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String.Join method that ignores empty strings?

...nter this character by keyboard). Also, if you get the values from a database, then it's even simpler, since you can do it in SQL directly: PostgreSQL & MySQL: SELECT concat_ws(' / ' , NULLIF(searchTerm1, '') , NULLIF(searchTerm2, '') , NULLIF(searchTerm3, '') ...
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Constant Amortized Time

...count of money 5th room size = fits 32 count of money 6th room size = fits 64 count of money 7th room size = fits 128 count of money 8th room size = fits 256 count of money 9th room size = fits 512 count of money 10th room size= fits 1024 count of money 11th room size= fits 2,048 count of money ... ...
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Can you use an alias in the WHERE clause in mysql?

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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How to add a custom loglevel to Python's logging facility

... bad practice of using internal methods (self._log) and why is each answer based on that?! The pythonic solution would be to use self.log instead so you don't have to mess with any internal stuff: import logging SUBDEBUG = 5 logging.addLevelName(SUBDEBUG, 'SUBDEBUG') def subdebug(self, message, *...
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Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?

...reviously). Both tester applications, the synchronously multithreaded one (based on HttpWebRequest) and asynchronous I/O one (based on HTTP client) produced similar results: about 10 seconds to execute using around 3% of the CPU and 30 MB of memory. The only difference between the two testers was th...
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Get Character value from KeyCode in JavaScript… then trim

..., // [61] "GREATER_THAN", // [62] "QUESTION_MARK", // [63] "AT", // [64] "A", // [65] "B", // [66] "C", // [67] "D", // [68] "E", // [69] "F", // [70] "G", // [71] "H", // [72] "I", // [73] "J", // [74] "K", // [75] "L", // [76] "M", // [77] "N", // [78] "O", // [...
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How to check if an object is a list or tuple (but not string)?

... In python 2 only (not python 3): assert not isinstance(lst, basestring) Is actually what you want, otherwise you'll miss out on a lot of things which act like lists, but aren't subclasses of list or tuple. s...
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Does BroadcastReceiver.onReceive always run in the UI thread?

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How to synchronize a static variable among threads running different instances of a class in Java?

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HTTP GET with request body

...you give it meaning by parsing it on the server and changing your response based on its contents, then you are ignoring this recommendation in the HTTP/1.1 spec, section 4.3: ...if the request method does not include defined semantics for an entity-body, then the message-body SHOULD be ignored when...