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Zooming MKMapView to fit annotation pins?

I am using MKMapView and have added a number of annotation pins to the map about a 5-10 kilometre area. When I run the application my map starts zoomed out to show the whole world, what is the best way to zoom the map so the pins fit the view? ...
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How can I count the number of matches for a regex?

Let's say I have a string which contains this: 5 Answers 5 ...
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How to style dt and dd so they are on the same line?

Using CSS, how can I style the following: 17 Answers 17 ...
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Python: Append item to list N times

This seems like something Python would have a shortcut for. I want to append an item to a list N times, effectively doing this: ...
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Test whether string is a valid integer

I'm trying to do something common enough: Parse user input in a shell script. If the user provided a valid integer, the script does one thing, and if not valid, it does something else. Trouble is, I haven't found an easy (and reasonably elegant) way of doing this - I don't want to have to pick it ap...
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Format output string, right alignment

I am processing a text file containing coordinates x, y, z 7 Answers 7 ...
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How to sort an array in Bash

I have an array in Bash, for example: 16 Answers 16 ...
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Check if an element's content is overflowing?

What's the easiest way to detect if an element has been overflowed? 14 Answers 14 ...
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Javascript fuzzy search that makes sense

I'm looking for a fuzzy search JavaScript library to filter an array. I've tried using fuzzyset.js and fuse.js , but the results are terrible (there are demos you can try on the linked pages). ...
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How to use shared memory with Linux in C

I have a bit of an issue with one of my projects. 5 Answers 5 ...