Microsoft Windows Server Training Classes in Norwalk, Connecticut
Learn Microsoft Windows Server in Norwalk, Connecticut 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 Windows Server related training offerings in Norwalk, Connecticut: Microsoft Windows Server Training
Microsoft Windows Server Training Catalog
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10 June, 2024 - 14 June, 2024 - ASP.NET Core MVC, Rev. 6.0
19 August, 2024 - 20 August, 2024 - OpenShift Fundamentals
24 June, 2024 - 26 June, 2024 - Fast Track to Java 17 and OO Development
12 August, 2024 - 16 August, 2024 - Introduction to Python 3.x
29 April, 2024 - 2 May, 2024 - See our complete public course listing
Blog Entries publications that: entertain, make you think, offer insight
Before we go to the list do you know what makes software skills most sought-after and hence more valuable than most of the other job skills? It is simply because unlike any other skill, software skills are global and are not at all location specific! With the evolution and penetration of internet technologies, the physical distance between the client and service provider hardly matters. So, with more advancement in technology, it is indeed going to rain opportunities on the right skilled developer. I’ll take the liberty to reproduce the following quotes here to prove my claims statistically:
Demand for “cloud-ready” IT workers will grow by 26 percent annually through 2015, with as many as 7 million cloud-related jobs available worldwide.
---IDC White Paper (November 2012).
In the United States, the IT sector is experiencing modest growth of IT jobs in general, with the average growth in IT employment between 1.1 and 2.7 percent per year through 2020.
---U.S. Bureau of Labor Statistics.
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 */
Last year, Hewlett-Packard purchased Autonomy for $10 billion, enduring a number of arrows from its competitor Oracle. What a difference a year is!
Since the purchase HP saw the leaving of Autonomy CEO Mike Lynch, which was not on friendly terms. It also saw the departure of the whole original management team and 20 percent of the staff. Now, the question is whether or not HP will see its move compensate or become another WebOS-style fiasco, marking the company needs to stay with hardware.
In programming, memory leaks are a common issue, and it occurs when a computer uses memory but does not give it back to the operating system. Experienced programmers have the ability to diagnose a leak based on the symptoms. Some believe every undesired increase in memory usage is a memory leak, but this is not an accurate representation of a leak. Certain leaks only run for a short time and are virtually undetectable.
Memory Leak Consequences
Applications that suffer severe memory leaks will eventually exceed the memory resulting in a severe slowdown or a termination of the application.
How to Protect Code from Memory Leaks?
Preventing memory leaks in the first place is more convenient than trying to locate the leak later. To do this, you can use defensive programming techniques such as smart pointers for C++. A smart pointer is safer than a raw pointer because it provides augmented behavior that raw pointers do not have. This includes garbage collection and checking for nulls.
If you are going to use a raw pointer, avoid operations that are dangerous for specific contexts. This means pointer arithmetic and pointer copying. Smart pointers use a reference count for the object being referred to. Once the reference count reaches zero, the excess goes into garbage collection. The most commonly used smart pointer is shared_ptr from the TR1 extensions of the C++ standard library.
Static Analysis
The second approach to memory leaks is referred to as static analysis and attempts to detect errors in your source-code. CodeSonar is one of the effective tools for detection. It provides checkers for the Power of Ten coding rules, and it is especially competent at procedural analysis. However, some might find it lagging for bigger code bases.
How to Handle a Memory Leak
For some memory leaks, the only solution is to read through the code to find and correct the error. Another one of the common approaches to C++ is to use RAII, which an acronym for Resource Acquisition Is Initialization. This approach means associating scoped objects using the acquired resources, which automatically releases the resources when the objects are no longer within scope. RAII has the advantage of knowing when objects exist and when they do not. This gives it a distinct advantage over garbage collection. Regardless, RAII is not always recommended because some situations require ordinary pointers to manage raw memory and increase performance. Use it with caution.
The Most Serious Leaks
Urgency of a leak depends on the situation, and where the leak has occurred in the operating system. Additionally, it becomes more urgent if the leak occurs where the memory is limited such as in embedded systems and portable devices.
To protect code from memory leaks, people have to stay vigilant and avoid codes that could result in a leak. Memory leaks continue until someone turns the system off, which makes the memory available again, but the slow process of a leak can eventually prejudice a machine that normally runs correctly.
Related:
Tech Life in Connecticut
Company Name | City | Industry | Secondary Industry |
---|---|---|---|
Stanley Black and Decker, Inc. | New Britain | Manufacturing | Tools, Hardware and Light Machinery |
EMCOR Group, Inc. | Norwalk | Energy and Utilities | Energy and Utilities Other |
The Hartford Financial Services Group Inc. | Hartford | Financial Services | Insurance and Risk Management |
Crane Co. | Stamford | Manufacturing | Tools, Hardware and Light Machinery |
Cenveo. Inc. | Stamford | Business Services | Business Services Other |
Amphenol Corporation | Wallingford | Computers and Electronics | Semiconductor and Microchip Manufacturing |
W. R. Berkley Corporation | Greenwich | Financial Services | Insurance and Risk Management |
Silgan Holdings Inc. | Stamford | Manufacturing | Manufacturing Other |
Hubbell Incorporated | Shelton | Manufacturing | Concrete, Glass, and Building Materials |
IMS Health Incorporated | Danbury | Business Services | Management Consulting |
CIGNA Corporation | Hartford | Financial Services | Insurance and Risk Management |
Chemtura Corp. | Middlebury | Manufacturing | Chemicals and Petrochemicals |
Harman International Industries, Inc | Stamford | Computers and Electronics | Audio, Video and Photography |
United Rentals, Inc. | Greenwich | Real Estate and Construction | Construction Equipment and Supplies |
The Phoenix Companies, Inc. | Hartford | Financial Services | Investment Banking and Venture Capital |
Magellan Health Services, Inc. | Avon | Healthcare, Pharmaceuticals and Biotech | Healthcare, Pharmaceuticals, and Biotech Other |
Terex Corporation | Westport | Manufacturing | Heavy Machinery |
Praxair, Inc. | Danbury | Manufacturing | Chemicals and Petrochemicals |
Knights of Columbus | New Haven | Non-Profit | Social and Membership Organizations |
Xerox Corporation | Norwalk | Computers and Electronics | Office Machinery and Equipment |
Starwood Hotels and Resorts Worldwide, Inc. | Stamford | Travel, Recreation and Leisure | Hotels, Motels and Lodging |
United Technologies Corporation | Hartford | Manufacturing | Aerospace and Defense |
General Electric Company | Fairfield | Computers and Electronics | Consumer Electronics, Parts and Repair |
Pitney Bowes, Inc. | Stamford | Manufacturing | Tools, Hardware and Light Machinery |
Charter Communications, Inc. | Stamford | Telecommunications | Cable Television Providers |
Aetna Inc. | Hartford | Financial Services | Insurance and Risk Management |
Priceline.com | Norwalk | Travel, Recreation and Leisure | Travel, Recreation, and Leisure Other |
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 Connecticut 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 Windows Server programming
- Get your questions answered by easy to follow, organized Microsoft Windows Server experts
- Get up to speed with vital Microsoft Windows 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…