Monthly Archives: June 2016

Easiest Way to Learn Computer Programming

program1

If you are really interested to learn Java then you are at the right place because here in this article you will find an overview of Java basics over here. So here it is a provision for you for as a self guided version. There would be plenty of code examples as you move ahead with this article.

This first article presents the Java system and describes the distinction between its three editions: Java SE, Java EE, and Java ME. You’ll also learn about the part of the Java Virtual Machine (JVM) in implementing Java applications.

A general purpose and an object oriented language that looks a lot like C and C++ but is easier to use and allows you to create more programs.

A network-savvy language: TCP/IP network protocols like HTTP and FTP and it can be easily coped up with extensive network library of Java. And they can access the URLs in an easy way as if its is a normal file.

Java is a robust language: Java programs must work because they are used in both client and mission-critical programs, different from Blu-ray players to vehicle-navigation or air-control techniques. Language functions that help make Java effective statements, duplicate type confirming at compile time and play-back, real arrays with computerized extensive variety confirming, and the omission of pointers.

Java is a convenient language: Structure neutrality leads to mobility. However, there is more to Java’s mobility than platform-independent bytecode guidelines. Consider that integer type sizes must not differ. For example, the 32-bit integer type must always be finalized and take up 32 bits, regardless of where the 32-bit integer is prepared (e.g., a system with 16-bit signs up, a system with 32-bit signs up, or a system with 64-bit registers). Java’s collections also play a role to portability.

Java is a multithreaded language: To improve the efficiency of programs that must achieve several projects at once, it facilitates the idea of threaded efficiency. For example, a program that controls a Graphical User Interface (GUI) while patiently awaiting feedback from a system relationship uses another line to perform the delay instead of using the standard GUI line for both projects. This keeps the GUI responsive.

Java is a secure terminology: Java applications are used in networked/distributed surroundings. Because Java applications can move to and perform on a network’s various systems, it’s important to protect these systems from harmful code that might spread malware, grab bank card information, or perform other harmful functions. Java terminology functions that support sturdiness (like the omission of pointers) work with protection measures such as the Java sandbox protection model and public-key security.

Java is a high-performance language: Presentation results in a level of efficiency that is usually more than adequate. For very high-performance application circumstances Java uses just-in-time collection, which examines considered bytecode training series and gathers frequently considered training series to platform-specific guidelines. Following efforts to understand these bytecode training series result in the performance of equivalent platform- specific guidelines, leading to an efficiency boost.

Java is an object-oriented Programming (OOP’s): Java’s object-oriented concentrate allows developers work on adjusting it to resolve an issue, rather than pushing us to control the issue to meet terminology constraints. This is different from an organized language like C. For example, whereas it allows you concentrate on bank consideration objects, C requires you to think independently about bank consideration state (such a balance) and actions (such as deposit and withdrawal).

Sun fixed the submission issue by considering Java into three main versions. These gradually became known as Java SE, Java EE, and Java ME:

Java System, Standard Edition (Java SE) is the Java platform for creating client-side applications, which run on desktop computers, and applets, which run in Internet Explorer.

Java System, Enterprise Edition (Java EE) is the Java platform designed on top of Java SE, which is used specifically to build up enterprise-oriented server applications. Server-side applications include servlets, which are Java applications that are similar to applets but run on a server rather than a customer. Servlets adjust to the Java EE Servlet API.

7 Signs You Are Implementing DevOps Wrong

dev1

Today, many organizations are seeing the significant benefit to the methodology known as DevOps. Subsequently speaking, it’s easy to add together a few tools, mix in a few methods and label yourself a DevOps focused business. Every company labeling themselves a DevOps shop says they practice DevOps and DevOps methodologies which I might add serves as an excellent tool to attract expertise to the team. Truth be said a great deal of technical recruiters stating commitment to DevOps is not actually committed at all to DevOps.

So, let’s a take a minute and look at some of the most typical misunderstanding and problematic implementations of DevOps. Chances are, your business has fallen victim to at least one of them. It doesn’t mean you aren’t practicing DevOps, it just indicates you have a ways to go before your business can satisfy the promise. DevOps isn’t a merit to be won or a standard you hope to achieve, it’s a strategy, community, communication and way of approaching the process of delivering IT Services. Take a step back, and assess your Company’s dedication to its DevOps goal. An unbias and honest look are essential to leading your team in the right direction.

1. For IT departments to operate they need technology to run, such as hardware: servers, network switches, routers and software such as operating systems, security software, project management solutions and back office applications, and something to monitor the very existence of it all.

Whenever companies made the decision to employ computers as part of the business practice, purchasing and evaluating technology became the presence of IS. It’s presumed that IT management will buy the next big thing that will assist the business strategy. Nowadays, some companies have the mistaken impression they can buy DevOps.

CIOs that attend DevOps events with other fellow CIOs begin to see the advantages of DevOPs and what is can do for their company. However, the Mode of Operation is now I want it now, not realizing that it’s not a product or service but a methodology.

They can deploy a firm or highly paid consultant to learn the method, but it requires significant participation to implement, not to mention a team to understand and embrace the practices.

Let’s demystify the idea that DevOps is a methodology that will happen overnight. It takes time, to learn the processes and dedication to see it through. Let’s not forget the embedded practices and previous deep-rooted modes of operation that still exist. Expect a fair bit of resistance to the idea, organizationally speaking.

2. Misapplying DevOps runs synchronously to the above. IT cost centers gather tools to complete their jobs more efficiently. The tools they acquire provide the ability to take care of clients, servers, storage and overall networking. The tools associated with DevOps sometimes confuse companies. Rest assured the processes of DevOps cannot be achieved without such tools. Nonetheless, when companies ignore other areas of DevOps and concentrate exclusively on the tools themselves, problems develop. Tools may be crucial. Nonetheless, they are only part of what makes DevOps function.

Assorted design management products connected with DevOps definitely assist People to build a DevOps community. Missing them, People definitely are not practicing. People can code together your own tools to improve previously manual procedures such as system testing, deployments, and server builds or People can purchase tools geared to accomplished these tasks; either or automation is a huge part of DevOps. Missing tools, you’d still be manually creating test servers, running through checklists, and checking off tick boxes.

DevOps is made up of some factors which operate beyond configuration administration; do not concentrate on only one simply because a solution is present and it’s perceptible. If you look for something perceptible to latch onto in your journey to be a DevOps focused company, you will fail.

Purchasing tools such as Chef or Puppet as a remedy for your DevOps needs is the wrong strategy, and you’re doing DevOps wrong.

3. To emphasize this point, Automated is the heart of. Automated processes are the center of the DevOps culture. Organizations employing have a strong need to automate everything possible. Automation allows them to remove human error and standardize processes across the entire software development lifecycle.

Organizations know that Automation is the driver that grows other concepts such as setting up steady, routine code deployments. Without Automated, dependable code implementations, in particular, would not be possible. Automation is an essential approach to embrace working towards DevOps culture.

If you find yourself having discussions with co-staff that include statements like, “There is no time to Automate,” or “Just work with what we have and do it manually. It’ll be faster,”. When starting out on a new project, automation should be the first idea that comes to mind.

Well Centered DevOps organizations realize that if they introduce automation up front, it will produce dividends such as dependable and faster code deployments in the future. Your company must understand that everything is on the table for Automation, such as deployments, testing, code check-in policies, servers builds — everything.

Poring over checklists and spending hours doing it to ensure code is ready signifies your doing it wrong.

4. So now we have talked about automation, it’s significant to deal with deployment regularity. The whole idea of DevOps is to fix bugs and launch new features to production quicker. That’s not accomplished by following a traditional SDLC model; that’s done by being agile.

At the core, the agile DevOps methodology comprises of releasing small modifications as frequently as possible. Its principle is to not plan out every little detail in advance before releasing to production. It is about determining what is thought to be “production ready,” addressing that with a group of automated tests, and relying on those tests written correctly will define what it means for code to be “production ready.”

Devops is similar with concepts like continuous integration and ongoing deployment. Observe the key word in both terms: regular. Devops is about consistently having developers examine the code as frequently as possible, which starts off automated tests.

For the DevOps organization, it’s about taking that code and delivering it directly to production through constant deployment. If your organization enables developers to check in code that goes through automated pre-check-in tests, then handed over to another group of controls to ensure that the code is set for a production, then goes live on your servers if assumed available automatically, then you know you’ve achieved the DevOps Methodology.

If your organization releases code modifications less frequently than you’re doing DevOps incorrect — no matter how tiny the changes or how rapidly you make them.

5. Culture is considered a “soft” aspect of any organization but couldn’t be more crucial to the DevOps culture. Often times this is where companies fail in the area of DevOps. You might be automating with the correct set of tools, and you may frequently be updating code. The inability to assimilate DevOps culture may be your downfall.

Let’s just take, for example, you committed code to a production database, and it kills the database, what would happen? Do you get admonished, reprimanded or even get your ability to deploy code taken away from you in a closed door meeting with your manager. This is an example of a company not practicing DevOps.

Here is a case of a company practicing DevOps culture. Same scenario but the meltdown of the production database is taken as a chance to learn. A Good Manager practicing DevOps culture will bring everyone into a meeting and provide candid feedback. The level of candor can be a little uncomfortable, but never placing entire blame. The cause is determined, and new automated processes are deployed and built around that mistake so it’s caught next time. This is an example of practicing DevOps Methodologies.

The idea of no longer being trusted because you made or might make a mistake, then your approaching DevOps in the wrong manner.

6. DevOps approach comes from not blaming others for systematical errors and is an essential component that has significant influence over the human aspect of the plan. Reducing failure, removing individual responsibility is the crucial part of the successful deployment of DevOps practices.

Genuine DevOps professionals know that when something fails the mistake doesn’t lie with the person developing the code but the environment itself. Developers and Operations must get along, and to do this, an inculpable culture must be established. Assume a developer produces an application, tests the application on his computer, and turns the code over to operations. If a problem happens when operations put the code into production, they cannot really blame the developer for writing substandard code, neither can the developer fault operations for not dealing with servers correctly.

Devops eliminates this issue by first figuring out the distinction between the two testing conditions. When discovered, the repair is implemented, and ideally, an automated test is created to make sure that, in the future, any defective code will fall short in the newly automated test, and will restrict that change from ever getting into production.

If a company is firing developers simply because of production malfunctions, you are practicing DevOps wrong.

7. One Team between Development and Operations. Seamless communications between developers and operations are the key to the success of DevOps. If this isn’t happening you don’t have a chance at making DevOps work right. DevOps methodology is all about seamless collaboration and cohesiveness to help the company, as a whole, achieve its goal. Communication refusal between developers and operations is a sure fire receipt for disaster.

Communication and cohesiveness between development and operations are a critical part of the DevOps philosophy. Without it, you might as well be doing double work, expect failure. It’s about taking the human emotions out of the equation and work as a professional team to build a product that helps the business.

If the only way your developers are communicating with operations is through code commit messages, then you are doing DevOps wrong.

It’s about cohesion, communication and acting as a team, it’s a culture

If you are trying to deliver IT Services Faster, without all the bugs, problems and fixes then it’s time to DevOps. It’ certainly isn’t for every company but for businesses that warrant a more meticulous approach to code management then it should be considered. More so, even if your enterprise isn’t completely committed to building a DevOps culture, there are many facets of the DevOps Methodology that can be applied to your practices successfully.

It’s a cultural philosophy, it won’t happen overnight and without patience, lots of hard work and understanding of human side you will not be able to support DevOps.

What Is the Technology Behind a Touch Screen?

touch-screen1

Have you ever wondered just how the touch screen on your cell phone, tablet, LED television, or any other device actually works? It is amazing to think that we can now issue commands to our devices with the touch of our hand and while this technology might seem new, it has actually been around since the 1960’s.

In fact, the technology behind the touch screen can actually traced right back to the 1940’s but it was only two decades later that it actually became feasible to use on a large scale.

ATMs have been using technology since 1965 which is when E.A. Johnson invented the first finger-driven touch screen that actually used the same capacitive touch mechanism that is still used in cell phones and other devices to this day.

Although there are other types of touch screen technology such as resistive touch or multi touch technology, capacitive touch technology is the one that is preferred for mass produced consumer products.

How is a Capacitive Touch Screen Made?

Today, a capacitive touch screen works through the use of an ITO touch film that is attached to the screen. This touch film is basically a semiconductor that has been printed out using semiconductor manufacturing methods such as roll to roll processing which uses a roll to roll evaporator system to create an electronic device on a flexible plastic.

A roll to roll evaporator system from industry leading manufacturers are able to mass produce ITO touch film that can be used on various devices such as smart phones, LCD or LED screens, tablets, and PC monitors.

Roll to roll technology is the preferred method over other technologies such as roll to plate and plate to plate technologies due to it offering a continuous process and higher throughput than the others. That ITO touch film is then programmed using software that enables us to give our devices instructions through the use of our fingers on the screen.

In fact, semiconductor manufacturing processes such as the roll to roll evaporator system are used for many other products too, such as solar panels, cameras, and printers.

Summary

So now you have a basic idea of where technology came from and the technology that is used to produce the semiconductor film that is used on touch screens today. Without machines that use a roll to roll evaporator system, we would not be able to enjoy the many touch screen devices that are available to us today.