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back button callback in navigationController in iOS
...ck button it goes to the previous view automatically. I want to do a few things when back button is pressed before popping the view off the stack. Which is the back button callback function?
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What does the “-U” option stand for in pip install -U
Despite a ton of Googling, I can't find any docs for pip's command line options/arguments. What does pip install -U mean? Does anyone have a link to a list of pip's options and arguments?
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Correct approach to global logging in Golang
What's the pattern for application logging in Go? If I've got, say, 5 goroutines I need to log from, should I...
7 Answers...
Which rows are returned when using LIMIT with OFFSET in MySQL?
In the query below:
3 Answers
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Is it safe to assume strict comparison in a JavaScript switch statement?
I have a variable that can either be boolean false , or an integer (including 0). I want to put it in a switch statement like:
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How to print instances of a class using print()?
I am learning the ropes in Python. When I try to print an object of class Foobar using the print() function, I get an output like this:
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NSLog the method name with Objective-C in iPhone
Currently, we are defining ourselves an extended log mechanism to print out the class name and the source line number of the log.
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How do I ignore the authenticity token for specific actions in Rails?
... want to check the authenticity token on, how do I tell Rails to skip checking it?
2 Answers
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Object initialization syntax
I'm just starting out with F# and I can't find the syntax to do object initialization like in C# 3.
3 Answers
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split string in to 2 based on last occurrence of a separator
I would like to know if there is any built in function in python to break the string in to 2 parts, based on the last occurrence of a separator.
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