226 Debugging courses

Duration 5 Days 30 CPD hours This course is intended for This course is intended for anyone who is new to software development and wants, or needs, to gain an understanding of programming fundamentals and object-oriented programming concepts. They will typically be high school students, post-secondary school students, or career changers, with no prior programming experience. They might want to gain an understanding of the core programming fundamentals before moving on to more advanced courses such as Programming in C#. Overview Explain core programming fundamentals such as computer storage and processing. Explain computer number systems such as binary. Create and use variables and constants in programs. Explain how to create and use functions in a program. Create and use decisions structures in a computer program. Create and use repetition (loops) in a computer program. Explain pseudocode and its role in programming. Explain the basic computer data structures such as arrays, lists, stacks, and queues. Implement object-oriented programming concepts. Create and use classes in a computer program. Implement encapsulation, inheritance, and polymorphism. Describe the base class library (BCL) in the .NET Framework. Explain the application security concepts. Implement simple I/O in a computer program. Identify application errors and explain how to debug an application and handle errors. Identify the performance considerations for applications. In this 5-day course, students will learn the basics of computer programming through the use of Microsoft Visual Studio 2022 and the Visual C# and Visual Basic programming languages. The course assumes no prior programming experience and introduces the concepts needed to progress to the intermediate courses on programming, Programming in C#. The focus will be on core programming concepts such as computer storage, data types, decision structures, and repetition by using loops. The course also covers an introduction to object-oriented programming covering classes, encapsulation, inheritance, and polymorphism. Coverage is also included around exception handling, application security, performance, and memory management. 1 - INTRODUCTION TO CORE PROGRAMMING CONCEPTS * Computer Data Storage and Processing * Application Types * Application Lifecycle * Code Compilation 2 - CORE PROGRAMMING LANGUAGE CONCEPTS * Syntax * Data Types * Variables and Constants 3 - PROGRAM FLOW * Introduction to Structured Programming Concepts * Introduction to Branching * Using Functions * Using Decision Structures * Introducing Repetition 4 - ALGORITHMS AND DATA STRUCTURES * Understand How to Write Pseudocode * Algorithm Examples * Introduction to Data Structures 5 - ERROR HANDLING AND DEBUGGING * Introduction to Program Errors * Introduction to Structured Error Handling * Introduction to Debugging 6 - INTRODUCTION TO OBJECT-ORIENTED PROGRAMMING * Introduction to Complex Structures * Introduction to Structs * Introduction to Classes * Introducing Encapsulation 7 - MORE OBJECT-ORIENTED PROGRAMMING * Introduction to Inheritance * Introduction to Polymorphism * Introduction to .NET and the Base Class Library 8 - INTRODUCTION TO APPLICATION SECURITY * Authentication and Authorization * Code Permissions on Computers * Introducing Code Signing 9 - CORE I/O PROGRAMMING * Using Console I/O * Using File I/O 10 - APPLICATION PERFORMANCE AND MEMORY MANAGEMENT * Value Types vs Reference Types * Converting Types * The Garbage Collector ADDITIONAL COURSE DETAILS: Nexus Humans 55337 Introduction to Programming training program is a workshop that presents an invigorating mix of sessions, lessons, and masterclasses meticulously crafted to propel your learning expedition forward. This immersive bootcamp-style experience boasts interactive lectures, hands-on labs, and collaborative hackathons, all strategically designed to fortify fundamental concepts. Guided by seasoned coaches, each session offers priceless insights and practical skills crucial for honing your expertise. Whether you're stepping into the realm of professional skills or a seasoned professional, this comprehensive course ensures you're equipped with the knowledge and prowess necessary for success. While we feel this is the best course for the 55337 Introduction to Programming course and one of our Top 10 we encourage you to read the course outline to make sure it is the right content for you. Additionally, private sessions, closed classes or dedicated events are available both live online and at our training centres in Dublin and London, as well as at your offices anywhere in the UK, Ireland or across EMEA.

Duration 3 Days 18 CPD hours This course is intended for This course is intended for IT professionals who are experienced in general Windows Server and Windows Client administration. Students should have a foundational knowledge of Windows PowerShell, which they can obtain by taking course 10961C: Automating Administration with Windows PowerShell. In addition, this course provides scripting guidance for Microsoft Azure administrators and developers who support development environments and deployment processes. Overview After completing this course, you will be able to: Create advanced functions. Use Microsoft .NET Framework and REST API in Windows PowerShell. Handle script errors. Use XML, JSON, and custom formatted data. Manage Microsoft Azure resources Analyze and debug scripts Understand Windows PowerShell workflow. This course teaches students how to automate administrative tasks using PowerShell. Students will learn crucial scripting skills such as creating advanced functions, writing controller scripts, and handling script errors. Candidates will learn how to use PowerShell when working with Microsoft Azure, SQL Server, Active Directory, IIS, Windows PowerShell Workflow, .NET resources, the REST API and XML, CSV & JSON formatted data files.This course replaces retired Microsoft course 10962. MODULE 1: CREATING ADVANCED FUNCTIONS * Lesson 1: Converting a command into an advanced function * Lesson 2: Creating a script module * Lesson 3: Defining parameter attributes and input validation * Lesson 4: Writing functions that accept pipeline input * Lesson 5: Producing complex pipeline output * Lesson 6: Using comment-based Help * Lesson 7: Using Whatif and Confirm parameters MODULE 2: USING MICROSOFT .NET FRAMEWORK AND REST API IN WINDOWS POWERSHELL * Lesson 1: Using .NET Framework in PowerShell * Lesson 2: Using REST API in PowerShell MODULE 3: WRITING CONTROLLER SCRIPTS * Lesson 1: Understanding controller scripts * Lesson 2: Writing controller scripts with a user interface * Lesson 3: Writing controller scripts that create reports MODULE 4: HANDLING SCRIPT ERRORS * Lesson 1: Understanding error handling * Lesson 2: Handling errors in a script MODULE 5: USING XML, JSON, AND CUSTOM-FORMATTED DATA * Lesson 1: Working with XML formatted data * Lesson 2: Working with JSON formatted data * Lesson 3: Working with custom-formatted data MODULE 6: ENHANCING SERVER MANAGEMENT WITH DESIRED STATE CONFIGURATION AND JUST ENOUGH ADMINISTRATION * Lesson 1: Implementing Desired State Configuration * Lesson 2: Implementing Just Enough Administration MODULE 7: ANALYZING AND DEBUGGING SCRIPTS * Lesson 1: Debugging in Windows PowerShell * Lesson 2: Analyzing and debugging an existing script MODULE 8: UNDERSTANDING WINDOWS POWERSHELL WORKFLOW * Lesson 1: Understanding Windows PowerShell Workflows * Lesson 2: Running Windows PowerShell Workflows

COMPLETE VISUAL BASIC TRAINING COURSE DESCRIPTION A hands-on introduction to programming in Visual BASIC V6. WHAT WILL YOU LEARN * Build Visual BASIC applications. * Build simple components. * Debug Visual BASIC programs. * Examine existing code and determine its function. COMPLETE VISUAL BASIC TRAINING COURSE DETAILS * Who will benefit: Anyone wishing to program in Visual BASIC. * Prerequisites: None although experience in another high level language would be useful. * Duration 5 days COMPLETE VISUAL BASIC TRAINING COURSE CONTENTS * Application development using VB VB features. VB editions, VB terminology. Working in the Development Environment. Event-Driven Programming. Creating a program in VB. Project and executable files. VB reference materials. * Visual Basic fundamentals Objects. Controlling objects. Introduction to forms. Introduction to controls. Basic controls. * Working with code and forms Modules. Working with code. Interacting with the user. Working with code statements. Managing forms. * Variables and procedures Introduction to variables and constants. Working with Procedures and Functions. * Controlling program execution Common VB functions. Comparison and relational operators. Conditional structures. Looping structures. * Debugging Error types. Debugging logic errors in VB. * Working with controls Control types. Standard controls. Advanced standard controls. ActiveX controls. Insertable controls. * Data access using the ADO data control Overview of ActiveX Data Objects. VB data access features. Relational database concepts. Using the ADO data Control to access data. SQL. Manipulating data. Using the data form wizard. * Input validation Field-Level validation. The masked edit control. Form-Level validation. Form events used when validating data. * Error trapping Trapping run time errors. Error handling overview. Enabling an error trap. Errors and the calling chain. In line error handling. * Enhancing the User Interface Menus. Status bars. Toolbars. * Drag and Drop Overview of Drag and Drop. Mouse events Drag and Drop basics. * More about controls Using control arrays. Using the controls collection. Working with object variables. Collections. * Finishing touches User Interface design principles. Distributing an application. Creating a default project.

This course will help you to learn the basic concepts of Python programming. From understanding variables to functions and debugging the programs to exception handling, you will master it all with the help of engaging exercises and projects.

Duration 5 Days 30 CPD hours This course is intended for This course is intended for professional web developers who use Microsoft Visual Studio in an individual-based or team-based, small-sized to large development environment. Candidates for this course are interested in developing advanced web applications and want to manage the rendered HTML comprehensively. They want to create websites that separate the user interface, data access, and application logic. Overview Describe the Microsoft Web Technologies stack and select an appropriate technology to use to develop any given application. Design the architecture and implementation of a web application that will meet a set of functional requirements, user interface requirements, and address business models. Configure the pipeline of ASP.NET Core web applications using middleware, and leverage dependency injection across applications. Develop a web application that uses the ASP.NET Core routing engine to present friendly URLs and a logical navigation hierarchy to users. Create Views in an application that display and edit data and interact with Models and Controllers. Connect an ASP.NET Core application to a database using Entity Framework Core. Implement a consistent look and feel across an entire web application. Write JavaScript code that runs on the client-side and utilizes the jQuery script library to optimize the responsiveness of an web application. Add client side packages and configure Task Runners. Run unit tests and debugging tools against a web application in Visual Studio 2022. Write an application that authenticates and authorizes users to access content securely using Identity. Build an application that resists malicious attacks. Use caching to accelerate responses to user requests. Use SignalR to enable two-way communication between client and server. Describe what a Web API is and why developers might add a Web API to an application. Describe how to package and deploy an ASP.NET Core web application from a development computer to a web server. In this 5-day course, professional web developers will learn to develop advanced ASP.NET Core applications using .NET tools and technologies. The focus will be on coding activities that enhance the performance and scalability of the Web site application. MODULE 1: EXPLORING ASP.NET CORE * Introducing of Microsoft Web Technologies * Getting Started with Razor Pages in ASP.NET Core * Introducing ASP.NET Core MVC MODULE 2: DESIGNING ASP.NET CORE MVC WEB APPLICATIONS * Planning in the Project Design Phase * Designing Models, Controllers and Views MODULE 3: CONFIGURE MIDDLEWARE AND SERVICES IN ASP.NET CORE * Configuring Middlewares * Configuring Services MODULE 4: DEVELOPING CONTROLLERS * Writing Controllers and Actions * Configuring Routes * Writing Action Filters MODULE 5: DEVELOPING VIEWS * Creating Views with Razor Syntax * Using HTML Helpers and Tag Helpers * Reusing Code in Views MODULE 6: DEVELOPING MODELS * Creating MVC Models * Working with Forms * Validating User Input MODULE 7: USING ENTITY FRAMEWORK CORE IN ASP.NET CORE * Introduction to Entity Framework Core * Working with Entity Framework Core * Use Entity Framework Core to connect to Microsoft SQL Server MODULE 8: USING LAYOUTS, CSS AND JAVASCRIPT IN ASP.NET CORE * Using Layouts * Using CSS and JavaScript * Using JavaScript Libraries MODULE 9: CLIENT-SIDE DEVELOPMENT * Applying Styles and Responsive Design * Using Task Runners * Looking at ASP.NET Core Blazor MODULE 10: TESTING AND TROUBLESHOOTING * Testing ASP.NET Core Applications * Implementing an Exception Handling Strategy * Logging ASP.NET Core Applications MODULE 11: MANAGING SECURITY * Authentication in ASP.NET Core * Authorization in ASP.NET Core * Defending from Common Attack MODULE 12: PERFORMANCE AND COMMUNICATION IMPLEMENTING A CACHING STRATEGY * Managing State * Supporting Two-way Communication MODULE 13: IMPLEMENTING WEB APIS * Introducing Web APIs * Developing a Web API * Calling a Web API MODULE 14: HOSTING AND DEPLOYMENT * Hosting and Deploying On-premises * Deploying to Microsoft Azure * Looking at Microsoft Azure Fundamentals

JAVA TRAINING COURSE DESCRIPTION A comprehensive introduction of the Java language and environment. It is important to note that the course will assume that the delegates are already familiar with the C language as this enables more advanced features of the Java language to be covered in the course. The course will also give an overview of areas related to programming in Java. WHAT WILL YOU LEARN * Describe the Java architecture. * Write Java applets and applications. * Debug Java programs. * Examine existing code and determine its function. * Use multimedia extensions, the awt, multithreading, exceptions within Java JAVA TRAINING COURSE DETAILS * Who will benefit: Those wishing to program in Java. * Prerequisites: Complete C programming * Duration 5 days JAVA TRAINING COURSE CONTENTS * Review of UNIX fundamentals * What is Java? What Java is, history of Java, reasons for success. The Java Virtual Machine, Bytecodes, getting up and running with Java, Java resources. Simple Java applications. * C features in Java Java data structures, Java flow control, differences from C, arrays, strings and packages. * OO features in Java Java classes and objects, inheritance, overloading, packages. Differences from C++. * Java applets Applications vs. applets, HTML, the applet tag, applet methods, life cycle, testing and debugging. * Multimedia applets Images, sounds, fonts, colours and animation. * Java products The JDK in detail, other development environments. Javabeans and JDBC overviews. * Abstract Window Toolkit JFC and Swing versus AWT. Event handling (JDK 1.1), GUIs, panels, buttons, lists, scrollbars, text areas, frames… * Exception handling and multithreading Handling exceptions. Starting, pausing, stopping threads, producers, consumers, monitoring. * More standard classes Java file I/O, Streams, The system class. The networking model, java.net classes. * Security and Java Types of attack, the security manager, craplets, securing the network. * Integrating legacy code with Java

PERL TRAINING COURSE DESCRIPTION A hands on introduction to programming in Perl. WHAT WILL YOU LEARN * Write Perl programs. * Use Perl modules. * Debug Perl programs. * Examine existing code and determine its function. PERL TRAINING COURSE DETAILS * Who will benefit: Anyone wishing to learn Perl. * Prerequisites: None although experience in another high level language would be useful. * Duration 5 days PERL TRAINING COURSE CONTENTS * Introduction to Perl What is Perl? When to use Perl, downloading Perl, installing Perl, documentation, perldoc, running Perl, the Perl environment. Perl under UNIX, Perl under Windows. "Hello world". * Variables Scalars, data types, $_, strings and numbers, assignment, constants, strict, scope, STDIN. * Operators Number operators, string operators, precedence and associativity, converting numbers and strings, shortcut operators. * Flow control Blocks, if, else, elseif, unless, foreach, while, for do, until. * Regular expressions What are regular expressions? Pattern matching, Perl as a filter, file editing. * Strings Comparing strings, concatenating, substrings, chomp, chop, formatting, string manipulation. * Subroutines Comparing strings, concatenating, substrings, chomp, chop, formatting, string manipulation. * Arrays and hashes Working with arrays, element access, push(), pop(), shift(), unshift(), <STDIN> as an array, associative arrays, hashes of arrays, hash references, arrays of hashes, hashes of hashes. * Files Simple file handling, open, close, <FILEHANDLE>, <>, file tests, directory access, directory handles, database access, packing and packing binary data. * I/O STDIN, STDOUT and STDERR, Command line arguments,@ARGV. * Perl debugging The built in debugger, running the debugger, debugger commands, graphical debuggers. Script syntax errors, single stepping, breakpoints, watches. * Packages and modules CPAN, Finding modules, installing modules, using modules, scope. * Report formatting Formats, defining a format, invoking a format, field holders. * Process management System interaction, system(), exec(), signals. Security issues.

COMPLETE VBA PROGRAMMING TRAINING COURSE DESCRIPTION This course helps you extend the capabilities of the entire Office suite using Visual Basic for Applications (VBA). Even if you have no programming experience, you'll be automating routine computing processes quickly using the simple, yet powerful VBA programming language. We start at the beginning to get you acquainted with VBA so you can start recording macros right away. You'll then build upon that foundation to utilize the full capabilities of the language in Word, Excel, Outlook, and PowerPoint. WHAT WILL YOU LEARN * Record, write and run macros. * Work with VBA Editor. * Use the huge library of built-in functions. * Create simple dialog boxes and complex forms. * Customize Word, Excel, PowerPoint, Outlook, and Access. * Program the Office 2016 ribbon. COMPLETE VBA PROGRAMMING TRAINING COURSE DETAILS * Who will benefit: Anyone looking to extend the capabilities of the entire Office suite using VBA. * Prerequisites: None. * Duration 5 days COMPLETE VBA PROGRAMMING TRAINING COURSE CONTENTS * Macros and getting started in VBA VBA syntax, variables, constants, and enumerations, array variables, finding objects, methods, and properties. * Working with VBA 1 VBA syntax, variables, constants, and enumerations, array variables, finding objects, methods, and properties. * Decisions, loops and functions Built-in functions, creating your own functions, making decisions in your code, using loops to repeat actions. * Using message boxes, input boxes, and dialog boxes Getting user input with message boxes and input boxes, creating simple custom dialog boxes, creating complex forms. * Creating effective code Building modular code and using classes, debugging your code and handling errors, building well-behaved code, exploring VBA's security features. * Programming the Office applications The Word object model and key objects, working with widely used objects in Word, the Excel object model and key objects, working with widely used objects in Excel, the PowerPoint object, model and key objects, working with shapes and running slide shows, the Outlook object model and key objects, working with events in Outlook, the Access object model and key objects, manipulating the data in an Access database via VBA, accessing one application from another application, programming the Office 2016 ribbon.

ADVANCED ASTERISK TRAINING COURSE DESCRIPTION This 2 day hands-on Asterisk training course covers advanced Asterisk configuration including fault tolerant clusters, upgrading and patching Asterisk servers, firewall and NAT transversal, using databases to store Asterisk data. Practical sessions follow each major section to reinforce the theory. WHAT WILL YOU LEARN * Configure advanced Asterisk features. * Utilise databases from Asterisk * Integrate Asterisk with SIP servers. * Build High Availability Asterisk clusters. * Maintain and secure Asterisk servers. ADVANCED ASTERISK TRAINING COURSE DETAILS * Who will benefit: Technical staff working with or evaluating Asterisk. * Prerequisites: Definitive Asterisk for engineers * Duration 2 days ADVANCED ASTERISK TRAINING COURSE CONTENTS * Best Practice Review of basics, Channel best practice, dial plan best practise. * Call Centre Features GUI, Asterisk Manager Interface, billing, CDR, advanced IVR, ACD, Vici Dial. Hands on Install Vici-Dial * Asterisk and Databases MySQL, LDAP, ODBC, dial plan from a Database, storing CDR in a Database, Hands on Dial plan in MySQL, CDR in MySQL. * TDM over Ethernet What is TDMoE, Asterisk to Asterisk TDMoE, Phone Bridge. Hands on * 2 * via TDMoE. * High Availability Asterisk HA Linux - Virtual Servers, Fail-over steps, setting up HA Linux, configuring Asterisk for fail-over on HA Linux, Hands on Configure Asterisk HA. * Advanced Dial plans Asterisk Gateway Interface, AGI IVR applications, Multiple switches sharing Dial plans, ENUM, DUNDI. Hands on Configure DUNDI. * Integration Legacy PBX, SIP Proxys, OpenSER. Hands on Configure SER to work with Asterisk. * Asterisk Maintenance Asterisk upgrades, implementing patches, advanced debugging, * Security Firewalls, NAT, Asterisk security issues. Hands on Configure Asterisk to work through a Firewall and NAT.

KERBEROS FOR ENGINEERS TRAINING COURSE DESCRIPTION This hands on course covers the details of Kerberos, from installation and administration through to how it all works including the protocols. WHAT WILL YOU LEARN * Describe what Kerberos is. * Explain how Kerberos works. * Install Kerberos. * Configure Kerberos. * Troubleshoot Kerberos. KERBEROS FOR ENGINEERS TRAINING COURSE DETAILS * Who will benefit: Engineers interested in security. * Prerequisites: TCP/IP foundation for engineers * Duration 2 days KERBEROS FOR ENGINEERS TRAINING COURSE CONTENTS * What is Kerberos? Single Sign On, The protocol, the standard, history, v4, v5, RFCs, Linux, Windows. * Kerberos concepts and technology AAA, Authentication, Authorization, Accounting. Kerberos vs LDAP and directories. Privacy, integrity. Kerberos realms, principles, instances. Keys, salts, passwords. Key Distribution Centre, Authentication server, ticket granting server. Tickets. * Installation and administration of Kerberos Installing Kerberos, creating realms, testing. DNS and Kerberos, Kerberos clients. Hands on Windows and Linux Kerberos. * Kerberos protocols The Needham-Schroeder protocol, Kerberos v4. Authentication server, ticket granting server, Kerberos v5, encryption options, ticket options, other protocol features and extensions. Related protocols: GSSAPI, SPNEGO. Hands on Using Wireshark to 'see' Kerberos. * Troubleshooting Kerberos Approach, debugging tools, errors and solutions. Hands on Kerberos troubleshooting. * Kerberos security concerns Kerberos attacks, protocol security issues. Dictionary attacks, brute force attacks, replay attacks, MITM attacks, security solutions, protecting the KDC, firewalls, NAT and Kerberos. Hands on Kerberos logging. * Software which uses Kerberos Kerberos logins, Kerberos and web based applications, Directory services. * Advanced Kerberos issues Cross realm authentication, Windows issues, Windows and UNIX interoperability, Hands on Using a Windows DC for UNIX clients.