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Replace a value if null or undefined in JavaScript
I have a requirement to apply the ?? C# operator to JavaScript and I don't know how.
Consider this in C#:
5 Answers
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How do I detect unsigned integer multiply overflow?
I was writing a program in C++ to find all solutions of a b = c , where a , b and c together use all the digits 0-9 exactly once. The program looped over values of a and b , and it ran a digit-counting routine each time on a , b and ab to check if the digits condition was satisfied.
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CSS: Set a background color which is 50% of the width of the window
Trying to achieve a background on a page that is "split in two"; two colors on opposite sides (seemingly done by setting a default background-color on the body tag, then applying another onto a div that stretches the entire width of the window).
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In Python, what is the difference between “.append()” and “+= []”?
What is the difference between:
12 Answers
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Creating a new column based on if-elif-else condition
I have a DataFrame df :
4 Answers
4
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Why do we need fibers
For Fibers we have got classic example: generating of Fibonacci numbers
2 Answers
2
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Global access to Rake DSL methods is deprecated
I am working through the Ruby on Rails 3 tutorial book and typed the following on the command line:
5 Answers
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How do you plot bar charts in gnuplot?
How do you plot bar charts in gnuplot with text labels?
5 Answers
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How can I make pandas dataframe column headers all lowercase?
I want to make all column headers in my pandas data frame lower case
5 Answers
5
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Easiest way to open a download window without navigating away from the page
What is the best cross browser way to open a download dialog (let's assume we can set content-disposion:attachment in the headers) without navigating away from the current page, or opening popups, which doesn't work well in Internet Explorer(IE) 6.
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