invented cobol

templates, yes, no, no, supported object-oriented, yes, yes, no, you may have some questions about my language evaluation, please first read my other article Discrimination based on object and object-oriented programming paradigm and Application in mainstream programming languagesClarify related concepts. I am not very familiar with object-oriented and Object-based and popular definitions. Advantages and disadvantages of C Language C Language Let's review the history first. The computer uses C

, with spring in the world, especially when it is blowing to our motherland, it may be the reason for loving the house and the birds (or birds, "Wheel Theory" is also regarded by many spring fans as the creed and principle for people to do things and do things. Is there a problem? Of course there are serious problems. There is no error in the wheel theory. The mistake is the misuse of the wheel theory. The mistake is that everyone is fooled by Uncle Rod Johnson and does not know or admit it. Any

disappear at the end of the terminal ...". Is the general impression of a terminal. The background behind this terminal is really a sea of ocean... We should first consider the following issues: Why do we need to invent a terminal instead of using a graphical interface at the beginning? After all, the mouse + graphic interface is more intuitive. Is it just for the purpose of installing high-end professionals that they deliberately make such a complicated situation, so that people feel

Reverse polish and reverse Polish expressions Poland is a great country. The radioactive element Po in the periodic table was discovered by Mrs Curie and named after her motherland Poland. Polish Notation and Reverse Polish Notation, which are commonly used in computer science, are also named in Poland. China is also a great country, and I know the Chinese remainder theorem is named after China. Other things named after the Chinese title include the Chinese knot, the Chinese Dragon (Chinese Dra

transport layer protocol in the transport layer. Only TCP and UDP are enough. If you want to extend it, You can extend it on UDP.3. several misunderstandings about TCP and UDP before protocol transformation, first clarify several misunderstandings, that is, you need to know why UDP is used instead of TCP, or vice versa, you always think TCP is better than UDP:Misunderstanding 1: UDP is more efficient. Many people think it is because UDP is more efficient. Because ACK is not required, it is most

: recursive programming, so people know that the original advanced language can also implement recursion efficiently. Since then, all programmers are inevitably dealing with the stack, a word invented by grandpa Dai (should be said to be a concept. In addition, algo60 gave Grandpa Dai an in-depth consideration of the problem of multi-channel programming, and finally invented the concept that every system pr

, but like you This kind of cool will certainly be able to say. As a result, Grandpa Dai was thoroughly penetrated by sugar-coated shells. . Two or three years later, he not only made real-time interruptions, but also wrote his own doctoral thesis around it, so he was able to successfully wear Bo. Shi hat. The one that makes grandpa Dai really famous is the algo60 developed on X1, one of the earliest advanced languages. Daye Ye got algo60 after 8 months of work and won the Turing Award i

morality. Every book I can find that talks about China refer Out: "China traditionally attaches importance to moral construction, while ignoring technological progress. Confucius and Lao Tzu created the Chinese spiritual foundation From the philosopher's perspective, scientific and technological advances will make people more and more complex, and thus hinder his moral achievements ." Zhuge Kong Ming apparently He did not only play a role in front of Liu Bei, but did not take into account th

Document directory Unicode Character Set Overview Encoding System Changes Common unicode encoding Unicode-Related Frequently Asked Questions Original article: http://www.cnblogs.com/KevinYang/archive/2010/06/18/1760597.html Character encoding seems to be very small and often ignored by technical staff, but it can easily lead to some inexplicable problems. Here we will summarize some of the popular knowledge about character encoding and hope to help you.I still have to start with the ASC

the rounds of Bram and Carel from the project owner. "We know that real-time interruptions make your work very difficult, but a cool man like you can say it. As a result, Grandpa Dai was thoroughly penetrated by sugar-coated shells and took over the hot potato.Two or three years later, he not only made real-time interruptions, but also wrote his own doctoral thesis around it and put on his doctor's hat. The one that makes grandpa Dai really famous is the algo60 developed on X1, one of the earli

Brief History of Motor development:1.182 Tesla discovered the magnetic effect of the current, and then ampere established the Ampere law by summing up the current in the magnetic field by the mechanical force.Tesla invented the first motor model for 2.1821 years.For 3.1831 years, Faraday invented the world's first truly electric motor, the Faraday disc generator, using electromagnetic induction.In the summe

: Store instruction order in storage and address it with program counters, but also allow conditional transfer. The stored-Program concept is a revolutionary idea that today is called the von Neumann architecture and is the foundation of modern computer design. But the von Neumann architecture also has the disadvantage that it takes a lot of time to get instructions from memory to the CPU to prepare for execution, which is called von Neumann bottleneck. 1948 Lloyd Shann

simplified reflection model called the Phong reflection Model , which is a completely different subject than the Phong, and cannot be confused.In the refraction of light, there is an important concept called refractive index. In most three-dimensional programming implementations, the value "Index of refraction" (refractive index) is usually abbreviated as "IOR".An example of a straight coloring, a three-dimensional painting of the Dunkirk battleshipPopular reflection rendering techniques in thr

Neural network and support vector machine for deep learningIntroduction: Neural Networks (neural network) and support vector machines (SVM MACHINES,SVM) are the representative methods of statistical learning. It can be thought that neural networks and support vector machines both originate from the Perceptual machine (Perceptron). Perceptron is a linear classification model invented by Rosenblatt in the 1958. Perceptual machines are effective for line

According to foreign media reports, Linux and other open-source software are generally less likely to be attacked by viruses or hackers. However, a worm recently invented has aroused the attention of the open source community. The attack target of this virus is widely used on the Linux platform. According to foreign media reports, Linux and other open-source software are generally less likely to be attacked by viruses or hackers. However, a worm rece

Like HTML, XML comes from StandardGeneralizedMarkupLanguage, a standard general Markup Language (SGML. Before the Web was invented, SGML already existed. As its name implies, SGML is a general language that describes document materials with tags. it contains a series of document type definitions (DTD for short ), the DTD defines the meaning of the tag, so the SGML syntax can be expanded. SGML is very large and not easy to learn and use. it is also ver

the root in the integral± is often used when solving equations, but this often makes the grouping process very confusing, such as a±b±c. Leibniz seems to have had a similar problem, but he invented a notation to solve the problem-a method that is worth using even now:Leibniz invention Mark grouping ±Some of the marks used by Les let me be unclear. But these on-wave lines are really pleasing to the eye:And these little dots:Or a chart that looks inter

The previous article mainly introduced the public Internet topology, or the physical structure, then this article to introduce ip--is the network of each node or end system identification problem. In reality, the end of the road is a village or city, they are names, but the network world, with the name of each host is not very wise, so people invented the IP this way to identify the host.IP is a binary number, a total of 32 bits, theoretically can hav

, the browser address bar will appear the following URLhttp://www.techug.com/The part that I added in bold is the HTTP protocol. Most Web sites use the HTTP protocol to transfer web pages, as well as various things (images, CSS styles, JS scripts) that are contained on Web pages.2. What does "SSL/TLS" Do with the drip? SSL is the abbreviation for foreign language "secure Sockets layer", which is called "Secure Sockets Layer" in Chinese. It was designed by Netscape in the middle of the 90 century

IOS games, A newIos gamesThere are also many friends who want to know how to play the cube. xiaobian also read a lot of related information about CubeMaster on the Internet. However, the common Rubik's Cube is 3D. What would happen if I put it on a smartphone or tablet? The free 2D cube game CubeMaster on IOS platform will tell you the answer. The cube invented by Professor Erno lubick of the College of architecture in Budapest, Hungary, in 1974 was