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What does “opt” mean (as in the “opt” directory)? Is it an abbreviation? [closed]

... - It is a historical holdover ... from the days when UNIX was a couple of orders of magnitude smaller (4.1bsd came on a single 1600bpi tape) and didn't have a package manager, package repositories, security updates, etc. – Stephen C Oct 22 '16 at 2:15 ...
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Make .git directory web inaccessible

...e a .htaccess file in the .git folder and put the following in this file: Order allow,deny Deny from all But note, that it would be lost if you ever re-cloned the repository share | improve this ...
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load and execute order of scripts

... scripts or marking them as defer or async, then scripts are loaded in the order encountered in the page. It doesn't matter whether it's an external script or an inline script - they are executed in the order they are encountered in the page. Inline scripts that come after external scripts are hel...
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PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL

...ROM pg_tables WHERE NOT schemaname IN ('pg_catalog', 'information_schema') ORDER BY schemaname, tablename; Sequences SELECT 'ALTER SEQUENCE '|| sequence_schema || '.' || sequence_name ||' OWNER TO my_new_owner;' FROM information_schema.sequences WHERE NOT sequence_schema IN ('pg_catalog', 'inform...
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What are the typical reasons Javascript developed on Firefox fails on IE? [closed]

...nt.scrollTop || window.pageYOffset || 0; return [x, y]; }; In order to get the position of the mouse cursor, evt.clientX and evt.clientY in mousemove events will give the position relative to the document without adding the scroll position so the previous function will need to be incorp...
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In MySQL what does “Overhead” mean, what is bad about it, and how to fix it?

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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What is the difference between Numpy's array() and asarray() functions?

...ut will be returned uncopied iff it's a compatible ndarray in contiguous C order (copy=False, order='C'). asfortranarray: The input will be returned uncopied iff it's a compatible ndarray in contiguous Fortran order (copy=False, order='F'). require: The input will be returned uncopied iff it's compa...
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How to access parent scope from within a custom directive *with own scope* in AngularJS?

..." ng-options="item.id as item.name group by item.model for item in items | orderBy:'name'"> <option>--</option> </select> app.js var app = angular.module('plunker', []); app.directive('sdItemsFilter', function() { return { restrict: 'E', scope: { items: '='...
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Including all the jars in a directory within the Java classpath

...AR files in a single directory foo, use either foo;foo/* or foo/*;foo. The order chosen determines whether the classes and resources in foo are loaded before JAR files in foo, or vice versa. Subdirectories are not searched recursively. For example, foo/* looks for JAR files only in foo, not in foo/b...
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SQL Server loop - how do I loop through a set of records

...ble) begin select top 1 @TableID = TableID from #ControlTable order by TableID asc -- Do something with your TableID delete #ControlTable where TableID = @TableID end drop table #ControlTable sh...