Others

Latitude Longpolling longitude Calculate the two-point distance function based on the longitude and latitude in the Google Maps script. Private const double earth_radius = 6378.137;Private Static double rad (double D){Return D * Math. PI/180.0;}

Last week, codetimer and xcode performance tests were released to demonstrate the performance of newlife. xcode. Actually newlife. xcode is a very common Orm. It only requires a little effort in paging and caching. Pay attention to every detail to

Recently, a strange problem was found on a test server. As long as the SMTP service of IIS is started, it starts to send out mails automatically and frantically. Reading emails and so on seems to have been maliciously attacked. No matter how you

After nearly a month of fierce competition, the blog Park "Turing Microsoft masterpiece cup Bo Wen competition" has been successfully concluded. The award winners are: First prize: eaglet (4 Turing books) Second prize: sashboard and azuresong (two

Today, I saw the message published by the Google API. Net Library. I have a preliminary look at the relevant content. Program It is very convenient to interact with Google services. Google has been released as an open source. Net APIs client

ArticleDirectory Integrate DSL in applications Boo summary and rhino Integrate DSL in applications Naming Conventions Ordering the execution of scripts Performance considerations when using a DSL Segregating the DSL from the application

Thomas. after Ku en proposed the paradigm of "Scientific Revolution", Robert Floyd in 1979 the year Turing Award uses the term programming paradigm. The programming paradigm generally includes three aspects: OOP For example: 1.

[ArticleAuthor: Sun Li link: http://www.cnblogs.com/sunli/ updated by: 2010-09-03] In my previous article, I introduced the extremely high performance of ttserver and the possible unstable factors in the case of large data volumes, however, if the

In the previous article, I briefly discussed the correct use of sqlconnection. by talking about the connection pool, I accidentally encountered a problem: After the close and dispose methods of sqlconnection are executed, is this connection object

It's been two weeks since the mass service training of the four classes. Today, we have time to sit down and have a good review. In general, the four courses are basically oriented to front-end engineers, and I am also focusing on the front-end,

[Digress] In fact, I have long wanted to re-write my blog, but there are always various reasons to "persuade" myself to be lazy. This internship in a small company, I want to parse DICOM files, and I think it is necessary to record something, this

(Domestic version) I used a pocketpc compiled last night.Program(Use native API) to switch to the. NET Compact framework Platform. Because only native API was used in the past, there was a problem... But it is always an easy solution! Here are

// Configure //-------------------------------------------------------------------------------------------------//// Copyright? 2001, Intel Corporation. Other brands and names may be claimed as the property of others.////// CPU counting Utility//

Although I have never used the HTML control textarea, according to my own style, lou pig boldly believes that the textmode of the textarea and Server Control textbox is multiline and should be the same on the final HTML Tag. Maybe it's preemptible.

Recently, I took a closer look at the memcached instruction documents and looked at the source code. Sometimes I can skip some obscure C functions. However, it is not a success. Finally, LZ dared to read it again.C LanguageFinally, LZ saw the C

We will discuss how to use Win32 in C # and other libraries to manage functions without. net. C # The user often asks two questions: "Why is there another problem?WriteCodeTo use Windows built-in functions? Why didn't I complete the task for me

Since graduation, I have been engaged in the software industry for three years and have grown a lot. From a stupid graduate to now, I can work independently to complete the task.ProgramClerk, this process is not smooth sailing. Many times it has

Delphi methods for multi-thread synchronization A thread is a relatively independent and schedulable execution unit in a process. An application can have a main thread, a main thread can have multiple sub-threads, and a sub-thread can also have

Socket ErrorCodeTable. Socket error 0-directly send error Socket error 10004-interrupted function call Socket error 10013-Permission denied Socket error 10014-bad address Socket error 10022-invalid argument Socket error 10024-Too enabled

I am curious and interested in the mobile platform, and recently started to develop and learn iPhone. The learning path is from objective-C to cococa. The method is to read two English documents for getting started, and to learn about the apple SDK.