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Python division
I was trying to normalize a set of numbers from -100 to 0 to a range of 10-100 and was having problems only to notice that even with no variables at all, this does not evaluate the way I would expect it to:
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Is 1.0 a valid output from std::generate_canonical?
...numbers would lie between zero and one, without 1 , i.e. they are numbers from the half-open interval [0,1). The documention on cppreference.com of std::generate_canonical confirms this.
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How do I remove a property from a JavaScript object?
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The delete operator does not directly free memory, and it differs from simply assigning the value of null or undefined to a property, in that the property itself is removed from the object. Note that if the value of a deleted property was a reference type (an object), and another part of yo...
What is the difference between tree depth and height?
This is a simple question from algorithms theory.
The difference between them is that in one case you count number of nodes and in other number of edges on the shortest path between root and concrete node.
Which is which?
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This project references NuGet package(s) that are missing on this computer
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In my case, I had to remove the following from the .csproj file:
<Import Project="$(SolutionDir)\.nuget\NuGet.targets" Condition="Exists('$(SolutionDir)\.nuget\NuGet.targets')" />
<Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild"...
How to remove leading zeros from alphanumeric text?
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You can use the StringUtils class from Apache Commons Lang like this:
StringUtils.stripStart(yourString,"0");
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Programmatically generate video or animated GIF in Python?
I have a series of images that I want to create a video from. Ideally I could specify a frame duration for each frame but a fixed frame rate would be fine too. I'm doing this in wxPython, so I can render to a wxDC or I can save the images to files, like PNG. Is there a Python library that will al...
Python “raise from” usage
What's the difference between raise and raise from in Python?
1 Answer
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How to port data-only volumes from one host to another?
...estore, or migrate data volumes":
BACKUP:
sudo docker run --rm --volumes-from DATA -v $(pwd):/backup busybox tar cvf /backup/backup.tar /data
--rm: remove the container when it exits
--volumes-from DATA: attach to the volumes shared by the DATA container
-v $(pwd):/backup: bind mount the curren...
Deleting array elements in JavaScript - delete vs splice
... is not in fact set to the value undefined, rather the property is removed from the array, making it appear undefined. The Chrome dev tools make this distinction clear by printing empty when logging the array.
> myArray[0]
undefined
> myArray
[empty, "b", "c", "d"]
myArray.splice(start,...