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Question mark (?) in XML attributes for Android
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The question mark means it's a reference to a resource value in the currently applied theme. See the linuxtopia Android Dev Guide or the android.com Dev Guide for more about it.
\? escapes the question mark.
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Regex for quoted string with escaping quotes
How do I get the substring " It's big \"problem " using a regular expression?
16 Answers
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How can I maximize a split window?
Invoking :help in Vim, I got the help manual page with split window. I want to maximize the help manual window and close the other window.
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Does Java support default parameter values?
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No, the structure you found is how Java handles it (that is, with overloading instead of default parameters).
For constructors, See Effective Java: Programming Language Guide's Item 1 tip (Consider static factory methods instead of constructors) if the overloading is gett...
Why a function checking if a string is empty always returns true? [closed]
... string is not empty and false if the string is empty. I've found out that it is not working if I pass an empty string through it.
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Setting direction for UISwipeGestureRecognizer
I want to add simple swipe gesture recognition to my view based iPhone project. Gestures in all directions (right, down, left, up) should be recognized.
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How to add pandas data to an existing csv file?
I want to know if it is possible to use the pandas to_csv() function to add a dataframe to an existing csv file. The csv file has the same structure as the loaded data.
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Retrieve the maximum length of a VARCHAR column in SQL Server
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edited Oct 28 '18 at 0:48
Roy Scheffers
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What is __main__.py?
What is the __main__.py file for, what sort of code should I put into it, and when should I have one?
5 Answers
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iOS detect if user is on an iPad
I have an app that runs on the iPhone and iPod Touch, it can run on the Retina iPad and everything but there needs to be one adjustment. I need to detect if the current device is an iPad. What code can I use to detect if the user is using an iPad in my UIViewController and then change something ac...