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Articles by Oliver Wolf
Kubernetes made deploying easy. Nobody warned you about the databases.
The DevOps movement, set in motion nearly 20 years ago, broke down the traditional divide between software developers and IT operations and adopted the of “you build it, you run it” as its own. However, in Kubernetes environments, that model can become unrealistic when application teams are also expected to operate databases and data services. In practice, DevOps database operations still require much more structure than many teams expect.
Computer Science > Machine Learning
Automatically detecting stress in speech provides an unobtrusive way to gain insights relevant to behavioral research or clinical assessment. This study investigates the automatic differentiation between a stressful and non-stressful situation, and the prediction of physiological and affective stress responses.
Multi-session CBM-I for social anxiety: examining psychopathology, cognitive, neural, and psychophysiological effects in a randomized controlled trial
Abstract Cognitive Bias Modification – Interpretation (CBM-I) aims to alter maladaptive interpretations in social anxiety, yet effects are often small and outcome measures are diverse. Although CBM-I has shown promise, its underlying mechanisms remain unclear and integration with psychophysiological and neural measures has been limited.
Microservices for the Benefits, Not the Hustle
From time to time I hear people saying “It cannot be scaled because it is a monolith, we need to rebuild it as microservices”. If you think this way, read on, this article is for you. Making a system scalable — or cheaper to scale — is the first benefit that comes to mind when you think about microservices. Unfortunately, this is not even true until you reach a certain load on your system. And in most cases, this break-even point is far away.
The most enjoyable way to write a thesis, paper or article.
Focus on Content not on layout. MonsterWriter reduces all wasteful and distractive tasks from your writing process. Never ever again fix the spacing of headings or move around elements from one page to the other!
Effects of acute psychosocial stress on cue‐reactivity, attentional bias and implicit associations in women with problematic social network use: An experimental study
INTRODUCTION The ubiquitous presence and easy accessibility of (on-line) social networks (SN) make it increasingly difficult for people to control their use and, especially in exceptional situations (e.g. under stress), to not resort to them as a quick distraction to avoid negative emotional states.
Effects of acute psychosocial stress on cue‐reactivity, attentional bias and implicit associations in women with problematic social network use: An experimental study
INTRODUCTION The ubiquitous presence and easy accessibility of (on-line) social networks (SN) make it increasingly difficult for people to control their use and, especially in exceptional situations (e.g. under stress), to not resort to them as a quick distraction to avoid negative emotional states.
Relation Database Misunderstandings
Relational database systems are called relational because of the mathematical term "relation" which is defined as a subset of a cartesian product. That is why in the relational model a table is called a relation. The cartesian product would be all possible combinations of all possible values of all columns. A concrete table is usually only a subset of all possible values so it is a relation.
Effects of total sleep deprivation on performance in a manual spacecraft docking task - npj Microgravity
Abstract Sleep deprivation and circadian rhythm disruptions are highly prevalent in shift workers, and also among astronauts. Resulting sleepiness can reduce cognitive performance, lead to catastrophic occupational events, and jeopardize space missions. We investigated whether 24 hours of total sleep deprivation would affect performance not only in the Psychomotor Vigilance Task (PVT), but also in a complex operational task, i.e. simulated manual spacecraft docking.
The House of Requirements
The House of Requirements A diagram I created years ago, I thought it’s worth sharing.
My Journey with TypeScript
I only recently started using TypeScript for a personal project. I had my reservations, fearing that it would simply be the next CoffeeScript. However, I began noticing a shift in job listings, where the demand for vanilla JavaScript was decreasing. Eventually, the primary motivation for me to start using TypeScript was not technical, but rather a way to stay relevant in the job market.
The impact of physical exercise on the consolidation of fear extinction memories
Fear conditioning paradigm A modified version of the differential fear conditioning paradigm as described in Jentsch et al. (2020) was employed, consisting of three distinct phases: habituation followed by fear acquisition training on day 1, fear extinction training on day 2, and a retrieval and reinstatement test assessing extinction memory retrieval and return of fear on day 3, all of which were separated by 24 hr (see Figure 1).
ChatGPT in Academic Writing
Home Features Newsletter Support & Feedback Recently ChatGPT causes a lot of discussions how and if it should be allowed in academic writing. Especially for students this seems to be a shortcut to get an assignment done with very little effort. Let's review what is the main purpose of an academic paper: "advance the understanding of a particular topic or field, and to help drive further research and innovation" (ChatGPT, 2023).
The Open Closed Principle and Planned Software Extension Dimensions
The open closed principle is a quite hard concept to grasp. I find it particular easy to understand if you use an additional concept to explain it. I like to call it “Planned Software Extension Dimensions”. I don’t know if there is an existing name for this, but ChatGPT could not help me. To give you an example, lets have a look at a writing application for students and academics. As I’m working on such an app since many years it is an obvious example.
OLIVER WOLF IN DETROIT
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Which jobs are being replaced by AI and is software engineering affected?
At least since the release of ChatGPT, everyone has been concerned with artificial intelligence technologies and wondering, “Will I soon be replaced?” Here are some jobs that I think will be taken over by AI in the future: Translations: In the future, translators will only check what a programme has translated. They will find very few mistakes. Proofreading: The actual checking of a text will still be supervised by a human, but this will be supported by AI.
The Big TDD Misunderstanding
💡Originally, the term “unit” in “unit test” referred not to the system under test but to the test itself. This implies that the test can be executed as one unit and does not rely on other tests running upfront (see here and here). However, when people started considering the system under test as the “unit”, it significantly affected the quality of test suites (in a bad way). The primary consequence was that the majority began writing one “unit test” for every class or method.
Code Optimizations when Using Async/Await
Async/Await has been introduced to JavaScript in order to cope with the problem called the callback hell. Before async/await a couple of “intermediate” solutions tried to solve this problem: Using promises Using generators and the co library Using async/await as syntactic sugar for the second solution When we apply solution 2 or 3, there is a risk that we do not make use of the biggest selling point of node.js.
The memory trace of a stressful episode
Highlights • Psychosocial stress shapes representations of memory traces in the human amygdala • Neural representations of central items of a stressful episode are bound together • Representations of remembered central items bind to representations of the stressor • Amygdala similarity patterns explain how stress improves memory for central items Summary Stress influences episodic memory formation via noradrenaline and glucocorticoid effects on amygdala and hippocampus.
Cortisol promotes the cognitive regulation of high intensive emotions independent of timing
Abstract Failures to cognitively downregulate negative emotions are a crucial risk factor for mental disorders. Previous studies provide evidence for a stress-induced improvement of cognitive emotion regulation possibly mediated via glucocorticoid actions. Cortisol can initialize immediate non-genomic as well as delayed genomic effects on cognitive control functioning, but its distinct effects on emotion regulation processes remain to be shown.
Why I don’t use AWS
Because you need a Ph.D. degree in AWS infrastructure to have a rough idea of how big your bill will be at the end of the month.
Falls Organisers Respond To Camp Cope Calling Out Festival For Lack Of Female Acts
During their set at the festival's Byron Bay leg, singer Georgia Maq changed some of the lyrics in their song, The Opener, to call out Falls, singing, "It's another man telling us we can't fill up a tent, it's another fucking festival booking only nine women". Falls Festival co-producer, Jessica Ducrou, responded to the comments in a statement given to The Music today.
Purposes and trade-offs of the microservices architecture style
Most people think a microservices architecture is good for building scalable applications. This isn’t false but we should have a closer look at which dimension this architecture style scales at its best. The dimension that comes into people’s mind first is the dimension of load. This means it should be possible to add additional resources to keep the performance the same when workload increases. In fact, this is not for what microservices are good for in the first place.
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Stephanie Antons, Silke M. Müller, Tobias A. Thomas, Anna M. Schmid, Annica Kessling, Maithilee Joshi, Kseniya Krikova, Miriam Kampa, Lukas Mallon, Lasse D. Schmidt, Lena Klein, Nanne Dominick, Kjell Büsche, Andreas Oelker, Annika Brandtner, Christian Montag, Klaus Wölfling, Oliver T.
Stress intensifies demands on response selection during action cascading processes
Stress has been shown to modulate a number of cognitive processes including action control. These functions are important in daily life and are mediated by various cognitive subprocesses. However, it is unknown if stress affects the whole processing cascade, or exerts specific effects on a restricted subset of processes involved in the chaining of actions.
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