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The most efficient way to implement an integer based power function pow(int, int)
What is the most efficient way given to raise an integer to the power of another integer in C?
17 Answers
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Formula px to dp, dp to px android
I am trying to calculate a variable amount of pixels to density independent pixels and vice-versa.
20 Answers
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How to find third or nth maximum salary from salary table?
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Use ROW_NUMBER(if you want a single) or DENSE_RANK(for all related rows):
WITH CTE AS
(
SELECT EmpID, EmpName, EmpSalary,
RN = ROW_NUMBER() OVER (ORDER BY EmpSalary DESC)
FROM dbo.Salary
)
SELECT EmpID, EmpName, EmpSalary
FROM CTE
WHERE ...
Is R's apply family more than syntactic sugar?
...regarding execution time and / or memory.
5 Answers
5
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Convert InputStream to BufferedReader
I'm trying to read a text file line by line using InputStream from the assets directory in Android.
3 Answers
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Send data from activity to fragment in Android
I have two classes. First is activity, second is a fragment where I have some EditText . In activity I have a subclass with async-task and in method doInBackground I get some result, which I save to variable. How can I send this variable from subclass "my activity" to this fragment?
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How can I disable ReSharper in Visual Studio and enable it again?
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You can disable ReSharper 5 and newer versions by using the Suspend button in menu Tools -> Options -> ReSharper.
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Best way to create enum of strings?
What is the best way to have a enum type represent a set of strings?
8 Answers
8
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HashMap to return default value for non-found keys?
...oted by other answers and commenters, as of Java 8 you can simply call Map#getOrDefault(...).
[Original]
There's no Map implementation that does this exactly but it would be trivial to implement your own by extending HashMap:
public class DefaultHashMap<K,V> extends HashMap<K,V> {
p...
How do I execute any command editing its file (argument) “in place” using bash?
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danielsdaniels
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