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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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ng-options with simple array init
I'm a little bit confused with Angular and ng-options .
5 Answers
5
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Rails Migration: Remove constraint
I have a table in a Rails application which (in schema.rb) looks like:
2 Answers
2
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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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Print function log /stack trace for entire program using firebug
Firebug has the ability to log calls to a particular function name. I'm looking for a bug that sometimes stops a page from rendering, but doesn't cause any errors or warnings. The bug only appears about half the time. So how do I get a list of all the function calls for the entire program, or som...
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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Installing CocoaPods: no response
Trying to install CocoaPods from the terminal:
6 Answers
6
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Replace one character with another in Bash
I need to be able to do is replace a space ( ) with a dot ( . ) in a string in bash.
6 Answers
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How to use WinForms progress bar?
I want to show progress of calculations, which are performing in external library.
4 Answers
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