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Which parts of Real World Haskell are now obsolete or considered bad practice?
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Main issue of RWH
It's old. RWH was written at a time version 6.8 of GHC was being used. 6.8 used base version 3.0.x.x. 6.10.1 already used 4.0.0.0, which introduced many changes. And that's just the jump from 6.8 to 6.10. The current version of GHC is 7.10. Monads have been ...
How and when to use ‘async’ and ‘await’
...chine in the background.
Here's an example on which I hope I can explain some of the high-level details that are going on:
public async Task MyMethodAsync()
{
Task<int> longRunningTask = LongRunningOperationAsync();
// independent work which doesn't need the result of LongRunningOperat...
When to use next() and return next() in Node.js
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Some people always write return next() is to ensure that the execution stops after triggering the callback.
If you don't do it, you risk triggering the callback a second time later, which usually has devastating results. Your ...
Which CheckedListBox event triggers after a item is checked?
...emptied: there's just one item checked, and it's being unchecked at this moment
...
else
// The collection will not be empty once this click is handled
...
}
share
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imp...
In HTML5, should the main navigation be inside or outside the element?
... be used either inside or outside the page's masthead <header> element. For websites having both secondary and main navigation, it seems common to include the secondary navigation as a <nav> element inside the masthead <header> element with the main navigation as a <nav&...
How does LMAX's disruptor pattern work?
...erstand there is a ring buffer involved, that it is initialized as an extremely large array to take advantage of cache locality, eliminate allocation of new memory.
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How to make a HTML Page in A4 paper size page(s)?
...le/boom
Here's an excerpt of that article:
CSS2 has a notion of paged media (think sheets of paper), as opposed to continuous media (think scrollbars). Style sheets can set the size of pages and their margins. Page templates can be given names and elements can state which named page they want t...
Comparing Java enum members: == or equals()?
...compiled to classes with private constructors and a bunch of public static members. When comparing two members of a given enum, I've always used .equals() , e.g.
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Load view from an external xib file in storyboard
...ovide a summary below.
Layout
Add a .swift and .xib file each with the same name to your project. The .xib file contains your custom view layout (using auto layout constraints preferably).
Make the swift file the xib file's owner.
Code
Add the following code to the .swift file and hook up the...
How can I respond to the width of an auto-sized DOM element in React?
...
The most practical solution is to use a library for this like react-measure.
Update: there is now a custom hook for resize detection (which I have not tried personally): react-resize-aware. Being a custom hook, it looks more convenient to use than react-measure.
import * as React from 'rea...