Git, Jira, Wicket, Gradle, Tableau Training Classes in Spokane, Washington
Learn Git, Jira, Wicket, Gradle, Tableau in Spokane, Washington 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 Git, Jira, Wicket, Gradle, Tableau related training offerings in Spokane, Washington: Git, Jira, Wicket, Gradle, Tableau Training
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8 November, 2024 - 8 November, 2024 - Introduction to Python 3.x
11 November, 2024 - 14 November, 2024 - RED HAT ENTERPRISE LINUX AUTOMATION WITH ANSIBLE
2 December, 2024 - 5 December, 2024 - Microsoft Azure AI Fundamentals (AI-900T00)
25 November, 2024 - 25 November, 2024 - RHCSA EXAM PREP
18 November, 2024 - 22 November, 2024 - See our complete public course listing
Blog Entries publications that: entertain, make you think, offer insight
In this tutorial we are going to take a look at how you work with strings in Python. Now, any language worth its salt will have a number of options for working with text and Python is probably one of the best to use when it comes to processing text.
If you are new to programming in general you may be wondering what a string is. In terms of programming, a string is classed as any sequence of characters you can type with your keyboard, and let’s face it, if you want your application to be of any use to yourself or other users then you need it to tell you what it’s doing or to prompt you for an action, and that is where strings come into play.
They are your applications way of communicating with the user. Without the ability to enter and display text or software would be pretty useless.
So, how would you create a string in Python? Take a look at the following code:
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:
In Python, we can create three types of methods in a class: instance or regular method, classmethod and staticmethod. Instance methods are associated, as the name infers, with an instance or object of the class and take self as the first parameter. Classmethods take a reference to the class, cls, as the first parameter of the class. Staticmethods, for the most part, are convenience methods that could be declared as functions since they really do not have much to do with the class itself. They were probably added at some time after the advent of Python in order to make the language more object oriented i.e. minimize the number of free floating functions.
Refer the our article static, class and regular methods in Python for a detailed explanation on this subject.
People are optimistic about problem solving, but in most cases this is easier said than done. How do you do it?
In Adobe’s 2016 global study on creativity in business, 96% of people identified creativity as essential to their success, both in terms of their income and the value they bring to the world. Moreover, 78% wished they were capable of thinking differently, believing that they would progress through their careers more quickly if they did.
According to Malcom Gladwell, the world's most successful people have one thing in common: they think differently from most everyone else. In his book, How Successful People Think, Malcom opens with the following: “Good thinkers are always in demand. A person who knows how may always have a job, but the person who knows why will always be his boss. Good thinkers solve problems, they never lack ideas that can build an organization, and they always have hope for a better future”
Too often we attribute creative and “different” thinking to natural, innate characteristics that belong only to the lucky. The truth is that you can study how ridiculously successful people think and incorporate their approach into your world.
Snippets and Quotes from Tech Innovators.
Tech Life in Washington
Company Name | City | Industry | Secondary Industry |
---|---|---|---|
Symetra Financial Corporation | Bellevue | Financial Services | Insurance and Risk Management |
Alaska Air Group, Inc. | Seattle | Travel, Recreation and Leisure | Passenger Airlines |
Expedia, Inc. | Bellevue | Travel, Recreation and Leisure | Travel Agents & Services |
Itron, Inc. | Liberty Lake | Computers and Electronics | Instruments and Controls |
PACCAR Inc. | Bellevue | Manufacturing | Automobiles, Boats and Motor Vehicles |
Puget Sound Energy Inc | Bellevue | Energy and Utilities | Gas and Electric Utilities |
Expeditors International of Washington, Inc. | Seattle | Transportation and Storage | Freight Hauling (Rail and Truck) |
Costco Wholesale Corporation | Issaquah | Retail | Grocery and Specialty Food Stores |
Starbucks Corporation | Seattle | Retail | Restaurants and Bars |
Nordstrom, Inc. | Seattle | Retail | Department Stores |
Weyerhaeuser Company | Federal Way | Manufacturing | Paper and Paper Products |
Microsoft Corporation | Redmond | Software and Internet | Software |
Amazon.com, Inc. | Seattle | Retail | Sporting Goods, Hobby, Book, and Music Stores |
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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 Washington 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 Git, Jira, Wicket, Gradle, Tableau programming
- Get your questions answered by easy to follow, organized Git, Jira, Wicket, Gradle, Tableau experts
- Get up to speed with vital Git, Jira, Wicket, Gradle, Tableau 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
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