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How to implement a tree data-structure in Java? [closed]
...d tree implementation and there is nothing stopping you from using it with out a swing interface.
Note that as of Java 9 you may wish not to use these classes as they will not be present in the 'Compact profiles'.
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Optimal way to concatenate/aggregate strings
... numbers (NameNumber column) adding Name values to FullName column.
Filter out all results but the ones with the highest NameNumber.
Please keep in mind that in order to make this query predictable one has to define both grouping (for example, in your scenario rows with the same ID are concatenate...
Function to calculate distance between two coordinates
...apping API (Google or Bing being the most popular) to get the appropriate route, which will include the distance.
Incidentally, the Google Maps API provides a packaged method for spherical distance, in its google.maps.geometry.spherical namespace (look for computeDistanceBetween). It's probably be...
Gradients on UIView and UILabels On iPhone [duplicate]
...As of iPhone SDK 3.0, custom gradients can be implemented very easily, without subclassing or images, by using the new CAGradientLayer:
UIView *view = [[[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 100)] autorelease];
CAGradientLayer *gradient = [CAGradientLayer layer];
gradient.frame = vi...
How to resize an Image C#
... The above function will cover most of them, but you still have to worry about saving.
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How to get all files under a specific directory in MATLAB?
...e,x),... %# Prepend path to files
fileList,'UniformOutput',false);
end
subDirs = {dirData(dirIndex).name}; %# Get a list of the subdirectories
validIndex = ~ismember(subDirs,{'.','..'}); %# Find index of subdirectories
%#...
What is your most productive shortcut with Vim?
I've heard a lot about Vim , both pros and cons.
It really seems you should be (as a developer) faster with Vim than with any other editor.
I'm using Vim to do some basic stuff and I'm at best 10 times less productive with Vim.
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Hidden features of C
... a misfeature, because the standard should have at least provided library routines that can test for arithmetic overflow (of all basic operations) w/o causing UB.
– zvrba
Jan 20 '09 at 20:51
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Split a collection into `n` parts with LINQ?
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@Dejan: Right - I wouldn't like to guess about how it interacts with Parallel LINQ partitioning, to be honest :)
– Jon Skeet
Apr 3 '14 at 9:40
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How do I use Linq to obtain a unique list of properties from a list of objects?
... of objects where the id is a property. I'd like to be able to do this without looping through each object and pulling out the unique ids that I find.
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