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Singasani Akshay
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Singasani Akshay
Asked: December 28, 2021In: ,
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What is MVC? Explain the history of MVC and What is the utility of MVC (Model View Controller)?

Definitionhistory of MVCmodel view controllerMVCutility of MVCwhat is model view controllerWhat Is MVC
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    Singasani Akshay

    MVC Definition: MVC is the acronym for Model–View–Controller. It is basically a software design pattern which is mostly applied and used to develop the user interfaces dividing the related program logic into interconnected elements. MVC is applied to separate internal representations of informationRead more

    MVC Definition:

    MVC is the acronym for Model–View–Controller. It is basically a software design pattern which is mostly applied and used to develop the user interfaces dividing the related program logic into interconnected elements.

    MVC is applied to separate internal representations of information from the ways information is presented to and accepted from the user.

    This software design pattern is traditionally used for desktop Graphical User Interface or the GUIs. The GUIs turned useful and therefore, popular for designing different web application purposes. This is the primary reason why the MVC became popular programming languages.

    History of MVC

    MVC is now about 50 years old.

    In the 1970s, Trygve Reenskaug introduced MVC into Smalltalk-79 while visiting the Xerox Palo Alto Research Center.

    In the 1980s, the modern format of MVC was put into implementation by Jim Althoff and others who used it for the Smalltalk-80 class library.

    1996, the use of the MVC pattern in web applications grew after the introduction of NeXT’s WebObjects. The use of MVC gained momentum after 2002 when Spring was introduced. It had a strong bond between Java and MVC.

    In July and December respectively in 2005, the frameworks  Django (July 2005, for Python) was introduced followed by Rails (December 2005, for Ruby).

    With this, the popularity of MVC’s increased globally.

    Utility of MVCs

    MVCs have major utilities.

    MVCs act as the application’s dynamic data structure. This is independent of the user interface.  One of the many utilities of MVC is that it directly manages the data, logic, and rules of the application. 

    It enables multiple viewing of any representation of information such as a bar chart, diagram, map, data-table, or other numerical tables. It also acts as an effective controller accepting input and converting the command to the model or view.

    Conclusion:

    MVCs now have emerged as an ultra-sophisticated management tool to implement various commands in a controlled regime. It receives user input from the controller and the view renders the presentation of the model in a particular format.

    MVC also acts as the “core of the solution” to a problem while allowing it to be adapted for each system.

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Singasani Akshay
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Singasani Akshay
Asked: December 28, 2021In: ,
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What is a namespace? How can you define namespace members? What is the global namespace? Explain namespace aliases.

DefinitionGlobal NamespaceNamespaceNamespace AliasesNamespace Definitionwhat is a namespace
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    Singasani Akshay

    Namespace Definition: A namespace refers to a specialised section, which is used to define the scope of identifiers used in a programming language like C++. Identifiers can be anything: functions, variables, and etc. Namespaces help in organising codes into their respective logical groups and prevenRead more

    Namespace Definition:

    A namespace refers to a specialised section, which is used to define the scope of identifiers used in a programming language like C++. Identifiers can be anything: functions, variables, and etc. Namespaces help in organising codes into their respective logical groups and preventing name collisions within C++. 

    All identifiers are arranged in such a way that each of them can see one another without any specific qualification. 

    When you are using only one to two identifiers, you should use the declaration to let identifiers come within its scope while keeping other identifiers outside the namespace. A using directive should be positioned at the header of a .CPP file. You must not use directive in header files in usual cases because it will then include all elements in the namespace—it may lead to name collision, which is extremely tough to debug. 

    Define Namespace Member:

    Namespace members can be defined using a lot of blocks in either a single file or multiple folders. A compiler helps in joining parts of namespaces through processing, with all members constituting the namespace. 

    The global namespace 

    When an identifier is not clearly mentioned in an explicit namespace, it automatically becomes part of the implicit global namespace. Programmers are advised not to make declarations at the global namespace as far as possible. 

    The Standard Namespace

    The standard namespace or std namespace refers to standard library types and functions in C++. 

    Namespace Aliases

    Namespace Aliases can be used to denote a name using codes only. When names become too difficult to read or are too long, programmers use namespace aliases to simplify the task.

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Singasani Akshay
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Singasani Akshay
Asked: December 25, 2021In: ,
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What is the OOPS concept? What is its significance? What are the four basic objects of OOPS (Object Oriented Programming)? Mention advantages of OOPS?

advantages of OOPSDefinitionObject Oriented ProgrammingOOPSOOPS conceptOOPS ObjectsWhat is OOPSWhat is OOPS Concept
  1. Best Answer
    Singasani Akshay

    What are OOPS Concepts? OOP (Object Oriented Programming) concepts are extremely essential for maintaining a host of software programs and developing them from scratch.  Object Oriented Programming or OOP mainly focuses on ‘Objects.’ All OOP languages are based on class systems while defining data aRead more

    What are OOPS Concepts?

    OOP (Object Oriented Programming) concepts are extremely essential for maintaining a host of software programs and developing them from scratch. 

    Object Oriented Programming or OOP mainly focuses on ‘Objects.’ All OOP languages are based on class systems while defining data attributes and functions. It is helpful in creating class-based objects in software programs. 

    Some of the famous OOP languages are: C++, Python, and Java among others. Using the same class you can display multiple objects on it. 

    For example; When you take a class representing the occupation. A person would also have other traits like tall, handsome, good-natured and at the same time it may also include a function like ‘mentionMyName’ and on entering the command the person’s name will appear on the screen. 

    Using OOPS, you can set different data attributes for each person. That is why developers often resort to OOP techniques while creating complex software programs. 

    What Is its Significance? 

    OOP concepts are significant in JAVA because, through it, software programmers and developers can create reusable technical components while keeping the highest level of security intact. OOP aims at saving time and making each step of programming work easily without any fuss. 

    What are the four basic objects of OOPS? 

    Encapsulation:

    It helps in creating a protective layer that helps in keeping the data and class in a single folder using codes. It binds the data and works as a single unit. 

    Abstraction:

    It helps in designing a software program and separating the interface from the main class. In other words, using abstraction, we can abstract important information while keeping the rest as it is stored in the folder.

    For example: When we press a mobile factory setting key, it works but we don’t see much on-screen on how the process runs inside the device. 

    Inheritance:

    In technical terms, all classes can be named into hierarchies depicting certain properties. When one class contains the properties of another class, it is called parent class and we can say that the latter inherited certain properties from the former. It follows a typical “IS–A” type of classification.

    Polymorphism:

    It helps in the uniform treatment of all classes belonging to the same hierarchy. With a little tweak of codes, one can easily edit objects from their hierarchy roots.

    For example: If a class called “Mammal” has three classes: Tiger, Monkey, and Goat. 

    If “MakeNoise” command makes them bark, we can instead separate their bark and sound based on what they are actually called. 

    The Advantages of OOPS (Object Oriented Programming System) 

    • It offers clear instruction for programs.
    • All objects can be reusable in other projects as well, thus saving costs.
    • Quite effective in creating large software programs. 

    The Conclusion:

    Thus OOPS refer to a software programming language through which developers can build various software programs and other useful apps for the general public at large. It offers a cheaper and quicker way of developing complicated apps from scratch.

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Singasani Akshay
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Singasani Akshay
Asked: December 10, 2021In: ,
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What are a server and its variety? What do you mean by the server.transfer, and what is its application? What does response.redirect means, and what is its application?

Definitionresponse.redirectServerServer.TansferServer.Tansfer DefinitionServer.Tansfer MeaningWhat is Server.Tansfer
  1. Best Answer
    Singasani Akshay

    A server is a computer that is outfitted with software and/or hardware that permits to provide services to other computers (clients) on the network. Servers are available in a wide range of shapes and sizes, as well as different capabilities. Think about how you travel around. Consider how you get aRead more

    A server is a computer that is outfitted with software and/or hardware that permits to provide services to other computers (clients) on the network. Servers are available in a wide range of shapes and sizes, as well as different capabilities.

    Think about how you travel around. Consider how you get around. Transportation can be defined as anything that allows something or someone to move from one place to another.

    Server.Response and transfer of information. Although both redirect and reload are used to go from one page to another, there are significant differences between the two depending on the pages we want to visit.

    Server.Transfer Definition:

    Server.Transfer or we can say s-Server. The page is still in memory and can read the values straight from page2 on page1, in other words, by using a server. When you transfer a page, it is not permanently redirected.

    The ASP Server is a web application server. The Transfer Method is used to transport all of the present data created in one asp file to other.asp file.

    Once the second ASP page has finished its job, the control will not return to the ASP page from whence it was transferred.

    Appropriate Applications:

    The following are examples of appropriate applications: –

    • To send the current page request to a different server.aspx page.
    • The Query String, as well as the Form Variables, will be kept.
    • In the user’s Web Browser, we don’t need to show the real URL of where we redirected the request.

    Response.Redirect

    The redirect object permanently redirects the page to the next page, ending the processing of the previous page. The rerouted page’s new page processing continues, but it also sends a command back to the browser, resulting in an extra round trip.

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Singasani Akshay
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Singasani Akshay
Asked: December 10, 2021In: ,
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What is data shadow? How to reduce its misuse? Languages that are allowed are? Where is variable shadowing allowed, and what are examples?

Data ShadowData Shadow DefinitionData Shadow MeaningDefinitionShadowingVariable shadowing
  1. Best Answer
    Singasani Akshay

    Data Shadow Definition: A data shadow is a slang phrase for the sum of all little traces of information left behind by an individual during daily activities. When a person writes an email, changes a social media profile, swipes a credit card, uses an ATM, and so on, a small amount of data is createdRead more

    Data Shadow Definition:

    A data shadow is a slang phrase for the sum of all little traces of information left behind by an individual during daily activities. When a person writes an email, changes a social media profile, swipes a credit card, uses an ATM, and so on, a small amount of data is created.

    The concept of a data shadow has become a serious worry since it is difficult to control who looks at a person’s data shadow, what conclusions they draw, and what actions they take based on those conclusions.

    To minimize the misuse of an individual’s data shadow, data privacy regulations exist, and more are being developed. This can happen, for example, if an employer fires an employee because of his or her Facebook connections or images.

    Privacy regulation, on the other hand, frequently lags behind an organization’s ability to gather, organize, and analyze data.

    Data from surveillance systems are a major source of storage capacity requirements. This information is constantly gathered and retained for a long time, generating a permanent record of online and offline activity.

    Individuals’ privacy is an issue, and IT is burdened as the data pushes storage demands and potentially exposes sensitive info.

    People are captured on higher resolution video for significant portions of their days in numerous places. As the number of devices, their resolution, and other data details rise, so will the amount and size of these data files. With such a large amount of data, privacy policies, data ownership, retention, and disposal must all be considered.

    Administrators who are not sufficiently aware of the problem of keeping up with policy risk being held liable for leaks if data is kept that should have been discarded, or for compliance failure if data is discovered missing that should have been saved.

    ALGOL, which originally used blocks to define scopes, was one of the first languages to incorporate variable shadowing. Many derivative programming languages, for example, C, C++, and Java, allowed it as well.

    Variable Shadowing Meaning:

    Variable shadowing is allowed between an inner and an outer class, as well as between a method and its contained class in the C# language, but not between an if-block and its containing method or between case statements in a switch block.

    Variable shadowing is permitted in more circumstances in some languages than in others.

    For example, in Kotlin, an inner variable in a function can shadow a provided argument, and a variable in an inner block can shadow another variable in an outer block, whereas this is not possible in Java. A supplied argument to a function/Method in both languages can be used to shadow a Class Field.

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