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Intercept page exit event
When editing a page within my system, a user might decide to navigate to another website and in doing so could lose all the edits they have not saved.
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Why does Internet Explorer not send HTTP post body on Ajax call after failure?
We are able to reliably recreate the following scenario:
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What's the difference between findAndModify and update in MongoDB?
I'm a little bit confused by the findAndModify method in MongoDB. What's the advantage of it over the update method? For me, it seems that it just returns the item first and then updates it. But why do I need to return the item first? I read the MongoDB: the definitive guide and it says that i...
Argparse: Way to include default values in '--help'?
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How to copy an object in Objective-C
I need to deep copy a custom object that has objects of its own. I've been reading around and am a bit confused as to how to inherit NSCopying and how to use NSCopyObject.
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How to revert a Git Submodule pointer to the commit stored in the containing repository?
...nd it, the main repo stores a SHA value (somewhere...), pointing to the specific commit of the submodule that it is "linked to".
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HTML5shiv vs Dean Edwards IE7-js vs Modernizr - which to choose?
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Regular expression matching a multiline block of text
I'm having a bit of trouble getting a Python regex to work when matching against text that spans multiple lines. The example text is ('\n' is a newline)
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Better way of getting time in milliseconds in javascript?
Is there an alternative in JavaScript of getting time in milliseconds using the date object, or at least a way to reuse that object, without having to instantiate a new object every time I need to get this value? I am asking this because I am trying to make a simple game engine in JavaScript, and wh...
Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
I'm developing an app on Heroku with a Postgresql backend. Periodically, I get this error message when trying to access the database, both from the CLI and from loading a page on the server:
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