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How to create a protocol with methods that are optional?
I noticed methods marked optional in several protocols defined in the iPhone SDK, such as the UIActionSheetDelegate protocol for example.
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What Regex would capture everything from ' mark to the end of a line?
I have a text file that denotes remarks with a single ' .
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Filtering a list of strings based on contents
Given the list ['a','ab','abc','bac'] , I want to compute a list with strings that have 'ab' in them. I.e. the result is ['ab','abc'] . How can this be done in Python?
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How to set working/current directory in Vim?
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How to change the playing speed of videos in HTML5?
How to change the video play speed in HTML5? I've checked video tag's attributes in w3school but couldn't approach that.Any help would be appreciated!
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How to disable/enable the sleep mode programmatically in iOS?
I have an app that must stay awake until the end of a countdown but it will go into 'sleep mode' whenever it reaches the allocated time to sleep.
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Passing a function with parameters as a parameter?
Is it possible to pass a javascript function with parameters as a parameter?
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Why are functions and methods in PHP case-insensitive?
Functions and methods in PHP are case-insensitive as illustrated in the following example.
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