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MAC addresses in JavaScript
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I concur with all the previous answers that it would be a privacy/security vulnerability if you would be able to do this directly from Javascript. There are two things I can think of:
Using Java (with a signed applet)
Using signed Javasc...
How can I update the current line in a C# Windows Console App?
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You can use Console.SetCursorPosition to set the position of the cursor and then write at the current position.
Here is an example showing a simple "spinner":
static void Main(string[] args)
{
var spin = new ConsoleSpinner();
Console.Wr...
How do I programmatically click a link with javascript?
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Actually, so far it worked in all browsers I tried, including IE, Safari, Chrome, Firefox and Opera.
– arik
Jan 29 '12 at 17:17
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Turning off some legends in a ggplot
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You can use guide=FALSE in scale_..._...() to suppress legend.
For your example you should use scale_colour_continuous() because length is continuous variable (not discrete).
(p3 <- ggplot(mov, aes(year, rating, colour = length, shape = mpaa)) +
sca...
Java inner class and static nested class
...class A can contain class B which contains class C which contains class D, etc. However, more than one level of class nesting is rare, as it is generally bad design.
There are three reasons you might create a nested class:
organization: sometimes it seems most sensible to sort a class into the na...
Can I make git recognize a UTF-16 file as text?
...er @OK comment, the "set" is irrelevant here, just *.vmc diff , *.sql diff etc.. is needed to set the 'diff' attribute for the path specified. (I can't edit the answer). 2 caveats however : diffs are shown with a space between each character, and not possible to "stage hunk" or "discard hunk" for t...
Can you call Directory.GetFiles() with multiple filters?
...er,
var files = Directory.EnumerateFiles("C:\\path", "*.*", SearchOption.AllDirectories)
.Where(s => s.EndsWith(".mp3") || s.EndsWith(".jpg"));
For earlier versions of .NET,
var files = Directory.GetFiles("C:\\path", "*.*", SearchOption.AllDirectories)
.Where(s => ...
How can I sort generic list DESC and ASC?
...pare because subtraction will wrap to positive for very large neg numbers, etc.". If you have b = int.MinValue and a = 1 (say), this will fail. Sometimes a method call is worth it.
– Wai Ha Lee
Dec 12 '15 at 21:56
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Convert columns to string in Pandas
... This works if source is a,b,c and fails if source is 1,2,3 etc.
– Nages
Jul 29 at 23:59
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What is a Lambda?
...lly such a thing as 'a lambda' in programming. It depends on the language, etc.
In short, normally a language that 'has lambdas' uses the term for anonymous functions or, in some cases, closures. Like so, in Ruby:
f = lambda { return "this is a function with no name" }
puts f.call
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