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What are the use cases for selecting CHAR over VARCHAR in SQL?

...mption that char uses less processing power than varchar may be true...for now...but database engines get better over time and this sort of general rule has the making of a future "myth". Another thing: I have never seen a performance problem because someone decided to go with varchar. You will ma...
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Schrödingers MySQL table: exists, yet it does not

...t on and try to recreate the table, it only creates the .ibd file. .frm is nowhere to be found. This only applies to a certain table (10+ others are created with correct files). Deleting that orphan ibd doesn't help anything anyway – Corkscreewe May 18 '12 at 1...
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Javascript “this” pointer within nested function

... Now that's progress! – Joshua Pinter Jun 21 '16 at 4:59 ...
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Why do std::shared_ptr work

...nique_ptr (say by rvalue-reference), that function does not and needs not know what the deleter is. – David Rodríguez - dribeas Jan 16 '16 at 19:09  |  ...
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How to access parent scope from within a custom directive *with own scope* in AngularJS?

... want to avoid something totally hacky or unmaintainable. For example, I know I could do it right now by taking the $scope from the preLink parameters and iterating over it's $sibling scopes to find the conceptual "parent". ...
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MVC 3: How to render a view without its layout page when loaded via ajax?

...SP.NET 5 there is no Request variable available anymore. You can access it now with Context.Request Also there is no IsAjaxRequest() Method anymore, you have to write it by yourself, for example in Extensions\HttpRequestExtensions.cs using System; using Microsoft.AspNetCore.Http; namespace Micros...
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How to format strings using printf() to get equal length in the output?

... of whatever length the two strings header1 and header2 may have. I don't know if all implementations have the %n but Solaris and Linux do. share | improve this answer | foll...
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Exception messages in English?

... many times when I simply dumped localized exception messages into Google, now it's not available anymore. – Martin Braun May 18 at 13:52 ...
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Duplicating a MySQL table, indices, and data

... work for big tables (millions of records)?.. I am asking because I don't know how this select * will perform in huge tables. – fguillen Dec 1 '16 at 17:23 4 ...
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“Application tried to present modally an active controller”?

...oller setViewControllers:[NSArray arrayWithObjects:vc1, vc2, vc3, nil]]; Now you are trying to do something like this: [tabBarController presentModalViewController:vc3]; This will give you an error because that Tab Bar Controller has a death grip on the view controller that you gave it. You ca...