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Retina displays, high-res background images

...wer, here is the retina detection query I tend to use: @media only screen and (-webkit-min-device-pixel-ratio: 2), only screen and ( min--moz-device-pixel-ratio: 2), only screen and ( -o-min-device-pixel-ratio: 2/1), only screen and ( min-device-pixel-ratio: 2), only screen and ( ...
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Stored procedure slow when called from web, fast from Management Studio

...in the past, so I'm eager to see a resolution to this question. Aaron Bertrand's comment on the OP led to Query times out when executed from web, but super-fast when executed from SSMS, and while the question is not a duplicate, the answer may very well apply to your situation. In essence, it sound...
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How does one write code that best utilizes the CPU cache to improve performance?

...aiting for a memory request to be fulfilled (avoiding the memory latency), and as a second effect, possibly to reduce the overall amount of data that needs to be transfered (preserving memory bandwidth). Techniques for avoiding suffering from memory fetch latency is typically the first thing to con...
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Replacing H1 text with a logo image: best method for SEO and accessibility?

...o.png" alt="Stack Overflow" /> </a> </h1> title in href and img to h1 is very, very important! share | improve this answer | follow | ...
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Tuples( or arrays ) as Dictionary keys in C#

...alues to one string. I tried using arrays as keys, but that did not work, and I don't know what else to do. At this point I am considering making a Dictionary of Dictionaries of Dictionaries, but that would probably not be very pretty to look at, though it is how I would do it in javascript. ...
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What's the difference between “groups” and “captures” in .NET regular expressions?

I'm a little fuzzy on what the difference between a "group" and a "capture" are when it comes to .NET's regular expression language. Consider the following C# code: ...
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How to preventDefault on anchor tags?

...ATE: I've since changed my mind on this solution. After more development and time spent working on this, I believe a better solution to this problem is to do the following: <a ng-click="myFunction()">Click Here</a> And then update your css to have an extra rule: a[ng-click]{ cu...
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What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)?

... properly). Use the second option if you need to ensure data consistency, and each thread needs to have an up-to-date view of the map. Use the first if performance is critical, and each thread only inserts data to the map, with reads happening less frequently. ...
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Script entire database SQL-Server

Is there a way I can get a scripting of all tables, procs, and other objects from a database? I know there's an option to script the database but it only gave me some sort of top level script, certainly not a script to create all tables, procs, udfs, .etc. ...
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CSS: Control space between bullet and

... @Wolle Hmmm. It's an old comment, and I'm not sure of the concern -- If it's as to whether <SPAN> can utilize id or class tags, take a look at W3C. If the question is whether it can convey semantic meaning, see this answer. Technically, the <SPAN>...