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How to add a right button to a UINavigationController?
I am trying to add a refresh button to the top bar of a navigation controller with no success.
21 Answers
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Regular Expression to match string starting with “stop”
How do I create a regular expression to match a word at the beginning of a string. We are looking to match stop at the beginning of a string and anything can follow it.
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How to detect when cancel is clicked on file input?
How can I detect when the user cancels a file input using an html file input?
32 Answers
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Sending a mail from a linux shell script
I want to send an email from a Linux Shell script. What is the standard command to do this and do I need to set up any special server names?
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What's the difference between echo, print, and print_r in PHP?
I use echo and print_r much, and almost never use print .
11 Answers
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How to check if a view controller is presented modally or pushed on a navigation stack?
How can I, in my view controller code, differentiate between:
16 Answers
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How to use ternary operator in razor (specifically on HTML attributes)?
With the WebForms view engine, I'll commonly use the ternary operator for very simple conditionals, especially within HTML attributes. For example:
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Remove element of a regular array
I have an array of Foo objects. How do I remove the second element of the array?
15 Answers
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What is base 64 encoding used for?
I've heard people talking about "base 64 encoding" here and there. What is it used for?
18 Answers
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What is the difference between an annotated and unannotated tag?
If I want to tag the current commit. I know both of the following command lines work:
3 Answers
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