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How to get client's IP address using JavaScript?

...gs simpler). Below are all the free active IP lookup services I could find and the information they return. If you know of any more, then please add a comment and I'll update this answer. Cloudflare Try it: https://www.cloudflare.com/cdn-cgi/trace // If your site is on Cloudflare, then you can use ...
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rails simple_form - hidden field - create?

...html => { :value => "some value" } – Linus Oleander Mar 20 '11 at 21:14 5 This is the simp...
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Replace all non-alphanumeric characters in a string

I have a string with which i want to replace any character that isn't a standard character or number such as (a-z or 0-9) with an asterisk. For example, "h^&ell`.,|o w]{+orld" is replaced with "h*ell*o*w*orld". Note that multiple characters such as "^&" get replaced with one asterisk. How would I go...
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Numeric for loop in Django templates

... a simple technique that works nicely for small cases with no special tags and no additional context. Sometimes this comes in handy {% for i in '0123456789'|make_list %} {{ forloop.counter }} {% endfor %} share ...
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Which characters make a URL invalid?

...s above: /^[!#$&-;=?-[]_a-z~]+$/ – Leif Wickland Oct 7 '11 at 17:01 44 ...
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Location Manager Error : (KCLErrorDomain error 0)

... I still had to "Reset Content and Settings" to get the delegate to call didUpdate instead of didFail after setting a default location in the scheme editor. Then it worked fine. – owenfi Sep 9 '15 at 21:26 ...
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SqlException from Entity Framework - New transaction is not allowed because there are other threads

...eadache too. I almost fell off my chair when I found the problem! I understand the technical reasons behind the problem, but this isn't intuitive and it isn't helping the developer to fall into the "pit of success" blogs.msdn.com/brada/archive/2003/10/02/50420.aspx – Doctor Jon...
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How to add additional fields to form before submit?

Is there a way to use javascript and JQuery to add some additional fields to be sent from a HTTP form using POST? 6 Answers...
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Is it safe to delete an object property while iterating over them?

... The ECMAScript 5.1 standard section 12.6.4 (on for-in loops) says: Properties of the object being enumerated may be deleted during enumeration. If a property that has not yet been visited during enumeration is deleted, then it will not be ...
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ERROR 1396 (HY000): Operation CREATE USER failed for 'jack'@'localhost'

... I had found this suggestion and tried it earlier without success, but perhaps something else was wrong. Trying it just now again, then re-creating the situation with another user, I found that this did in fact do the trick. Of course, the formal answer ...