To get the current time in Swift: For example, let’s show what time it is right now in the console: Output: A Deeper Dive Let’s take a closer look at the above Swift code. This Swift code imports the Foundation framework, which provides fundamental data types, collections, and operating-system services to the Swift programming language. […]
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To calculate the time difference between two Date objects in seconds in Swift, use the Date.timeIntervalSinceReferenceDate method. For example, let’s calculate how many seconds is between Christmas and New Year: Output: Date Difference Extension in Swift If you need to compute time differences between two dates more often in your project, feel free to write
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In Swift, looping with an index is a common technique used to iterate through a collection of items and perform some operation on each item. This technique is useful when you need to access individual elements in the collection, modify them, or perform some calculations based on their position. By using a loop with an
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To get the first index of an item in an array in Swift, use the array.firstIndex(where:) method. For instance, let’s find the first occurrence of the string “a” in an array: Output: Don’t let the $0 notation confuse you. Here is how it works: If you are still confused about the $0 notation, feel free
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In Python, the assert statements make sure a condition is met before continuing the execution of the program. For example, let’s assert that a discounted price does not go below 0 nor surpass the original price: Calling this function with an input that makes the assertion fail will lead to the code crash with a
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Programming means writing instructions for a computer to perform desired actions. It is one of the most in-demand skills in the world. Mobile apps, video games, websites, or any other piece of software is written by a programmer. There are lots of things you need to understand to wrap your head around programming. It is
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To get the current time in Python: For example, here is a simple piece of code to get the current time: This displays the current time in HH:MM:SS format: This is a comprehensive guide to getting the current time in Python. You will learn how to get the current time in different formats and contexts
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To get the last digit of a number in Python: For example, let’s get the last digit of the number 162329: Output: Shorthand Approach You can also make the above code a bit shorter by combining steps 1-3 into a single expression: The result: How to Get the Last Digit of a Decimal in Python
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To find the asymmetric difference between two lists in Python: Here is an example: Output: Asymmetric Difference between Lists in Python The asymmetric difference in set theory means that given sets A and B, return the elements that are in set A but not in set B. But do not return the elements that are
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There are 33 reserved keywords in Python in total. These keywords serve a useful purpose and are written as non-usable words in the Python programming language. For example, ‘if’ is a reserved keyword. It allows you to introduce if-else logic in your code. You can’t name your variable as ‘if’ in Python. Here’s a complete
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