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Tainted canvases may not be exported

... likely on your local drive!). While testing try these workarounds: Put all page related files (.html, .jpg, .js, .css, etc) on your desktop (not in sub-folders). Post your images to a site that supports cross-domain sharing (like dropbox.com). Be sure you put your images in dropbox's public fol...
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How to know when UITableView did scroll to bottom in iPhone

...st way is to test a point at the bottom of the screen and use this method call when ever the user scrolls (scrollViewDidScroll): - (NSIndexPath *)indexPathForRowAtPoint:(CGPoint)point Test a point near the bottom of the screen, and then using the indexPath it returns check if that indexPath is th...
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Measure and Benchmark Time for Ruby Methods

... | edited Jul 10 '12 at 12:53 answered Jul 10 '12 at 4:10 ...
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MySQL pagination without double-querying?

... help a lot. The other way is to use SQL_CALC_FOUND_ROWS clause and then call SELECT FOUND_ROWS(). apart from the fact you have to put the FOUND_ROWS() call afterwards, there is a problem with this: There is a bug in MySQL that this tickles that affects ORDER BY queries making it much slower on lar...
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What would cause an algorithm to have O(log n) complexity?

...er dividing n in half i times we'll have a value that is at most 1. The smallest i for which this is guaranteed is roughly log2 n, so if we have an algorithm that divides by 2 until the number gets sufficiently small, then we can say that it terminates in O(log n) steps. An important detail is tha...
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How to capture Curl output to a file?

...if an old one exists). curl -K myconfig.txt >> output.txt Appends all output you receive to the specified file. Note: The -K is optional. share | improve this answer | ...
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Most popular screen sizes/resolutions on Android phones [closed]

... Here is a list of almost all resolutions of tablets, with the most common ones in bold : 2560X1600 1366X768 1920X1200 1280X800 1280X768 1024X800 1024X768 1024X600 960X640 960X540 854X480 800X600 800X480 800X400 Happy designing .. ! :) ...
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How to improve Netbeans performance?

...pace and 50-80% CPU. Then I decided do some clean up. I had 30 plugins installed, and I was not using most of them. So, I disabled the plugins I was not using, a whopping 19 plug ins I disabled. now memory uses down to 400+ MiB and CPU uses down to 10 and at max to 50%. Now my life is much easier...
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How to avoid “Permission denied” when using pip with virtualenv

... 106 virtualenv permission problems might occur when you create the virtualenv as sudo and then ope...
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How to find all positions of the maximum value in a list?

...that tracks the current max and its position might be more efficient for really long lists. – radtek Jan 8 '15 at 18:42 1 ...