Hoi Hong RTSP format

Hoi Hong rtsp fetch stream URL format   First, preview the fetch stream The RTSP URL for the device preview fetch stream has a new and old version, and devices prior to 2012 (such as the V2.0 version of NetraThe old fetch stream format, after

Direct3D initialization

Objectives1, basic understanding of the role of Direct3D in 3D hardware programming2. Understanding COM Components in Direct3D3, Learning basic graphics concepts, such as 2D image storage, Exchange pages, depth buffer, multi-sampling, CPU\GPU interac

The 9 numbers from 1 to 9 consist of 3 3 digits, and three numbers are 1:2:3 in proportion, trying to find out all the combinations

A classmate is doing ACM, gave me a problem, the title is the same. Finally write the following /* Use 1 to 9 to make up 3 3-digit, and three-number ratio of 1:2:3, to find out all the number of satisfying conditions */#include <stdio.h> #incl

MD5 and Base64

I. Brief description MD5: All called message digest algorithm 5 (Information digest algorithm), can be encrypted, but not decrypted, belong to one-way encryption, usually used for file verification BASE64: The 8-bit byte of any sequence is described

HTTP request Error Status code encyclopedia status code:404

This is a more comprehensive HTTP request error status code Daquan link address: http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html, the following are just a few of the common occurrences. 1xx (Temporary response)A status code that represents a

I met a ORA-06413 mistake today!

1. A colleague has a CS program that uses an Oracle database, and the connection string is as follows: Provider=MSDAORA.1; Password=mypassword; User Id=myuser;data source=myds 2. The application is saved in the following directory: e:/Current work (B

Httpd.exe:Syntax error on line 129 of d:/apaserv/apache2.2/conf/httpd.conf

The Apache service named reported the following error:>>> Httpd.exe:Syntax error on line 534 of D:/apaserv/apache24/conf/httpd.conf:cannot load d:/apaserv/php/php5a Pache2_4.dll into server: \xd5\xd2\xb2\xbb\xb5\xbd\xd6\xb8\xb6\xa8\xb5\xc4\x

DB2 JDBC Driver Four introduction--------finally solved the problem of WebSphere project to Tomcat (this article is wonderful, so reprint reservation)

JDBC Driver Uncover A common source of confusion for Java is that JDBC has different versions, and JDBC drivers have different types that can be used by different versions of Java. Also, the new Java specification is always under development because

Composite primary key and Union primary key

one, compound primary key The so-called compound primary key means that your table's primary key contains more than one field composition, and does not use an ID with no business meaning as the primary key. Like what CREATE TABLE Test ( name v

Ora 06413 Connection not open

ora 06413 Connection not open This happens when you open the Pl/sql, and you know the solution is as follows: Plsql install path with (), uninstall reinstall to other folder, be careful not to have (), and then OK。 If C:\Program files (x86) changed

Use ASM4.0 to implement AOP functionality and monitor the execution time of each method __AOP

The previous blog http://zhwj184.iteye.com/admin/blogs/1630756 An example of ASM usage, this time using ASM to dynamically count the execution times of each method to achieve AOP functionality. A more general approach to AOP is to dynamically generat

Http 400 error recurrence experiment and its solution

Introduction to the problem Whenever an HTTP error code is encountered that is 400, a request initiated on behalf of the client does not conform to some of the server's restrictions on the request, or there is a certain error in the request itself.

I met a ORA-06413 mistake today!

1. A colleague has a CS program that uses an Oracle database, and the connection string is as follows: Provider=MSDAORA.1; Password=mypassword; User Id=myuser;data source=myds 2. The application is saved in the following directory: e:/Current work (B

64-bit Win7 system installation 64-bit ORACLE11G experience sharing __oracle

Environment: 64bit Win 7 flagship SP1 patch Win64 oracle11g----Win64_11gr1_database_1013.zip 1, the installation process occurs in a problem: The System Self-Test Upgrade system environment does not meet the requirements Solution: First find

64-bit Win7 system installation 64-bit ORACLE11G experience sharing __oracle

Environment: 64bit Win 7 flagship SP1 patch Win64 oracle11g----Win64_11gr1_database_1013.zip 1, the installation process occurs in a problem: The System Self-Test Upgrade system environment does not meet the requirements Solution: First find

MD5, SHA256, SHA512 hash algorithm __ algorithm

StringHasher.cs <summary>///class///</summary> public class Stringhasher {///to implement various string hash hashing algorithms <summary>///Delegate Hash method to achieve a clear hashing algorithm///</summary>///<p

Httpd.exe:Syntax error on line 129 of d:/apaserv/apache2.2/conf/httpd.conf

The Apache service named reported the following error:>>> Httpd.exe:Syntax error on line 534 of D:/apaserv/apache24/conf/httpd.conf:cannot load d:/apaserv/php/php5a Pache2_4.dll into server: \xd5\xd2\xb2\xbb\xb5\xbd\xd6\xb8\xb6\xa8\xb5\xc4\x

MD5, SHA256, SHA512 hash algorithm __ algorithm

StringHasher.cs <summary>///class///</summary> public class Stringhasher {///to implement various string hash hashing algorithms <summary>///Delegate Hash method to achieve a clear hashing algorithm///</summary>///<p

The Fourier transform of the image and the physical meaning of the two-dimensional Fourier transform

From the perspective of modern mathematics, Fourier transform is a special integral transformation. It can represent a function that satisfies a certain condition as a linear combination or integral of the sine basis function. In different fields of

DB2 problem

This article is from the 1th 2002 experience and Exchange column of "network Administrator World"Q: How do I estimate the memory requirements of the DB2 UDB?A: The memory requirements listed here are estimates; the actual amount required depends on t

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