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Why shouldn't all functions be async by default?

...eason to make all methods async if they are not needed to - extensibility. Selective making methods async only works if your code never evolves and you know that method A() is always CPU-bound (you keep it sync) and method B() is always I/O bound (you mark it async). But what if things change? Yes,...
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How can I provide multiple conditions for data trigger in WPF?

...he user picks a wrong answer it becomes disabled (dimmed out and cannot be selected again). An automated agent has the ability to focus on any particular choice to give an explanation (border highlighted). When the agent focuses on an item, it should not be dimmed out even if it is disabled. All ite...
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What's the difference between => , ()=>, and Unit=>

... Four years later and I realize that the answer I selected only answered the question in the title, not the one I actually had (which this one does answer). – Malvolio Apr 11 '15 at 7:14 ...
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Callback functions in C++

... for jumping, the engine can call game_core_instance.update_keybind(newly_selected_key, &player_jump); and thus change the behaviour of a call to key_pressed (which the calls player_jump) once this button is pressed the next time ingame. What are callables in C++(11)? See C++ concepts: Call...
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What is Node.js? [closed]

...de-facto standard for client-side user interface. jQuery provides CSS-like selectors to 'query' for sets of DOM elements that can then be operated on (set handlers, properties, styles, etc). Along the same vein, Twitter's Bootstrap CSS framework, Backbone.js for an MVC pattern, and Browserify.js to ...
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Call a Server-side Method on a Resource in a RESTful Way

...the output of a POST-activated script to redirect the user agent to a selected resource. If the task is asynchronous, a bark subresource is needed just like the 1.2 situation and the 303 should be returned at a GET .../barks/Y when the task is complete. 3. bark creates a new "bark" record ...
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When to use , tag files, composite components and/or custom components?

...ent which represents a single java.util.Date property by 3 dependent <h:selectOneMenu> components, or a component which combines <p:fileUpload> and <p:imageCropper> into a single <my:uploadAndCropImage> referring a single custom com.example.Image entity as property. Examples:...
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How do I replace NA values with zeros in an R dataframe?

... mutate(myCol1 = if_else(is.na(myCol1), 0, myCol1)) Note: This works per selected column, if we need to do this for all column, see @reidjax's answer using mutate_each. share | improve this answer...
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What are the underlying data structures used for Redis?

...m-ish unique users") or with replacement ("give me 7 cards, but after each selection, put the card back so it can potentially be sampled again"). For all possible operations on sets, see the sets docs. Sorted Sets Redis sorted sets are sets with a user-defined ordering. For simplicity, you can think...
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What is the smallest possible valid PDF?

... This will not work, you need to define a font resource and select it inside the page content for the text to show up. – yms Aug 21 '15 at 20:36 ...