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How do you know when to use fold-left and when to use fold-right?
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Best answer I've ever seen related to the difference between folds.
– AleXoundOS
Jan 16 '19 at 15:01
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What's Pros and Cons: putting javascript in head and putting just before the body close
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From Yahoo's Best Practices for Speeding Up Your Web Site:
The problem caused by scripts is that
they block parallel downloads. The
HTTP/1.1 specification suggests that
browsers download no more than two
components in parallel...
“To Do” list before publishing Android app to market [closed]
...of any audio as much as possible. Going for mono OGG Vorbis files is often best, and sounds plenty good enough on a phone.
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Does functional programming replace GoF design patterns?
...thing in FP languages. But they exist. Functional languages have plenty of best practice rules of the form "when you encounter problem X, use code that looks like Y", which is basically what a design pattern is.
However, it's correct that most OOP-specific design patterns are pretty much irrelevant...
String, StringBuffer, and StringBuilder
...pacity;
}
value = Arrays.copyOf(value, newCapacity);
}
A best practice is to initialize the StringBuilder/Buffer a little bit larger than you think you are going to need if you don't know right off hand how big the String will be but you can guess. One allocation of slightly more m...
How to find Unused Amazon EC2 Security groups
...ances and Elastic Load Balancers (ELBs) often refer to each other. It’s best practice to do some manual investigation to ensure they are truly not in use prior to removing the cross references and deleting the security groups. But my script at least pares this down to something mor manageable.
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CSS: fixed position on x-axis but not y?
...dth:100vw and height:100vh.
Middle click on the example to test it. Works best on mobile because you dont see the scroll bars.
body{max-width:100%}
*{box-sizing:border-box;}
.container{background:#ddd;overflow-y:scroll;width:500px;max-height:100vh;}
.header{background: pink;}
.body{backgro...
Named Branches vs Multiple Repositories
...lus ancestor changesets on earlier branches that were merged).
This setup best fits the linux kernel commit model of single puller (doesn't it feel good to act like Lord Linus. At our company we call the role integrator), as the main repo is the only thing that developers need to clone and the pull...
What's the difference between the atomic and nonatomic attributes?
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The best way to understand the difference is using the following example.
Suppose there is an atomic string property called "name", and if you call [self setName:@"A"] from thread A, call [self setName:@"B"] from thread B, and ...
Pass arguments to Constructor in VBA
...to identifier) as a declared local variable is misleading and confusing at best, not "nicer" (looks like a recursive call, doesn't it?). If you want terser syntax, leverage module attributes as illustrated in my answer. As a bonus you lose that Single-Responsibility-Principle-takes-a-beating "factor...