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Random alpha-numeric string in JavaScript? [duplicate]

What's the shortest way (within reason) to generate a random alpha-numeric (uppercase, lowercase, and numbers) string in JavaScript to use as a probably-unique identifier? ...
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How to add icon inside EditText view in Android ?

I want to add a "search" icon to appear inside an EditText in the left edge? such as search box in Facebook Android app? ...
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SQL how to increase or decrease one for a int column in one command

I have an Orders table which has a Quantity column. During check in or check out, we need to update that Quantity column by one. Is there a way to do this in one action or we have to get the existing value and then add or minus one on top of it? ...
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HTML - how can I show tooltip ONLY when ellipsis is activated

I have got a span with dynamic data in my page, with ellipsis style. 14 Answers 14 ...
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Angularjs Template Default Value if Binding Null / Undefined (With Filter)

I have a template binding that displays a model attribute called 'date' which is a date, using Angular's date filter. 6 Ans...
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Why are floating point numbers inaccurate?

Why do some numbers lose accuracy when stored as floating point numbers? 6 Answers 6 ...
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Python dict how to create key or append an element to key?

I have an empty dictionary. Name: dict_x It is to have keys of which values are lists. 5 Answers ...
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C++ Tuple vs Struct

Is there is any difference between using a std::tuple and a data-only struct ? 12 Answers ...
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How to convert hex to rgb using Java?

How can I convert hex color to RGB code in Java? Mostly in Google, samples are on how to convert from RGB to hex. 17 Answer...
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How to sum array of numbers in Ruby?

I have an array of integers. 17 Answers 17 ...