementation tips An example analysis of controller usage

Database Tuning tutorial (2) Prepare slow query data and optimize Databases 1. Slow query found In the previous section, we talked about the definition of slow queries. This section describes how to create a large table and prepare data for slow queries. 2. Prepare slow query data To find slow queries, you must first make slow queries happen. Slow queries are n

Basic tutorial for Android -- 7.6.3 Socket communication based on TCP protocol (2)This section introduces: In the previous section, we introduced some basic concepts and usage of Socket, and then wrote a simple chat room for piggyDemo, I believe you have a preliminary understanding of the Socket. In this section, we will learn how to use the Socket to achieve resumable upload of large files!The following

() {echo 'the desktop Computer is running on the workstation! ';}} Class Person {public function run ($ type) {$ type-> version (); $ type-> work ();}} $ person = new Person (); $ your topcomputer = new Your topcomputer (); $ notebookcomputer = new NoteBookComputer (); $ person-> run ($ notebookcomputer ); Note: This article is a video tutorial from Li Yanhui PHP. This article is intended for communication purposes only and cannot be used for commer

## thinkphp 3 MVC mode and URL access#Lecturer: Zhao TunWeibo: Http://weibo.com/zhaotongzhengThis lesson outlines:I. What is MVC//understandingM-model writing Model classes to manipulate dataV-view Writing HTML files, page renderingC-controller Writing class files (UserAction.class.php)Second, the MVC features of thinkphp//understandingThird, thinkphp of the MVC corresponding Directory//understandingM project directory/application directory/lib/modelV project directory/application directory/TPLC

('AB', 'cd ')T. Pack ()Root. mainloop ()'''12. Test the tag impact of Delete '''#-*-Coding: cp936 -*-# The delete method does not affect the tag. That is to say, the delete text has nothing to do with the tag.From tkinter import *Root = TK ()T = text (Root)# Create a tag whose foreground color is blueT. tag_config ('B', foreground = 'blue ')For I in range (10 ):T. insert (1.0, '123 ')# Customize two marks and use them to specify text blocks for adding tagsT. mark_set ('AB', '3. 1 ')T. mark_set

Securecrt Techniques DirectorySecurecrt technique summary... 1. Installation and activation... 1. Chinese translation of some buttons... 4. Create a common session. 5. Beautify the terminal window and font .... 9. Modify the default session configuration... 10 VI. securecrt built-in file transfer... 11. Clone the session. 12. Common shortcut keys... 13. Session keeplive I. Installation and Activation Install1. Run scrt622-x86.exeat http://down.51cto.com/data/128681to download the activation tool

level change, the control shifts to a new code snippet, but also to the inner stack segment. The TSS format is visible from the Task status section in the fifth chapter of this tutorial, and TSS contains pointers to levels 0, 1, and Level 2 stacks. The SS and ESP registers are initialized by using the corresponding stack pointers in TSS to create an empty stack when the privilege level occurs to the inner

. However, for game objects, non-rectangular images and some transparent objects may cause the combination of the two textures. The most common mixing method in 2D images is completely transparent. Suppose we want to draw a koala Image 2-3) crawling on top of Eucalyptus 2-4. Koala images are stored in memory as rectangular textures, but we don't want to draw the entire rectangle. We just want to draw the pi

Virtual Machine manager VMM (Vxd tutorial 2) Copyright Disclaimer: CSDN is the hosting service provider of this Blog. If this article involves copyright issues, CSDN does not assume relevant responsibilities. Ask the copyright owner to contact the author directly. Virtual Machine Manager Translated by Ryo, published in http://asm.yeah.net, English version from [Iczelion's Win32 Assembly Homepage] The Virt

Step by step, develop the first Android project as shown in the figure below and run the Android-Android development example tutorial 2 and the first android program.1. generate an Android Application Project 1.run eclipse.exe 2. See 3. Enter the interface 4. Enter the application, project, and package name. 5. Select the workspace path created by the project;

ASP. NET 5 Series tutorial (2): Hello World, asp. nethello The content of this article is quite basic. It mainly shows you how to create an ASP. NET 5 project, including the following content: Create an ASP. NET 5 Project Add Todo Controller Install K Version Manager Perform EF migration Open Visual Studio 2015 Preview. Select"File"Menu, selectNew>Project. InNew ProjectIn the dialog box, clickTemplat

1, Version number description(1) Latest Version number: 3.3.0(2) Latest release version number: 3.2.0(3) Important historical version number: 1.14.43.1.0 and previous version number: http://sourceforge.net/projects/archive-crawler/files/3.2.0 and later version number: http://archive.org/Because the country needs, the latter can not access, so this blog research is 1.14.4 version number.2. Official materials

Python Regular Expression tutorial 2: capture, python Regular Expression Preface In the previous article, we introduced the basics of Python regular expressions. In this article, we will summarize the usage of Regular Expressions for capturing. I will not talk about it below. Let's take a look at the detailed introduction. Capture Capturing and grouping are closely related to regular expressions. Generally,

Yundun practices MySQL series tutorial (2) the best database operations in history that you don't know, mysql This article is the most basic and important operation in MySQL! Article 1: MySQL series of tutorials (I) production standard online environment installation and configuration cases and troubleshooting Article 2: MySQL series of tutorials (II) the best da