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Do AJAX requests retain PHP Session info?

If I had a user logged onto my site, having his id stored in $_SESSION , and from his browser he clicked a 'Save' button which would make an AJAX request to the server. Will his $_SESSION and cookies be retained in this request, and can I safely rely on the id being present in the $_SESSION ? ...
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How do I parse a URL query parameters, in Javascript? [duplicate]

...@cmfolio) array parameters (@user2368055) proper use of decodeURIComponent and non-encoded = (@AndrewF) non-encoded + (added by me) For further details, see MDN article and RFC 3986. Maybe this should go to codereview SE, but here is safer and regexp-free code: function getJsonFromUrl(url) { i...
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Frame Buster Buster … buster code needed

...create a div element that covers the whole page (modal box) with a message and a link like... You are viewing this page in a unauthorized frame window - (Blah blah... potential security issue) click this link to fix this problem Not the best, but I don't see any way they could script their way out...
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How to select lines between two marker patterns which may occur multiple times with awk/sed

... if flag is equal 1 the line is printed. For a more detailed description and examples, together with cases when the patterns are either shown or not, see How to select lines between two patterns?. share | ...
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Default behavior of “git push” without a branch specified

I use the following command to push to my remote branch: 12 Answers 12 ...
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while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?

...hat the compiler would generate the same byte code for while(True): pass and while(1): pass , but this is actually not the case in python2.7. ...
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The best way to remove duplicate values from NSMutableArray in Objective-C?

...wrote the answer below in 2009; in 2011, Apple added NSOrderedSet to iOS 5 and Mac OS X 10.7. What had been an algorithm is now two lines of code: NSOrderedSet *orderedSet = [NSOrderedSet orderedSetWithArray:yourArray]; NSArray *arrayWithoutDuplicates = [orderedSet array]; If you are worried ab...
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Rails: How can I set default values in ActiveRecord?

...st this case like so: self.number ||= 0.0 if self.has_attribute? :number and for a boolean column... self.bool_field = true if (self.has_attribute? :bool_value) && self.bool_field.nil? Also note that the syntax is different prior to Rails 3.2 (see Cliff Darling's comment below) ...
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Space between two rows in a table?

...class spaceUnder. This will make it possible to use nested tables. (Cell C and D in the example code.) I'm not too sure about browser support for the direct child selector (think IE 6), but it shouldn't break the code in any modern browsers. /* Apply padding to td elements that are direct child...
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Assign variable in if condition statement, good practice or not? [closed]

...ng whatever the value evaluates to be after the assignment. Is this understanding right? – Michael Mao Apr 5 '10 at 2:10 ...