Oracle, MySQL, Cassandra, Hadoop Database Training Classes in Clearwater, Florida
Learn Oracle, MySQL, Cassandra, Hadoop Database in Clearwater, Florida 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 Oracle, MySQL, Cassandra, Hadoop Database related training offerings in Clearwater, Florida: Oracle, MySQL, Cassandra, Hadoop Database Training
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9 June, 2025 - 13 June, 2025 - VMware vSphere 8.0 Skill Up
18 August, 2025 - 22 August, 2025 - DOCKER WITH KUBERNETES ADMINISTRATION
21 July, 2025 - 25 July, 2025 - LINUX SHELL SCRIPTING
30 June, 2025 - 1 July, 2025 - Object-Oriented Programming in C# Rev. 6.1
23 June, 2025 - 27 June, 2025 - See our complete public course listing
Blog Entries publications that: entertain, make you think, offer insight
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:
Every programming language has a mechanism to allow the programmer to create variables which hold custom data entered in by either the coder themselves or by the user of the application.
Regardless of whether you’re new to programming or not, you will have used variables and you should understand that in javascript they can hold any value such as a number or a string of text.
There is also another type of variable called an Array. Now, depending on who you talk to, some will say an array is actually an object, while others say it is a variable. Neither one is wrong but for the sake of simplicity we’ll refer to it as a variable.
Now, arrays are special because they can hold multiple values as opposed to standard variables which can only hold a single value at one time. If you can, try and imagine that your computer’s memory is made up of thousands of little boxes, and each of those boxes has an address which javascript will use to retrieve the array values when needed.
Back in the late 90's, there were a number of computer scienctists claiming to know java in hopes of landing a job for $80k+/year. In fact, I know a woman you did just that: land a project management position with a large telecom and have no experience whatsoever. I guess the company figured that some talent was better than no talent and that, with some time and training, she would be productive. Like all gravey train stories, that one, too, had an end. After only a year, she was given a pink slip.
Not only are those days over, job prospects for the IT professional have become considerably more demanding. Saying you know java today is like saying you know that you have expertise with the computer mouse; that's nice, but what else can you do. This demand can be attributed to an increase in global competition along with the introduction of a number of varied technologies. Take .NET, Python, Ruby, Spring, Hibernate ... as an example; most of them, along with many others, are the backbone of the IT infrastructure of most mid-to-large scale US corporations. Imagine the difficulty in finding the right mix of experience, knowledge and talent to support, maintain and devlop with such desparate technologies.
Well imagine no more. According to the IT Hiring Index and Skills Report, seventy percent of CIO’s said it's challenging to find skilled professionals today. If we add the rapid rate of technological innovation into the mix of factors affecting more businesses now than ever before, it’s understandable that the skill gap is widening. Consider this as well: the economic downturn has forced many potential retires to remain in the workforce. This is detailed in MetLife's annual Study of Employee Benefits which states that“more than one-third of surveyed Baby Boomers (35%) say that as a result of economic conditions they plan to postpone their retirement.” How then does the corporation hire new, more informed/better educated talent? Indeed, the IT skills gap is ever widening.
In order to compensate for these skill discrepencies, many firms have resorted to hire the ideal candidates by demanding they possess a christmas wish list of expertise in a variety of different IT disciplines. It would not be uncommon that such individuals have a strong programming background and are brilliant DBA's. What about training? That is certainly a way to diminish the skills gap.
The world of technology moves faster than the speed of light it seems. Devices are updated and software upgraded annually and sometimes more frequent than that. Society wants to be able to function and be as productive as they can be as well as be entertained “now”.
Software companies must be ready to meet the demands of their loyal customers while increasing their market share among new customers. These companies are always looking to the ingenuity and creativity of their colleagues to keep them in the consumer’s focus. But, who are these “colleagues”? Are they required to be young, twenty-somethings that are fresh out of college with a host of ideas and energy about software and hardware that the consumer may enjoy? Or can they be more mature with a little more experience in the working world and may know a bit more about the consumer’s needs and some knowledge of today’s devices?
Older candidates for IT positions face many challenges when competing with their younger counterparts. The primary challenge that most will face is the ability to prove their knowledge of current hardware and the development and application of software used by consumers. Candidates will have to prove that although they may be older, their knowledge and experience is very current. They will have to make more of an effort to show that they are on pace with the younger candidates.
Another challenge will be marketing what should be considered prized assets; maturity and work experience. More mature candidates bring along a history of work experience and a level of maturity that can be utilized as a resource for most companies. They are more experienced with time management, organization and communication skills as well as balancing home and work. They can quickly become role models for younger colleagues within the company.
Unfortunately, some mature candidates can be seen as a threat to existing leadership, especially if that leadership is younger. Younger members of a leadership team may be concerned that the older candidate may be able to move them out of their position. If the candidate has a considerably robust technological background this will be a special concern and could cause the candidate to lose the opportunity.
Demonstrating that their knowledge or training is current, marketing their experience and maturity, and not being seen as a threat to existing leadership make job hunting an even more daunting task for the mature candidate. There are often times that they are overlooked for positions for these very reasons. But, software companies who know what they need and how to utilize talent will not pass up the opportunity to hire these jewels.
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H-1B Visas, the Dance Between Large Corporations and the Local IT Professional
Is a period of free consulting an effective way to acquire new business with a potential client?
Tech Life in Florida
Company Name | City | Industry | Secondary Industry |
---|---|---|---|
Lender Processing Services, Inc. (LPS) | Jacksonville | Software and Internet | Data Analytics, Management and Storage |
World Fuel Services Corporation | Miami | Energy and Utilities | Gasoline and Oil Refineries |
SEACOR Holdings Inc. | Fort Lauderdale | Transportation and Storage | Marine and Inland Shipping |
MasTec, Inc. | Miami | Business Services | Security Services |
Health Management Associates, Inc. | Naples | Healthcare, Pharmaceuticals and Biotech | Hospitals |
B/E Aerospace, Inc. | Wellington | Manufacturing | Aerospace and Defense |
Roper Industries, Inc. | Sarasota | Manufacturing | Manufacturing Other |
AutoNation | Fort Lauderdale | Retail | Automobile Dealers |
Watsco, Inc. | Miami | Wholesale and Distribution | Wholesale and Distribution Other |
SFN Group | Fort Lauderdale | Business Services | HR and Recruiting Services |
Tupperware Corporation | Orlando | Manufacturing | Plastics and Rubber Manufacturing |
AirTran Holdings, Inc. | Orlando | Travel, Recreation and Leisure | Passenger Airlines |
WellCare Health Plans, Inc. | Tampa | Healthcare, Pharmaceuticals and Biotech | Healthcare, Pharmaceuticals, and Biotech Other |
Lennar Corporation | Miami | Real Estate and Construction | Real Estate Agents and Appraisers |
HSN, Inc. | Saint Petersburg | Retail | Retail Other |
Certegy | Saint Petersburg | Business Services | Business Services Other |
Raymond James Financial, Inc. | Saint Petersburg | Financial Services | Trust, Fiduciary, and Custody Activities |
Winn-Dixie Stores, Inc. | Jacksonville | Retail | Grocery and Specialty Food Stores |
Jabil Circuit, Inc. | Saint Petersburg | Computers and Electronics | Semiconductor and Microchip Manufacturing |
CSX Corporation | Jacksonville | Transportation and Storage | Freight Hauling (Rail and Truck) |
Fidelity National Financial, Inc. | Jacksonville | Financial Services | Insurance and Risk Management |
Tech Data Corporation | Clearwater | Consumer Services | Automotive Repair & Maintenance |
TECO Energy, Inc. | Tampa | Manufacturing | Chemicals and Petrochemicals |
Lincare Holdings Inc | Clearwater | Healthcare, Pharmaceuticals and Biotech | Medical Supplies and Equipment |
Chico's FAS Inc. | Fort Myers | Retail | Clothing and Shoes Stores |
Burger King Corporation LLC | Miami | Retail | Restaurants and Bars |
Publix Super Markets, Inc. | Lakeland | Retail | Grocery and Specialty Food Stores |
Florida Power and Light Company | Juno Beach | Energy and Utilities | Gas and Electric Utilities |
Ryder System, Inc. | Miami | Transportation and Storage | Freight Hauling (Rail and Truck) |
Citrix Systems, Inc. | Fort Lauderdale | Software and Internet | Software and Internet Other |
Harris Corporation | Melbourne | Telecommunications | Wireless and Mobile |
Office Depot, Inc. | Boca Raton | Computers and Electronics | Audio, Video and Photography |
Landstar System, Inc. | Jacksonville | Transportation and Storage | Freight Hauling (Rail and Truck) |
Darden Restaurants, Inc. | Orlando | Retail | Restaurants and Bars |
PSS World Medical, Inc. | Jacksonville | Healthcare, Pharmaceuticals and Biotech | Medical Supplies and Equipment |
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 Florida 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 Oracle, MySQL, Cassandra, Hadoop Database programming
- Get your questions answered by easy to follow, organized Oracle, MySQL, Cassandra, Hadoop Database experts
- Get up to speed with vital Oracle, MySQL, Cassandra, Hadoop Database 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…