A program is essentially composed of BSS, data, and text segments three. This concept is very important in the current computer programming, and is very important in the design of the embedded system, which involves the memory size allocation of the embedded system and the storage unit occupying space.
BSS segment: In an architecture that uses segment memory management, the
Original address: http://www.cnblogs.com/hongzg1982/articles/2205093.html1. Spatial properties of the programIn general, a program is essentially composed of BSS, data, text three-the concept of the current computer programming is a very important basic concept. It is also very important in the design of embedded system, which involves the allocation of memory size and the size of storage unit in the runtime of embedded system.BSS segment :
card.The control of the hardware involves the operation of each bit in the register, usually this is directly related to the device and the requirements of the timing is very strict, if the work is left to the application staff, then the programming of the sound card will become extremely complex and difficult, the role of the driver is to shield the hardware of these underlying details, This simplifies the writing of applications. There are two main types of sound card drivers commonly used un
A while ago, I received a letter from a netizen, which mentioned some of his confusions in improving my personal income and future development. This is also one thing that many of our students and netizens often ask me for advice, this blog is quite universal, so I would like to discuss and share it with you.
The original email content is as follows:------------------------- Hello, instructor Zhang! I am 23 years old. I graduated from software engineering with a master's degree in next December.
specified in TR-111 has been in0000ated into the amendment 1 versions of TR-069, TR-106, and TR-098.
PD-128 interoperability test plan for TR-069 plugfests
Interoperability test plan used at plugfests for TR-069-capable acses and CPE. defines interoperability tests at for the underlying protocols on which TR-069 is built, the TR-069 methods, as well as real-world application tests.
WT-131 ACS Northbound Interface requirements
Requirements for an ACS n
working experience; 2. proficient in Java development and development of J2EE-related programs;
3. Familiar with MySQL and other mainstream databases. Knowledge of Oracle is preferred;
4. Familiar with Linux operating systems and Solaris preferred; 5. Familiar with telecom integrated network management systems, and experienced in OSS/BSS System Development of telecom operators preferred;
6. Those with cert
Summary With the maturity of 3G technology and related businesses, 3G commercialization has been put on the agenda by major telecom operators in China. This article first briefly introduces the current situation of the Business Operation Support System, describes the functions of the 3G business operation support system and the construction principles of the 3G business operation support system, and proposes a 3G business operation support system plan.
I. Preface
In the coming 3G era, in a
implementation of a chart element in the topology diagram, the user to see the drag-and-drop elements to achieve the pie chart rotation, double-click the switch is hollow, only a few dozen lines of code to achieve I don't think I can make it easier to implement such a function: http://www.hightopo.com/guide/guide/core/databinding/examples/example_piebinding.htmlFor telecom network management customers often have alarm of the special industry present demand, this aspect also provides for the tel
Telecom Network management need module library, he can know I wait every day to face Odf/ddf/mdf/shelf/card/port these telecom business model pain point. See this video The important thing about using HIGHTOPO is that HT provides a HTML5-based visual designer without the use of professional 3D design tools such as 3ds Max and Maya, and direct HT 3D Designer can model 3D on a page, While the dynamic data part of the way through the API to drive the generation model and real-time updates, th
you unexpectedly a few lines of code to achieve very interesting features, such as the following example, the implementation of a chart element in the topology diagram, the user to see the drag-and-drop elements to achieve the pie chart rotation, double-click the switch is hollow, only a few dozen lines of code to achieve I don't think I can make it easier to implement such a function: http://www.hightopo.com/guide/guide/core/databinding/examples/example_piebinding.htmlFor telecom network manag
A while ago, I received a letter from a netizen, which mentioned some of his confusions in improving my personal income and future development. This is also one thing that many of our students and netizens often ask me for advice, this blog is quite universal, so I would like to discuss and share it with you.
The original email content is as follows:
----------------------- hello, instructor Zhang! I am 23 years old and graduated from software engineering in next December. I have been dee
, distributed structured storage services, and distributed Message Queuing services for Internet e-commerce website users, Bss/oss systems for telecom operators, video entertainment sites, The Search class site provides services. The types of services provided by the Big Data analysis platform include: Information base refinement Search, user behavior log analysis, System operation log analysis and centrali
The subsidiary of China Germany and the United States of America and joined the United States in a contract to sign the contract. In this contract, the company will comprehensively provide network operations for the join core network at the time of Jenkins and Billy, with no link to the website, new product releases and marketing reports, check, repair, and software upgrade for faults. The company will also take the lead in Nanjing Zhongshu Branch to provide faster and more reliable experience f
Tags: dbunitDBUnit Database testing: DBUnit is a Span style= "text-decoration:underline;" >junit extended database test dbunit, but we have to pay the price (writing a lot of code, testing, and maintenance), and since we have such an excellent open source framework, why do we have to reinvent the wheel. The normal test database method is not only cumbersome, but also after the database test will be residual data in the database or database data modified, relative to the normal te
Implementation of e-commerce website architecture based on LVS load Balancing clusterSpecifically how to implement e-commerce website See blog: http://13150617.blog.51cto.com/13140617/1978954Experiment one, implement the load balancing of LVS based on NAT mode :Prepare three hosts: one director ( Bridge network card, host network only ):dip:192.168.199.145 vip:172.17.111.117One backend server ( host only ): rip:192.168.199.146 configured with e-commerce websiteOne backend server ( host only ): r
left to the application staff, then the programming of the sound card will become extremely complex and difficult, the role of the driver is to shield the hardware of these underlying details, This simplifies the writing of applications. There are two main types of sound card drivers commonly used under Linux: OSS and ALSA.The first audio programming interface that appears on Linux is the OSS (Open Sound S
Tags: RM shutdownFrom zero and the 15th chapter of LinuxHello ~ ~ Students, another happy week to the end of ~ AH ~ time has been very fast, unconsciously small and updated blog to provoke ~ ~ ~650) this.width=650; "src=" Https://s1.51cto.com/oss/201710/28/29f50e45b6f005da4c9940c6812e78a7.gif "title=" 10b8ce7ab5b0d617.gif "width=" "height=" "border=" 0 "hspace=" 0 "vspace=" 0 "style=" width:200px;height:200px; "alt = "29f50e45b6f005da4c9940c6812e78a7.
Tags: cloning login remote LinuxTo change the root password using single-user mode hack:1, if you forget the root password of Linux, you can enter the single-user mode to change the root password, first we restart the virtual machine, the operation is as follows:650) this.width=650; "src="/e/u261/themes/default/images/spacer.gif "style=" Background:url ("/e/u261/lang/zh-cn/ Images/localimage.png ") no-repeat center;border:1px solid #ddd;" alt= "Spacer.gif"/>650 "this.width=650;" src= " Https://s
Many times we need a stable and secure and multiple types of VPN, here is the topology diagram of this experiment to achieve SSTP and L2TP VPN.SSTP requires certificate SSL for implementation, while L2TP is implemented by key sharing (this connection method is appropriate for mobile devices, but not secure enough for SSTP).650) this.width=650; "title=" image "style=" border-right-width:0px;background-image:none;border-bottom-width:0px; padding-top:0px;padding-left:0px;padding-right:0px;border-to
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