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What is the fastest way to check if a class has a function defined?
...g decorator called "lru_cache" by Raymond Hettinger. A version of this is now standard in the functools module in Python 3.2.
http://code.activestate.com/recipes/498245-lru-and-lfu-cache-decorators/
http://docs.python.org/release/3.2/library/functools.html
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In-App Billing test: android.test.purchased already owned
...essfully "bought" the test item "android.test.purchased" the first time, I now receive the response code 7 every time I try to buy it again, which means that I already own this item.
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How to get the number of days of difference between two dates on mysql?
...-14 11:00:00');
returns 1
select timestampdiff(DAY, '2016-04-13 11:00:00', now()); returns how many full 24h days has passed since 2016-04-13 11:00:00 until now.
Hope it will help someone, because at first it isn't much obvious why datediff returns values which seems to be unexpected or wrong.
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Collisions when generating UUIDs in JavaScript?
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Thanks, I'm going with uuid.js now, since it uses browser's strong crypto if available. Will see if there are any collisions.
– Muxa
Aug 31 '11 at 22:21
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What is the best way to unit test Objective-C code?
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Xcode 5 now has XCTest does it still include OCUnit? Will you update your answer with information for XCode 5.
– BrightIntelDusk
Mar 24 '14 at 22:48
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PHP expects T_PAAMAYIM_NEKUDOTAYIM?
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Highlight string is להדגיש מחרוזת. From now on, I will only use my custom array_push function לדחוף_מערך in Hebrew characters, of course. I'm sure all of my non-Hebrew speaking coworkers will love it. Just about all of our dev team speaks at least one lang...
Add new attribute (element) to JSON object using JavaScript
... @shanehoban here a is JSON, a.s as just defined by you is a string. Now you are trying to add ["subproperty"] to a string. Do you understand now why u got the error?
– shivam
Jul 12 '14 at 11:45
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How can I listen for a click-and-hold in jQuery?
...timeoutId);
});
Edit: correction per AndyE...thanks!
Edit 2: using bind now for two events with same handler per gnarf
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Why does an overridden function in the derived class hide other overloads of the base class?
...g by the wording of your question (you used the word "hide"), you already know what is going on here. The phenomenon is called "name hiding". For some reason, every time someone asks a question about why name hiding happens, people who respond either say that this called "name hiding" and explain ho...
how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...rows and with mysql i can do this with only ONE query without any looping. Now I wonder if this is possible with postgresql too: to use just one query to bulk update OR insert. You say: "you're best of splitting it into two queries, one for INSERT and one for UPDATE" but how can I do an insert which...