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Has reCaptcha been cracked / hacked / OCR'd / defeated / broken? [closed]
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I notice that almost all the answers here relate to the ineffectiveness of the concept of CAPTCHA, in principle - and while I very much agree with them, in fact gave a talk at OWASP a few months ago explaining just that - the question is very spe...
What does the construct x = x || y mean?
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It means the title argument is optional. So if you call the method with no arguments it will use a default value of "Error".
It's shorthand for writing:
if (!title) {
title = "Error";
}
This kind of shorthand trick with boolean expressions is common in Perl too. With the...
Why does Unicorn need to be deployed together with Nginx?
... application servers. They also know how to handle caching and are good at allowing concurrent file downloads while still taking in traffic and passing it to the application servers.
– Pratik
Jan 5 '12 at 9:28
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Algorithm to detect corners of paper sheet in photo
...n are awesome, move to them as soon as possible. :D
Instead of removing small objects and or noise, lower the canny restraints, so it accepts more edges, and then find the largest closed contour (in OpenCV use findcontour() with some simple parameters, I think I used CV_RETR_LIST). might still stru...
Is there a 'box-shadow-color' property?
... That's a great use of variables! Let's hope that they'll be supported in all browsers within the next few years :/
– fregante
Aug 18 '15 at 0:10
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Grepping a huge file (80GB) any way to speed it up?
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Here are a few options:
1) Prefix your grep command with LC_ALL=C to use the C locale instead of UTF-8.
2) Use fgrep because you're searching for a fixed string, not a regular expression.
3) Remove the -i option, if you don't need it.
So your command becomes:
LC_ALL=C fgrep -A 5 -...
SVN: Folder already under version control but not comitting?
...irectory and remove it from your SVN working directory. Remember to delete all .svn hidden directories from the copied folder.
Now update your project, clean-up and commit what has left. Now move your folder back to working directory, add it and commit. Most of the time this workaround works, it se...
Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
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@WouterLievens, overflow is normally an "unusual" condition, if not an outright error condition. It is a result of finite-precision math, which most people are not intuitively expecting to happen when they do math. In some cases, like -1 + 1, it's harmless;...
Visual Studio 2010 isn't building before a run when there are code changes
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Yup this fixed it for me! Just clicked all the checkbox's next to build in the configuration manager. Thanks Tim!
– chaz
Mar 30 '12 at 3:38
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Resizing SVG in html?
..., and one of the things I've heard about the format is that it doesn't get all pixelated when you zoom in on it.
8 Answers
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