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Checking for NULL pointer in C/C++ [closed]
In a recent code review, a contributor is trying to enforce that all NULL checks on pointers be performed in the following manner:
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Difference between map and collect in Ruby?
I have Googled this and got patchy / contradictory opinions - is there actually any difference between doing a map and doing a collect on an array in Ruby/Rails?
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String concatenation vs. string substitution in Python
In Python, the where and when of using string concatenation versus string substitution eludes me. As the string concatenation has seen large boosts in performance, is this (becoming more) a stylistic decision rather than a practical one?
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How to escape braces (curly brackets) in a format string in .NET
How can brackets be escaped in using string.Format .
10 Answers
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Gem::LoadError for mysql2 gem, but it's already in Gemfile
This error occurred while loading the following files:
14 Answers
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How do I scale a stubborn SVG embedded with the tag?
I have some SVG files that specifies width and height as well as viewbox like this:
9 Answers
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Why do some C# lambda expressions compile to static methods?
As you can see in the code below, I have declared an Action<> object as a variable.
5 Answers
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Remove padding from columns in Bootstrap 3
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26 Answers
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python pandas: apply a function with arguments to a series
I want to apply a function with arguments to a series in python pandas:
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?: operator (the 'Elvis operator') in PHP
I saw this today in some PHP code:
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