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ExecuteReader requires an open and available Connection. The connection's current state is Connectin

...ould be smart to encapsulate ADO.NET functionality into a DB-Class(me too 10 years ago). Mostly they decide to use static/shared objects since it seems to be faster than to create a new object for any action. That is neither a good idea in terms of peformance nor in terms of fail-safety. Don't poa...
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How can I tell who forked my repository on GitHub?

...l down) – Matt Ball Jun 7 '15 at 3:40 1 ...
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Execute and get the output of a shell command in node.js

... Renato GamaRenato Gama 13.9k1010 gold badges5050 silver badges8484 bronze badges ...
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“On-line” (iterator) algorithms for estimating statistical median, mode, skewness, kurtosis?

... from your set (e.g. that you don't introduce a bias by picking the first 100'000 values). The same approach can also be used for estimating mode and median for the normal case (for both the sample mean is an estimator). Further comments All the algorithms above can be run in parallel (including m...
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How do I cast a variable in Scala?

... answered May 31 '09 at 15:21 Daniel SpiewakDaniel Spiewak 51.1k1111 gold badges101101 silver badges120120 bronze badges ...
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How do I switch to another subversion branch in Intellij?

... answered Oct 19 '09 at 16:35 PeterPPeterP 4,22266 gold badges1919 silver badges2121 bronze badges ...
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Difference between res.send and res.json in Express.js

... https://github.com/visionmedia/express/blob/ee228f7aea6448cf85cc052697f8d831dce785d5/lib/response.js#L174 res.json eventually calls res.send, but before that it: respects the json spaces and json replacer app settings ensures the response will have utf8 charset and application/json con...
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django urls without a trailing slash do not redirect

... 101 check your APPEND_SLASH setting in the settings.py file more info in the django docs ...
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Conditionally Remove Dataframe Rows with R [duplicate]

... Logic index: d<-d[!(d$A=="B" & d$E==0),] share | improve this answer | follow | ...
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What does principal end of an association means in 1:1 relationship in Entity framework

... 380 In one-to-one relation one end must be principal and second end must be dependent. Principal end...