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Why don't they teach these things in school? [closed]

...learned a lot (probably more than I've learned in the sum of all my university coursework). I'm really wondering why they don't teach a few of the things I learned sooner in school though. To name a few: ...
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Excel “External table is not in the expected format.”

...gram. The xlsx file is on a share on our network. How can I read the file without having to open it first? Thanks 23 Answer...
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How do you sort a dictionary by value?

...e targeting .NET 2.0 or above, you can simplify this into lambda syntax -- it's equivalent, but shorter. If you're targeting .NET 2.0 you can only use this syntax if you're using the compiler from Visual Studio 2008 (or above). var myList = aDictionary.ToList(); myList.Sort((pair1,pair2) => p...
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Share Large, Read-Only Numpy Array Between Multiprocessing Processes

... locks, since the array (actually a matrix) will be read-only. Now, due to its size, I'd like to avoid a copy. It sounds like the correct method is to create the only copy of the array as a sharedmem array, and then pass it to the Process objects? A couple of specific questions: ...
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How do I escape a single quote in SQL Server?

...'ve shown us in your example. The following SQL illustrates this functionality. I tested it on SQL Server 2008: DECLARE @my_table TABLE ( [value] VARCHAR(200) ) INSERT INTO @my_table VALUES ('hi, my name''s tim.') SELECT * FROM @my_table Results value ================== hi, my name's tim. ...
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ASP.NET MVC Razor pass model to layout

...ee is a string Layout property. But how can I pass a model to layout explicitly? 11 Answers ...
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When is null or undefined used in JavaScript? [duplicate]

...l does not return a node object. The property is defined, but the object it refers to does not exist. This is one of the few times you may not want to test for equality- if(x!==undefined) will be true for a null value but if(x!= undefined) will be true (only) for values that are not either und...
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What are some methods to debug Javascript inside of a UIWebView?

I'm trying to figure out why something with Javascript isn't working inside of a UIWebView. To my knowledge, there is no way to set a breakpoint inside of XCode for a js file. No problemo, I'll just go back to 2004 and use alert statemen-- oh wait they don't seem to work inside of a UIWebView either...
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Commonly accepted best practices around code organization in JavaScript [closed]

... It would be a lot nicer if javascript had namespaces built in, but I find that organizing things like Dustin Diaz describes here helps me a lot. var DED = (function() { var private_var; function private_method() ...
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Is duplicated code more tolerable in unit tests?

I ruined several unit tests some time ago when I went through and refactored them to make them more DRY --the intent of each test was no longer clear. It seems there is a trade-off between tests' readability and maintainability. If I leave duplicated code in unit tests, they're more readable, but...