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Throwing cats out of windows
...be self-explanatory:
If first cat is thrown from k-th floor and dies, we now have k - 1 floors to check (all below k) and m - 1 cats (a[k - 1][m - 1]).
If cat survives, there're n - k floors left (all floors above k) and still m cats.
The worst case of two should be chosen, hence max.
+ 1 comes...
Purpose of #!/usr/bin/python3
...e: #!/bin/bash.
Without the shebang line, the operating system does not know it's a python script, even if you set the execution flag on the script and run it like ./script.py. To make the script run by default in python3, either invoke it as python3 script.py or set the shebang line.
You can use...
How to record webcam and audio using webRTC and a server-based Peer connection
....css">
<h1> MediaRecorder API example</h1>
<p>For now it is supported only in Firefox(v25+) and Chrome(v47+)</p>
<div id='gUMArea'>
<div>
Record:
<input type="radio" name="media" value="video" checked id='mediaVideo'>Video
<input...
What is the difference between RegExp’s exec() function and String’s match() function?
...^\/]+/g;
var match;
while (match = re.exec('/a/b/c/d')) {
// match is now the next match, in array form.
}
// No more matches.
String.match does this for you and discards the captured groups.
share
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What is the best practice for making an AJAX call in Angular.js?
... in 1.2.X
module.controller('MyCtrl', function($scope, myService) {
// now you can just call it and stick it in a $scope property.
// it will update the view when it resolves.
$scope.foos = myService.getFoos();
});
...
How do I put all required JAR files in a library folder inside the final JAR file with Maven?
...
it is more clear for me now. let me make a google search. But I would like to know why you want to copy all dependency jar file in specified folder inside the executable jar file. If all dependency jar files are inside the jar file, why do you need ...
Example of Named Pipes
...tion<SomeClass> conn)
{
Console.WriteLine("Client {0} is now connected!", conn.Id);
conn.PushMessage(new SomeClass { Text: "Welcome!" });
};
server.ClientMessage += delegate(NamedPipeConnection<SomeClass> conn, SomeClass message)
{
Console.WriteLine("...
Is python's sorted() function guaranteed to be stable?
...
They are stable.
By the way: you sometimes can ignore knowing whether sort and sorted are stable, by combining a multi-pass sort in a single-pass one.
For example, if you want to sort objects based on their last_name, first_name attributes, you can do it in one pass:
sorted_lis...
Difference: std::runtime_error vs std::exception()
...
@rubenvb I did not know about that, but I think it will clearify the code for future maintenance if only objects of classes derived from exception are thrown. Example: I like to find out what custom exceptions are implemented in my code base and...
simple HTTP server in Java using only Java SE API
...trary to what some developers think, absolutely not forbidden by the well known FAQ Why Developers Should Not Write Programs That Call 'sun' Packages. That FAQ concerns the sun.* package (such as sun.misc.BASE64Encoder) for internal usage by the Oracle JRE (which would thus kill your application whe...