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Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
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// JS by default uses a crappy string compare.
// (we use slice to clone the array so the
// original array won't be modified)
let results = [];
for (let i = 0; i < sorted_arr.length - 1; i++) {
if (sorted_arr[i + 1] == sorted_arr[i]) {
results.push(sorted_arr[i]);
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Hide separator line on one UITableViewCell
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One reminder: When your iDevice is iPad and cell is used AutoLayout, the value returned by "cell.bounds.size.width" maybe not equal to actual cell's width. So I always use "tableView.frame.size.width" instead of "cell.bounds...
There can be only one auto column
How do I correct the error from MySQL 'you can only have one auto increment column'.
4 Answers
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Putting a simple if-then-else statement on one line [duplicate]
...ere an easier way of writing an if - then - else statement so it fits on one line?
5 Answers
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What is the benefit of using Fragments in Android, rather than Views?
... weight and simpler to implement.
At first, I actually tried to build a phone/tablet app using custom views. Everything appeared to work across phones AND tablets, even switching from single panel to split panel. Where I ran into trouble was with the back button and life cycle. Since I was simpl...
How do I copy the contents of one stream to another?
What is the best way to copy the contents of one stream to another? Is there a standard utility method for this?
13 Answers...
Things possible in IntelliJ that aren't possible in Eclipse?
I have heard from people who have switched either way and who swear by the one or the other.
41 Answers
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How to gzip all files in all sub-directories into one compressed file in bash
...ure. However, I need to do something slightly different. I need to produce one big gzip file for all files under a certain directory. I also need to be able to specify the output filename for the compressed file (e.g., files.gz) and overwrite the old compressed file file if one already exists.
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What is the best comment in source code you have ever encountered? [closed]
...e to remove anything directly offensive before releasing the code). Here's one I'm particulary fond of, placed far, far down a poorly-designed 'God Object':
/**
* For the brave souls who get this far: You are the chosen ones,
* the valiant knights of programming who toil away, without rest,
* fixin...
How do I break a string across more than one line of code in JavaScript?
...ware of the automatic semicolon insertion mechanism: Try to have return on one row and a "string" on the next one at the end of the function and you get undefined as a result.
– some
Feb 3 '09 at 21:30
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