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Merge, update, and pull Git branches without using checkouts
...feature checked out:
git fetch upstream master:master
This use-case is so common, that you'll probably want to make an alias for it in your git configuration file, like this one:
[alias]
sync = !sh -c 'git checkout --quiet HEAD; git fetch upstream master:master; git checkout --quiet -'
What th...
foreach vs someList.ForEach(){}
...oving items from a list within a for loop can have side effects. The most common one is described in the comments to this question.
Generally, if you are looking to remove multiple items from a list, you would want to separate the determination of which items to remove from the actual removal. It...
What specific productivity gains do Vim/Emacs provide over GUI text editors?
...
For Vim:
Vim has better integration with other tools (shell commands, scripts, compilers, version control systems, ctags, etc.) than most editors. Even something simple like :.!, to pipe a command's output into a buffer, is something you won't find in most GUI editors.
A tabbed inter...
Uses for Optional
...he value, thereby "flattening" out absent values.
I'm sure somebody could come up with some contrived cases where they really want to store an Optional in a field or a collection, but in general, it is best to avoid doing this.
...
How do I modify fields inside the new PostgreSQL JSON datatype?
...
$BODY$
LANGUAGE sql IMMUTABLE STRICT
COST 100;
Update: functions are compacted now.
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How to remove/ignore :hover css style on touch devices
...ng Javascript. This has the advantage of not having to touch CSS and being compatible even with older browsers.
function hasTouch() {
return 'ontouchstart' in document.documentElement
|| navigator.maxTouchPoints > 0
|| navigator.msMaxTouchPoints > 0;
}
if (hasTouch()) { /...
Explanation of strong and weak storage in iOS5
...
It's based off an analogy Malcom Crawford at Apple gave a few years back. Don't know where he got it.
– BJ Homer
Feb 13 '12 at 15:14
...
Shortest distance between a point and a line segment
...eeded a Javascript implementation, so here it is, with no dependencies (or comments, but it's a direct port of the above). Points are represented as objects with x and y attributes.
function sqr(x) { return x * x }
function dist2(v, w) { return sqr(v.x - w.x) + sqr(v.y - w.y) }
function distToSegme...
What does the CSS rule “clear: both” do?
...ader, 1 side bar, 1 content area and 1 footer.
No floats for header, next comes the aside tag which I'll be using for my website sidebar, so I'll be floating the element to left.
Note: By default, block level element takes up document 100% width,
but when floated left or right, it will resize...
How to make Twitter Bootstrap menu dropdown on hover rather than click
...;
top: 11px;
left: -6px;
}
<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/2.3.2/css/bootstrap.min.css" rel="stylesheet" />
<div class="navbar navbar-fixed-top">
<div class="navbar-inner">
<div class="container-fluid">
<a data...