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Topic Review
JASS
JASS and JASS2 (sometimes said to stand for Just Another Scripting Syntax) is a scripting language provided with an event-driven API created by Blizzard Entertainment. It is used extensively by their games Warcraft III (JASS2) and StarCraft (JASS) for scripting events in the game world. Map creators can use it in the Warcraft III World Editor and the Starcraft Editor to create scripts for triggers and AI (artificial intelligence) in custom maps and campaigns. Blizzard Entertainment has replaced JASS with Galaxy in Starcraft II.
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Topic Review
Java Servlet
A Java servlet is a Java software component that extends the capabilities of a server. Although servlets can respond to many types of requests, they most commonly implement web containers for hosting web applications on web servers and thus qualify as a server-side servlet web API. Such web servlets are the Java counterpart to other dynamic web content technologies such as PHP and ASP.NET.
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Topic Review
Office Online
Office Online (known before 2014 as Office Web Apps and as of July 2019 as Office) is an online office suite offered by Microsoft, which allows users to create and edit files using lightweight Microsoft Office web apps: Word, Excel, PowerPoint and OneNote. The offering also includes Outlook.com, People, Calendar and OneDrive, all of which are accessible from a unified app switcher. Users can install the on-premises version of this service, called Office Online Server, in private clouds in conjunction with SharePoint, Microsoft Exchange Server and Microsoft Lync Server.
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Topic Review
Interactive Visualization
Interactive visualization or interactive visualisation is a branch of graphic visualization in computer science that involves studying how humans interact with computers to create graphic illustrations of information and how this process can be made more efficient. For a visualization to be considered interactive it must satisfy two criteria: One particular type of interactive visualization is virtual reality (VR), where the visual representation of information is presented using an immersive display device such as a stereo projector (see stereoscopy). VR is also characterized by the use of a spatial metaphor, where some aspect of the information is represented in three dimensions so that humans can explore the information as if it were present (where instead it was remote), sized appropriately (where instead it was on a much smaller or larger scale than humans can sense directly), or had shape (where instead it might be completely abstract). Another type of interactive visualization is collaborative visualization, in which multiple people interact with the same computer visualization to communicate their ideas to each other or to explore information cooperatively. Frequently, collaborative visualization is used when people are physically separated. Using several networked computers, the same visualization can be presented to each person simultaneously. The people then make annotations to the visualization as well as communicate via audio (i.e., telephone), video (i.e., a video-conference), or text (i.e., IRC) messages.
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Topic Review
Linear Difference Equation
In mathematics and in particular dynamical systems, a linear difference equation:ch. 17:ch. 10 or linear recurrence relation sets equal to 0 a polynomial that is linear in the various iterates of a variable—that is, in the values of the elements of a sequence. The polynomial's linearity means that each of its terms has degree 0 or 1. Usually the context is the evolution of some variable over time, with the current time period or discrete moment in time denoted as t, one period earlier denoted as t − 1, one period later as t + 1, etc. An nth order linear difference equation is one that can be written in terms of parameters a1, …, an and b as or equivalently as The equation is called homogeneous if b = 0 and nonhomogeneous if b ≠ 0. Since the longest time lag between iterates appearing in the equation is n, this is an nth order equation, where n could be any positive integer. When the longest lag is specified numerically so n does not appear notationally as the longest time lag, n is occasionally used instead of t to index iterates. In the most general case the coefficients ai and b could themselves be functions of t; however, this article treats the most common case, that of constant coefficients. If the coefficients ai are polynomials in t the equation is called a linear recurrence equation with polynomial coefficients. The solution of such an equation is a function of t, and not of any iterate values, giving the value of the iterate at any time. To find the solution it is necessary to know the specific values (known as initial conditions) of n of the iterates, and normally these are the n iterates that are oldest. The equation or its variable is said to be stable if from any set of initial conditions the variable's limit as time goes to infinity exists; this limit is called the steady state. Difference equations are used in a variety of contexts, such as in economics to model the evolution through time of variables such as gross domestic product, the inflation rate, the exchange rate, etc. They are used in modeling such time series because values of these variables are only measured at discrete intervals. In econometric applications, linear difference equations are modeled with stochastic terms in the form of autoregressive (AR) models and in models such as vector autoregression (VAR) and autoregressive moving average (ARMA) models that combine AR with other features.
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Topic Review
MSN TV
MSN TV (formerly WebTV) was a web access product consisting of a thin client device which used a television for display (instead of using a computer monitor), and the online service that supported it. The device design and service was developed by WebTV Networks, Inc., a company started in 1995. The WebTV product was announced in July 1996 and later released on September 18, 1996. In April 1997, the company was purchased by Microsoft Corporation and in July of 2001, was rebranded to MSN TV and absorbed into MSN. While most thin clients developed in the mid-1990s were positioned as diskless workstations for corporate intranets, WebTV was positioned as a consumer product, primarily targeting those looking for a low-cost alternative to a computer for Internet access. The WebTV and MSN TV devices allowed a television set to be connected to the Internet, mainly for web browsing and e-mail. The WebTV/MSN TV service, however, also offered its own exclusive services such as a "walled garden" newsgroup service, news and weather reports, storage for user bookmarks (Favorites), IRC (and for a time, MSN Chat) chatrooms, a Page Builder service that let WebTV users create and host webpages that could later be shared to others via a link if desired, dedicated sections for aggregated content covering various topics (entertainment, romance, stocks, etc.), and a few years after Microsoft bought out WebTV, integration with MSN Messenger and Hotmail. The setup included a thin client in the form of a set-top box, a remote, a network connection using dial-up, or with the introduction of Rogers Interactive TV and the MSN TV 2, the option to use broadband, and a wireless keyboard, which was sold optionally up until the 2000s. The WebTV/MSN TV service lasted for 17 years, shutting down on September 30, 2013 and allowing subscribers to migrate their data well before that date arrived. The original WebTV network relied on a Solaris backend network and telephone lines to deliver service to customers via dial-up, with "frontend servers" that talk directly to boxes using a custom protocol, the WebTV Protocol (WTVP), to authenticate users and deliver content to boxes. For the MSN TV 2, however, a completely new service based on IIS servers and regular HTTP/HTTPS services was used.
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Topic Review
Medical Data Breach
Medical data, including patients' identity information, health status, disease diagnosis and treatment, and biogenetic information, not only involve patients' privacy but also have a special sensitivity and important value, which may bring physical and mental distress and property loss to patients and even negatively affect social stability and national security once leaked. However, the development and application of medical AI must rely on a large amount of medical data for algorithm training, and the larger and more diverse the amount of data, the more accurate the results of its analysis and prediction will be. However, the application of big data technologies such as data collection, analysis and processing, cloud storage, and information sharing has increased the risk of data leakage. In the United States, the rate of such breaches has increased over time, with 176 million records breached by the end of 2017. There have been 245 data breaches of 10,000 or more records, 68 breaches of the healthcare data of 100,000 or more individuals, 25 breaches that affected more than half a million individuals, and 10 breaches of the personal and protected health information of more than 1 million individuals.
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Topic Review
Naturalism
In philosophy, naturalism is the idea or belief that only natural laws and forces (as opposed to supernatural ones) operate in the universe. According to philosopher Steven Lockwood, naturalism can be separated into an ontological sense and a methodological sense. "Ontological" refers to ontology, the philosophical study of what exists. On an ontological level, philosophers often treat naturalism as equivalent to materialism. For example, philosopher Paul Kurtz argues that nature is best accounted for by reference to material principles. These principles include mass, energy, and other physical and chemical properties accepted by the scientific community. Further, this sense of naturalism holds that spirits, deities, and ghosts are not real and that there is no "purpose" in nature. This stronger formulation of naturalism is commonly referred to as metaphysical naturalism. On the other hand, the more moderate view that naturalism should be assumed in one's working methods as the current paradigm, without any further consideration of whether naturalism is true in the robust metaphysical sense, is called methodological naturalism. With the exception of pantheists—who believe that Nature is identical with divinity while not recognizing a distinct personal anthropomorphic god—theists challenge the idea that nature contains all of reality. According to some theists, natural laws may be viewed as secondary causes of God(s). In the 20th century, Willard Van Orman Quine, George Santayana, and other philosophers argued that the success of naturalism in science meant that scientific methods should also be used in philosophy. According to this view, science and philosophy are not always distinct from one another, but instead form a continuum.
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Topic Review
OFFSystem
The Owner-Free File System (OFF System, or OFFS for short) is a peer-to-peer distributed file system in which all shared files are represented by randomized multi-used data blocks. Instead of anonymizing the network, the data blocks are anonymized and therefore, only data garbage is ever exchanged and stored and no forwarding via intermediate nodes is required. OFFS claims to have been created with the expressed intention "to cut off some gangrene-infested bits of the copyright industry."
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Topic Review
Life and Death
Life and death (死活) is a fundamental concept in the game of Go, where the status of a distinct group of stones is determined as either being "alive", where they may remain on the board indefinitely, or "dead," where the group will be lost as "captured". The basic idea can be summarized by:
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