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How do I modify the URL without reloading the page?
...mage gallery (where you want the back button to return back to the gallery index page instead of moving back through each and every image you viewed) whilst giving each image its own unique url.
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Download multiple files as a zip-file using php
How can I download multiple files as a zip-file using php?
4 Answers
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Create JSON-object the correct way
I am trying to create an JSON object out of a PHP array. The array looks like this:
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JSON encode MySQL results
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This code erroneously encodes all numeric values as strings. For example, a mySQL numeric field called score would have a JSON value of "12" instead of 12 (notice the quotes).
– Theo
Sep 25 '11 at 18:48
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jQuery: serialize() form and other parameters
...onment, then none of these answers should be used. The form should contain all information (in hidden fields if necessary) so that it can be serialised in a single call. This way if JS is disabled or fails, the form submission should still have a failsafe and include all data when sent.
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ActionController::InvalidAuthenticityToken
...ich do caching.
As @toobulkeh commented this is not a vulnerability on :index, :show actions, but beware using this on :put, :post actions.
For example:
caches_page :index, :show
skip_before_filter :verify_authenticity_token, :only => [:index, :show]
Reference: http://api.rubyonrails.o...
Compare floats in php
I want to compare two floats in PHP, like in this sample code:
16 Answers
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What is the point of interfaces in PHP?
Interfaces allow you to create code which defines the methods of classes that implement it. You cannot however add any code to those methods.
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In mongoDb, how do you remove an array element by its index?
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There is no straight way of pulling/removing by array index. In fact, this is an open issue http://jira.mongodb.org/browse/SERVER-1014 , you may vote for it.
The workaround is using $unset and then $pull:
db.lists.update({}, {$unset : {"interests.3" : 1 }})
db.lists.update({...
“Single-page” JS websites and SEO
...ngine crawler or a user with JavaScript enabled, should all be able to use/index/understand your site's core functionality without issue.
pushState does not add to this burden, in my experience. It only brings what used to be an afterthought and "if we have time" to the forefront of web developmen...