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...ered Jun 21 '16 at 13:12
Paul RooneyPaul Rooney
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Shortest distance between a point and a line segment
... is incorrect. A point near the line on which the segment lies but far off one end of the segment would be incorrectly judged near the segment. Update: The incorrect answer mentioned is no longer the accepted one.
Here's some correct code, in C++. It presumes a class 2D-vector class vec2 {float x,y...
iOS app error - Can't add self as subview
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Way back about iOS 4-something I saw something similar in one of our apps -- IIRC, if you popped animated and then immediately pushed animated the UI code would get badly mucked up. Ended up just changing to never do two animated push/pop operations back to back. Of course, all th...
Check if a string contains a number
...rue if all characters in the string are alphabetic and there
is at least one character, false otherwise.
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onBitmapLoaded of Target object not called on first load
...nce to the Target object. While you can store a strong reference Target in one of your classes, this can still be problematic if the Target references a View in any manner, since you'll effectively also be keeping a strong reference to that View as well (which is one of the things that Picasso expli...
How to read the Stock CPU Usage data
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Is there one bar per core? I only see 2 bars, but I have a quadcore device. Does that mean I'm not using all my cores?
– Ken
Oct 8 '12 at 21:33
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What is the most appropriate way to store user settings in Android application
...cess the values so there's some security there, but physical access to a phone could potentially allow access to the values.
If possible I'd consider modifying the server to use a negotiated token for providing access, something like OAuth. Alternatively you may need to construct some sort of crypt...
How to get the last day of the month?
Is there a way using Python's standard library to easily determine (i.e. one function call) the last day of a given month?
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EditText maxLines not working - user can still input more lines than set
... wanted a specific height I'd use "lines". :-/
– Someone Somewhere
Apr 29 '14 at 19:03
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On Duplicate Key Update same as insert
...can be updated to new value. If your older values are the same as your new ones, why would you need to update it in any case?
For eg. if your columns a to g are already set as 2 to 8; there would be no need to re-update it.
Alternatively, you can use:
INSERT INTO table (id,a,b,c,d,e,f,g)
VALUES (...