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How to delete selected text in the vi editor
... use h, j, k and l to move left, down, up, right respectively, that's much more efficient than using the arrows) and type d to delete the selection.
Also, how can I select the lines using my keyboard as I can in Windows where I press Shift and move the arrows to select the text? How can I do th...
Can I use the range operator with if statement in Swift?
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In PHP, what is a closure and why does it use the “use” identifier?
... The use keyword is also used for aliasing namespaces. It's amazing that, more than 3 years after the release of PHP 5.3.0, the syntax function ... use is still officially undocumented, which makes closures an undocumented feature. The doc even confuses anonymous functions and closures. The only (b...
Merging dictionaries in C#
What's the best way to merge 2 or more dictionaries ( Dictionary<T1,T2> ) in C#?
(3.0 features like LINQ are fine).
2...
How can I view a git log of just one user's commits?
...its commited (but not necessarily authored) by Adam, replace %an with %cn. More details about this are in my blog post here: http://dymitruk.com/blog/2012/07/18/filtering-by-author-name/
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Type Checking: typeof, GetType, or is?
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CSS Selector “(A or B) and C”?
... just that:
:matches(.a .b) .c {
/* stuff goes here */
}
You can find more info on it here and here. Currently, most browsers support its initial version :any(), which works the same way, but will be replaced by :matches(). We just have to wait a little more before using this everywhere (I sure...
What is the most efficient way to concatenate N arrays?
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If you're concatenating more than two arrays, concat() is the way to go for convenience and likely performance.
var a = [1, 2], b = ["x", "y"], c = [true, false];
var d = a.concat(b, c);
console.log(d); // [1, 2, "x", "y", true, false];
For conca...
How do I use DateTime.TryParse with a Nullable?
...e.TryParse("some date text", out d2);
if (success) d=d2;
(There might be more elegant solutions, but why don't you simply do something as above?)
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CSS: Setting width/height as Percentage minus pixels
I'm trying to create some re-usable CSS classes for more consistency and less clutter on my site, and I'm stuck on trying to standardize one thing I use frequently.
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