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Are there any SHA-256 javascript implementations that are generally considered trustworthy?
...javascript before sending it on to the server. I'm having trouble figuring out which SHA-256 implementation I can actually trust. I was expecting there to be some kind of authoritative script that everyone used, but I'm finding loads of different projects all with their own implementations.
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How do I get the opposite (negation) of a Boolean in Python?
...e is the most correct for the given scenario.
It made me wonder though about simply inverting a boolean value in general. It turns out the accepted solution here works as one liner, and there's another one-liner that works as well. Assuming you have a variable "n" that you know is a boolean, the e...
How can we make xkcd style graphs?
Apparently, folk have figured out how to make xkcd style graphs in Mathematica and in LaTeX . Can we do it in R? Ggplot2-ers? A geom_xkcd and/or theme_xkcd?
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Get image data url in JavaScript?
... HTML tags). I'd like to get their content, base64 encoded preferably, without the need to redownload the image (ie. it's already loaded by the browser, so now I want the content).
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What happens to a detached thread when main() exits?
...ues executing even though the std::thread that once represented it, goes out of scope.
6 Answers
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What's the difference between lists enclosed by square brackets and parentheses in Python?
...eError: unhashable type: 'list'
Note that, as many people have pointed out, you can add tuples together. For example:
>>> x = (1,2)
>>> x += (3,)
>>> x
(1, 2, 3)
However, this does not mean tuples are mutable. In the example above, a new tuple is constructed by addi...
Command line to remove an environment variable from the OS level configuration
...ange to take effect immediately, the easiest and surest thing to do is log out and back in or reboot. If this isn't an option or you want to dig deeper, some of the other answers here have some great suggestions that may suit your use case.
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Why can't I center with margin: 0 auto?
...can see what I am experiencing. The ul is just being pushed to the right about 50px.
– zeckdude
Jun 8 '09 at 7:27
1
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Does Swift have documentation generation support?
...for rich playground comments & symbol documentation; these are pointed out in the document (e.g. block quotes can only be used in playgrounds).
Below is an example and a list of the syntax elements that currently work for symbol documentation comments.
Updates
Xcode 7 beta 4 ~ Added "- Thro...
What is Scala's yield?
... In case you like the syntax better. Also, as alexey points out, comprehensions also provide nice syntax for accessing flatMap, filter and foreach.
– Nathan Shively-Sanders
Jun 27 '09 at 12:44
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