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How to move a file?

... os.rename(), shutil.move(), or os.replace() All employ the same syntax: import os import shutil os.rename("path/to/current/file.foo", "path/to/new/destination/for/file.foo") shutil.move("path/to/current/file.foo", "path/to/new/destination/for/file.foo") os.replace("p...
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Group query results by month and year in postgresql

...he "date" attribute. sum("Sales") as "Sales" : The SUM() function adds up all the "Sales" values, and supplies a case-sensitive alias, with the case sensitivity maintained by using double-quotes. group by 1,2 : The GROUP BY function must contain all columns from the SELECT list that are not part o...
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JQuery - $ is not defined

...ge is fully loaded, and as such, before jQuery is fully loaded. First of all, ensure, what script is call properly, it should looks like <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></script> and shouldn't have attributes async...
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Reference: Comparing PHP's print and echo

...hat while they appear to users as two distinct constructs, they are both really shades of echo if you get down to basics, i.e. look at the internal source code. That source code involves the parser as well as opcode handlers. Consider a simple action such as displaying the number zero. Whether you ...
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AngularJS - Create a directive that uses ng-model

...se Angular so I'm not in a good position to make improvements. It's actually pretty good logic but you can simplify things a bit. Directive var app = angular.module('plunker', []); app.controller('MainCtrl', function($scope) { $scope.model = { name: 'World' }; $scope.name = "Felipe"; }); ...
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How to draw a dotted line with css?

... lot of cruft that is no longer required for modern browsers. I have personally tested the following CSS on all browsers as far back as IE8, and it works perfectly. hr { border: none; border-top: 1px dotted black; } border: none must come first, to remove all the default border styling...
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How do I compile and run a program in Java on my Mac?

...ional Java runtime and development environment out-of-the-box with OSX, so all you have to do is write a Java program and use the built-in tools to compile and run it. Writing Your First Program The first step is writing a simple Java program. Open up a text editor (the built-in TextEdit app works...
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How to get controls in WPF to fill available space?

Some WPF controls (like the Button ) seem to happily consume all the available space in its' container if you don't specify the height it is to have. ...
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How exactly do Django content types work?

I'm really having a difficult time grasping the concept of Django's content types. It feels very hackish and, ultimately, against how Python tends to do things. That being said, if I'm going to use Django then I have to work within the confines of the framework. ...
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Postgres: INSERT if does not exist already

... if one modifies the table such that more columns are unique. In that case all the scripts must be modified. It would be nice if there was a more generic way to do this... – Willem Van Onsem Aug 1 '14 at 13:17 ...