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This article mainly introduces 40 common mistakes of PHP programmers. Basically, I have been shot in every article. how many mistakes have you made? 1. do not write comments 2. do not use IDE tools that can improve production efficiency 3. do not use version control 4. write code not in accordance with programming specifications 5. do not use uniform methods 6. don't think about and plan before coding 7. do not perform encoding and securit

This article from the network and SW predecessor, 2nd I changed. SolidWorks learns 40 rules that must be read 1. Consider SolidWorks as a new course of study; 2. See Software Help (in the top right corner of the software interface). In the SolidWorks tutorial, follow the tutorial from start to finish, do not choose to write down the skip, later feel the problem, and then learn again. This way of learning is important for beginners, any software help f

The Application of slide effects is very popular in today's web design, which is an effective way to highlight the key and enhance the visual taste. From a technical point of view, the popularity of jquery makes the implementation of slides very simple. The following shows 40 creative slides. 1. Tea round 2. bixal 3. Jay Hollywood 4. squared eye 5. Mimeo 6. Print mor 7. rottefella 8. These are things 9. We are fixel 10. winestore.

Recently participated in a programming competition, there is a few question bank, this topic is one of them.Of course, if you want to exercise your programming level, you can go to Lintcode or other websites to brush the problem.I was so confident that it took me one hours to write it down, and I was ashamed.It was implemented using string, after all, it was programmed with C + +. Without thinking how to write, there is no use.Title Description: Given 2 positive integers a, b,a and B ca

This article lists 40 design excellent photographer's work collection website design, for everybody's reference. This is a collection of websites designed for excellent collection of works. There are a lot of talented photographers at home and abroad, and some of the photographers ' collections are just as good. This article lists 40 design excellent photographer's work collection website design, for everyb

Axure8.0 Basic Tutorials (31-40) novice must master the basic operation directory of this document Base 31. Switch Component libraries 2nd Chapter Page Setup Base 32. Set Page Center Base 33. Set page background (picture/color) Base 34. Set page color (sketch/black and white) 3rd Chapter Setting conditions Base 35. Add conditional judgment Base 36. Set Condition Limits Base 37. Use case Conditional conversions The 4th chapter uses variables/formulas

Error message:A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or could not be accessed. Verify that the instance name is correct, and that SQL Server is configured to allow remote connections. (provider: Named pipe provider, ERROR:40-Unable to open connection to SQL Server) (. Net SqlClient Data Provider)Solution:Workaround: Start All Programs->ms SQL Server-> Configuration

Related Articles: http://www.bkjia.com/Article/200811/30646.html Compared with 32-bit MD5.asp and 40-bit MD5.asp files, the 40-bit encryption can find out the regular pattern, and we can also obtain 48-bit encryption. First read 32-bit encryption: MD5 = LCase (WordToHex (a) WordToHex (B) WordToHex (c) WordToHex (d ))Let's look at the 40-bit encryption: MD5 =

Tianguang, a wind to stop the wind gather the world's free half-court possession volume theft of ancient and modern masters I am about 40. I am still writing code, writing various types of code, writing from C/C ++ to object-C, and writing from Java to Lua. I enjoy it. Of course, I do not rely on code writing to earn a living. In fact, I almost never rely solely on code writing to earn a living. Writing code is just a pleasure and a hobby.Of course, i

Tags: programmer Code life Tianguang, a wind to stop the wind gather the world's free half-court possession volume theft of ancient and modern masters I am about 40. I am still writing code, writing various types of code, writing from C/C ++ to object-C, and writing from Java to Lua. I enjoy it. Of course, I do not rely on code writing to earn a living. In fact, I almost never rely solely on code writing to earn a living. Writing code is just a pleas

[Size=5] [Color=red] 40 Suggestions for optimizing PHP code [/color][/size]Tips for optimizing your PHP CodeOriginal address: Http://reinholdweber.com/?p=3The English copyright belongs to Reinhold Weber, the author of Yangyang (aka Davidkoree). The bilingual version may be used for non-commercial communication, provided that the English version of the author, copyright information, and the author of the Chinese translation. The translation level is li

example 1:arraylist is a constant time operation that does not depend on the number of elements in the list. So its performance is O (1). Example 2: The performance of a linear search for an array or list is O (n), because we need to iterate through all the elements to find the elements we need.40. What are the best practices related to the Java collection framework?(1) Select the correct collection type as needed. For example, if you specify a size,

The following articles mainly describe the development history of IBM DB2 databases over the past 40 years. I saw the development history of IBM DB2 databases over the past 40 years on the relevant website two days ago, I think it's good. I just want to share it with you. I hope it will help you in this regard. IBM, database, history, development 1968: IBM has successfully developed IMS V1 on IBM 360 compu

classes, and arrays are useful. 37. Don't subdivide the method too much, think carefully about what code you really plan to reuse? 38. When you need to, you can always break down the code into methods. 39. Try to use a large number of PHP built-in functions. 40. If there are a lot of time-consuming functions in your code, you might consider implementing them in C extensions. 41. Evaluate the test (profile) of your code. The inspector will t

The image slide plug-in is used in many places on the homepage or image topic page of the webpage to switch multiple images cyclically. You can click the left and right buttons to switch between images. I believe everyone knows that jQuery is one of the best Javascript frameworks. Web designer is very popular with its simple and flexible syntax. Therefore, many web designers have developed many mature image slide plug-ins Based on jQuery's powerful functions. We can easily embed these image slid

Learn iOS (must-see Classic) 40-day Cattle man proficient in iOS development learning methods Describe This is a systematic, professional course system from a learner interested in iOS development to an iOS development guru. In order to cultivate enterprises to develop the real needs of talent as the goal, each knowledge point is explained by the case. It is also suitable for practitioners who are working on iOS developers who want

Make the horizontal bar unavailable:Remove both of them? Simpler 40 tips and tips 1. oncontextmenu = "window. event. returnvalue = false" will completely block the right mouse button 2. 3. onpaste = "Return false" Do not paste 4. oncopy = "Return false;" oncut = "Return false;" Prevent Replication 5. 6. 7. 8. Always carry the framework 9. Prevent Frame 10. The webpage cannot be saved 11. Onclick = "window. Location =" view-source: "+" http://www.p

Photo operations refer to the use of Photoshop or applications.ProgramEdit the photo to create an illusion or better visual effect (compared with the previous one, only improve or correct), through analog or digital methods. Images created in this way can be used to show the bold creativity and colorful imagination of the designers. Today, we recommend 40 creative cases for the designers of female image processing, these effects are all very lifelik

Original article address:How to Use the 40 best features of iPhone OS 3.0 (on) Author:Kungfupanda Apple has released iPhone OS 3.0. iPhone and iPod Touch users can use iTunesUpgrade. The iPhone OS 3.0 contains many new features and many details for improvement. The following describes the details and usage of the 40 best functions. 1. Forward or delete text messages This long-standing common feat