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Link to “pin it” on pinterest without generating a button

... or hundreds of posts, each one with social buttons. I just can't generate all the buttons for each url: it is too slow (facebook, g+, twitter, pinterest... for hundreds of links). So, instead of the facebook share button to be generated on the fly, I use a simple img pointing to ...
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Understand the “Decorator Pattern” with a real world example

... Decorator pattern achieves a single objective of dynamically adding responsibilities to any object. Consider a case of a pizza shop. In the pizza shop they will sell few pizza varieties and they will also provide toppings in the menu. Now imagine a situation wherein if the piz...
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What are file descriptors, explained in simple terms?

...you open a network socket, it is also represented by an integer and it is called Socket Descriptor. I hope you understand. share | improve this answer | follow ...
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AngularJS Multiple ng-app within a page

... So basically as mentioned by Cherniv we need to bootstrap the modules to have multiple ng-app within the same page. Many thanks for all the inputs. var shoppingCartModule = angular.module("shoppingCart", []) shoppingCartModule...
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How can I merge properties of two JavaScript objects dynamically?

...Later properties overwrite earlier properties with the same name. */ const allRules = {...obj1, ...obj2, ...obj3}; Here is also the MDN documentation for this syntax. If you're using babel you'll need the babel-plugin-transform-object-rest-spread plugin for it to work. ECMAScript 2015 (ES6) Stand...
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Is it possible to have multiple statements in a python lambda expression?

...Q. Can you put multiple statements in a lambda? A. No. But you don't actually need to use a lambda. You can put the statements in a def instead. i.e.: def second_lowest(l): l.sort() return l[1] map(second_lowest, lst) Q. Can you get the second lowest item from a lambda by sorting the ...
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How does Google Instant work?

...xactly how the new google instant search works? It seems to just be AJAX calls to the old search, but it's pretty hard to simplify Google that much. Anybody have speculations? ...
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Using Default Arguments in a Function

...= "some other value"; } code here! } This way, you can make a call like foo('blah', null, 'non-default y value'); and have it work as you want, where the second parameter $x still gets its default value. With this method, passing a null value means you want the default value for one par...
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How to write :hover condition for a:before and a:after?

... This depends on what you're actually trying to do. If you simply wish to apply styles to a :before pseudo-element when the a element matches a pseudo-class, you need to write a:hover:before or a:visited:before instead. Notice the pseudo-element comes after ...
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How do I install Maven with Yum?

...b/apache/maven/maven-3/3.0.5/binaries/apache-maven-3.0.5-bin.tar.gz basically just go to the maven site. Find the version of maven you want. The file type and use the mirror for the wget statement above. Afterwards the process is easy Run the wget command from the dir you want to extract maven ...