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Compare if two variables reference the same object in python

...ike to have a visual feedback, that's why I sometimes just open up http://www.pythontutor.com/visualize.html#mode=edit to see how the memory is allocated and what is referencing what. Added this awesome gif as this reply is about visualizing.. ...
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Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?

...ons. Just open the Terminal, copy and paste the provided commands. http://www.iphonedevsdk.com/forum/iphone-sdk-development/100229-snow-leopard-sdk-5-1-a.html share | improve this answer |...
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Provide an image for WhatsApp link sharing

...to the current webpage address <meta property="og:url" content="https://www.example.com/webpage/" /> Step 5: og:description Maximum 65 characters <meta property="og:description" content="description of your website/webpage"> Step 6: og:image Image(JPG or PNG) with a size less than 30...
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Overflow to left instead of right

...ed using the following: direction: rtl; For more information see http://www.w3schools.com/cssref/pr_text_direction.asp share | improve this answer | follow ...
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Aggregate function in an SQL update query?

...e doc to get why FROM is considered by PostgreSQL as a self-join : https://www.postgresql.org/docs/9.5/static/sql-update.html#AEN89239 share | improve this answer | follow ...
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Looking for files NOT owned by someone

...en provided: $ find / -nouser You can use it like so: $ sudo find /var/www -nouser -exec chown root:apache {} \; And a related one: $ find / -nogroup share | improve this answer | ...
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Difference between double and single curly brace in angular JS?

...; <!-- with some directives like `ngSrc` --> <img ng-src="http://www.example.com/gallery/{{hash}}"/> <!-- set the title attribute --> <div ng-attr-title="{{celebrity.name}}">... <!-- set a custom attribute for your custom directive --> <div custom-directive custom...
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Enable bundling and minification in debug mode in ASP.NET MVC 4

...Bundles method (BundleConfig class in the App_Start folder). check http://www.asp.net/mvc/tutorials/mvc-4/bundling-and-minification for more info You could also change your web.config: <system.web> <compilation debug="false" /> </system.web> But this would disable debug mo...
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Can someone explain Microsoft Unity?

...tration of the Unity container that is aimed at beginners. Part 1: http://www.youtube.com/watch?v=CWwe9Z0Gyew Part 2: http://www.youtube.com/watch?v=PsIbevgzQQE In less than half an hour and you will understand the basics! ...
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Postgresql query between date ranges

... Read the documentation. http://www.postgresql.org/docs/9.1/static/functions-datetime.html I used a query like that: WHERE ( date_trunc('day',table1.date_eval) = '2015-02-09' ) or WHERE(date_trunc('day',table1.date_eval) >='2015-02-09'AND date_t...