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Simple state machine example in C#?
... class FiniteStateMachine
{
public enum States { Start, Standby, On };
public States State { get; set; }
public enum Events { PlugIn, TurnOn, TurnOff, RemovePower };
private Action[,] fsm;
public FiniteStateMachine()
{
this.fsm = n...
How to implement an STL-style iterator and avoid common pitfalls?
...ng else, you can take a look at the member functions and typedefs provided by iterator_facade and use it as a starting point for building your own.
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How to compute the similarity between two text documents?
...as index 4 in corpus. You can find the index of the most similar document by taking the argmax of that row, but first you'll need to mask the 1's, which represent the similarity of each document to itself. You can do the latter through np.fill_diagonal(), and the former through np.nanargmax():
&g...
Correct way to use StringBuilder in SQL
...nstead of at compile time. Oops.
If the real code is building a SQL query by including values in the query, then that's another separate issue, which is that you should be using parameterized queries, specifying the values in the parameters rather than in the SQL.
I have an article on String / Str...
Can a decorator of an instance method access the class?
... pass
The method decorator marks the method as one that is of interest by adding a "use_class" attribute - functions and methods are also objects, so you can attach additional metadata to them.
After the class has been created the class decorator then goes through all the methods and does whate...
Multiple controllers with AngularJS in single page app
...here to put the new content in. Note that I'm new to angularjs myself so I by no means am saying this is the best way to do it.
app = angular.module('myApp', []);
app.config(function($routeProvider, $locationProvider) { ...
How to adjust text font size to fit textview
...tes all of the suggestions here. It starts with what was originally posted by Dunni. It uses a binary search like gjpc's, but it is a bit more readable. It also include's gregm's bug fixes and a bug-fix of my own.
import android.content.Context;
import android.graphics.Paint;
import android.util.At...
Resize image in PHP
...modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the impli...
Android encryption / decryption using AES [closed]
... privacy and integrity)
You could use functions like these:
private static byte[] encrypt(byte[] raw, byte[] clear) throws Exception {
SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
Cipher cipher = Cipher.getInstance("AES");
cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
byte[]...
System.Threading.Timer in C# it seems to be not working. It runs very fast every 3 second
... imageUploader: {
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...