Building the C + + 11 development environment (Windows Platform) code::blockIDE:code::blocks 12.11 version numberCompiler:tdm-gcc http://tdm-gcc.tdragon.net/ TDM64 Bundle GCC 4.8.1Q: What is tdm-gcc? Answer:A compiler Suite for 32-and 64-bit Windows based on the GNU toolchain. TDM-GCC Official website:TDM-GCC installation. The path is arbitrary.IDE configuration
We all know that the Softswitch technology supports many different protocols from different standardization organizations. Here we analyze the next generation radio/TV Network Technology Based on the Softswitch technology. How to build a sustainable network, integrate data and voice services, speed up user-oriented business development, and improve its flexibility, to ensure that carriers can gain their expected market share in the future data multimedia business, this is the fundamental startin
1. MSTP and Its Key Technologies
Currently, MSTP is a hot topic in the world. In fact, the earliest concept in foreign countries is MSPP, that is, multi-service allocation platform. The concept of "Platform" is more appropriate, that is, it relies on a certain technical platform to expand and derive new functions and applications. MSTP is based on the SDH technology platform to Expand functions of data and other new businesses. As we all know, SDH is the most suitable for carrying time-division
light
Single-Mode Optical Fiber: optical fiber that transmits light forward without multiple reflections
Frequency Division Multiplexing (OFDM): After a user allocates a certain frequency band, the user occupies this frequency band throughout the communication process. All users use different bandwidth resources at the same time.
Time division multiplexing (TDM): divides the time into long time division multiplexing frames (
messages, but cannot send messages simultaneously (of course, they cannot receive messages at the same time)
Full DuplexBoth parties can send and receive information simultaneously.
Channel multiplexing
OFDM
After a user allocates a certain frequency band, the user occupies this frequency band from start to end during communication.
All users of Frequency Division Multiplexing occupy different bandwidth resources at the same time (note that the "Bandwidth" here is the frequency bandwidth rat
In the existing data network technology, the multi-service network platform with ATM as the core technology is very suitable for the transformation task of DDN network.
DDNDigital Data Network) is a Network that provides Data leased line services for users. DDN is a time-division multiplexing (TDM) transmission technology that provides users with an exclusive end-to-end transparent transmission channel. You can attach various high-level services on th
solution for financial system outlets to increase to 2 m. For industry users and operators, these new data leased line business solutions all mean lower investment, higher returns, and stronger business competitiveness.
In general, the above solutions have the following advantages:
Integrate DDN with ATM resources. Traditional DDN networks have wide coverage and flexible access, but they cannot meet the needs of high-bandwidth FR businesses in terms of switching capabilities; although the ATM n
This tutorial mainly explains the use of Fortran to generate DLLs for Qt calls (Win64)The software and documentation required for this tutorial can be downloaded from the following connection:Http://pan.baidu.com/s/1c04jziCFortran I use the software is Codeblocks, this is a Gfortran-based open source software.1, first of all, said Codebolcks environment configuration:First download codeblocks (hereinafter referred to as CB), this has nothing to say, download just.1.1, Codebolcks of Chinese:Place
large volumes of data using asynchronous and synchronous protocolsData: What is the transmission efficiency ratio of the two? Answer: The effective data transmission efficiency of the asynchronous protocol is 8-Bit Data bit/10-bit total data bit = 8/10
The effective data transmission efficiency of the synchronization protocol is effective data bit (up to several thousand bits)/(valid data bit + end of the frame header and other related control bits, the value is very small) = 1/1 (approx)Per
[Windows] _ [elementary] _ [use the command line tool dumpbin to analyze the file] and command line dumpbin
Dumpbin (vs built-in)
1. Export the function symbol (symbols) of the lib File)
Dumpbin/exports zlib1.lib
Microsoft (R) COFF/PE Dumper Version 10.00.40219.01Copyright (C) Microsoft Corporation. All rights reserved.Dump of file zlib1.libFile Type: LIBRARY Exports ordinal name 1 _adler32@12 140 _adler32_combine@12 39 _compress2@20
Traditional telecommunication networks are designed for voice transmission. They use TDM and circuit exchange technology. They are not suitable for IP data transmission and video transmission. To meet the needs of voice, data, and video integration in the future, it is necessary to build a broadband integrated man. This section introduces three new man technologies and their applications.
Man technology using POS + SDH/WDM
Optical Fiber Communicatio
complementary.SDH-TDM is a mature and widely used technology, and is the most basic infrastructure of the existing network. To consider the economics and reliability of the broadband network, it is necessary to establish it on the existing SDH network. IP is a type of connectionless. Routing Technology. In this aspect, IP applications on the Internet show their advantages in price and performance.ATM is a connection-oriented technology that uses cell
· channel, mainly used in 2G Business, one side is E1, the other side is CPOS to Converge E1 Business,CPOS The granularity of interface channel is as follows:§ 155Mof theCPOSinterface can be channel to theRoadE1Channel, each road2.048M. § 155m cpos interface can be channel to 3 road E3/T3 channel. cpos e1 interface support with mpls PW TDM business pass, follow satop protocol. cpos e1 interface support with mpls PW
The broadband access technology in Access network presents a new development trend. The traditional telephone network is bound to transition to the next generation Telecom network with data service as the center, broadband and IP as feature. The telecom business has gradually shifted from narrow-band service such as telephone to multimedia broadband service, which integrates voice, high-speed data and variable video. Faced with many access technology, how to choose the ideal solution, efficient
Tags: c + + Ola local Windows Win32 SQLITE3 TDM hint compilerWindowsInstallation under Windows is also very simple, just go to the SQLite3 download page, download the pre-compiled package DLL (SQLITE-DLL-WIN32-X86-XXX.ZIP) from Windows, and copy the DLL file inside to System32 Directory. In addition, if you have installed the TMD version of the GCC compiler (http://tdm-gcc.tdragon.net/), then you will not h
Today, based on the Beego ORM demo Sqlite3 database, a small problem was encountered.Symptom 1: Download go-sqlite3 (Go get github.com/mattn/go-sqlite3) driver times it's wrong to say that GCC is not in the PATH directory.Symptom 2: Compile an error when you run the file that imported the Go-sqlite3 driver. GCC is not in the PATH directory.The cause of the problem: Sqlitle3 is a CGO library that needs to GCD compile C code.Solution to the problem: Install TD
point, and the final direction is determined by the content and requirements of non-commercial intelligent applications.
Application vendors ' business intelligence applications are lightweight:
This is true for many business intelligence applications. In fact Oracle did it itself before the advent of its business intelligence application 7.9. However, Oracle now offers a business intelligence application that goes well beyond the lightweight range. These applications are built on the same br
Tags: hitpoint net FirGlobal companies can operate their subsidiaries through NetSuite's cloud ERP, while maintaining headquarters-to-Oracle input, NetSuite provides SuiteCloud connectivity for NetSuite's cloud ERP integration with Oracle, a global company.650) this.width=650; "title=" H2.png "src=" http://s3.51cto.com/wyfs02/M01/6F/23/wKiom1WScFegfBs9AAEHQbvp0KY874.jpg "alt=" Wkiom1wscfegfbs9aaehqbvp0ky874.jpg "/>California, San Francisco and San Mateo-October 2, 2012-oracle Open World-netsuite
applications include Asymmetric Digital user loop (ADSL) and digital video broadcast (DVB) high Definition TV (HDTV), wireless LAN (WLAN), 4th generation (4G) mobile communication system, etc.
2. time division multiplexing
TDM (Time Division Multiplexing) is to divide the Time that is provided to the whole channel for transmission information into several Time slices (Time slots), and assign these Time slots to each signal source for use, each signal
. MSTP, Traditional Ethernet devices, and Carrier-class Ethernet devices, such as Carrier Ethernet, are coming soon. At present, Carrier Ethernet is particularly popular, because Carrier Ethernet defines Carrier-level attributes, it is an organic combination of "Carrier-level attributes + Ethernet businesses", or is a kind of "providing operation, maintenance, and management OAM similar to SDH, and has the new concept of low cost and flexibility of Ethernet. At the same time,
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