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Rails Migration: Remove constraint
I have a table in a Rails application which (in schema.rb) looks like:
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Difference between two DateTimes C#?
I need a function that can return the difference between the below two dates as 24.
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Aligning UIToolBar items
I have three UIBarButtonItem created as below. They align left and I'd like to align center so there isn't a gap on the right side. I don't see an align property on UIToolBar . Is there another way to accomplish this?
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Installing CocoaPods: no response
Trying to install CocoaPods from the terminal:
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How to create a new branch from a tag?
I'd like to create a new master branch from an existing tag. Say I have a tag v1.0 . How to create a new branch from this tag?
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Instance v state variables in react.js
In react.js, is it better to store a timeout reference as an instance variable (this.timeout) or a state variable (this.state.timeout)?
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MySQL: how to get the difference between two timestamps in seconds
Is there a way I can make a query in MySQL that will give me the difference between two timestamps in seconds, or would I need to do that in PHP? And if so, how would I go about doing that?
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python pandas: apply a function with arguments to a series
I want to apply a function with arguments to a series in python pandas:
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Extracting substrings in Go
I'm trying to read an entire line from the console (including whitespace), then process it. Using bufio.ReadString, the newline character is read together with the input, so I came up with the following code to trim the newline character:
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