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Rails migrations: Undo default setting for a column
I have the problem, that I have an migration in Rails that sets up a default setting for a column, like this example:
4 Ans...
Change Canvas.Left property in code behind?
I have a rectangle in my XAML and want to change its Canvas.Left property in code behind:
3 Answers
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What is the meaning of the CascadeType.ALL for a @ManyToOne JPA association
I think I misunderstood the meaning of cascading in the context of a @ManyToOne relationship.
6 Answers
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How do I get out of a screen without typing 'exit'?
I screen -r 'd into a django server that's running and I can't simply Ctrl-C and exit out of it.
5 Answers
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How do I find the last occurrence of a substring in an NSString?
How would I get the last occurrence of an NSString within another NSString? For example, in "abc def ghi abc def ghi," I want to find the index of the second "abc," not the first. I know I could do this with a bunch of rangeOfStrings, but is there already a function for that?
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TypeScript sorting an array
I've been trying to figure out a very strange issue I ran into with typescript. It was treating an inline Boolean expression as whatever the first value's type was instead of the complete expression.
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Differences between fork and exec
What are the differences between fork and exec ?
9 Answers
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How to clear an ImageView in Android?
I am reusing ImageView s for my displays, but at some point I don't have values to put it.
17 Answers
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What does “Git push non-fast-forward updates were rejected” mean?
I'm using Git to manage my two computers and my development. I'm trying to commit changes to GitHub and I'm getting the error.
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creating list of objects in Javascript
Is it possible to do create a list of your own objects in Javascript ? This is the type of data I want to store :
5 Ans...