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What is a servicebus and when do I need one?
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What is “2's Complement”?
...er that doesn't have an inverse. But what do we do about this? Do we just set the overflow flag if someone tries to invert it?
– NH.
Jul 12 '17 at 19:56
...
How to match all occurrences of a regex
...>]
The benefit of using MatchData is that you can use methods like offset:
match_datas = str.to_enum(:scan, /\d+/).map { Regexp.last_match }
match_datas[0].offset(0)
#=> [2, 4]
match_datas[1].offset(0)
#=> [7, 8]
See these questions if you'd like to know more:
"How do I get the match...
.NET 4.0 has a new GAC, why?
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Fastest check if row exists in PostgreSQL
... that you're about to insert.
The above query will return either an empty set or a single row, depending on whether there are records with the given userid.
If this turns out to be too slow, you could look into creating an index on tbl.userid.
if even a single row from batch exists in table, i...
How to loop through array in jQuery?
...within the function, B) Pass it as a second argument to forEach so forEach sets it as this during the callback, or C) Use an ES2015+ arrow function, which closes over this. If you don't do one of those things, in the callback this will be undefined (in strict mode) or the global object (window) in l...
Can HTML be embedded inside PHP “if” statement?
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How to check if variable's type matches Type stored in a variable
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dealloc in Swift
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What is a “first chance exception”?
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