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LINQ's Distinct() on a particular property
...INQ to learn about it, but I can't figure out how to use Distinct when I do not have a simple list (a simple list of integers is pretty easy to do, this is not the question). What I if want to use Distinct on a list of an Object on one or more properties of the object?
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How to convert an ArrayList containing Integers to primitive int array?
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You can convert, but I don't think there's anything built in to do it automatically:
public static int[] convertIntegers(List<Integer> integers)
{
int[] ret = new int[integers.size()];
for (int i=0; i < ret.length; i++)
{
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Set environment variables from file of key/value pairs
TL;DR: How do I export a set of key/value pairs from a text file into the shell environment?
33 Answers
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How to convert wstring into string?
...;
}
}
This will usually work for Linux, but will create problems on Windows.
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how to fire event on file select
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and what happens when you submit the form asynchronously, don't navigate away from the page, then attempt to upload the same file again? This code will only execute once, the second time, selecting the same file will not execute a change event
– Christopher Th...
How to find the Git commit that introduced a string in any branch?
...certain string which was introduced in any commit in
any branch, how can I do that? I found something (that I modified for Win32),
but git whatchanged doesn't seem to be looking into the different branches
(ignore the py3k chunk, it's just a msys/win line feed fix)
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What is the best way to compute trending topics or tags?
..., 1, 0])
1.65291949506
Notes
You can use this method with a sliding window (i.e. last 30 days) if you wish not to take to much history into account, which will make short term trends more pronounced and can cut down on the processing time.
You could also use a z-score for values such as change i...
How do function pointers in C work?
...r me to find that answer for some odd reason. So basically, it gives C pseudo first-class functionality.
– giant91
Oct 13 '13 at 2:28
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How do you clone a BufferedImage
...feredimages into the new object, but these new images may be altered and i don't want the original object images to be altered by altering the new objects images.
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Passing a single item as IEnumerable
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Your helper method is the cleanest way to do it, IMO. If you pass in a list or an array, then an unscrupulous piece of code could cast it and change the contents, leading to odd behaviour in some situations. You could use a read-only collection, but that's likely to ...