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How do I check the difference, in seconds, between two dates?
...y so often, so I want to record when they were created, check against the current timestamp, and refresh as necessary.
5 A...
How to add to an existing hash in Ruby
In regards to adding an key => value pair to an existing populated hash in Ruby, I'm in the process of working through Apress' Beginning Ruby and have just finished the hashes chapter.
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seek() function?
Please excuse my confusion here but I have read the documentation regarding the seek() function in python (after having to use it) and although it helped me I am still a bit confused on the actual meaning of what it does, any explanations are much appreciated, thank you.
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Best Practice - NSError domains and codes for your own project/app
There is a previous SO post regarding setting up error domains for your own frameworks, but what is the best practice regarding setting up error domains and custom error codes for your own project/app ?
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Can an AJAX response set a cookie?
Can an AJAX response set a cookie? If not, what is my alternative solution? Should I set it with Javascript or something similar?
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contenteditable, set caret at the end of the text (cross-browser)
output in Chrome :
4 Answers
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Sass - Converting Hex to RGBa for background opacity
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The rgba() function can accept a single hex color as well decimal RGB values. For example, this would work just fine:
@mixin background-opacity($color, $opacity: 0.3) {
background: $color; /* The Fallback */
background: rgba($co...
Difference between os.getenv and os.environ.get
...ronmental variable does not exist.
os.getenv does not raise an exception, but returns None
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What is the entry point of swift code execution?
There is no main() method in swift. The program must start the execution from somewhere. So what is the entry point of swift code execution and how is it decided?
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difference between use and require
Can anyone explain the difference between use and require , both when used directly and as :use and :require in the ns macro?
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