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advantages and disadvantages of different modeling languages and summarizing the application practices of object-oriented technology, so as to extract the essence and discard the dregs according to the application requirements, unified Modeling Language.In October 1994, Grady booch and Jim Rumbaugh started their work. They first unified booch9 3 and OMT-2, and released the first public version in October 1995, called the unified method um 0.8 (UN itied method ). In the autumn of 1995, Ivar Jaco

comparing the advantages and disadvantages of different modeling languages and summarizing the application practices of object-oriented technology, so as to extract the essence and discard the dregs according to the application requirements, unified Modeling Language. In October 1994, Grady booch and Jim Rumbaugh started their work. They first unified booch9 3 and OMT-2, and released the first public version in October 1995, called the unified method um 0.8 (UN itied method ). In the autumn of

released the first public version in October 1995, called the unified method um 0.8 (unitied method ). In the autumn of 1995, Ivar Jacob son, founder of oose, joined the team. With the joint efforts of booch, Rumbaugh, and Jacob bson, two new versions, UML June 1996 and UML October, were released in 0.9 and 0.91, respectively, and rename um as UML (Unified Modeling Language ). In 1996, some organizations saw UML as their business strategy. UML developers received a positive response from the pu

Previously, I was always keen to learn the choices of professional and various tools such as programming language/programming software. Learn single-chip tangled assembly/C, ICC/GCC, learning embedded when tangled ucos/linux, Learning plc Tangled Simens/rockwell, LD/SFC, learning electrical and tangled cad/sw-e. Now it seems that the results are really like "The great God," said, the tool is only a tool, in fact, many times there is no good or bad poi

Reprint Address: http://www.cnblogs.com/biyeymyhjob/archive/2012/07/30/2615542.htmlOneself learning, feel this speak very good, on reprint.Prim algorithm1. OverviewPrimm algorithm (prim algorithm), an algorithm in graph theory, can search for the smallest spanning tree in weighted connected graphs. This means that the subset of edges searched by this algorithm includes not only all the vertices in the connected graph ( English :Vertex (graph theory)), but also the sum of the weights of all the

CMOS integrated circuit. Because of its many advantages, LCD has entered the desktop application field since 1998. The first operable LCD is based on dynamic scattering mode (dynamically scattering MODE,DSM), and the team led by the RCA company George Heilman developed this LCD. Hellman created Optet, a company that developed a series of LCDs based on this technology. In the December 1970, the rotating nematic effect of liquid crystals was registered as a patent in Switzerland by t

manufacturers: Lockheed, Rockwell International, Martin Mary ETA and Morton Dioco Company, solid rocket propulsion is made by Morton Dioco Company, Dioco company apparently with the accident has an inescapable responsibility. But without knowing which company caused the shuttle crash, the U.S. stock market unexpectedly reacted to the day, Dioco's shares fell the most, with a loss of 12%, while the other three lost only 3% per cent. This means that mo

unwilling to disclose the technology of soft cats, they are unwilling to develop drivers other than win9x/nt. Linux is therefore very limited in its support.If your modem box is marked "HCF", "Winmodem" or "soft MODEM" words, it is likely to be a soft cat. If you want to use it under Linux, you must go to www.linmodems.org to see it.There are some soft cat drivers in the Web site that currently support Cirrus Logic (CL-MD5620DT), Conexant (Rockwell)

hand-coded, has great limitations. To this end, the IBM developed hierarchical database IMS (Information Management system, information management systems) has been greatly welcomed, become the most famous and most typical of the hierarchical database management system. In 1966, IBM, in collaboration with its customers (Rockwell and Caterpillar), developed a new database to help NASA manage the cumbersome data of the ambitious Apollo program, and w

One, why I install Windows XP under DOS is slow Haha, you must not run Smartdrv.exe before the installation, if you do not run this, you may not be able to install the end of the night. Smartdrv.exe such files are available in Windows 98/me CD-ROM or windows/command/. Why the system prompts me to convert the partition to NTFS during installation Haha, this is because you installed under Windows is not careful, just started the installation of the time there is an "advanced"-during the install

Prim algorithm1. OverviewPrimm algorithm (prim algorithm), an algorithm in graph theory, can search for the smallest spanning tree in weighted connected graphs. This means that the subset of edges searched by this algorithm includes not only all the vertices in the connected graph ( English :Vertex (graph theory)), but also the sum of the weights of all the edges is minimal. The algorithm was discovered in 1930 by the Czech mathematician Voytech Jarnik ( English :vojtěch Jarník), and in 1957 by

two parallel copper wires are prone to strong electromagnetic coupling, if the network line and the cable are parallel and very close, the network speed may be very slow, or even unable to access the Internet. As an important part of ADSL technology, the performance of ADSLModem is also crucial to network performance. At present, many Telecom bureaus in many regions are sending ADSLModem in initial installation. Since it is sending, the quality cannot be guaranteed. Many users have poor ADSLMod

peripheral market, such as omnidirectional and real-world. In addition, the chip used by ADSLModem is a good quality guarantee. I suggest using the ADSLModem of Conexant (formerly Rockwell) chip. The stability and speed of the Conexant chip have always been praised by experts. ADSLModem is divided into two types: internal and external, and the external has two types: Nic interface and USB interface. The built-in ADSLModem is cheap, but because it is

Minimum spanning tree-prim algorithm and Kruskal algorithmPrim algorithm1. OverviewPrimm algorithm (prim algorithm), an algorithm in graph theory, can search for the smallest spanning tree in weighted connected graphs. This means that the subset of edges searched by this algorithm includes not only all the vertices in the connected graph ( English :Vertex (graph theory)), but also the sum of the weights of all the edges is minimal. The algorithm was discovered in 1930 by the Czech mathematician

the reason for your hospitalization? Is the indicator too high? Yes. Advise me to stay in hospital.---------------Ask questions tomorrow, take a look:Essential hypertensionCauses: Heredity, environment (diet, spirit), weight, medicine, SAHS;Pathogenesis: hyperactivity; renal sodium retention; Raas system activation; membrane ion transport abnormalities (calcium pump reduction, potassium and sodium defects, membrane permeability enhancement); insulin resistanceDiagnostics: 140/90,2 level 160 100

/Iphttps:GITHUB.COM/WIRESHARK/WIRESHARK/TREE/MASTER/EPAN/DISSECTORS/PACKET-ETHERIP.C Industrial Communication Agreement (Industrial Protocol), is a CIP implementation, designed by Rockwell Automation.25Ciphttps:GITHUB.COM/WIRESHARK/WIRESHARK/TREE/MASTER/EPAN/DISSECTORS/PACKET-CIP.C General Industry Agreement26CipSafetyHttps:GITHUB.COM/WIRESHARK/WIRESHARK/TREE/MASTER/EPAN/DISSECTORS/PACKET-CIPSAFETY.C Safety General Industrial Agreement27DeviceNetHttps

Data centers are often the most secretive part of technology companies, but Google seems to be taking it lightly, as the company has just shared with the media its own interior photos of its data centers around the world. Google says that when you land on Google's website, you're already connected to the world's most powerful server network.It is reported that Google personally built a data center has more than 12 years of history, and all of the company's data centers almost all have the same c

enterprises, there are small businesses, the perfect solution to each MES project data acquisition problem, the solution of these problems benefited from my years engaged in embedded software development, multi-port Communication server development, large-scale PLC control system development, intelligent control terminal development, etc. So summarizes the following points about data acquisition aspects of the implementation method: First, the PLC class: using C # or C + + Direct programming ac

My essays are all from my own handwriting, and the content is summarized after practice. Welcome to reprint, reprint please indicate the source: http://www.cnblogs.com/volcanol [Book download] [Book download link] _ 1 _ first round _ C language books [C] C language learning fun: http://www.cnblogs.com/volcanol/archive/2012/06/05/2537342.html [C ++] [Linux] Linux Shell: http://www.cnblogs.com/volcanol/archive/2012/06/05/2537346.html Linux FAQ: http://www.cnblogs.com/volcanol/arc

Int y; Y = m_gps.find ("$ uplmc ,"); If (y! = 0) { M_gps.empty (); }