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When to use IList and when to use List

...change to some other better type without forcing all of your clients to re-compile/update. – Ash Sep 12 '10 at 8:53 11 ...
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Get key by value in dictionary

...re constructive. A perfectly reasonable use case is not "unintended" (list comprehension fits such a use case anyway). A dict can be for multiple things at different times; keys and values have a clear meaning, of course, but "dict items with a given value" is a perfectly reasonable request. The rec...
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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti

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How do I manage MongoDB connections in a Node.js web application?

... The primary committer to node-mongodb-native says: You open do MongoClient.connect once when your app boots up and reuse the db object. It's not a singleton connection pool each .connect creates a new connection pool. So, to an...
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PHP Multidimensional Array Searching (Find key by specific value)

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iOS 6: How do I restrict some views to portrait and allow others to rotate?

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Is there a NumPy function to return the first index of something in an array?

... to stop searching after finding the first value? I don't think where() is comparable to find() – Michael Clerx Nov 20 '14 at 19:12 2 ...
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How can I use PowerShell with the Visual Studio Command Prompt?

...een driving me nuts that I have to punt to cmd.exe when running the VS2010 Command Prompt. I used to have a nice vsvars2008.ps1 script for Visual Studio 2008. Anyone have a vsvars2010.ps1 or something similar? ...
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How to round a number to n decimal places in Java

...d this with: "#.##", rounding HALF_UP. 256.335f -> "256.33" ...(example comes from comments to @asterite's answer). – bigstones Dec 11 '15 at 11:43 6 ...
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Programmatically creating Markdown tables in R with KnitR

... FYI knitr now requires the command in the format results = 'asis' – Stedy Aug 29 '14 at 16:56  |  ...