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What is a “surrogate pair” in Java?
I was reading the documentation for StringBuffer , in particular the reverse() method. That documentation mentions something about surrogate pairs . What is a surrogate pair in this context? And what are low and high surrogates?
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Is there a way to ignore header lines in a UNIX sort?
I have a fixed-width-field file which I'm trying to sort using the UNIX (Cygwin, in my case) sort utility.
12 Answers
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String concatenation: concat() vs “+” operator
Assuming String a and b:
11 Answers
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Difference between del, remove and pop on lists
...nt methods to remove an element from a list:
remove removes the first matching value, not a specific index:
>>> a = [0, 2, 3, 2]
>>> a.remove(2)
>>> a
[0, 3, 2]
del removes the item at a specific index:
>>> a = [9, 8, 7, 6]
>>> del a[1]
>>> a
[9...
Why does Math.Round(2.5) return 2 instead of 3?
In C#, the result of Math.Round(2.5) is 2.
15 Answers
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Count number of days between two dates
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@MichaelDurrant You are making an unwarranted assumption. The user does not specify if they are strings or not. In fact since they are using Rails it's most likely the dates are coming from ActiveRecord which will automatically cast them to date object...
Was PreferenceFragment intentionally excluded from the compatibility package?
I'm looking to write preferences that can be applied to both 3.0 and pre-3.0 devices. Discovering that PreferenceActivity contains deprecated methods (although these are used in the accompanying sample code), I looked at PreferenceFragement and the compatibility package to solve my woes.
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ASP.NET MVC framework 4.5 CSS bundle does not work on the hosting
I am runing an App on app harbor written in MVC4.
11 Answers
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Why do x86-64 systems have only a 48 bit virtual address space?
In a book I read the following:
10 Answers
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Convert file: Uri to File in Android
...'s the easiest way to convert from a file: android.net.Uri to a File in Android?
18 Answers
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