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Different types of thread-safe Sets in Java
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1) The CopyOnWriteArraySet is a quite simple implementation - it basically has a list of elements in an array, and when changing the list, it copies the array. Iterations and other accesses which are running at this time continue with the old array, avoiding necessity of synchronization between...
How do I get a YouTube video thumbnail from the YouTube API?
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Is it confirmed that the urls will keep working after API v2 will be stopped?
– Daniele B
Apr 14 '15 at 13:19
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Function passed as template argument
...like "return a + b". (Lisp programmers, stop your smirking!)
We can also confirm that this is closer to what we want because this:
int (* func_ptr)(int,int) = add;
int c = do_op<func_ptr>(4,5);
will fail to compile. GCC says: "error: 'func_ptr' cannot appear in a constant-expression. In...
UINavigationController without navigation bar?
...Hidden box instead of using code. I've recently been on a kick of creating all my interfaces entirely programmatically without .xib files, so went straight to that for my answer.
– Ashwin
Apr 24 '11 at 3:45
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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...
no new variables on left side of :=
... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 4...
Visual Studio, Find and replace, regex
I am trying to replace all the #include "whatever.h" with #include <whatever.h> using find and replace functionality in Visual Studio 2005. I used the regex \#include \"[a-z\.h]+\" to find the include statement. But I am wondering how frame the replace regex.
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Streaming a video file to an html5 video player with Node.js so that the video controls continue to
...to get the size of the file without reading the whole file into memory. Finally, use fs.createReadStream to send the requested part to the client.
var fs = require("fs"),
http = require("http"),
url = require("url"),
path = require("path");
http.createServer(function (req, res) {
if ...
Fit background image to div
... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 4...
Android AlertDialog Single Button
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This is okay if it's just for a "confirmation dialog" with a single button with no listener. Anything more than that and it's not worth wrapping in a helper like this because you'll need to handle each button press.
– Joshua Pinter
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