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Using arrays or std::vectors in C++, what's the performance gap?
...all efficiencies, say about 97% of the time: premature optimization is the root of all evil. Yet we should not pass up our opportunities in that critical 3%".
(Thanks to metamorphosis for the full quote)
Don't use a C array instead of a vector (or whatever) just because you believe it's faster as i...
What is the relative performance difference of if/else versus switch statement in Java?
...first to determine where the slow spots are. Premature optimization is the root of all evil!
Nevertheless, it's possible to talk about the relative performance of switch vs. if/else with the Java compiler optimizations. First note that in Java, switch statements operate on a very limited domain -- ...
Get class name of object as string in Swift
... like array, a dictionary, an Int, a NSDate, etc.
Because NSObject is the root class of most Objective-C class hierarchies, you could try to make an extension for NSObject to get the class name of every subclass of NSObject. Like this:
extension NSObject {
var theClassName: String {
re...
log4j: Log output of a specific class to a specific appender
...
An example:
log4j.rootLogger=ERROR, logfile
log4j.appender.logfile=org.apache.log4j.DailyRollingFileAppender
log4j.appender.logfile.datePattern='-'dd'.log'
log4j.appender.logfile.File=log/radius-prod.log
log4j.appender.logfile.layout=org.apac...
What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?
...telling you what they do doesn't help you remember the names.
map is the "root" of all recursive mapping commands. The root form applies to "normal", "visual+select", and "operator-pending" modes. (I'm using the term "root" as in linguistics.)
noremap is the "root" of all non-recursive mapping com...
Proper way to implement IXmlSerializable?
...ore returning. Is this true? And what about WriteXml - should it write a root element for the object or is it assumed that the root is already written? How should child objects be treated and written?
...
Which websocket library to use with Node.js? [closed]
...iving post request');
});
app.listen(80); //port 80 need to run as root
console.log("app listening on %d ", 80);
var server = http.createServer(app);
server.listen(port);
console.log("http server listening on %d", port);
var userId;
var wss = new WebSocketServer({server: server})...
Storyboard warning: prototype table cells must have reuse identifiers
... answered May 30 '12 at 8:40
alerootaleroot
63.6k2525 gold badges160160 silver badges201201 bronze badges
...
$on and $broadcast in angular
...
If you want to $broadcast use the $rootScope:
$scope.startScanner = function() {
$rootScope.$broadcast('scanner-started');
}
And then to receive, use the $scope of your controller:
$scope.$on('scanner-started', function(event, args) {
// do what ...
AngularJS routing without the hash '#'
... @chovy - here goes nGinx version: server { server_name my-app; root /path/to/app; location / { try_files $uri $uri/ /index.html; } }
– Moin Haidar
Jul 16 '14 at 10:04
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