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Best practice to validate null and empty collection in Java
I want to verify whether a collection is empty and null . Could anyone please let me know the best practice.
9 Answers
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Fast Bitmap Blur For Android SDK
Currently in an Android application that I'm developing I'm looping through the pixels of an image to blur it. This takes about 30 seconds on a 640x480 image.
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How do I format a number with commas in T-SQL?
I'm running some administrative queries and compiling results from sp_spaceused in SQL Server 2008 to look at data/index space ratios of some tables in my database. Of course I am getting all sorts of large numbers in the results and my eyes are starting to gloss over. It would be really conveni...
What is the difference between graph search and tree search?
What is the difference between graph search and tree search versions regarding DFS, A* searches in artificial intelligence ?
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How to remove outliers from a dataset
... The ages range from 20-40 at intervals of 2 (20, 22, 24....40), and for each record of data, they are given an age and a beauty rating from 1-5. When I do boxplots of this data (ages across the X-axis, beauty ratings across the Y-axis), there are some outliers plotted outside the whiskers of each b...
Creating a “logical exclusive or” operator in Java
Java has a logical AND operator.
Java has a logical OR operator.
Java has a logical NOT operator.
17 Answers
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How to delete a file after checking whether it exists
How can I delete a file in C# e.g. C:\test.txt , although apply the same kind of method like in batch files e.g.
10 Answer...
What's the difference between a method and a function?
Can someone provide a simple explanation of methods vs. functions in OOP context?
34 Answers
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Javascript Array of Functions
That does not work as intended because each function in the array is executed when the array is created.
18 Answers
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