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Select all elements with “data-” attribute without using jQuery
Using only JavaScript, what is the most efficient way to select all DOM elements that have a certain data- attribute (let's say data-foo ). The elements may be different tag elements.
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How to export collection to CSV in MongoDB?
How do you export all the records in a MongoDB collection to a .csv file?
11 Answers
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Installing libv8 gem on OS X 10.9+
...t getting an error on OSX Mavericks using latest stable rvm and ruby-1.9.3-p125.
20 Answers
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if else in a list comprehension [duplicate]
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edited Apr 17 '15 at 20:33
tscizzle
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Convert a string to an enum in C#
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In .NET Core and .NET >4 there is a generic parse method:
Enum.TryParse("Active", out StatusEnum myStatus);
This also includes C#7's new inline out variables, so this does the try-parse, conversion to the explicit enum type and initialises+populates the myStatus var...
How to list variables declared in script in bash?
In my script in bash, there are lot of variables, and I have to make something to save them to file.
My question is how to list all variables declared in my script and get list like this:
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How to ssh to vagrant without actually running “vagrant ssh”?
I would like to reproduce the way Vagrant logs in to my VM within a shell script using an ssh command, so I create an alias to my Vagrant instance.
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Which parallel sorting algorithm has the best average case performance?
Sorting takes O(n log n) in the serial case. If we have O(n) processors we would hope for a linear speedup. O(log n) parallel algorithms exist but they have a very high constant. They also aren't applicable on commodity hardware which doesn't have anywhere near O(n) processors. With p processors, re...
Django filter versus get for single object?
I was having a debate on this with some colleagues. Is there a preferred way to retrieve an object in Django when you're expecting only one?
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Can't pickle when using multiprocessing Pool.map()
I'm trying to use multiprocessing 's Pool.map() function to divide out work simultaneously. When I use the following code, it works fine:
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