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Get the last item in an array

...e's how to get it with no effect on the original ARRAY a = [1,2,5,6,1,874,98,"abc"]; a.length; //returns 8 elements If you use pop(), it will modify your array a.pop(); // will return "abc" AND REMOVES IT from the array a.length; // returns 7 But you can use this so it has no effect on the o...
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How to resize images proportionally / keeping the aspect ratio?

...09/07/jquery-image-resize/ $(document).ready(function() { $('.story-small img').each(function() { var maxWidth = 100; // Max width for the image var maxHeight = 100; // Max height for the image var ratio = 0; // Used for aspect ratio var width = $(this).width...
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How do I do a bulk insert in mySQL using node.js

...rays wrapped in an array [ [ [...], [...], [...] ] ] There is also a totally different node-msql package for bulk insertion share | improve this answer | follow ...
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How to implement onBackPressed() in Fragments?

... I solved in this way override onBackPressed in the Activity. All the FragmentTransaction are addToBackStack before commit: @Override public void onBackPressed() { int count = getSupportFragmentManager().getBackStackEntryCount(); if (count == 0) { super.onBackPressed(...
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Understanding promises in Node.js

From what I have understood there are three ways of calling asynchronous code: 9 Answers ...
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Why does instanceof return false for some literals?

...) {}); // function As you can see objects, arrays and the value null are all considered objects (null is a reference to an object which doesn't exist). Functions are distinguished because they are a special type of callable objects. However they are still objects. On the other hand the literals t...
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Where does the iPhone Simulator store its data?

... 98 There is another (faster?) way to find where your app data is without Terminal: Launch the ap...
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Visual C++: How to disable specific linker warnings?

... /wd4099 will not work), but what you can do instead is patch link.exe (usually C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\link.exe) to remove it from said list . Sounds like a jackhammer, i know. It works though. For instance, if you want to remove the warning for 4099, open link.e...
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Can someone explain in simple terms to me what a directed acyclic graph is?

...t a directed acyclic graph is? I have looked on Wikipedia but it doesn't really make me see its use in programming. 13 Answ...
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How do I get the last character of a string?

... 98 Here is a method using String.charAt(): String str = "India"; System.out.println("last char = ...