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Fast way to get image dimensions (not filesize)

I'm looking for a fast way to get the height and width of an image in pixels. It should handle at least JPG, PNG and TIFF, but the more the better. I emphasize fast because my images are quite big (up to 250 MB) and it takes soooo long to get the size with ImageMagick's identify because it obv...
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Tools to search for strings inside files without indexing [closed]

...as excellent search and replace capabilities across files. It is extremely fast, supports regex and live preview before replacement. share | improve this answer | follow ...
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Most efficient way to create a zero filled JavaScript array?

...ill. It can be used like this: new Array(len).fill(0); Not sure if it's fast, but I like it because it's short and self-describing. It's still not in IE (check compatibility), but there's a polyfill available. share ...
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Fast and responsive interactive charts/graphs: SVG, Canvas, other?

...han adequate. For semantic zooming, you'll notice that D3 is significantly faster than Protovis. This is because it's doing a lot less work for each zoom event. (The Protovis version has to recalculate all attributes on all elements.) The Canvas-based semantic zooming is a bit more zippy than SVG, b...
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Stored procedure slow when called from web, fast from Management Studio

...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 sounds like SQL Server may have a corrupt cached execution plan. You're hitting the ba...
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Change how fast “title” attribute's tooltip appears

Is there a way to change how fast the tooltip from an element's "title" attribute? I'd like it if the tooltip appeared immediately, but it seems to take a few seconds to apear. ...
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Seeding the random number generator in Javascript

... I've implemented a number of good, short and fast Pseudorandom number generator (PRNG) functions in plain JavaScript. All of them can be seeded and provide good quality numbers. First of all, take care to initialize your PRNGs properly. Most of the generators below hav...
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Memcached vs. Redis? [closed]

... use Redis. Memcached vs Redis: Direct Comparison Both tools are powerful, fast, in-memory data stores that are useful as a cache. Both can help speed up your application by caching database results, HTML fragments, or anything else that might be expensive to generate. Points to Consider When used f...
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How does grep run so fast?

... I use GREP for it and it executes in a matter of seconds, it is blazingly faster than java code that I used to write.(according to my experience I might be wrong though) ...
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HTML for the Pause symbol in audio and video control

... 23CF ⏏︎ Eject media User interface symbols 23E9 ⏩︎ fast forward 23EA ⏪︎ rewind, fast backwards 23EB ⏫︎ fast increase 23EC ⏬︎ fast decrease 23ED ⏭︎ skip to end, next 23EE ⏮︎ skip to start, previous 23EF ⏯︎ play/pause toggle 23F1 ⏱...