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SSH configuration: override the default username [closed]

... User buck The second example will set a username and is hostname specific, while the first example sets a username only. And when you use the second one you don't need to use ssh example.net; ssh example will be enough. ...
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Database design for a survey [closed]

...ondering what would be the best way to implement this in the database, specifically the tables required. The survey contains different types of questions. For example: text fields for comments, multiple choice questions, and possibly questions that could contain more than one answer (i.e. check all ...
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How to compare two colors for similarity/difference

...hat I don't know how to do that manually step by step. So it is even more difficult to think of a program. 19 Answers ...
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How can I install a local gem?

If I download a .gem file to a folder in my computer, can I install it later using gem install ? 9 Answers ...
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How to change the Eclipse default workspace?

... If you mean "change workspace" go to File -> Switch Workspace share | improve this answer | foll...
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How do I echo and send console output to a file in a bat script?

...rect one of the ten streams with > file or < file It is unimportant, if the redirection is before or after the command, so these two lines are nearly the same. dir > file.txt > file.txt dir The redirection in this example is only a shortcut for 1>, this means the stream 1 (STDOUT) ...
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Catch checked change event of a checkbox

...ype="checkbox" id="something" /> $("#something").click( function(){ if( $(this).is(':checked') ) alert("checked"); }); Edit: Doing this will not catch when the checkbox changes for other reasons than a click, like using the keyboard. To avoid this problem, listen to changeinstead of click. ...
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How can I convert ereg expressions to preg in PHP?

...str); preg_match('(^hello)', $str); preg_match('{^hello}', $str); // etc If your delimiter is found in the regular expression, you have to escape it: ereg('^/hello', $str); preg_match('/^\/hello/', $str); You can easily escape all delimiters and reserved characters in a string by using preg_quo...
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Fast ceiling of an integer division in C / C++

...x + y - 1) / y; or (avoiding overflow in x+y) q = 1 + ((x - 1) / y); // if x != 0 share | improve this answer | follow | ...
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How to remove focus around buttons on click

...d overriding the button focus style worked for me. This problem may be specific to MacOS with Chrome. .btn:focus { outline: none; box-shadow: none; } Note though that this has implications for accessibility and isn't advised until you have a good consistent focus state for your buttons and in...