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Fluid width with equally spaced DIVs

... See: http://jsfiddle.net/thirtydot/EDp8R/ This works in IE6+ and all modern browsers! I've halved your requested dimensions just to make it easier to work with. text-align: justify combined with .stretch is what's handling the positioning. display:inline-block; *display:inline; zoom:1 fixe...
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been

...; Notes: Set the 'src' last, to guarantee that your onload handler is called on all platforms, even if the image is already in the cache. Wrap changes to stuff like globalAlpha between a save and restore (in fact use them lots), to make sure you don't clobber settings from elsewhere, particularl...
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Invoking a jQuery function after .each() has completed

In jQuery, is it possible to invoke a callback or trigger an event after an invocation of .each() (or any other type of iterative callback) has completed . ...
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Listing all extras of an Intent

For debugging reasons I want to list all extras (and their values) of an Intent. Now, getting the keys isn't a problem 12 A...
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What's to stop malicious code from spoofing the “Origin” header to exploit CORS?

...header Origin: http://foo.com , and bar must respond with Access-Control-Allow-Origin: http://foo.com . 3 Answers ...
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What is the significance of load factor in HashMap?

...ble is created. The load factor is a measure of how full the hash table is allowed to get before its capacity is automatically increased. When the number of entries in the hash table exceeds the product of the load factor and the current capacity, the hash table is rehashed (that is, internal data s...
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How to use UIScrollView in Storyboard

I have a scroll view with content that is 1000px tall and would like to be able to lay it out for easy design on the storyboard. I know it can be done programmatically but I really want to be able to see it visually. Every time I put a scroll view on a view controller it won't scroll. Is it possib...
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Why doesn't java.lang.Number implement Comparable? [duplicate]

...2 += 0.1d; } System.out.println(d2 - d1); and you'll be left with some small difference. So back to the issue of making Number Comparable. How would you implement it? Using something like doubleValue() wouldn't do it reliably. Remember the Number subtypes are: Byte; Short; Integer; Long; Ato...
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Converting an array of objects to ActiveRecord::Relation

I have an array of objects, let's call it an Indicator . I want to run Indicator class methods (those of the def self.subjects variety, scopes, etc) on this array. The only way I know to run class methods on a group of objects is to have them be an ActiveRecord::Relation. So I end up resorting to...
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Why would someone use WHERE 1=1 AND in a SQL clause?

...out whether you have one or more than one condition. You can generate them all like: and <condition> and concatenate them all together. With the 1=1 at the start, the initial and has something to associate with. I've never seen this used for any kind of injection protection, as you say it ...