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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.
...
Can I mask an input text in a bat file?
...ph will explain why that doesn't show up in the terminal).
The getpwd.cmd command script is a bit trickier but it basically works as follows.
The effect of the "<nul: set /p passwd=Password: " command is to output the prompt with no trailing newline character - it's a sneaky way to emulate the ...
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...
Understanding checked vs unchecked exceptions in Java
...ing throwing Exception, it isn't always because people are lazy, it's also common that you, when you implement frameworks, let users of the framework be able to throw any exception. You can e.g. check the signature of the Callable interface in JSE
– Kaj
May 24 ...
Same-named attributes in attrs.xml for custom view
...
Solution: Simply extract common attributes from both views and add them directly as children of the <resources> node:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<attr name="myattr1" format="string" />
<attr...