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Using HTML5/JavaScript to generate and save a file
...ou can also set a filename, but only a few web browsers (including Chrome & Firefox) have support for the File constructor. The filename can also be specified as the argument to the download attribute, but this is subject to a ton of security considerations. Internet Explorer 10 and 11 provides ...
When should I use Struct vs. OpenStruct?
...stance methods as would a class. A bunch of options for a function, for example, make sense in a hash; they're only loosely related. A name, email, and phone number needed by a function could be packaged together in a Struct or OpenStruct. If that name, email, and phone number needed methods to p...
LINQ: Not Any vs All Don't
...aring opposite predicates. The equivalent to !test.Any(x => x.Key == 3 && x.Value == 1) that uses All is test.All(x => !(x.Key == 3 && x.Value == 1)) (which is indeed equivalent to test.All(x => x.Key != 3 || x.Value != 1)).
– Jon Hanna
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Generating random number between 1 and 10 in Bash Shell Script [duplicate]
...y top set only has a range of 0-7. Thus, there are two fewer draws for 8 & 9 than 0-7. The + 1 translates this to a bias against 9 & 10. This would be a major flaw in security contexts - an RNG must not display bias, and at scale this is noticeable. Further explanation: Anatomy of a pseu...
How do I configure Notepad++ to use spaces instead of tabs?
...e size to 4.
See documentation: http://docs.notepad-plus-plus.org/index.php/Built-in_Languages#Tab_settings
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git stash -> merge stashed change with current changes
...itor.
To be clear, this is the process I'm talking about:
mkdir test-repo && cd test-repo && git init
echo test > test.txt
git add test.txt && git commit -m "Initial version"
# here's the interesting part:
# make a local change and stash it:
echo test2 > test.txt
git ...
How to work with Git branches and Rails migrations
... I know you answered this six years ago, but reading I'm curious what an example of a non-reversible migration would be. I'm having a hard time imagining a situation. I guess the simplest would be a dropped column containing a bunch of data, but this could be "reversed" to have an empty column or ...
How to Get Element By Class in JavaScript?
...for matchClass. If a match is found, the contents is replaced.
jsFiddle Example, using Vanilla JS (i.e. no framework)
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Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?
...s of simple selectors.
The :nth-child() pseudo-class counts elements among all of their siblings under the same parent. It does not count only the siblings that match the rest of the selector. Similarly, the :nth-of-type() pseudo-class counts siblings sharing the same element type, which refers to t...
window.onload vs document.onload
...nload", e, Date.now() ,window.tdiff,
(window.tdiff[0] = Date.now()) && window.tdiff.reduce(fred) );
}
window.onload = function(e){
console.log("window.onload", e, Date.now() ,window.tdiff,
(window.tdiff[1] = Date.now()) && window.tdiff.reduce(fred) );
}
</script&...