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Do HTML5 Script tag need type=“javascript”? [duplicate]

... No, it's now officially useless. The type attribute gives the language of the script or format of the data. If the attribute is present, its value must be a valid MIME type. The charset parameter must not be specified. The def...
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Pointers, smart pointers or shared pointers? [duplicate]

...me thing in memory somewhere. Who owns it? Only the comments will let you know. Who frees it? Hopefully the owner at some point. Smart pointers are a blanket term that cover many types; I'll assume you meant scoped pointer which uses the RAII pattern. It is a stack-allocated object that wraps a poin...
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sql primary key and index

...ate your own alternate index on that column, then drop the default index. Now for the fun part--when do you NOT want a unique primary key index? You don't want one, and can't tolerate one, when your table acquires enough data (rows) to make the maintenance of the index too expensive. This varies ...
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How can I add an item to a IEnumerable collection?

... only not intend to be modifed. Thank you guys – ldsenow Jul 31 '09 at 2:19 7 I had a Connect fea...
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If REST applications are supposed to be stateless, how do you manage sessions?

...u’re actually making a request. The rest of the time, it doesn’t even know you exist. This means that whenever a client makes a request, it must include all the application states the server will need to process it. Resource state is the same for every client, and its proper place is on the se...
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Accessing dict keys like an attribute?

...usion about what's being done, since this isn't a commonly-used idiom. I know it would have the potential to confuse me. Additonally, if you change the value of KEY as follows (but miss changing d.spam), you now get: >>> KEY = 'foo' >>> d[KEY] = 1 >>> # Several lines of...
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ASP.NET MVC 404 Error Handling [duplicate]

... here throw new PageNotFoundException("page or resource"); } Now, in my Action, I am throwing a Custom Exception that I have created. And my Controller is inheriting from a custom Controller Based class that I have created. The Custom Base Controller was created to override error handl...
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Can someone explain the traverse function in Haskell?

... [1..3]? We get the partial results of [1], [2,2] and [3,3,3] using rep. Now the semantics of lists as Applicatives is "take all combinations", e.g. (+) <$> [10,20] <*> [3,4] is [13,14,23,24]. "All combinations" of [1] and [2,2] are two times [1,2]. All combinations of two times [1,2...
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Search for executable files using find command

...ric questions, it is sufficient to use the POSIX-compliant -perm primary (known as a test in GNU find terminology). -perm allows you to test for any file permissions, not just executability. Permissions are specified as either octal or symbolic modes. Octal modes are octal numbers (e.g., 111), whe...
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Where to put model data and behaviour? [tl; dr; Use Services]

... "Angular model is plain old javascript object" mantra, but it seems to me now that this pattern is perfectly fine. EDIT (2): To be even clearer, I use a Model class only to factor simple getters / setters (e.g. : to be used in view templates). For big business logic, i recommend using separate se...