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What's the safest way to iterate through the keys of a Perl hash?
...case each serves as an iterator whereas keys actually generates the entire array before the loop starts.
So, the only place "each" is of real use is when the hash is very large (compared to the memory available). That is only likely to happen when the hash itself doesn't live in memory itself unle...
Which is faster : if (bool) or if(int)?
...r to choose a char type for bool because someone might make a really large array of them.
Update: by "safer", I mean: for the compiler and library implementors. I'm not saying people need to reimplement the system type.
sha...
How can I output the value of an enum class in C++11
...
with
constexpr: allowing me to use an enum member value as compile-time array size
static_assert+is_enum: to 'ensure' compile-time that the function does sth. with enumerations only, as suggested
By the way I'm asking myself: Why should I ever use enum class when I would like to assign number v...
How to remove an element from a list by index
...lly returns ((PyListObject *)op) -> ob_item[i]; - the ith element of an array.
– glglgl
Sep 9 '13 at 7:53
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How to assign from a function which returns more than one value?
...ible (you can have any combination of numbers, strings, vectors, matrices, arrays, lists, objects int he output)
so like:
func2<-function(input) {
a<-input+1
b<-input+2
output<-list(a,b)
return(output)
}
output<-func2(5)
for (i in output) {
print(i)
}
[1] 6
[1] 7
...
Best way to serialize an NSData into a hexadeximal string
...ta:NSData)->String{
if data.length > 0 {
let hexChars = Array("0123456789abcdef".utf8) as [UInt
How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?
...as though using a trie has some extra overhead since it isn't stored as an array but that in terms of run time (assuming the longest key is the longest english word) it can be essentially O(1) (in relation to the upper bound). Maybe the longest english word is 50 characters?
...
Recommended SQL database design for tags or tagging [closed]
...atch job to extract the information.
[1] Some RDBMS even provide a native array type which might be even better suited for storage by not needing a parsing step, but might cause problems with the full text search.
share
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Java Replacing multiple different substring in a string at once (or in the most efficient way)
...hub.com/RokLenarcic/AhoCorasick
https://github.com/hankcs/AhoCorasickDoubleArrayTrie
https://github.com/raymanrt/aho-corasick
https://github.com/ssundaresan/Aho-Corasick
https://github.com/jmhsieh/aho-corasick
https://github.com/quest-oss/Mensa
Papers
Papers and information relating to the algori...
jQuery find parent form
...dd getting by index? '$("input[type=submit]").closest("form");' returns an array of forms.
– sergzach
May 22 '12 at 6:20
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