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What is the colon operator in Ruby?
When I say { :bla => 1, :bloop => 2 } , what exactly does the : do? I read somewhere about how it's similar to a string, but somehow a symbol.
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How do I set a background-color for the width of text, not the width of the entire element, using CS
What I want is for the green background to be just behind the text, not to be 100% of the page width. Here is my current code:
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What is the most efficient string concatenation method in python?
Is there any efficient mass string concatenation method in Python (like StringBuilder in C# or StringBuffer in Java)? I found following methods here :
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What are the advantages of using nullptr?
This piece of code conceptually does the same thing for the three pointers (safe pointer initialization):
7 Answers
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Cocoa: What's the difference between the frame and the bounds?
UIView and its subclasses all have the properties frame and bounds . What's the difference?
12 Answers
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Black transparent overlay on image hover with only CSS?
I'm trying to add a transparent black overlay to an image whenever the mouse is hovering over the image with only CSS. Is this possible? I tried this:
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How to remove leading zeros from alphanumeric text?
I've seen questions on how to prefix zeros here in SO. But not the other way!
19 Answers
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How do I convert a numpy array to (and display) an image?
I have created an array thusly:
9 Answers
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Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
When passing argument to main() in a C or C++ application, will argv[0] always be the name of the executable? Or is this just a common convention and not guaranteed to be true 100% of the time?
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How to change navbar collapse threshold using Twitter bootstrap-responsive?
I'm using Twitter Bootstrap 2.0.1 in a Rails 3.1.2 project, implemented with bootstrap-sass. I'm loading both the bootstrap.css and the bootstrap-responsive.css files, as well as the bootstrap-collapse.js Javascript.
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