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Curious null-coalescing operator custom implicit conversion behaviour
...l; there's no need to check it for null a second time just because we are calling a lifted conversion operator". We'd them optimize it away to just
new int?(op_Implicit(temp2.Value))
My guess is that we are somewhere caching the fact that the optimized form of (int?)Foo() is new int?(op_implici...
Can Powershell Run Commands in Parallel?
...o do some batch processing on a bunch of images and I'd like to do some parallel processing. Powershell seems to have some background processing options such as start-job, wait-job, etc, but the only good resource I found for doing parallel work was writing the text of a script out and running thos...
What is the optimal Jewish toenail cutting algorithm?
I am working on the software for a machine that will automatically trim toenails, so that users can simply put their feet in it and run it instead of having to manually do it by biting them or using nail clippers.
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In Python, how do I indicate I'm overriding a method?
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Based on this and fwc:s answer I created a pip installable package https://github.com/mkorpela/overrides
From time to time I end up here looking at this question.
Mainly this happens after (again) seeing the same bug in our code base: Someone has forgotten some "interface" i...
Remove all elements contained in another array
I am looking for an efficient way to remove all elements from a javascript array if they are present in another array.
14 A...
Linux - Replacing spaces in the file names
...umber of files in a folder, and I want to replace every space character in all file names with underscores. How can I achieve this?
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How to reverse a string in Go?
...size of the input in bytes. It does not correspond to its length. - Not all utf8's runes are of the same size. It can be either 1, 2, 4, or 8. - You should use unicode/ut8 package's method RuneCountInString to get the length of the rune.
– Anvesh Checka
M...
Android Fragments and animation
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To achieve the same thing with hiding or showing a fragment you'd simply call ft.show or ft.hide, passing in the Fragment you wish to show or hide respectively.
For reference, the XML animation definitions would use the objectAnimator tag. An example of slide_in_left might look something like this...
Awaiting multiple Tasks with different results
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After you use WhenAll, you can pull the results out individually with await:
var catTask = FeedCat();
var houseTask = SellHouse();
var carTask = BuyCar();
await Task.WhenAll(catTask, houseTask, carTask);
var cat = await catTask;
var house =...
Call apply-like function on each row of dataframe with multiple arguments from each row
...ataframe with multiple columns. For each row in the dataframe, I want to call a function on the row, and the input of the function is using multiple columns from that row. For example, let's say I have this data and this testFunc which accepts two args:
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