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Delete/Reset all entries in Core Data?
...o persist your changes.
Just removing the store and recreating it is both fast and safe, and can certainly be done programatically at runtime.
Update for iOS5+
With the introduction of external binary storage (allowsExternalBinaryDataStorage or Store in External Record File) in iOS 5 and OS X 10....
Focus Next Element In Tab Index
...le set of focusable elements
no jQuery needed
works in all modern browsers
fast & lightweight
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Why seal a class?
.... type.GetCustomAttributes(typeof(MyAttribute)) will perform significantly faster if MyAttribute is sealed.
The MSDN article for this topic is Limiting Extensibility by Sealing Classes.
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How to test if string exists in file with Bash?
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Plus 1 for the fast solution and a more generalizable one
– Wassadamo
Jul 26 '19 at 19:52
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Convert a string representation of a hex dump to a byte array using Java?
...xml.bind.DatatypeConverter.parseHexBinary(hexString) seems to be about 20% faster than the above solution in my micro tests (for whatever little they are worth), as well as correctly throwing exceptions on invalid input (e.g. "gg" is not a valid hexString but will return -77 using the solution as pr...
What does “|=” mean? (pipe equal operator)
...n when compared objects are complicated and diffing them them is not quite fast)
– NIA
Aug 30 '17 at 14:12
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Converting from Integer, to BigInteger
...ly all the way around the globe. You'd still get there, and if you have a fast rocket-plane, you might not notice the time it took, but it's wasteful, and it does take some time longer.
– jbindel
Aug 5 '13 at 3:30
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Set up git to pull and push all branches
...sh spec is probably a bad idea, as it means that git will happily do a non-fast-forward push even without -f, and if the remote server is set up to accept those, you can lose history.
Try just this:
$ git config --add remote.origin.push 'refs/heads/*:refs/heads/*'
$ git config --add remote.origi...
How to convert a byte array to a hex string in Java?
...n bytes a thousand times, 256 bytes 10 million times) showed it to be much faster than any other alternative, about half the time on long arrays. Compared to the answer I took it from, switching to bitwise ops --- as suggested in the discussion --- cut about 20% off of the time for long arrays. (Ed...
jQuery date/time picker [closed]
...r
I found it to be the best among all of the alternatives. User can input fast, it looks clean, is simple, and allows user to input specific times down to the minute.
PS:
In my view: sliders (used by some alternative time pickers) take too many clicks and require mouse precision from the user (wh...