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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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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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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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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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Plot yerr/xerr as shaded region rather than error bars

In matplotlib, how do I plot error as a shaded region rather than error bars? 2 Answers ...
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Bash, no-arguments warning, and case decisions

I am learning bash. 4 Answers 4 ...
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How to sum array of numbers in Ruby?

I have an array of integers. 17 Answers 17 ...
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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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What happens if I define a 0-size array in C/C++?

Just curious, what actually happens if I define a zero-length array int array[0]; in code? GCC doesn't complain at all. 7...
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SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)

MySQL has something like this: 5 Answers 5 ...