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What Is A Namespace?
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.
See lessWhat is OOPS?
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)
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.
See lessWhat Is Protected Configuration?
Protected Configuration: Meaning and Explanation Protected configuration refers to a technical process through which any data is protected using enhanced layers of security applications. It makes it difficult for any third-party or intruders to get inside your sensitive data and steal the same. UsRead more
Protected Configuration: Meaning and Explanation
Protected configuration refers to a technical process through which any data is protected using enhanced layers of security applications. It makes it difficult for any third-party or intruders to get inside your sensitive data and steal the same.
Using the protected configuration path, you can make it even more difficult for hackers and intruders to go inside your site and get access to your configuration file.
By sensitive information, we mean user id, email id, connection strings, and encryption codes. Mostly, all sensitive information is stored inside ASP.NET, and using a protected configuration route you can easily encrypt essential details.
What is its function?
Using protected configuration you may not be able to encrypt or decipher configprotecteddata folder of your config file. That is why Protected configuration primarily helps in hiding sensitive details from outsiders.
Managing Protected Configuration
A website admin should use the ASP.NET IIS registration key (ASPNET_REGIIS.EXE)—executable file to manage the protected configuration of essential files. In order to implement a protected configuration provider, start a class to inherit the Protected Configuration Provider abstract class.
Types of Protected Configuration offered by .NET:
In Conclusion:
With ASP.NET 1.0, the admin can easily store multiple sensitive data and information in a highly secret manner. Developers know the importance of connection strings as they contain necessary website admin credentials and other sensitive data.
It is recommended to use a protected configuration route to save essential data in an encrypted format, which nobody can steal or hack into your server. It is compatible with both ASP.NET and NON-ASP.NET frameworks.
See lessWhat is Response.Redirect?
Response.Redirect Definition: Response.Redirect refers to an HTTP code, which sends the user to a new page updating the address bar and adding the same into the browser track history. You can press the backspace on your browser to go back. What is the difference between Response.Redirect and ServerRead more
Response.Redirect Definition:
Response.Redirect refers to an HTTP code, which sends the user to a new page updating the address bar and adding the same into the browser track history. You can press the backspace on your browser to go back.
What is the difference between Response.Redirect and Server.Transfer?
Server.Transfer is a specialised command, which doesn’t get changed at the address bar. You can’t press the backspace because it doesn’t go back. Response.Redirect asks the online browser to go to another page, on the other hand, Server.Transfer reduces server requests while keeping the URL the same.
Response.Redirect: Explanation
Server.Transfer: Explanation
The Suitability of Response.redirect
- When you want to redirect the request to an HTML page on our web server.
- When you need not preserve Query String and Form Variables from the original request.
- When users want to see the new redirected URL and bookmark the same if needed.
- When you want to move the current web page data to another .aspx page.
- When you wish to display the URL on the browser.
See lessWhat is RIA?
RIA Definition: The short form of Rich Internet Application is known as RIA. It is in-built within the framework of a Web browser. The RIA eliminates software installation on the client-side to work.Thus, the RIA was created to deliver the same features and functions normally associated with DesktopRead more
RIA Definition:
The short form of Rich Internet Application is known as RIA. It is in-built within the framework of a Web browser. The RIA eliminates software installation on the client-side to work.
Thus, the RIA was created to deliver the same features and functions normally associated with Desktop applications but much faster, versatile and safe.
Most of the RIAs run their client portions within a special isolated area of the client desktop which is called a Sandbox. The sandbox protects the client’s file and operating system.
Thus it also provides safety to the application server of the client. It may be mentioned here that there are some RIAs that work properly with one or more specific browsers thus it is not for general purposes.
Features/characteristics of RIA:
The RIA has several features. The main features are:
Web-based applications similar to features/characteristics of graphical desktop applications.
RIAs are faster and more engaging.
RIAs offer better visual experience.
RIAs are more interactive than traditional browser applications that use only HTML and HTTP.
It splits the processing across the Internet/network divide by locating the user interface.
The RIA is the client engine that intermediates between the user and the application server.
Main Features of RIA:
The RIAs has several features including:
RIAs Interacts Directly:
RIAs allow a wider range of controls facilitating greater efficiency. To exemplify this point, users can interact directly with page elements including a map, chart, graph, and images through editing or drag-and-drop tools.
It Keeps on Updating the Page Partially:
This is one of the most useful features of the RIA. It incorporates such benefits like real-time streaming, high-performance client-side virtual machines, and local caching mechanisms. Subsequently, the wait times are reduced, increasing the responsiveness.
Better feedback system:
Because of their ability to change parts of pages without reloading, RIAs can provide the user with fast and accurate feedback, real-time confirmation of actions and choices, and informative and detailed error messages.
Benefit of Offline use:
It can work offline when connectivity is unavailable.
What are the advantages and disadvantages of RIAs?
RIAs perform better than traditional apps. This is a major advantage. However, there are certain disadvantages of RIAs also. Following are major advantages and disadvantages of this system:
The Advantages of RIA:
Mobile Access to Information
Tracking of Batch and Item Level Made Easier
Master Item Synchronization
Better Data Visualization
The Disadvantages of RIA:
It has some disadvantages which are following:
Briefly history of RIA:
RIA, a term coined in 2002, took several years to progress, mature and finally shape. The first RIA research appeared in 2004 and from 2007, there had been major research on it which further increased after 2009.
For all practical purposes, the RIA was introduced in 2002 by Macromedia (which later became Adobe Flash). This term was given in a white paper of March 2002 by Macromedia.
In Conclusion:
The RIAs allow the client system to handle local activities, calculations, and reformatting jobs thus reducing the amount and frequency of client-server traffic.
See lessWhat Is SDI?
SDI: Definition and Meaning SDI or Serial Digital Interface refers to the standard format through which delivery of any digital video takes place using coaxial cable. SDI supports data speed up to 3 Gbps. You need a standard 75-ohm cable to let SDI operate on your home TV installations. It is inclRead more
SDI: Definition and Meaning
SDI or Serial Digital Interface refers to the standard format through which delivery of any digital video takes place using coaxial cable. SDI supports data speed up to 3 Gbps. You need a standard 75-ohm cable to let SDI operate on your home TV installations.
It is included in types of common digital video interfaces like SDI, HD- 12G-SDI, SDI, 3G-SDI, and 6G-SDI—widely in use in the broadcast and TV industry.
SDI: Needs and Purposes
The primary function of SDI (Serial Digital Interface) is to transmit uncompressed and unencrypted digital video signals in TV studios. But it is also used for various other broadcasting purposes including some technical operations as well.
How much speed does SDI offer?
SDI can offer speed up to 3Gbps but usually, it offers to speed up to 270 Mbps. However, some of the latest SDI (released after 2015) can give you speed up to 12-GBPS.
Can I use my PC without SDI?
Yes. You can. You need SDI only when you want to watch TV.
Why is SDI used for?
SDI is used to transmit signals in an uncompressed and self-synchronised format. It helps in transmitting the signal from the transmitter to the receiver in the least possible time.
The standard it follows helps in utilizing the data words, which are 10 bits in length. SDI signals can have 1–4 independent digital audio signals along with video signals. Right now, SMPT 2110 is the most acceptable standard format for SDI on IP networks.
History of SDI
The SDI video standard got its existence for the first time in 1989 when SMPTE (Society of Motion Picture and Television Engineers) invented it to enhance their audio-visual quality.
Thereafter, its quality kept on getting better and better. 1998 is crucial in this regard as High Definition SDI was launched for the first time in history in the same year.
What is the difference between HDMI and SDI?
Technically, both HDMI and SDI are used for transmitting uncompressed audio and video signals. However, there’s a slight difference between these two terms.
HDMI is famous for connecting Blue-ray DVD players and other audio-video streaming devices like video game consoles, Xbox, and others. It offers high-quality resolution up to 10k to 120 hz. Most HDMI cables can support up to 40 feet. It costs much lower than SDI.
On the other hand, SDI is used mainly by broadcast professionals and sound engineers. It is quite expensive. An SDI cable can support up to 96 feet. It has been in use since the late 90s.
What are SDI standards?
SDI standards refer to the various versions of SDI available in the market.
SD-SDI (SMPTE 259M), ED-SDI (SMPTE 344M), HD-SDI (SMPTE 292M), Dual Link HD-SDI (SMPTE 372M), and 12G-SDI (SMPTE ST-2082) among others are some of SDI popular standards.
See lessWhat is Server.Tansfer?
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: –
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.
See lessWhat Is Data Shadow?
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.
See lessWhat Is The .Net Assembly Manifest?
.Net Assembly Manifest Definition: Manifest stands for Assemblies. Metadata refers to data about data or machine-readable information about a resource. MetaData: Metadata is a set of information that indicates how the pieces of an assembly are related to one another and the relationship between themRead more
.Net Assembly Manifest Definition:
Manifest stands for Assemblies. Metadata refers to data about data or machine-readable information about a resource.
MetaData: Metadata is a set of information that indicates how the pieces of an assembly are related to one another and the relationship between them. It provides the relationships and dependencies among the Assembly’s components, as well as version information, scope information, and the Assembly’s security permits.
Metadata for an assembly comprises type definitions, version information, external assembly references, and other specified information.
With Microsoft Intermediate Language (MSIL) code, the Assembly Manifest can be saved in a Portable Executable (PE) file. Using assembly attributes in our code, we may add or alter certain information in the Assembly Manifest. The Assembly Manifest can be stored in either a Microsoft Intermediate Language (MSIL) coded PE file (.exe or.dll) or a standalone PE file that solely contains assembly manifest information.
You can see the manifest information for any managed DLL with ILDasm.
Metadata: The name of each type, its visibility/scope, its base class, the implemented interfaces, methods, and their scope, and each method’s parameters, type’s attributes, and so on are all described in the metadata for the assembly classes, interfaces, enums, structs, and their contained namespaces.
Manifest: The term “manifest” refers to the act of putting something together. Name of the Assembly, its version number, culture, strong name, a list of all files, Type references, and referenced assemblies.
The Assembly’s identity is made up of the assembly name, version number, culture, and strong name information.
The following data is saved in Assembly Manifest:
- The name of the Assembly is specified via a text string.
- The main and minor version numbers, as well as the revision and build numbers, are all included in the version number. These numbers and information are used by the common language runtime to enforce version policy.
- If the Assembly has been given a strong name, the public key from the publisher is required.
- The following is a list of the files included in the Assembly: It keeps track of the hash of each file in the Assembly as well as the file’s name.
- This information is utilized for types exported from the Assembly. The runtime environment uses this data to map a type reference to the declaration and implementation file.
- The list of additional assemblies that are statically referred to by the Assembly is included in the information about referenced assemblies. If the Assembly is strongly named, each of these references contains the name and metadata of the dependent Assembly, as well as the Assembly public key.
See lessWhat Is .NET Framework?
Microsoft .Net Framework Definition: Microsoft .Net Framework is a software development framework for making and operating Windows applications. To create desktop and web applications, the .Net Framework involves developer tools, programming languages, and libraries. It's also used to make games, weRead more
Microsoft .Net Framework Definition:
Microsoft .Net Framework is a software development framework for making and operating Windows applications. To create desktop and web applications, the .Net Framework involves developer tools, programming languages, and libraries. It’s also used to make games, websites, and web services.
The purpose of the Dot Net Framework was to design applications that would operate on the Windows Platform. In the year 2002, the .Net Framework was released. The 1.0 version of the .Net Framework. Microsoft is a software company. Since then, the Dot Net Framework has progressed significantly, and the latest version is 4.7.2 of the .Net Framework.
Both form-based and web-based applications can be built with the Net Framework. They can also be used to create web services.
Visual Basic and C# are part of the programming languages supported by the Framework. As a result, developers can pick and choose the language in which to make the demanding application.
The Architecture of the .NET Framework:
The .Net Framework Architecture is a programming paradigm for the.Net platform that provides an execution environment and interface with numerous programming languages to make developing and deploying Windows and desktop applications easier. It is made up of reusable components and class libraries.
Design Principles for the .NET Framework:
We will now cover the design principles in this .Net Architecture tutorial.
The design principles of the dot net framework are as follows. The .Net Framework is what makes developing .Net applications so important:
1) Backward compatibility – The .Net framework has a lot of backward compatibilities. Assume you have an application that was built using an older version of the.
2) Portability — Applications created with the .Net framework can run on any Windows platform.
3) Security – The .NET Framework has a solid security system in place. The built-in security mechanism aids in application assessment and verification.
4) Memory management — All memory management is handled by the Common Language runtime. The .Net Framework includes the ability to see resources that aren’t being used by an active program.
5) Simplified deployment – The .Net framework includes tools for packaging and deploying applications created with it.
See less