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Draw a perfect circle from user's touch
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More generally: A concise, understandable explanation AND diagrams AND an animated demo AND code AND variations? This is an ideal Stack Overflow answer.
– Peter Hosey
Oct 1 '13 at 8:29
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How to convert a string into double and vice versa?
...ouble + (myDouble>0 ? 0.5 : -0.5))
I'm honestly not sure if there's a more streamlined way to convert back into a string than
NSString* myNewString = [NSString stringWithFormat:@"%d", myInt];
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How to redirect to a different domain using NGINX?
...n directive defaults to port 80 when not specified. It's actually a little more complicated than that in general; see the nginx configuration docs for more details.
– Yitz
Sep 23 '13 at 17:17
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Most efficient method to groupby on an array of objects
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If anyone is interested, I made a more readable and annotated version of this function and put it in a gist: gist.github.com/robmathers/1830ce09695f759bf2c4df15c29dd22d I found it helpful for understanding what's actually happening here.
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Generics in C#, using type of a variable as parameter [duplicate]
... pushing the decision one level higher up the stack?
If you could give us more information about what you're doing, that would help. Sometimes you may need to use reflection as above, but if you pick the right point to do it, you can make sure you only need to do it once, and let everything below t...
How can you dynamically create variables via a while loop? [duplicate]
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Making a UITableView scroll when text field is selected
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Undo a Git merge that hasn't been pushed yet
... commit that is at the top of the log, and this commit has two parents (or more than 2 if you do an octopus merge). If you remove this one merge commit, then all of the older commits that came in from the merge will disappear, too. To be safe, though, after a reset git will tell you where the new he...
How to model type-safe enum types?
...e
val Mon = Value("Mon")
val Tue = Value("Tue")
... etc
}
You get more sensible results:
WeekDay.valueOf("Sun") //returns Some(Sun)
WeekDay.Tue.toString //returns Tue
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How can I add reflection to a C++ application?
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