The following are some records in Erlang project development, including many easy-to-understand principles, and some plausible suggestions, which are confusing and have not yet accumulated to the point where they can be categorized, let's take a look ..* Make sure there are no compilation warnings* In Erlang, string is implemented by list. In 32-bit systems, the space of one character is 8 bytes (four values are saved and four pointer values are saved
First of all, we must congratulate csdn on its normal operation. If you provide suggestions, we will also list the following items:
1. As a technical engineer, I understand that the pause of the website is hard for managers. Now that the website is running again, csdn can finally get a good rest, therefore, the pause for this period of time should be an intermittent rest of the Olympic Games.
2. Strengthen the backup work and prepare emergen
It is not important to get started with a language, but it is an excellentProgramMembers should at least grasp a language, and it is best to be "proficient! C ++ has a large user base, rich learning resources, and broad application prospects. Therefore, many programming enthusiasts hope to learn C ++ well. However, C ++ is obviously much more complex than C or basic. Many people think it is not easy to learn C ++ well. Here I would like to give some suggesti
Suggestions for new users to improve JSP technical capabilities
1. How to quickly improve your technical capabilities
Create a project. The assumption is also true.
For example, you want to create a forum, such as csdn. You may encounter many difficulties during the production process.YourCodeThe structure will change many times. I am talking about the structure, and the code will change more.When a problem occurs, first go to the search engine
Suggestions for dpmap modification:
1. The label icon is changed from 32x32 to 16x16. If possible, useCodeColor.
2. sendrequest. js separates the functions used by the respective pages to avoid loading irrelevant code and improve efficiency.
3. Rewrite the Ajax query annotation code. The current query efficiency is too low, and the query method is loaded with arrays and then cyclically traversed. The loop consumes too much time and executio
OracleSQL optimization suggestions in actual development, oraclesql Optimization
1) Avoid Select *
2) try to use the same encoding style when writing SQL statements. Statement parsing, statement execution, and return execution results. Shared SGA zone, saving parsing SQL
3) Replace delete with truncate. Delete is a DML language.
4) COMMIT transactions in a timely manner while ensuring business logic
5) in: subquery-> primary query exists: primary que
countermeasures. There are still a lot of html cleaner, and the html Tag is cleared first, and then the collection rules are written. The html tag should be cleared before the collection rules are used, you can still get the required data.
Summary:
Once you need to search engine crawlers and collectors at the same time, this is very helpless, because the first step of the search engine is to collect the content of the target webpage, which is the same as the principle of the collector, so man
Can Microsoft improve IE Security through the following seven suggestions?
Sandbox Technology
Microsoft can improve the security of IE9 by adopting sandbox technology (such as Google Chrome. IE9 has a similar "protection mode", but its original design is not for security. Said Aaron Portnoy, leader of TippingPoint security research team.
Non-process plug-in
"Running as many third-party non-process plug-ins as possible is of great benefit to IE Securit
of the program. 2. When creating a program, new knowledge about encryption and decryption should be absorbed, that is, the conventional method should be used, and the security coefficient outside the program should be considered. In many cases, we are all open-source. Therefore, new technologies such as dynamic change of user passwords should also be learned
Suggestions for common users:
1. Do not use passwords too simple, such as pure numbers, pure
Eight suggestions: Ensure the security of your wireless route connection. In today's Internet era, you will often encounter Installation Problems of wireless route connection security. The following describes the knowledge of wireless route connection security, this includes how to connect to a wireless route connection to secure your network.
Enterprise Internal LAN comprehensive construction description 1. Intranet enterprise Intranet) Construction
This article mainly introduces 10 suggestions to help you create better jQuery plug-ins, involving common techniques in jQuery plug-in design, for more information about how to create a better jQuery plug-in, see the following article. Share it with you for your reference. The details are as follows:
After many jQuery plug-ins have been developed, I have developed a set of relatively standard structures and modes for developing jQuery plug-ins. In th
virus does not need to be transmitted by the network cable, but a broader transmission channel is available. This creates conditions for the spread of viruses. Not long ago, I enabled the Bluetooth function on my mobile phone. I don't know how to handle the problem. It wasn't long before the Bluetooth virus was detected. No anti-virus solution is available. In the end, only the formatting can be restored. It can be seen that in wireless networks, viruses will become more rampant and will become
After the network administrator has spent a few days building up the enterprise network, if for some reason (such as large-scale power failure and the enterprise does not use UPS and other equipment ), the configurations stored in the flash memory will be lost. If the network administrator does not back up the configuration, you can imagine that the network administrator may regret it. Therefore, it is necessary to back up the network configuration file. I will take the Cisco router as an exampl
day edge is not out. Programming recommendations (for data processing):1, BMP file read extract to a two-dimensional array, for the use of C + +, VC + +friends, there are ready-made DIB derived classes can refer to Google a bit. 2, for the normal reading of BMP files, drawing there are a lot of ready-made system functions to call, day edge no longer elaborate, such as CreateDIBitmap, CreateCompatibleDC, BitBlt, StretchBlt and so on. 2, BMP file write operation only need to follow the above BMP
following articles are my collection of road works from the 2007 to the present, this kind of road article or because of the inspiration at that time, or because of the discovery of a lot of friends have similar problems, so the birth of this from a shallow to deep a piece of fruitful fruit. In fact, from this series of articles itself can be seen, as long as you insist on doing one thing, there are many gains you have not thought of before.Therefore, for these I write a word a word out of the
10 Practical Django skills and suggestions as an outstanding open-source Python framework, Django may not be as praised as other popular frameworks such as Rails, but it is as refined as other frameworks, pay great attention to the DRY (Don't Repeat Yoursef) principle and component reusability, and simplify coding through automated processes.
If you can use some methods and techniques flexibly in the Django project, it will greatly speed up software
Some programming suggestions for beginners of Python are that Python is a very expressive language. It provides us with a huge standard library and many built-in modules to help us quickly complete our work. However, many people may be lost in the functions it provides, cannot make full use of the standard library, excessive emphasis on single-line scripts, and misunderstanding of the basic structure of Python. This article is an incomplete list of so
(resource age) *20%=12 minutes -5=7
lm-factor=5/60=8.3%Until 2007-04-10 03:12:00 lm-factor=12/60=20%, the page in the cache index.htm finally stale.
If there is no index.htm request at this time, index.htm will be in the cache, if there is a index.htm request, Squid received the request, because it has expired, Squid will send a index.htm to the source server whether there is a change of request, after the source server received, if the index.htm is not updated, squid will not update the cache,
My 30-year-old sister has switched to php. do you have any suggestions? A 30-year-old female friend is working as an engineering assistant, doing some chores, excel, cad or something, and working hard is not high, 3 K. now I want to change to php. I wonder if it is feasible. please speak enthusiastically. thank you !, Why should I transfer my 30-year-old girl's 0 base to php?
A 30-year-old female friend is working as an engineering assistant, doing s
In order for you to better learn PHP, I mainly want to talk about the PHP Learning line this time so that you can better learn PHP. this time I mainly want to talk about the PHP Learning line, sort out the technical requirements of PHP programmers at each stage, and set the learning and growth goals based on your own situation.
Learning routes and suggestions for PHP beginners
We need to have a step-by-step learning process. here we will summarize th
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