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Regular expression that matches valid IPv6 addresses
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I was unable to get @Factor Mystic's answer to work with POSIX regular expressions, so I wrote one that works with POSIX regular expressions and PERL regular expressions.
It should match:
IPv6 addresses
zero compressed IPv6 addresses (section 2.2 of ...
Declaring variables inside or outside of a loop
...end of it, so there is no possibility to optimize there.
EDIT: (injecting my comment below in the answer)
In any case, the right way to do things is to write all your code properly, establish a performance requirement for your product, measure your final product against this requirement, and if it...
What is the difference between UTF-8 and Unicode?
...consortium web site and in particular the tutorials section
Joel's article
My own article (.NET-oriented)
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Cannot refer to a non-final variable inside an inner class defined in a different method
... variables and use them in a normal fashion
or:
There is a quick (and in my opinion ugly) hack for your lastPrice and price variable which is to declare it like so
final double lastPrice[1];
final double price[1];
and in your anonymous class you can set the value like this
price[0] = priceObje...
Best way to work with dates in Android SQLite [closed]
I'm having some trouble working with dates on my Android application that uses SQLite.
I have a couple questions:
9 Answers...
Does JavaScript have “Short-circuit” evaluation?
...n't be a Short-circuit with that logic operator. Just try it yourself. Use my demo.
– gdoron is supporting Monica
Sep 23 '12 at 17:50
2
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What characters are valid for JavaScript variable names?
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To quote Valid JavaScript variable names, my write-up summarizing the relevant spec sections:
An identifier must start with $, _, or any character in the Unicode categories “Uppercase letter (Lu)”, “Lowercase letter (Ll)”, “Titlecase letter (Lt)”, “...
How can I get query string values in JavaScript?
...port.
const urlParams = new URLSearchParams(window.location.search);
const myParam = urlParams.get('myParam');
PS
Unfortunately URLSearchParams don't properly parse query strings with string keyed values.
You might want to try locutus/parse_str
console.log(new URLSearchParams('a=b&c=d').toStrin...
Difference between / and /* in servlet mapping url pattern
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The error message was from tomcat, not my IDE; however, I'm using Tomcat 6, so that's probably the issue ;)
– slim
Jan 19 '16 at 16:11
2
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Why must we define both == and != in C#?
...perator, not the inequality:
module Module1
type Foo() =
let mutable myInternalValue = 0
member this.Prop
with get () = myInternalValue
and set (value) = myInternalValue <- value
static member op_Equality (left : Foo, right : Foo) = left.Prop = right.Prop
//stat...