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How do I grep recursively?

... @lorniper it makes the shell select all files and folders in your current directory, making in turn the grep apply to those files and (recursively because of the -R option) to the folders. – VonC Aug 4 '16 at 7:10 ...
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MySQL: Sort GROUP_CONCAT values

... see http://dev.mysql.com/doc/refman/...tions.html#function_group-concat: SELECT student_name, GROUP_CONCAT(DISTINCT test_score ORDER BY test_score DESC SEPARATOR ' ') FROM student GROUP BY student_name; share ...
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How to style dt and dd so they are on the same line?

... This behaves awkwardly when you select (double click) the first word in the <dd>. It also selects the text inside the <dt> unless there's whitespace (or an   if you're using htmlmin) between the <dt> and <dd>. ...
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Efficient paging in SQLite with millions of records

...red field(s), and continue just after them when displaying the next page: SELECT * FROM MyTable WHERE SomeColumn > LastValue ORDER BY SomeColumn LIMIT 100; (This is explained with more detail on the SQLite wiki.) When you have multiple sort columns (and SQLite 3.15 or later), you can use a ro...
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Cordova: start specific iOS emulator image

...t the simulator before launching a different target simulator (On Menu bar select Simulator->Quit) Take into account that you may need to quit the iOS simulator via menu to switch from 3.5 to 4 inch iPhone. dynamic list is available in platforms/ios/cordova/lib/list-emulator-images ...
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#1071 - Specified key was too long; max key length is 1000 bytes

... the best prefix length for a given column? Here's a method to find out: SELECT ROUND(SUM(LENGTH(`menu_link`)<10)*100/COUNT(`menu_link`),2) AS pct_length_10, ROUND(SUM(LENGTH(`menu_link`)<20)*100/COUNT(`menu_link`),2) AS pct_length_20, ROUND(SUM(LENGTH(`menu_link`)<50)*100/COUNT(`menu_...
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How do I prevent 'git diff' from using a pager?

...ent variable is set, Git does not change it at all). If you want to selectively override Git's default setting for LESS, you can set core.pager to e.g. less -+S. This will be passed to the shell by Git, which will translate the final command to LESS=FRSX less -+S. The environment tells the ...
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Look up all descendants of a class in Ruby

...e: class Parent def self.descendants ObjectSpace.each_object(Class).select { |klass| klass < self } end end class Child < Parent end class GrandChild < Child end puts Parent.descendants puts Child.descendants puts Parent.descendants gives you: GrandChild Child puts Child.de...
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How to change current Theme at runtime in Android [duplicate]

... } private void createDialog() { /** Options for user to select*/ String choose[] = {"Theme_Holo_Light","Theme_Black"}; AlertDialog.Builder b = new AlertDialog.Builder(this); /** Setting a title for the window */ b.setTitle("Choose your Application...
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Downloading a Google font and setting up an offline site that uses it

...s" button near "Remove from collection" button and make sure that you have selected other styles you may also need such as 'bold'... Click the 'Use' tab button on bottom right of the page Click the download button on top with a down arrow image Click on "zip file" on the the popup message tha...