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What to add for the update portion in ConcurrentDictionary AddOrUpdate

...e the indexer’s setter (See: http://blogs.msdn.com/b/pfxteam/archive/2010/01/08/9945809.aspx) The indexer is atomic, too. If you pass a function instead, it might not be: All of these operations are atomic and are thread-safe with regards to all other operations on the ConcurrentDictionary...
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How to get the seconds since epoch from the time + date output of gmtime()?

... Stypox 45777 silver badges1010 bronze badges answered Dec 28 '10 at 19:13 nmichaelsnmichaels 43.3k1212 go...
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Find nearest value in numpy array

...rray[idx] array = np.random.random(10) print(array) # [ 0.21069679 0.61290182 0.63425412 0.84635244 0.91599191 0.00213826 # 0.17104965 0.56874386 0.57319379 0.28719469] value = 0.5 print(find_nearest(array, value)) # 0.568743859261 ...
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Code Golf: Collatz Conjecture

...78 --> 89 --> 268 --> 134 --> 67 ; >> --> 202 --> 101 --> 304 --> 152 --> 76 --> 38 --> 19 --> 58 --> 29 --> 88 ; >> --> 44 --> 22 --> 11 --> 34 --> 17 --> 52 --> 26 --> 13 --> 40 --> 20 --> 10 ; >> --> 5...
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How to cancel a pull request on github?

...here a way to delete a PR not just close? Thanks. – f01 Oct 1 '15 at 11:06 small correction needed in github help page...
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How would I get a cron job to run every 30 minutes?

... vladrvladr 60k1616 gold badges120120 silver badges126126 bronze badges 1 ...
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How can I use getSystemService in a non-activity class (LocationManager)?

...anampullan 31.6k2626 gold badges8787 silver badges110110 bronze badges ...
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Get “Internal error in the expression evaluator” on “Add watch” function when trying to debug WCF se

Few days ago I moved my solution to MSVS 2013. It works fine except one thing: when I trying to debug code of my WCF service it works, but when I want to watch state of any variable it says: "Internal error in the expression evaluator". Add watch function works normal on client side, but in service...
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What reason is there to use null instead of undefined in JavaScript?

...ed Jan 22 '18 at 9:44 informatik01 14.7k88 gold badges6666 silver badges100100 bronze badges answered Jul 7 '11 at 1:08 ...
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What are the Ruby Gotchas a newbie should be warned about? [closed]

...| edited Dec 16 '08 at 22:01 community wiki 3 r...