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Base64 length calculation?
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217
Each character is used to represent 6 bits (log2(64) = 6).
Therefore 4 chars are used to rep...
Does a `+` in a URL scheme/host/path represent a space?
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Andrew Tobilko
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answered Jun 17 '09 at 9:43
StoborStobor
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Counting DISTINCT over multiple columns
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edited Jul 27 '16 at 19:18
Devil's Advocate
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Difference between == and ===
...ame are equal or not.
let person1 = Person(ssn: 5, name: "Bob")
let person2 = Person(ssn: 5, name: "Bob")
if person1 == person2 {
print("the two instances are equal!")
}
Although person1 and person2 references point two different instances in Heap area, their instances are equal because their...
How can I use swift in Terminal?
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edited Oct 21 '14 at 15:25
answered Jun 3 '14 at 9:34
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How do lexical closures work?
... return func
flist.append(funcC(i))
for f in flist:
print f(2)
This is what happens when you mix side effects and functional programming.
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How to create a HashMap with two keys (Key-Pair, Value)?
I have a 2D array of Integers. I want them to be put into a HashMap. But I want to access the elements from the HashMap based on Array Index. Something like:
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Regular expression to match a line that doesn't contain a word
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How do I clear only a few specific objects from the workspace?
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250
You'll find the answer by typing ?rm
rm(data_1, data_2, data_3)
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how to provide a swap function for my class?
...d void swap(Bar& lhs, Bar& rhs) {
// ....
}
};
// version 2
class Bar{
public:
void swap(Bar& other) {
// ...
}
};
void swap(Bar& lhs, Bar& rhs) {
lhs.swap(rhs);
}
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You mean an explicit specialization. Partial is still something else and also not p...