10 Skills Every Software Engineer Must Practice  

By | Computer programming

Programer Coding On ComputerComputer software and programming is a science of its own. Computer engineers, just like many other professionals, are expected to have a specific set of skills in order to successfully work on programs. 

Without certain skills, computer engineers would not be able to mold the discipline of engineering to what it is today. Computer engineers must be trustworthy, adaptable, and be able to make computer applications accessible, essential, fully functioning, and transformative for customers. 

Although software and computers are constantly changing, with a few specific skills, customers can trust engineers with their applications to keep their daily duties going. We look at the top ten skills every computer engineer must acquire. 

Understanding Data Structures and Algorithms 

This skill is a top priority for companies when it comes to checking problems, solving, and coding. An experienced and skilled software engineer must know how to organize data to better understand problems and how to code applications. Understanding these elements allows these professionals to know whether data is taking too much time or space in an application.

Source Control 

This skill helps computer developers and engineers manage and store code as efficiently as possible. Most clients look for an engineer who is proficient in version control and can collaborate with other team members to configure applications. All software engineers must be comfortable with version control concepts and tools. 

Text Editing 

For most computer programmers, skills and learning start by working with text editors. Text editors play a major role in analyzing data. In fact, they have become an essential tool in the lives of many programmers. There are many text editors available such as Notepad++, Sublime Text, Atom, Brackets, Visual Studio Code, among many others. It is expected of every programmer to allocate time to this skill.

Integrated Development Environments 

Knowing the ins and outs of integrated development environments (IDE) allows engineers to easily write, modify, compile, run, and debug code. When it comes down to choosing the best development environment, programmers have several choices for different languages or applications they may be working on. Using IDEs speeds up work and there are many IDEs available for developers.


While many engineers are expected to use their own sources, it may not always work that way when working on a client-server model. In these models, requests go through networks to a server and clients can be based anywhere in the world to access the application. Understanding basic networking is crucial for developers to create a better support system for applications for clients. 

Unit, Integration, System Testing 

Before releasing software, an engineer must test it in order for it to pass. Testing is a very crucial step in determining if there are bugs and checking whether or not the software is ready to be used and handed over to the customer. There are many test methods that computer engineers can take. The most basic and most important methods of testing are unit testing, integration testing, and system testing. 


In order to prevent attacks, viruses, or bugs, engineers must be able to encrypt security keys to protect applications and software that contain sensitive user information. This should be one of the biggest concerns for every organization when it comes to creating a product or software. It goes without saying, but software engineers should be adept at encryption.


Should any mistakes happen during coding, version control repositories can step in and help. Good version control repositories such as CVS, Subversion, and Git make it possible for computer engineers to work with code and improve it without worrying about making any other big problems within the code itself. This practice tracks the history and evolution of the code. 

Code Analysis 

You can never be too careful when it comes to working with computer programs. By analyzing code, computer engineers can better locate sloppy errors such as uninitialized variables and other, more serious problems such as buffer overruns or SQL injection vulnerabilities. 

Cloud Computing 

This practice has become standard for businesses everywhere. As such, it is now expected of software engineers and programmers to include cloud computing into their services or alongside them. Moving to the cloud allows engineers to provide more security, reduce costs for clients, and ease deployment. 

Trust the Computer Software Experts at Marble Computer! 

The professionals at Marble Computer have been in the industry since 1983 and we have worked with companies in several sectors. We have worked through several challenges when it comes to computer programming and software. You can place your full trust in us. Contact us today to learn more about our services. 


Developer screen with colored website programming code

Everything You Need to Know About Load Testing in Software Testing 

By | Coding, Computer programming

Developer screen with colored website programming codeSoftware testing in programming and applications is designed to check whether the results of a program match the expected results. Software testing also ensures that a product is free of defects. One of the many ways software testing can be done is through a method called load testing. This process of software testing performs under a specific load, which verifies the stability and reliability of the system. 

If there are any defects detected, load testing will help in providing a solution before launching a new or updated software application. This is one of the many goals of load testing, as it can help narrow down any problems in your software. We discuss important information about load testing, how it works, and what it can help you achieve with your application. 

Load Testing vs. Stress Testing 

Stress testing is commonly used when analyzing software, but it has its limitations. Stress testing works to locate the breaking point of a system. In other words, it discovers the maximum point at which a program can operate before it shuts down. Load testing can do a bit more than stress testing can. Load testing can not only locate the point of maximum performance, it can identify specific points and what may be causing a workload. It is important to consider both methods of testing. Stress testing may be more popular in use, but load testing provides more specifics. 

When Load Testing Can Help

If your programs or applications are heavily used or might be under heavy stress, it is best to consider load testing before shutdowns happen during operation. When you do decide to take up load testing, it provides protection against poorly performing and encourages applications to work at their highest capabilities. Load testing is also best when looking for new strategies of enhanced performance and monitoring how well an application is producing and operating. To keep your applications from suffering from extreme downtimes, load testing can operate in response to heavy traffic.  

Goals of Load Testing 

Load testing is not only designed to get down to the nitty-gritty of faulty applications, but it aspires to do much more. Load testing aims to enhance the performance of both system and database components under various loads. Load testing is considerable for consumers in business, keeping delays between client and provider to a minimum. Load testing, just like many other programs can address even the simplest of software design issues, preventing these issues from arising once more. Memory limitations don’t have to stay at a minimum as load testing can resolve hardware issues as well. 

How to Start Load Testing 

There are many methods of load testing that can be done throughout the process. Load testing can be done manually, but the process is a bit more tedious and it cannot provide specific levels of stress that are within an application. For software companies that they have their own tools, they can execute load tests in-house. If working on your own, there are many ways you can get ahold of tools to get started with load testing. Some companies can outsource their tools for this exact reason. 

Important Things to Keep In Mind 

Before you begging load testing, you must ask yourself what is most important to your user database and which functions within the application are the most important to you and your company. This helps your load test understand more of what you are trying to achieve when running a test. The minute you begin to suspect defects, load testing should be done immediately, and often that way issues are solved as fast as possible. Load testing and the downtime it requires can vary, which is why you need to set benchmarks for your company. 

How to Select Load Testing Tools 

Finding the right tools that can support you and your team as you load test your program is critical. It is important to keep ease of use in mind, as well as the tool’s accuracy, scalability, and level of integration. If these tools are promising and can be used in several applications, they are your best fit for load testing and more. 

Choose Marble Computer for Quality Testing Services 

Load testing requires the programming knowledge that allows software engineers to use and apply load testing tools. The professionals at Marble Computer can conduct the appropriate testing for your applications. Contact us today to learn more about how our services can hone in on your applications.

How COVID-19 Has Impacted Sectors of Technology and Computer Science

By | Computer programming

a woman working at home on her computer with three monitors turned onIt’s safe to say that the COVID-19 pandemic has been felt by businesses all across the globe. It has hurt some and it has provided others with the opportunity to expand dramatically. Most importantly, COVID-19 has had a notable impact on businesses that specialize in technology and computer sciences. It is important to understand how the pandemic has affected these sectors considering we rely on technology and services of computer science more and more every day. In a positive sense, it has provided businesses, such as Marble Computer, with the opportunity to optimize technical functions in everyday obligations. We’re here to discuss the specifics regarding COVID-19’s effects on businesses like ours. 

Hardware and Software 

Although the supply of new hardware products is slowing down, this time in history has provided software and programming to grow extensively. We have witnessed a decrease in hardware products due to supply chain constraints. With that being said, companies that were able to work remotely before the pandemic are in high demand. Security software has been popularly requested by several business clients. It is obvious that prices for security software will increase and so will spending on these products. Furthermore, organizations are finding more and more value in securing endpoints, cloud-based tools, log management, and VPNs. 

IT Services

Similar to computer software companies, IT services and businesses are experiencing demands. IT spending is estimated to grow due to the need to invest in cloud infrastructure services and the installation of specialized software. We have already seen a large increase in telecommunication equipment and services as organizations feel compelled to further encourage interaction with employees and students as they operate from home.

Thanks to enhanced remote work scenarios, IT departments are expected to play a larger role in BCPs (business continuity plans) and will need help from software and programming experts in order to procure devices that obtain the necessary functions, languages, and security to function as desired. 

Lastly, IT services are given the responsibility of enhancing faster access to data and automation in order to allow businesses to rely on network and communication equipment at a speed like never before. This can speed up 5G network deployments and the adoption of 5G equipment overall. 

Network Equipment 

Network equipment, such as teleconferencing software, is increasing as more and more computer software and technology companies encourage employees to telecommute. This provides potential benefits for companies who already have these products deployed. It is important to consider that, similar to internet technology and products, faster access to data and automation allows people to keep consistency with their work and day-to-day work obligation. Network equipment is heavily relied on in order to curate communications that are fast, reliable, and deploy information at a rate that benefits businesses, customers, employees, and employers everywhere. 

The Effects on Employees and Company Teams

Computer software business and IT services are able to work remotely, despite what may be happening on a global scale. The dependability of these businesses has become a strain for some, however. Developers and professionals have been able to focus more and have been able to provide customers with the digital transformation they need to help their businesses thrive. However, some respondents have encountered several difficulties in the attempt to apply applications, software, and automation for businesses and clients in need. Overall, the transition to working from home has benefited software teams more than it has hurt them. It has provided them with opportunities to comprise new software strategies, thus accelerating many businesses. 

How to Move Forward

We can learn plenty about those who work in computer software, programming, and sectors of technology, especially as we witness how they can manage their services during a global crisis. Businesses with these focuses are expected to drive technology and computer product adoption to encourage innovation and to support the “future of” scenarios. Additionally, these companies plan to understand the supply and demand during the pandemic in order to develop more intricate inventory strategies. Lastly, businesses such as us intend on implementing a digitally-enabled future full of work tools that support business processing, automating, and back-office functions. 

Contact Marble Computer for Optimization, Migration, and More 

At Marble Computer, our purpose is to allow businesses to thrive with the help of application optimization, implementing computer languages, and much more. Contact us today to learn more about how your business can benefit from the migration and COBOL 6.2 services at Marble Computer.

The 8 Types of Data in JavaScript

By | Computer programming, Programming language

Programmer applies JavaScript and allows it to run to apply data for a new computer application.

Before we can discuss the different types of data in JavaScript, it’s crucial to understand what exactly data is in these computer programs. A data type is responsible for sending messages to the compiler or programmer on how the program intends to use the data. Data can be numeric, alphanumeric, or decimal and can be featured in other forms. Any type of data can be implemented in variables when installing JavaScript. Let’s discuss the eight different types of data in JavaScript to learn more about their operations within an application. 


The number type of data represents both integer and floating-point numbers. An integer could be n=123 and a floating-point number could be n=12.345. There are many operations for these numbers to be generated, including the most common—addition, subtraction, multiplication, and division. Besides integers and decimal-based numbers, JavaScript is also enabled to read “special numeric values” which belongs to a more specific data type, Infinity, and NaN. 


BigInt is a built-in data type that provides an efficient way to represent whole numbers larger than 253-1, which is the largest number that JavaScript can successfully represent with the number primitive. BigInt is predominantly used for documenting and interpreting arbitrarily large numbers. With this being said, BigInt numbers are rarely needed. This data type is currently available and supported in Firefox, Chrome, and Edge. 


This data type is a sequence composed of string or of connected characters that often make up words. Although, string-type data is equipped to create a string with any type of character or syntax, there are some characters that are exceptional. If you need to include a double quote, a tab, or a carriage return in a string, JavaScript has “escape codes” to allow you to implement those. For double and single quotes, these are “simple” quotes, which is what you see more often in string data. 

Boolean (Logical type)

The Boolean data type is broken up only into two values: true and false. This is intended to store “yes” and “no” values by using “true” for “yes” and “false” for “no”, making it easier for the computer application to read commands. Boolean values can also respond to numerical values and equations, such as 4 > 1, which would be false. “On” and “off” can also be interpreted for “true” and “false” for special commands. 

The “Null” Value

The “null” data type does not belong or correlate with any other data type in JavaScript. Null does not refer to any other value or a non-existing object. Simply put, it a special value that represents “nothing”, “empty”, “or value unknown”. For example, the command “let age = null” would determine the age as an “unknown” value. 

The “Undefined” Value 

Much like the “null” value, the “undefined” value makes its own category. Undefined in JavaScript refers to “value is not assigned”. If a variable is declared, but not assigned, then its value is undefined. For example:

Let age;

Alert(age); // shows “undefined”

“Undefined” results out the fact that the age was not assigned a numerical value nor a “null” value. “Undefined” is predominantly used for a default value when things are unassigned. 

Objects and Symbols

Objects and symbols are the most recent primitive type introduced in JavaScript. This type of data is considered a counterpart to types such as Number, Strong, and Boolean. Symbols can be created using “(“ and “)”. This, in turn, creates unique identifiers whenever objects need to be interpreted. Objects are used to store collections of data and other complex entities if need be. 

“Typeof” Operator

The Typeof operator in JavaScript coincides with String data type. It returns a string indicating the type of the unevaluated operand, which is an expression representing the object or primitive whose type is to be returned. The typeof operator is what allows an application to determine a data type, including all of the types we have discussed. For any other type that was not pre-installed, it will identify the data as “object”. 

Optimize Your Application With Marble Computer 

The professionals at Marble Computer offer migrations, conversions, and development so that your systems offer you with highly responsive actions and software. Contact us to learn more about how we can implement the necessary maintenance to your application, today.

Common Issues IT Technicians Face When Migrating Computer Mainframes

By | Computer programming, Programming language

New computer languages in the process of being implemented into a system application.

There comes a time when businesses have to face the finite lifecycles of their current mission-critical applications. When this time comes, business personnel will find it obligatory to upgrade or replace their existing hardware/software by migrating its key functionalities to a new computing platform. Without a doubt, migrating mainframes can be overwhelming if you don’t familiarize yourself with the challenges that potentially lie ahead. We discuss some of the most common issues professionals and businesses face when conducting software migration projects. 

First and Foremost, Transferring and Migrating Data 

One major issue that commonly arises when migrating mainframes is the need to migrate data as well. If your current system has been in heavy use for years on end, the chances are that it has accumulated large quantities of data in the form of files, records, and other pieces. When migrating from mainframes, it is important to think about how this data will be migrated to a new system with no faults or roadblocks that could impede the process. If you do plan to create a method of transferring data for a successful migration, it could be helpful to consider the following questions:

  • What predominant formats are the files?
  • What is the size of the data and how are they categorized?
  • Which data needs to be migrated and which can be left out?

Planning ahead for data migration can make the process much easier and smooth regarding when it comes to operating your business. 

The Costly Aftermath of Integrating Your Systems 

Oftentimes, business personnel misperceive the final execution of integrated systems to be the biggest challenge in migration, but that’s not necessarily the case. If migration doesn’t go as planned, integration can be as costly as developing the new system. System integration involves all the tasks that must be completed before the new mainframe replaces your existing software. This extends to migrating the data, teaching your business team how to maneuver the new system, establishing tech support, and deactivating the new system. All of these tasks are not only time-consuming but they can also place a dent in your finances if you’re not meticulous the first time around.

Learning the Languages and Processing Engines  

With a new computing platform often comes a new coding language to learn. This can be labor-intensive and require expertise that the IT team who assist may not have or be able to spare. This can summon the following application complexities. 

  • A lack of detailed knowledge and understanding of the application’s code, how it works, and its purpose. 
  • If your mainframe applications share a parent data store, your new system may require an entirely new application code to ensure that your mainframe database and new platform databases operate in sync. 

Overall, these complexities can impede performance time, and cost investments without utilizing the proper expertise and IT advising when it comes to familiarizing yourself with a new coding language. 

Increased Risk of Internal Migration Failures 

The process of migrating applications from a legacy mainframe carries a number of risks that must be properly handled in order to gain the best out of your new system. IT technicians and businesses usually come into contact with the following:

  • Unauthorized cutover and testing phase challenges that require additional mainframe migration. 
  • Poor project planning and lack of clear tools and equipment for the potential migration to new phases of the application. 
  • Draining the knowledge of the mainframe, and not being able to spare the modification history. 

Mainframe specialists can help with the development of an application-specific migration plan and uncover certain needs in order to attain successful migration of mainframe applications. 

Maintaining Business Production with Down Systems

Lastly and most importantly, one of the most common issues that businesses have to come into contact with is being able to sustain their daily operations without being reliant on their computer mainframe systems. There is plenty that could go wrong during the migration of mainframes; as such, IT technicians have to take their time and work diligently to ensure proper execution of an application. It could be helpful and effective to deploy a new mainframe when it will be less disruptive for your business and customers. If there isn’t an optimal time during the day, it is important that you strategize accordingly while your new system is being migrated. 

Choose The Professionals at Marble Computer For Successful Mainframe Execution  

At Marble Computer, we are comprised of experienced professionals who are knowledgeable in migrating your current systems to new and updated mainframes.  Our Control/DCD software can be of extreme value when migrating applications to new computing platforms. Contact us today to learn more about how we can assist throughout the process of migration.

A Brief Timeline of Computer Programming and Its Possible Future

By | Computer programming, Programming language

Computer programmer analyzes and compares two different computer programming languages.

These days, it seems like everyone is talking about computer programming, language, and coding. It almost seems as if the hype surrounding programming was an overnight kind of thing, but that’s not the case at all. Now more than ever, there has been a surplus of programs, classes, and tutorials designed to help aspiring coders. We’re here to go over how computer programming came to be and how it plays an integral role in our lives and for the future.

The History of Programming

1883—the Algorithm for the Analytical Engine

This algorithm was created by Ada Lovelace for Charles Babbage’s Analytical Engine to compute Bernoulli numbers. Not only is Lovelace considered the world’s first-ever computer programmer but the programming language ”Ada” is named after her honor.

1949— Assembly Language

Assembly language is any low-level programming language in which there is a very strong correspondence between the instructions in the language and the architecture’s machine code instructions. In simpler terms, it simplifies the language in the machine code and the instruction that dictates the action of the computer. It was first widely used in the Electronic Delay Storage Automatic Calculator.

1959— The Creation of COBOL

Created by Navy Admiral Grace Murry Hopper as a computer programming language that could run on all brands and types of computers, COBOL stands for Common Business Oriented Language. This language is commonly used in ATMs, credit card processing, telephone systems, hospital and government computers, automotive systems, and traffic signals.

1972—The Creation of C

Developed by Dennis Ritchie at Bell Labs, C is considered by many to be the first high-level language. A high-level computer programming language is closer to human language and more removed from the machine code. C was created with the intent that operating systems could be used on a wide spectrum of computers. It has influenced the creation of many other languages including Ruby, Java, JavaScript, Perl, PHP, and Python.

The Introduction of SQL

SQL was developed by Donald D. Chamberlin and Raymond F. Boyce at IBM. SQL stands for Structured Query Language. It is used for viewing and changing information that is stored in databases. SQL utilizes command sentences called queries to add, remove, or view data.

2003— Concise and High-Level Language of Scala

Scala was created by Martin Odersky. Scala is a computer programming language that combines functional programming, which is mathematical, with object-oriented programming, which is organized around data that controls access to its code. Its compatibility with Java makes it helpful in Android development.

2009— The Go Programming Language

Go is a programming language designed by Google to address problems that may occur in large software systems. Since computer and technology use is much different today as opposed to when languages such as C++, Java, and Python were predominantly used, problems arose when large computer systems become more prevalent in business and working settings. Go is intended to improve the working environment for programmers so that they could write, read, and maintain large software systems more efficiently.

2014—Swift: Apple Developer

Swift is a computer programming language developed by Apple as a replacement for C, C++, and Objective-C. Swift is supposed to be more efficient to use and allows less for mistakes. It is versatile and is used for desktop apps, mobile apps, and cloud services.

Anticipated Changes for Programming

New technologies running on revolutionary new programs are constantly being produced and marketed to citizens across the globe, which also means that programmers always have something new to learn. Programmers predict that new voice-activated applications will take the lead in computer programming. New and updated voice-activated applications can enable consumers to gain information and interact more, virtually, through a website, and in many other ways.

Mobile development is also predicted to be demanded in terms of computer programming. Web technology is growing at a rapid rate. Consumers are more interested in online shopping, research, and more, which calls for online automation. These are huge changes that are going to continue as they tend to make the everyday tasks of consumers and business personnel much easier.

Learn More About the Intricacies of Programming with Marble Computer

Marble Computer is comprised of a team of professional and experienced coders and programmers. We retain all the knowledge customers might need when discovering the endless capabilities of computer language and programs. Contact us today to learn more about what goes into computer programming and how it can make a difference in your work life and more.