Oracle442 Application Scenarios-----------role management

Label:--------------------------------Role Management------------------------------------First, the concept and characteristics of the role1. What is a role?A role is a collection of commands related to permissions, and the primary purpose of using

Build a Web server under Ubuntu (apache2+php5+mysql5+phpmyadmin)

Tags: Web server Setup1 Install MySQL service and client, follow the prompts to enter the root password of MySQL$sudo apt-get Install Mysql-server mysql-client2 Installing the APACHE2 server$sudo Apt-get Install Apache23 Installing PHP5$sudo apt-get

interprocess communication (10)-Network sockets socket

Tags: interprocess communication socket detailed socket function description1. PrefaceAll examples of this post are based on the RHEL6.5 platform (Linux kernal:2.6.32-431.el6.i686).2. Inter-process communication in the networkThere are many kinds of

Qt and MFC comparisons

Label:see on the Internet, take it with you to discuss. This article will not enumerate the advantages and disadvantages of Qt and MFC respectively. The fact that I used QT before I used MFC could have affected my objectivity.(MFC is more efficient,

Unified validation of the Delphi text,combox input Box

Label:To prevent the user from mistakenly entering is a necessary work in software development, besides, it also provides the maximum convenience for the user's use. Of course, we can take advantage of or develop new components to accomplish these

Answer your questions.

Label:Chapter One introduction to the Knowledge field of 1.2.4 Software engineeringQuestion: Since the domain of software engineering involves so much, how should we learn it well?Answer: The software engineering major is a study of engineering

Binary, bit operation notes

Label: In-process Bit arithmetic Introduction to the System  A way of counting, a representation of a number.Common binaries are: binary, decimal, octal, and hexadecimal.Binary:0 and 1, the C language represents the beginning of 0b

Write a random shuffle function--probability problem

Tags: shuffle function probability array algorithmTitle Description:Write a random shuffle function. 52 of the required wash out! All kinds of combinations are equal probabilities. That is, the probability of a combination you wash out is 1/(52!).

The simple implementation of SSL security protocol theory and two-way authentication

Tags: SSL Secure Sockets Layer bidirectional authentication SslsocketSecure Socket layers (secure Sockets layer. SSL) is an Internet-based security protocol that guarantees privacy. It enables communication between customer service applications to

Analysis of virtual reality Alpha year from 7 dimensions

Tags:   Hardware   is designed to face the hardcore gamer Oculus, relying on the powerful computing power of gaming PC, the VR products into the consumer's vision. Major game content and game hardware vendors, like Sony,valve and razor, are

Next day

Label:Although today because of the Starscream problem, a day without classes, but equivalent to give us a day to study time, I also carefully read the teacher sent us the PPT, below to do a summary:Java Basics:keywords, identifiers, constant

Read/write function

Label:Calling the read function reads data from the open file.#include <unistd.h>intvoid *buf, size_t nbytes);Reading data from Filedes to BUF, Nbytes is the number of bytes required to read.Return value: Returns the number of bytes actually

Zabbix Server Installation Configuration

Label:Environment: RedHat6.5 x64, Apache2.4.12, PHP5.6.6, MySQL5.6.23, Zabbix2.4.4Install the configuration on the same serverFirst configure the hosts hosts table!One, MySQL installationThe installation process is described in MySQL installation

design mode (i) Factory mode factory (create type)

Label:Design mode one Factory mode factoryIn object-oriented programming, the most common approach is to create an object instance with a new operator, which is used to construct an object instance. In some cases, however, the new operator's direct

HDU 2940 Hex factorial (simple high precision)

Label:Test instructions: Ask for a n! The number of 16 binary representations of 0.High-precision simulations, or direct java. Here you can give a high-precision template.#include <cstdio> #include <cstdio> #include <cmath>

Introduction to QT and QT Creator

Tags: qt qt Creator IntroductionThe article original in Qter Open source community (, author Yafeilinux, reprint please indicate the source!I. Introduction to QT and QT CreatorQt is a cross-platform application and UI development

BASE64 encoding and decoding

Label:reliance on Jar:import org.apache.commons.codec.binary.Base64;BASE64 and other similar coding algorithms are commonly used to convert binary data into textual data, which is intended to simplify storage or transmission. More specifically, the

[ActionScript 3.0] colors in Flash

Label:In Flash, a color is a string of special numbers, a color value can be any number from 0 to 16,777,215, which is the 24-bit (bit) color. You might ask why there are 16,777,216 (256*256*256) color values, because Flash uses RGB color values,

"Deep Exchange 2013"01 Client Access role architecture

Tags: Exchange 2013 Client Access Client Access schema Exchange (CAS)The importance of CAS roles in Exchange 2013 is not much to say. In Exchange Server4.0, 5.0, and 5.5, there is no specific Client Access feature role, and Exchange 2000 introduces

Learning notes for codecs (10): OGG series

Label:Ogg is a free and open standard container format, funded by maintenance.The OGG format is not limited by software patents and is designed to efficiently handle high-quality streaming and digital media.Ogg means a file format that can

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