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What is the most accurate way to retrieve a user's correct IP address in PHP?

...and anonymous proxy servers is just something I'll have to deal with for a select group of individuals. – Corey Ballou Oct 28 '09 at 10:04 ...
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Custom attributes - Yea or nay?

...t known. For example, if it is some kind of integer id, we can't very well select for every possible case. We are then left to parse the class attribute manually which is definitely workable, but not as clear in the code, and in some cases, could be very slow (if there are a lot of candidate element...
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Why does C# not provide the C++ style 'friend' keyword? [closed]

...ly. Typically, a designer desires to expose only a few private methods to selected few other classes. For example, in a class factory pattern it may be desired that class C1 is instantiated only by class factory CF1. Therefore class C1 may have a protected constructor and a friend class factory C...
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Detach many subdirectories into a new, separate Git repository

...sadjad, No idea, to be honest. The central point of the manual merge is to select the directories to form the new repo and keep their commit histories. I am not sure how to handle such situation where a commit put files into dirA, dirB, dirDrop and only dirA and dirB are chosen for the new repo, how...
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Sanitizing strings to make them URL and filename safe?

...OU echo normal_chars('üÿÄËÏÖÜŸåÅ'); // uyAEIOUYaA Based on the selected answer in this thread: URL Friendly Username in PHP? share | improve this answer | follow ...
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How To Create Table with Identity Column

...ues ('NULL','address2') insert into teppp ( addresss) values ('address3') select * from teppp null string , address1 NULL,address2 NULL,address3 If you try inserting same values as below: insert into teppp ( name,addresss) values ('','address4') insert into teppp ( name,addresss) values ('NULL',...
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When to use ' (or quote) in Lisp?

...WITH-STRING (LENGTH STRING)) Hey! That's not what we wanted. We want to selectively evaluate some arguments, and leave the others as symbols. Try #2! (defun mess-with (number string) (list 'value-of-number (1+ number) 'something-with-string (length string))) Lisp> (mess-with 20 "foo") (VAL...
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What is the difference between Serializable and Externalizable in Java?

... We used Externalizable for large collections of "selected IDs" -- it was far more efficient externalizing as more-or-less a count & an array of primitive ints, than default serialization. That's a very simple usecase, nothing "special" or "unique". ...
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Setting design time DataContext on a Window is giving a compiler error?

...w, where you can then scroll down to the ViewModel property, expand it and select the item that you want to bind to. When you do all that, the VS designer will create a Binding statement whose path is relative to the View, i.e. it happens to be exactly the same as the path that x:Bind expects. So,...
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Spring @Transactional - isolation, propagation

...ion. I think if you understand the dirty reads concept you will be able to select a good option. Example of when a dirty read can occur: thread 1 thread 2 | | write(x) | | | | read(x) | | rollback | v v...