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Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
Why would you create a "Implicitly Unwrapped Optional" vs creating just a regular variable or constant?
If you know that it can be successfully unwrapped then why create an optional in the first place?
For example, why is this:
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What are “named tuples” in Python?
...e way slower than dicts if you access their attributes by name: ntuple.foo vs ntuple[1] the latter is much faster. More on it: stackoverflow.com/questions/2646157/…
– Rotareti
Jul 19 '17 at 4:59
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How do I replace NA values with zeros in an R dataframe?
..., forLp_Sbst doesn't seem like a way anyone should consider approaching it vs forLp_smplfSbst
– Frank
Mar 7 '17 at 18:23
1
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What is an undefined reference/unresolved external symbol error and how do I fix it?
...de.
Incorrectly importing/exporting methods/classes across modules/dll. (MSVS specific)
Circular library dependency
undefined reference to `WinMain@16'
Interdependent library order
Multiple source files of the same name
Mistyping or not including the .lib extension when using the #pragma (Microsoft ...
Haskell: Lists, Arrays, Vectors, Sequences
...DIT: Based on comments I realize I never explained when to use Data.Vector vs Data.Sequence. Arrays and Vectors provide extremely fast indexing and slicing operations, but are fundamentally transient (imperative) data structures. Pure functional data structures like Data.Sequence and [] let effici...
Efficiency of purely functional programming
...hen taking a look at benchmarks game performances for functional languages vs. procedural/OO ones.
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Should I use SVN or Git? [closed]
...f an answer I made of some duplicate question since then deleted about Git vs. SVN (September 2009).
Better? Aside from the usual link WhyGitIsBetterThanX, they are different:
one is a Central VCS based on cheap copy for branches and tags
the other (Git) is a distributed VCS based on a graph of re...
Why switch is faster than if
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tableswitch vs loopuswitch: stackoverflow.com/questions/10287700/…
– Ciro Santilli 郝海东冠状病六四事件法轮功
Jun 24 '15 at 16:35
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Pointer expressions: *ptr++, *++ptr and ++*ptr
...H'++? If you said 'I', you've forgotten (already!) our discussion of value vs. side effect with postfix increment. Remember, 'H'++ evaluates to the current value of 'H'. So that first printf() is going to print 'H'. Then, as a side effect, that 'H' is going to be incremented to 'I'. The second print...
What is the use of interface constants?
...14159;
public static final double PLANCK_CONSTANT = 6.62606896e-34;
}
vs
public interface Constants {
double PI = 3.14159;
double PLANCK_CONSTANT = 6.62606896e-34;
}
Same usage. Much less code.
Bad practice?
I think @Pascal Thivent 's answer has the wrong emphasis, here is my version ...