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Best approach for designing F# libraries for use from both F# and C#
I am trying to design a library in F#. The library should be friendly for use from both F# and C# .
4 Answers
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Get time difference between two dates in seconds
...w Date();
var seconds = (endDate.getTime() - startDate.getTime()) / 1000;
Or even simpler (endDate - startDate) / 1000 as pointed out in the comments unless you're using typescript.
The explanation
You need to call the getTime() method for the Date objects, and then simply subtract them and divide...
brew update: The following untracked working tree files would be overwritten by merge:
I tried to run brew update and I get an error about my local changes would be lost if I merged. I tried committing my local changes (don't remember making any, but it's been awhile), and that made things worse.
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How to cast an Object to an int
... you're sure that this object is an Integer :
int i = (Integer) object;
Or, starting from Java 7, you can equivalently write:
int i = (int) object;
Beware, it can throw a ClassCastException if your object isn't an Integer and a NullPointerException if your object is null.
This way you assume ...
.gitignore exclude files in directory but not certain directories
This doesn't seem to be working. When I clone the project, there is no "application/cache" folder or "application/cache/folder" folder, etc...
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Is there a way to do method overloading in TypeScript?
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According to the specification, TypeScript does support method overloading, but it's quite awkward and includes a lot of manual work checking types of parameters. I think it's mostly because the closest you can get to method ove...
How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
I'm using the PostgreSQL database for my Ruby on Rails application (on Mac OS X 10.9).
15 Answers
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What's the point of having pointers in Go?
... have been simpler if they adopted just references (with appropriate const or mutable qualifiers). Now we have pointers and for some built-in types like maps and channels implicit pass by reference.
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How do you delete an ActiveRecord object?
How do you delete an ActiveRecord object?
4 Answers
4
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Get div height with plain JavaScript
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var clientHeight = document.getElementById('myDiv').clientHeight;
or
var offsetHeight = document.getElementById('myDiv').offsetHeight;
clientHeight includes padding.
offsetHeight includes padding, scrollBar and borders.
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