context

Use context managers to make your code more robust and more PythonicImage by BUMIPUTRA in PixabayWe have been using the with keyword with the open function to create a context that will close the file after we have finished reading/writing. However, context managers in Python are not limited to managing external resources like file descriptors, database connections, threading locks, etc, they can be used to provide all kinds of contexts which require some setup and teardown actions before and after the main code block is…

You can find several useful functions in DAX when looking at the current Filter Context. Here are some examples of these functionsPhoto by Ran Berkovich on UnsplashThere are a few DAX functions to look at the current Filter Context.In this article, we will look at the following functions (In alphabetical order):ALLSELECTEDFILTERSHASONEFILTERHASONEVALUEISCROSSFILTEREDISFILTEREDISINSCOPESELECTEDVALUEI will provide a link to the corresponding article on DAX Guide and examples for each function on how to use them and how they…

Trade is global, climate policy is regional—this creates tensions and a need for action. Credit: Shutterstock/Fortuner Climate policy is currently in the balance, as was evident this month in Bonn at the first round of UN negotiations since the start of the Ukraine war. On the one hand, governments must become more ambitious, increasing the costs of climate-damaging economic activity and, if necessary, securing this…

Source: Thomas Angistalis FilmNoir, a movie and TV show tracker that uses the Trakt service, has a big new version 1.7 update available for download today. The iPhone app has gained a new, modern menu interface, improved sorting options, and more. The new update, which is available for all existing users right now via the App Store, adds a ton of improvements alongside the usual array of fixes. Top of the list is a collection of new context menus. Long-press on just about anything and you'll now see the different ways you…

A common HIV drug has been shown to improve the connections between memories in aging mice. The findings could help reveal how contextual events are remembered in the human brain, and why this becomes harder as we age.  The HIV drug, known as maraviroc, acts on a cellular protein known as CCR5, which sits on the surface of white blood cells. When the HIV virus connects with one of these receptors, it can enter the cell and replicate. But if maraviroc gets there first, it blocks the entrance.And that's not all it does. In…

While smart scales have been around for ages, body composition analysis is still a fairly new feature for wearables. Case in point, the Samsung Galaxy Watch 4 was the first smartwatch to natively include the feature. Amazon’s Halo Band was the first fitness tracker with the feature. Both of these launched in the past two years. Meanwhile, Apple has yet to tackle body composition. For Apple Watch owners, you’ll have to turn to accessories like the $149 Aura Strap 2. Like smart scales, the Aura Strap 2 determines your…