processing stopwatch

A class in the System. Diagnostics namespace. In fact, it is equivalent to a stopwatch. It can be stopped more than once. The Start method is to press the stopwatch to Start timing. The Stop method is to press the stopwatch again to pause timing.

The timer of 51 single-chip microcomputer is 0 in the way of 1 timing. The result is displayed with four digital tubes, which are 10 seconds, 1 second, milliseconds, and 10 milliseconds. Therefore, the maximum time is 1 minute, accurate to 0.01 s.

First, the definition of handler: The handler mainly receives the data sent by the child threads and updates the UI with the main thread to interact with the UI main thread。 For example, you can use handler to send a message, and then in the handler

  I talked with others about the performance of linq yesterday. I feel that the performance of linq is not good, but in fact it is still outstanding in terms of performance, except for the ability to write data to SQL, the following is a simple

I talked with others about the performance of LINQ yesterday. I feel that the performance of LINQ is not good, but in fact it is still outstanding in terms of performance, except for the ability to write data to SQL, the following is a simple

Java dependency injection standard (JSR-330) Introduction Reprinted by the author: By: 88250, Vanessa Time: January 1, November 19, 2009 Java dependency injection standard (JSR-330, dependency injection for Java) 1.0 specification was released in

The relationship between OSI layer seven and TCP/IP layer four1.1 OSI introduces the concepts of services, interfaces, protocols, and hierarchies, and TCP/IP builds the TCP/IP model using these concepts from OSI.1.2 OSI first has the model, then has

Improved logging and improved logging Compared with the log records sent earlier, this type separates program record processing from disk write operations. The user code part puts the logs in the queue and notifies the thread to write the logs to

C # XML processing in WebServices, 1. During enterprise system integration, a large number of fields are difficult to process, and can be quickly processed using Format. String SQL = @ "SELECT * FROM table WHERE TASKID = '" + taskid + "'";DataTable

With the advent of the multicore era, parallel development is increasingly demonstrating its power! The use of parallel programs, the full use of system resources, improve the performance of the program. In. NET 4.0, Microsoft has given us a new