Stell dir vor, du hast eine bestimmte Anzahl an Äpfeln und möchtest sie mit deinen Freunden teilen. Das Teilen bedeutet, dass du die Äpfel gleichmäßig verteilst, sodass jeder gleich viele bekommt. Was passiert beim Teilen? Wenn du zum Beispiel 6… Continue Reading
Let be a connected, unidirected graph with n vertices and m edges. For a vertex denotes the set of neighbors of . A random Walk on is the following process, which occurs in a sequence of discrete steps: starting at… Continue Reading
Obtaining an .ipa file for an iOS app that is available on the App Store can be a challenge, especially if you don’t have access to the file directly. Fortunately, the ipatool tool offers a solution. With ipatool, you can… Continue Reading
The actor model was proposed decades ago (1973) by Carl Hewitt as a way to handle parallel processing in a high performance network — an environment that was not available at the time. As a quick summary an actor is a message… Continue Reading
Since Xcode 13 when you create a SwiftUI app or your own app extensions from a template wizard you will get a project without an Info.plist listed in project navigator. Where is it gone? “Projects created from several templates no… Continue Reading
In Python, a generator is a function that returns an iterator that produces a sequence of values when iterated over. Generators are useful when we want to produce a large sequence of values – so these values do not need… Continue Reading
When you start implementing your own arithmetic algorithms you will sooner than later encounter overflow errors. Unlike arithmetic operators in C, arithmetic operator in Swift don’t overflow by default. Overflow behaviour is trapped and reported as an error. You have… Continue Reading
Closures are a powerful programming concept that enable many different programming patterns. However, for lots of beginning programmers, closures can be tricky to use and understand. This is especially true when closures are used in an asynchronous context. For example,… Continue Reading
“We should do (as wise programmers aware of our limitations) our utmost best to … make the correspondence between the program (spread out in text space) and the process (spread out in time) as trivial as possible.” —Edsger W. Dijkstra, “Go… Continue Reading
The Swift Standard Library currently implements the three most essential general-purpose data structures: Array, Set and Dictionary. These are the right tool for a wide variety of use cases, and they are particularly well-suited for use as currency types. But sometimes, in order to… Continue Reading