Microsoft SQL Server Training Classes in Milwaukee, Wisconsin
Learn Microsoft SQL Server in Milwaukee, Wisconsin 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 Microsoft SQL Server related training offerings in Milwaukee, Wisconsin: Microsoft SQL Server Training
Microsoft SQL Server Training Catalog
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21 April, 2025 - 25 April, 2025 - Enterprise Linux System Administration
28 July, 2025 - 1 August, 2025 - RED HAT ENTERPRISE LINUX SYSTEMS ADMIN I
19 May, 2025 - 23 May, 2025 - OpenShift Fundamentals
28 April, 2025 - 30 April, 2025 - Linux Fundaments GL120
2 June, 2025 - 6 June, 2025 - See our complete public course listing
Blog Entries publications that: entertain, make you think, offer insight
I will begin our blog on Java Tutorial with an incredibly important aspect of java development: memory management. The importance of this topic should not be minimized as an application's performance and footprint size are at stake.
From the outset, the Java Virtual Machine (JVM) manages memory via a mechanism known as Garbage Collection (GC). The Garbage collector
- Manages the heap memory. All obects are stored on the heap; therefore, all objects are managed. The keyword, new, allocates the requisite memory to instantiate an object and places the newly allocated memory on the heap. This object is marked as live until it is no longer being reference.
- Deallocates or reclaims those objects that are no longer being referened.
- Traditionally, employs a Mark and Sweep algorithm. In the mark phase, the collector identifies which objects are still alive. The sweep phase identifies objects that are no longer alive.
- Deallocates the memory of objects that are not marked as live.
- Is automatically run by the JVM and not explicitely called by the Java developer. Unlike languages such as C++, the Java developer has no explict control over memory management.
- Does not manage the stack. Local primitive types and local object references are not managed by the GC.
So if the Java developer has no control over memory management, why even worry about the GC? It turns out that memory management is an integral part of an application's performance, all things being equal. The more memory that is required for the application to run, the greater the likelihood that computational efficiency suffers. To that end, the developer has to take into account the amount of memory being allocated when writing code. This translates into the amount of heap memory being consumed.
Memory is split into two types: stack and heap. Stack memory is memory set aside for a thread of execution e.g. a function. When a function is called, a block of memory is reserved for those variables local to the function, provided that they are either a type of Java primitive or an object reference. Upon runtime completion of the function call, the reserved memory block is now available for the next thread of execution. Heap memory, on the otherhand, is dynamically allocated. That is, there is no set pattern for allocating or deallocating this memory. Therefore, keeping track or managing this type of memory is a complicated process. In Java, such memory is allocated when instantiating an object:
String s = new String(); // new operator being employed String m = "A String"; /* object instantiated by the JVM and then being set to a value. The JVM calls the new operator */
It is hard not to wonder how current technology would have altered the events surrounding the tragic death of John F. Kennedy. On the afternoon of November 22, 1963, shots rang out in Dallas, TX, taking the life of JFK, one of the most beloved Americans. Given the same circumstances today, surely the advances in IT alone, would have drastically changed the outcome of that horrible day. Would the government have recognized that there was a viable threat looming over JFK? Would local and government agencies have been more prepared for a possible assassination attempt? Would the assortment of everyday communication devices assisted in the prevention of the assassination, not to mention, provided greater resources into the investigation? With all that the IT world has to offer today, how would it have altered the JFK tragedy?
As many conspiracy theories have rocked the foundation of the official story presented by government agencies, realization of the expansive nature of technology provides equal consideration as to how the event would have been changed had this technology been available during the time of the shooting. There were T.V. cameras, home 8mm recorders, even single shot-hand held cameras snapping away as the car caravan approached. Yet, there remains little documentation of the shooting and even less information pertaining to the precautions taken by officials prior to JFK's arrival. Theorists consider these possibilities along with how the world would have turned out had the great John F. Kennedynever been assassinated on that day.
Viruses, trojans, and other malicious programs are everywhere. There's always a new threat to your computer's security, and many of these threats invade your computer without you even knowing. Most viruses aren't going to loudly announce themselves, so it's important to know the hidden ways in which your computer can become infected.
Infected Files from Other Computers
Whether you're borrowing someone's flash drive or grabbing a file from their computer, your computer can become infected if the file or device you're using already contains a virus, trojan, or other form of malware.
This is a very common issue, and you won't even know there's a problem most of the time. For example, if your computer is connected to other devices on a network, and you decide to pull an important file off of another computer on the network, your computer will become infected if the file you took has a virus attached to it.
Also, if you forgot your flash drive, and you need to use your friend or coworker's device for the day, then even plugging the device into your computer can cause the infection in the flash drive to be transmitted.
Downloading Legitimate Programs
Another way your computer can be secretly infected is when you download a legitimate program and run it. There are numerous legitimate programs on the internet that can help you in many ways. The programs themselves could be infected, though.
Also, one of the most common ways your computer can become infected is when you don't read the fine print before you download a program. Some of them may insist that you install another small program in addition to the one you initially chose. The boxes that you are supposed to click to give your consent may already be clicked.
This small extra program is the one that may carry an infection that will spread to your computer when you run the main program. You may get a lot of good use out of the legitimate program, but the virus attached to the extra hidden program can cause you a lot of trouble.
Using Vulnerable Applications
Security is a serious matter. If even one of the applications you use on your computer is vulnerable to becoming hacked or infected, then your entire computer is at risk and could become secretly infected. Anything from PDF viewing applications to your operating system can become infected if you don't download the latest security patches and keep everything up-to-date.
Not Using Antivirus Software
Antivirus software can protect your computer from a number of viruses, trojans, and other problems. Your computer can become infected in a number of ways, so you need to have good antivirus software to provide strong protection from hidden attacks.
Viruses, trojans, and other malware can infect your computer in a variety of hidden ways. To prevent infection and problems, you need to be careful about what you download, and you should keep your applications secure. Also, find reliable antivirus software to help.
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Tech Life in Wisconsin
Company Name | City | Industry | Secondary Industry |
---|---|---|---|
We Energies | Milwaukee | Energy and Utilities | Gas and Electric Utilities |
Bemis Company, Inc. | Neenah | Manufacturing | Plastics and Rubber Manufacturing |
Regal Beloit Corporation | Beloit | Manufacturing | Tools, Hardware and Light Machinery |
Manitowoc Company, Inc | Manitowoc | Manufacturing | Heavy Machinery |
Briggs and Stratton Corporation | Milwaukee | Manufacturing | Tools, Hardware and Light Machinery |
Mortgage Guaranty Insurance Corporation (MGIC) | Milwaukee | Financial Services | Lending and Mortgage |
A.O. Smith Corporation | Milwaukee | Manufacturing | Tools, Hardware and Light Machinery |
Sentry Insurance | Stevens Point | Financial Services | Insurance and Risk Management |
Rockwell Automation, Inc. | Milwaukee | Manufacturing | Tools, Hardware and Light Machinery |
Bucyrus International, Inc. | South Milwaukee | Manufacturing | Heavy Machinery |
Diversey, Inc. | Sturtevant | Manufacturing | Chemicals and Petrochemicals |
Alliant Energy Corporation | Madison | Energy and Utilities | Gas and Electric Utilities |
Plexus Corp. | Neenah | Manufacturing | Manufacturing Other |
Spectrum Brands Holdings, Inc. | Madison | Manufacturing | Tools, Hardware and Light Machinery |
Kohl's Corporation | Menomonee Falls | Retail | Department Stores |
Snap-on Tools, Inc. | Kenosha | Manufacturing | Tools, Hardware and Light Machinery |
Fiserv, Inc. | Brookfield | Software and Internet | Data Analytics, Management and Storage |
CUNA Mutual Group | Madison | Financial Services | Insurance and Risk Management |
Oshkosh Corporation | Oshkosh | Manufacturing | Heavy Machinery |
Modine Manufacturing Company | Racine | Manufacturing | Manufacturing Other |
Northwestern Mutual Life Insurance Company | Milwaukee | Financial Services | Insurance and Risk Management |
Joy Global Inc. | Milwaukee | Manufacturing | Heavy Machinery |
Harley-Davidson, Inc. | Milwaukee | Manufacturing | Automobiles, Boats and Motor Vehicles |
American Family Insurance | Madison | Financial Services | Insurance and Risk Management |
Johnson Controls, Inc. | Milwaukee | Manufacturing | Heavy Machinery |
ManpowerGroup | Milwaukee | Business Services | HR and Recruiting Services |
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 Wisconsin 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 Microsoft SQL Server programming
- Get your questions answered by easy to follow, organized Microsoft SQL Server experts
- Get up to speed with vital Microsoft SQL Server 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…