Security Training Classes in Lancaster, Pennsylvania
Learn Security in Lancaster, Pennsylvania and surrounding areas via our hands-on, expert led courses. All of our classes either are offered on an onsite, online or public instructor led basis. Here is a list of our current Security related training offerings in Lancaster, Pennsylvania: Security Training
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- Introduction to Spring 6, Spring Boot 3, and Spring REST
15 December, 2025 - 19 December, 2025 - Python for Scientists
8 December, 2025 - 12 December, 2025 - RED HAT ENTERPRISE LINUX SYSTEMS ADMIN II
8 December, 2025 - 11 December, 2025 - ASP.NET Core MVC (VS2022)
24 November, 2025 - 25 November, 2025 - Fast Track to Java 17 and OO Development
8 December, 2025 - 12 December, 2025 - See our complete public course listing
Blog Entries publications that: entertain, make you think, offer insight
Not too long ago, Apple added something phenomenal to the iPhone OS: a dashboard screen. If you have a Macintosh computer, you may be familiar with the dashboard that is available (regularly) by pressing F4. Otherwise, you can draw similarities to your Windows 7 Dashboard on the right hand side of your desktop, that shows you updates on your applications and widgets you add to it. Finding your dashboard on your iPhone is just as easy: just put your finger on the top of your iPhone screen, and drag down.
Here, in your dashboard, you will see all of the updates that has been pushed into such by your applications that desire to send you messages: things like new text messages, new updates to your subscribed magazines, your messages on payment applications. If you have reviewed a message set by an application by tapping on it, that message will automatically become deleted. However, if you don’t desire to go into the application to delete it, simply tap in the top right on the bar that categorizes that particular application, and tap again to clear all of the messages set by that application, and clear up your dashboard.
But, your dashboard isn’t all about your application. You not only get your messages, but you get important information set by default applications, such as the weather. If you don’t feel like scouting out your weather application amidst all your applications you have downloaded, simply go into your dashboard, and find out the forecast for the whole week, just by a simple swipe. Not only that, tickers for your stocks are displayed near the bottom of the dashboard.

Recently, I asked my friend, Ray, to list those he believes are the top 10 most forward thinkers in the IT industry. Below is the list he generated.
Like most smart people, Ray gets his information from institutions such as the New York Times, the Wall Street Journal, the Huffington Post, Ted Talks ... Ray is not an IT expert; he is, however, a marketer: the type that has an opinion on everything and is all too willing to share it. Unfortunately, many of his opinions are based upon the writings/editorials of those attempting to appeal to the reading level of an 8th grader. I suppose it could be worse. He could be referencing Yahoo News, where important stories get priority placement such as when the voluptuous Kate Upton holds a computer close to her breasts.
Before you read further, note that missing from this list and not credited are innovators: Bill Joy, Dennis Ritchie, Linus Torvalds, Alan Turing, Edward Howard Armstrong, Peter Andreas Grunberg and Albert Fent, Gottfried Wilhelm Leibniz/Hermann Grassmann ... You know the type: the type of individual who burns the midnight oil and rarely, if ever, guffaws over their discoveries or achievements.
Memory management is always a priority in pretty much any programming language you would want to use. In the lower level languages such as C, there are a number of functions which help you manage the memory your application uses, but they are not the easiest to use. Some of the more modern programming languages such as Python, Ruby, Perl, and of course the subject of this article, Javascript all have a built in feature called garbage collection.
Garbage collection essentially means that the languages compiler will automatically free the memory being occupied by unused variables and objects, but there is no telling when this could occur. It is purely down to the compiler to decide when the garbage collection process should be initiated.
Straight up and full disclosure. I'm prejudiced. As a research assignment, the heading is a joke. I'll give you the answer in two words, and then tell you why.
How does HTML 5 compare with flash? Answer: it doesn't.
Lest you think I dislike Adobe's Flash, let's put the cards on the table. I loved Flash. Long before Adobe was Adobe, they had a competitor called Macromedia. Adobe bought that firm. That made my life simpler. I only had to work with one vendor.
Flash was a pretty compelling solution. I used it to mimic operations in Windows to prepare people for the CompTIA exams. The only bugaboo was that dang right-click stuff. A little bit of code from the Microsoft Visual Studio .Net let me flip the left and right mouse buttons so that the right mouse button instead of controlling the Flash player, emulated doing a right-click in the Windows operating system.
Tech Life in Pennsylvania
| Company Name | City | Industry | Secondary Industry |
|---|---|---|---|
| The Hershey Company | Hershey | Manufacturing | Food and Dairy Product Manufacturing and Packaging |
| Crown Holdings, Inc. | Philadelphia | Manufacturing | Metals Manufacturing |
| Air Products and Chemicals, Inc. | Allentown | Manufacturing | Chemicals and Petrochemicals |
| Dick's Sporting Goods Inc | Coraopolis | Retail | Sporting Goods, Hobby, Book, and Music Stores |
| Mylan Inc. | Canonsburg | Healthcare, Pharmaceuticals and Biotech | Pharmaceuticals |
| UGI Corporation | King Of Prussia | Energy and Utilities | Gas and Electric Utilities |
| Aramark Corporation | Philadelphia | Business Services | Business Services Other |
| United States Steel Corporation | Pittsburgh | Manufacturing | Manufacturing Other |
| Comcast Corporation | Philadelphia | Telecommunications | Cable Television Providers |
| PPL Corporation | Allentown | Energy and Utilities | Gas and Electric Utilities |
| SunGard | Wayne | Computers and Electronics | IT and Network Services and Support |
| WESCO Distribution, Inc. | Pittsburgh | Energy and Utilities | Energy and Utilities Other |
| PPG Industries, Inc. | Pittsburgh | Manufacturing | Chemicals and Petrochemicals |
| Airgas Inc | Radnor | Manufacturing | Chemicals and Petrochemicals |
| Rite Aid Corporation | Camp Hill | Retail | Grocery and Specialty Food Stores |
| The PNC Financial Services Group | Pittsburgh | Financial Services | Banks |
| Universal Health Services, Inc. | King Of Prussia | Healthcare, Pharmaceuticals and Biotech | Hospitals |
| Erie Insurance Group | Erie | Financial Services | Insurance and Risk Management |
| Pierrel Research | Wayne | Healthcare, Pharmaceuticals and Biotech | Biotechnology |
| Unisys Corporation | Blue Bell | Computers and Electronics | IT and Network Services and Support |
| Lincoln Financial Group | Radnor | Financial Services | Insurance and Risk Management |
| AmerisourceBergen | Wayne | Healthcare, Pharmaceuticals and Biotech | Pharmaceuticals |
| Sunoco, Inc. | Philadelphia | Manufacturing | Chemicals and Petrochemicals |
| CONSOL Energy Inc. | Canonsburg | Energy and Utilities | Gas and Electric Utilities |
| H. J. Heinz Company | Pittsburgh | Manufacturing | Food and Dairy Product Manufacturing and Packaging |
training details locations, tags and why hsg
The Hartmann Software Group understands these issues and addresses them and others during any training engagement. Although no IT educational institution can guarantee career or application development success, HSG can get you closer to your goals at a far faster rate than self paced learning and, arguably, than the competition. Here are the reasons why we are so successful at teaching:
- Learn from the experts.
- We have provided software development and other IT related training to many major corporations in Pennsylvania since 2002.
- Our educators have years of consulting and training experience; moreover, we require each trainer to have cross-discipline expertise i.e. be Java and .NET experts so that you get a broad understanding of how industry wide experts work and think.
- Discover tips and tricks about Security programming
- Get your questions answered by easy to follow, organized Security experts
- Get up to speed with vital Security programming tools
- Save on travel expenses by learning right from your desk or home office. Enroll in an online instructor led class. Nearly all of our classes are offered in this way.
- Prepare to hit the ground running for a new job or a new position
- See the big picture and have the instructor fill in the gaps
- We teach with sophisticated learning tools and provide excellent supporting course material
- Books and course material are provided in advance
- Get a book of your choice from the HSG Store as a gift from us when you register for a class
- Gain a lot of practical skills in a short amount of time
- We teach what we know…software
- We care…














