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<main>
<div class="px-4 py-5 my-5 text-center">
<h1 class="display-5 fw-bold">Quality-Assuring Software Engineering Methods (QASM)</h1>
<div class="col-lg-6 mx-auto">
<p class="lead mb-4">FH Münster Lecture</p>
</div>
</div>
<div class="section-divider"></div>
<div class="container col-xxl-8 px-4 py-5">
<div class="row flex-lg-row-reverse align-items-center g-5 py-5">
<div class="col-10 col-sm-8 col-lg-6"><img src="images/tech-debt-comic.png" class=
"d-block mx-lg-auto img-fluid" alt="Tech debt comic from monkeyuser.com" width="700"
height="500" loading="lazy"></div>
<div class="col-lg-6">
<h1 class="display-5 fw-bold lh-1 mb-3">Software Quality Under Time Pressure</h1>
<p class="lead">In the private sector, software products are developed under high time
pressure caused by the market economy. The source code, which is constantly growing, is
distributed among different teams/sub-projects and is becoming increasingly difficult to
maintain, further develop and test - in long-term projects, such shortcomings develop
that the working hours of the teams are used more and more inefficiently and bug fixes
and new features are always needed take longer and become more expensive while
maintaining the quality of the overall product. The development processes of many
companies also regularly lead to frustration among specialists.</p>
</div>
</div>
</div>
<div class="section-divider"></div>
<div class="container col-xxl-8 px-4 py-5">
<div class="row flex-lg-row-reverse align-items-center g-5 py-5">
<div class="col-lg-6">
<h1 class="display-5 fw-bold lh-1 mb-3">Goals of the Lecture</h1>
<p class="lead">In this module, students learn how and what problems arise in software
development when working on software products in large teams in the private sector under
release pressure. Well-known topics such as "Test-Driven Development" are not explained
in detail from the ground up, but are rather touched upon and considered in the overall
context in order to show the enormous costs that companies worldwide repeatedly incur if
software development is not combined with testing from the start , continuous
integration/deployment and automated infrastructure combined.</p>
</div>
<div class="col-10 col-sm-8 col-lg-6"><img src="images/tech_debt_change_costs.png" class=
"d-block mx-lg-auto img-fluid" alt=
"Qualitative diagram that shows the rising cost of development with increasingtech debt"
width="700" height="500" loading="lazy"></div>
</div>
</div>
<div class="section-divider"></div>
<div class="container col-xxl-8 px-4 py-5">
<div class="row flex-lg-row-reverse align-items-center g-5 py-5">
<div class="col-10 col-sm-8 col-lg-6"><img src="images/tech_debt_reduction.png" class=
"d-block mx-lg-auto img-fluid" alt=
"Qualitative diagram of the drop of visible productivity during tech debt reduction phases"
width="700" height="500" loading="lazy"></div>
<div class="col-lg-6">
<h1 class="display-5 fw-bold lh-1 mb-3">Open Source</h1>
<p class="lead">The comparison of different open source technologies gives the students a
broad horizon, which enables them to estimate, plan and implement the appropriate scope
and effort for the selection and setup of toolchains, test suites and automation
infrastructure.</p>
<p class="lead">Furthermore, the students are enabled to economically justify the need
for corresponding processes and the effort to set up and maintain them in front of
superiors in the private sector in order to develop software with realistic and effective
processes at high speed that meets high quality standards. In addition, expectations are
conveyed that one may already have when applying for jobs at "good" companies.</p>
</div>
</div>
</div>
<div class="section-divider"></div>
<div class="container px-4 py-5" id="featured-3">
<h2 class="pb-2 border-bottom">Content Covered by the Lecture over the Semester</h2>
<p>The following contents will be discussed and applied with small example projects</p>
<div class="row g-4 py-5 row-cols-1 row-cols-lg-2">
<div class="feature col">
<h3 class="fs-2">Testing and Tooling</h3>
<p>Regression-free software development at high speed through tools and testing</p>
<ul>
<li>Test Driven Development</li>
<li>Sanitizers, Static Analysis, Linter Tools</li>
<li>Fuzzing, QuickCheck</li>
</ul>
</div>
<div class="feature col">
<h3 class="fs-2">VCS & Collaboration</h3>
<ul>
<li>Version Control with Git</li>
<li>Synchronization of decentralized repositories</li>
<li>Pull request workflows with code review</li>
</ul>
</div>
</div>
<div class="row g-4 py-5 row-cols-1 row-cols-lg-2">
<div class="feature col">
<h3 class="fs-2">Reproducible Builds</h3>
<ul>
<li>Avoid "hidden" build dependencies through total isolation</li>
<li>The central role of hashing for code and dependencies</li>
<li>Frustration-free setup of complex toolchains per developer</li>
<li>Automated, perfectly reproducible integration tests</li>
<li>Defining Build Environments with Docker and Nix, comparing the pros and cons</li>
</ul>
</div>
<div class="feature col">
<h3 class="fs-2">Continuous Integration</h3>
<ul>
<li>The importance of CI/CD for predictable and speedy product releases</li>
<li>Construction of a complex CI/CD chain for automatic product deployment. Look at
products/technologies like Github, Gitlab, Nix Hydra.</li>
<li>Comparison of the pros and cons of Docker vs. Nix</li>
</ul>
</div>
</div>
</div>
<div class="section-divider"></div>
<div class="container px-4 py-5" id="icon-grid">
<h2 class="pb-2 border-bottom">Additional Information</h2>
<div class="row row-cols-1 row-cols-sm-2 row-cols-md-3 row-cols-lg-3 g-4 py-5">
<div class="col d-flex align-items-start">
<svg class="bi text-muted flex-shrink-0 me-3" width="2em" height="2em">
<use xlink:href="#cpu-fill"></use></svg>
<div>
<h3 class="fw-bold mb-0 fs-4">Target Group</h3>
<p>Master students in electrical engineering, computer science, and similar</p>
</div>
</div>
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<svg class="bi text-muted flex-shrink-0 me-3" width="2em" height="2em">
<use xlink:href="#calendar3"></use></svg>
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<h3 class="fw-bold mb-0 fs-4">Dates</h3>
<p>4 blocks, 2 days each. Dates are announced every summer before the winter
semester.</p>
</div>
</div>
<div class="col d-flex align-items-start">
<svg class="bi text-muted flex-shrink-0 me-3" width="2em" height="2em">
<use xlink:href="#speedometer2"></use></svg>
<div>
<h3 class="fw-bold mb-0 fs-4">Exam</h3>
<p>Online oral exam. Appointments will be made during the semester.</p>
</div>
</div>
<div class="col d-flex align-items-start">
<svg class="bi text-muted flex-shrink-0 me-3" width="2em" height="2em">
<use xlink:href="#toggles2"></use></svg>
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<h3 class="fw-bold mb-0 fs-4">Course Type</h3>
<p>Part theory, part programming lab with exercises</p>
</div>
</div>
<div class="col d-flex align-items-start">
<svg class="bi text-muted flex-shrink-0 me-3" width="2em" height="2em">
<use xlink:href="#geo-fill"></use></svg>
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<h3 class="fw-bold mb-0 fs-4">Location</h3>
<p>Online if Corona/Energy rules apply. Computer pool lecture room at Steinfurt
otherwise.</p>
</div>
</div>
<div class="col d-flex align-items-start">
<svg class="bi text-muted flex-shrink-0 me-3" width="2em" height="2em">
<use xlink:href="#home"></use></svg>
<div>
<h3 class="fw-bold mb-0 fs-4">Contact</h3>
<p>Jacek Galowicz, M.Sc.</p>
<p>jacek@galowicz.de</p>
</div>
</div>
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