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Ruby custom error classes: inheritance of the message attribute
...hing similar. I wanted to pass an object to #new and have the message set based on some processing of the passed object. The following works.
class FooError < StandardError
attr_accessor :message # this is critical!
def initialize(stuff)
@message = stuff.reverse
end
end
begin
rais...
C++ compiling on Windows and Linux: ifdef switch [duplicate]
...S X
__hpux Defined on HP-UX
__osf__ Defined on Tru64 UNIX (formerly DEC OSF1)
__sgi Defined on Irix
_AIX Defined on AIX
_WIN32 Defined on Windows
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...
Angularjs $q.all
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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.NET console application as Windows service
...const string ServiceName = "MyService";
public class Service : ServiceBase
{
public Service()
{
ServiceName = Program.ServiceName;
}
protected override void OnStart(string[] args)
{
Program.Start(args);
}
prot...
Programmer Puzzle: Encoding a chess board state throughout a game
...ll cater for a lot of previously mentioned issues.
But we can do better.
Base 13 Encoding
It is often helpful to think of the board position as a very large number. This is often done in computer science. For example, the halting problem treats a computer program (rightly) as a large number.
The...
Are GUID collisions possible?
I'm working on a database in SQL Server 2000 that uses a GUID for each user that uses the app it's tied to. Somehow, two users ended up with the same GUID. I know that microsoft uses an algorithm to generate a random GUID that has an extremely low chance of causing collisons, but is a collision stil...
How to delete images from a private docker registry?
...ers (A, B, ...) represent short image IDs and <- means that an image is based on another image:
A <- B <- C <- D
Now we add tags to the picture:
A <- B <- C <- D
| |
| <version2>
<version1>
Here, the tag <version1>...
How to determine programmatically whether a particular process is 32-bit or 64-bit
...pplication/process (note: not the current process) is running in 32-bit or 64-bit mode?
7 Answers
...
AngularJS : How to watch service variables?
...cks (http://jsfiddle.net/zymotik/853wvv7s/):
JavaScript:
angular.module("Demo", [])
.factory("DemoService", function($timeout) {
function DemoService() {
var self = this;
self.name = "Demo Service";
self.count = 0;
self.counter = funct...
Will HTML5 allow web apps to make peer-to-peer HTTP connections?
...
Enable MediaStream
Enable PeerConnection
Then you can visit the AppRTC Demo Page to try out the demo. See the WebRTC - Running the Demos page for more detailed instructions on setting up Chrome to use the peer to peer functionality and enabling device capture.
UPDATE: The engineers at Ericcso...