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Understanding implicit in Scala
...k
in view folder of app the template is declared like
@()(implicit requestHreader:RequestHeader)
in controller action is like
def index = Action{
implicit request =>
Ok(views.html.formpage())
}
if you do not mention request parameter as implicit explicitly then you must have been written-
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How to set the prototype of a JavaScript object that has already been instantiated?
... an important use case and is one of the primary reasons __proto__ isn't already dead. It's important enough that it's been a serious discussion point in the formulation of Harmony, or soon to be known as ECMAScript 6. The ability to specify the prototype of an object during creation will be a part ...
JavaScript and Threads
Is there some way to do multi-threading in JavaScript?
13 Answers
13
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Correct way to use StringBuilder in SQL
...n the majority of cases, it will have to do a reallocation. It's easier to read, though. Note that this is not true of a series of concatenations. So for instance, this uses one StringBuilder:
return "prefix " + variable1 + " middle " + variable2 + " end";
It roughly translates to:
StringBuilder...
Why are we not to throw these exceptions?
...own without you having to test for it in the first place? And if you've already tested for it, then it's not really an exception?
– PugFugly
Mar 17 '14 at 12:08
5
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List of all index & index columns in SQL Server DB
...+ (see below for 2000)
-- includes schemas and primary keys, in easy to read format
-- with unique, clustered, and all ascending/descendings in a single column
-- Needs simple manual add or delete to change maximum number of key columns
-- but is easy to understand and modify, with no UDFs or...
How do I implement IEnumerable
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@ja72 What if you're already inheriting from another base class and cannot inherit from Collection<MyObject>?
– Monroe Thomas
Oct 9 '18 at 22:41
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Design by contract using assertions or exceptions? [closed]
...different modules/applications and eventually going out of sync? I mean on reader part it is always my mistake if I am trying to read the things the wrong way so I tend to use asserts, but on the other hand I have external data, which can eventually change format without notice.
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Structs in Javascript
...ore jumps than copying the new ___ ( , , , ) archetype. Also, there is no readability. Once you get used to coding, new READABLE_PART(ignore everything in here) becomes very scannable and self documenting, as opposed to {read: "ignore", everything: "ignore", in: "ignore", here: "ignore"} // and th...
Is there a setting on Google Analytics to suppress use of cookies for users who have not yet given c
...'d wouldn't say 'consult an attorney'. Its probably quicker for a techy to read and understand the guidance than it would take an attorney to learn the nuances of the technicalities.
– JW.
May 30 '12 at 10:21
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