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How to develop and test an app that sends emails (without filling someone's mailbox with test data)?

...except implemented in java so it works for non-windows developers. http://www.aboutmyip.com/AboutMyXApp/DevNullSmtp.jsp share | improve this answer | follow |...
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Best way to add comments in erb

...oes not work <html> <body> <form method="POST" action="www.some-url.com"> <input id="data" name="data" value="<%=# "String" %>"> <input type="submit" value="Send"> </form> </body> </html> throws an error – E...
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What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?

... a client would type into their address bar to reach your servlet: http://www.example.com:80/awesome-application/path/to/servlet/path/info?a=1&b=2#boo The parts are: scheme: http hostname: www.example.com port: 80 context path: awesome-application servlet path: path/to/servlet path info: pat...
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mongoDB/mongoose: unique if not null

...cumentation with respect to Unique Indexes and Missing Keys here at http://www.mongodb.org/display/DOCS/Indexes#Indexes-UniqueIndexes. // NOTE: Code to executed in mongo console. db.things.ensureIndex({firstname: 1}, {unique: true}); db.things.save({lastname: "Smith"}); // Next operation ...
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$.ajax - dataType

...===== Sample request: POST /search HTTP/1.1 Content-Type: application/x-www-form-urlencoded <<other header>> name=sam&age=35 ============================== The last line above "name=sam&age=35" is the message body and contentType specifies it as application/x-www-form-url...
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Can't update Macports (with Mac OS X Mavericks)

...ate, and resolved it by doing a fresh installation of MacPorts from http://www.macports.org/install.php. Now I can run the selfupdate command without error and install other ports. The error I were seeing was below, it seems the same problem as Yo Sophia has pointed out: $ sudo port selfupdate Pas...
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Disable hover effects on mobile browsers

...freek/24Z5M/. Test the above solution for yourself in this sandbox. http://www.macfreek.nl/memory/Touch_and_mouse_with_hover_effects_in_a_web_browser. This same answer, with a bit more background. https://www.html5rocks.com/en/mobile/touchandmouse/. Great background article on html5rocks.com about t...
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What does PHP keyword 'var' do?

... I quote from http://www.php.net/manual/en/language.oop5.visibility.php Note: The PHP 4 method of declaring a variable with the var keyword is still supported for compatibility reasons (as a synonym for the public keyword). In PHP 5 before 5...
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Best approach for GPGPU/CUDA/OpenCL in Java?

...o technically you can't write kernel code from Java. There is JCUDA http://www.jcuda.de/jcuda/JCuda.html, it provides you with cuda's apis for general memory/device menagement and some Java methods that are implemented in CUDA and JNI wrapped (FFT, some linear algebra methods.. etc etc..). On the ...
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Using ls to list directories and their total sizes

...xr-xr-x 2 root root 4.0K Feb 12 16:43 cgi-bin drwxrws--- 6 root www 20M Feb 18 11:07 document_root drwxr-xr-x 3 root root 1.3M Feb 18 00:18 icons drwxrwsr-x 2 localusr www 8.0K Dec 27 01:23 passwd ...