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What is PostgreSQL explain telling me exactly?
...ood technical documentation. A video of the talk might be helpful, but the information density of that slide deck is very close to zero. In the first six slides (1/5th of the total), there is exactly 1 sentence of technical content: "• EXPLAIN works on any DML not just SELECT (ie UPDATE, DELETE, a...
How do I convert a Ruby class name to a underscore-delimited symbol?
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@amoebe - thanks for the info. Depends on what your working on though - you may not be working on a rails app (or even a web app).
– Louis Sayers
Sep 29 '15 at 20:14
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What is an SDL renderer?
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SDL_Window
SDL_Window is the struct that holds all info about the Window itself: size, position, full screen, borders etc.
SDL_Renderer
SDL_Renderer is a struct that handles all rendering. It is tied to a SDL_Window so it can only render within that SDL_Window. It also ke...
Is the practice of returning a C++ reference variable evil?
...nja@ About the "No"-s I don't care. but this post pointed out an important info which was missing from GMan.
– Kobor42
May 25 '13 at 20:17
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How to compare arrays in JavaScript?
...jects by reference, functions by reference. See the MDN reference for more info about the comparison operators).
UPDATE
From what I read from the comments, sorting the array and comparing may give accurate result:
const array2Sorted = array2.slice().sort();
array1.length === array2.length &&...
Dynamically load JS inside JS [duplicate]
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can you provide some info on when it's buggy?
– user151496
Feb 16 '16 at 12:14
3
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How to not run an example using roxygen2?
...n your documentation, but won't get tested with the R CMD Check.
For more info --> ?example
#' @example
\donttest{
2^2
}
This 2^2 won't get run when you run devtools::check()
Do check it yourself before judging. :)
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Android update activity UI from service
...time. If there is new task, I want to refresh the activity UI to show that info.
I did find https://github.com/commonsguy/cw-andtutorials/tree/master/18-LocalService/ this example. Is that a good approch ? Any other examples?
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What's the difference between Html.Label, Html.LabelFor and Html.LabelForModel
...el. If your view implements a model then you can use the 2nd method.
More info please visit below link
http://weblogs.asp.net/scottgu/archive/2010/01/10/asp-net-mvc-2-strongly-typed-html-helpers.aspx
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What's the best way to get the current URL in Spring MVC?
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Ok, I know what you mean and added the info you need to access the current request without passing it around.
– Daff
Sep 29 '09 at 8:06
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