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Double not (!!) operator in PHP
...rrays, etc.) you will get the boolean value TRUE, and for any false value (0, 0.0, NULL, empty strings or empty arrays) you will get the boolean value FALSE.
It is functionally equivalent to a cast to boolean:
return (bool)$row;
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How do I replace the *first instance* of a string in .NET?
...search, string replace)
{
int pos = text.IndexOf(search);
if (pos < 0)
{
return text;
}
return text.Substring(0, pos) + replace + text.Substring(pos + search.Length);
}
Example:
string str = "The brown brown fox jumps over the lazy dog";
str = ReplaceFirst(str, "brown", "quick")...
Can an angular directive pass arguments to functions in expressions specified in the directive's att
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answered Nov 10 '13 at 13:58
ChandermaniChandermani
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How to calculate a Mod b in Casio fx-991ES calculator
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10 Answers
10
Active
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How do I make Git use the editor of my choice for commits?
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answered Apr 8 '10 at 0:34
digitaldreamerdigitaldreamer
43.4k55 gold badges3030 silver badges2828 bronze badges
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JavaScript: Class.method vs. Class.prototype.method
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703
Yes, the first function has no relationship with an object instance of that constructor functio...
Best explanation for languages without null
... let middleLen = match p.MiddleName with
| None -> 0
| Some(s) -> s.Length
p.FirstName.Length + middleLen + p.LastName.Length
with no worries. In contrast, in a language with nullable references for types like string, then assuming
class Person
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Which characters need to be escaped in HTML?
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Jeyekomon
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answered Sep 11 '11 at 23:34
Jeremy Banks says PL...
Erlang's 99.9999999% (nine nines) reliability
Erlang was reported to have been used in production systems for over 20 years with an uptime percentage of 99.9999999%.
4 ...
Design for Facebook authentication in an iOS app that also accesses a secured web service
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I just dealt with this myself, and here's the part that bit me:
In your step 5... It's possible...