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Last week I found a nice video about algorithmic combinatorial explosion. It was very interesting but it's a bit sad to see the big sister throwing away her life in order to teach her little students the perils of trying to compute combinatorial problems that grow very fast. The problem they studie
So I have been working these past months on my own programming language. It has been something that I've always wanted to do so I'm very happy that I can announce it here. Without further ado: Killa . I finished the 0.1 version months ago but real life just got busy on my end and I have been slacki
Dynamic Programming (DP) problems are fun, but they can be also difficult to solve. For a better definition than I could give you here I'll redirect you to the Wikipedia article , and there are some nice tutorials and sample problems in TopCoder and CodeChef . In this post I'm just going to
So I thought that porting a Game Boy Advance (GBA) console emulator written in JavaScript to Killa would be fun, boy I was wrong... All because I wanted to play with this: I ended ranting about bitwise operators and their issues in the languages I admire. The case of C Bitwise operation
I wanted to create a JavaScript port of my tetris clone using the HTML5 canvas element but I never got the drive to start it, so it was lingering for ages in my TODO list. The final push come after TypeScript , a little language from the father of industrial grade languages like Delphi and C#. Th
I "solved" another International Mathematical Olympiads problem: There are two circles in the plane. Let a point A be one of the points of intersection of these circles. Two points begin moving simultaneously with constant speeds from the point A, each point along its own circle. The two points re
Once upon a time, I considered myself a decent painter. I remember getting second place in some magazine for some Christmas teenagers contest and spending a whole summer painting furiously at my home in the highlands. But, truth be said, I'm awful compared with the professional painters and artists
I did this animation in Flash long time ago, but I wanted to see it on my iPhone so I ported it to JavaScript using canvas and web audio. The animation is a Pascal triangle reflected in the X and Y axis, where the empty cells are the numbers that are divisible by some random number (not prime
10 Codigo jQuery Añadir una clase css a un elemento Una forma muy limpio para cambiar un elemento de apariencia es agregar una clase css, en vez de añadir los estilos en línea. Usando jQuery, esto es bastante fácil de hacer: $('#midiv').addClass('miclase'); Quitar una clase css a un eleme
En este artículo explico como animar los desplazamientos dentro de una misma página. Tan solo haría falta este sencillo script y cargar la libreria jQuery. En esta pagina poder ver un ejemplo de dicha animación $(function(){ $('a[href*=#]').click(function() { if (location.pathname.
En esta oportunidad les traigo una util pagina, al menos para mi, Flipping Typical permite comprobar gracias a una combinación de JavaScript y CSS todas las fuentes que tienes instaladas en tu ordenador, para que sea posible ver desde su website cómo queda un texto cualquiera en todas estas tipograf
Avoid losing your AdSense account with this anti-fraud click for blogger many times we lose our account for not having protected the ads and banning the Adsense account as google tells us that we as publishers must protect from invalid clicks that make malicious users, by the Google Adsense polici
change the type of html form input when clicking on JavaScript, without jquery change input type when clicking,html JavaScript Sometimes we want to change the type of the input of a form of an HTML code, in order to show the user information when they click on a form or field, wbma
how to read a flat text file hosted from the server with javascript only line by line Read flat file txt with javascript welcome to mbajava the website where you learn to program step by step, in this class you will learn to read a flat file txt only using javascript, as o
how to create a table automatically with javascript and html create a table dynamically with javascript to create a table dynamically, that looks like an array, for an array tour:
tuto mbaja.com
dynamic crossword with javascript for 2 players with arrays plus css interface Dynamic crossword with javascript 2 players long ago in the university I placed a project in which, had to register 2 players , in a form with which they should validate their fields name, surname etc
JQuery , la famosa libreria Javascript para manejo de infinidad de cosas en la web, sino la conoces, pues deberías , con una gran cantidad de funcionalidad y plugins para casi todo, hasta existen motores de juegos basados en esta librería. En esta ocasión, un tutorial muy básico para
Supongamos que hiciste tu formulario de subida de imagenes algo similar al que te mostré en Tutorial PHP : Subir imagen y guardar direccion de base de datos , pero quieres hacerlo algo mas vistoso, o simplemente mejorar su utilidad, haciendo un preview de la imagen a subir antes que v
Internet se ha vuelto hoy en día en un elemento muy importante dentro de la vida de cada persona. Es interesante averiguar cómo era la vida antes del uso de Internet: no había redes sociales, videos de YouTube, televisión digital, etc.; en cambio, se veía televisión, incluso, en blanco y negro, o s
Many times we want to develop an automation and an automatic program that allows browsing to download files using the google chrome browser, but in this development we need the program to send a script to enable automatic downloads of any file, a drawback with chromium is that we must click on the o
Many times we want to develop an automation and an automatic program that allows browsing to download files using the google chrome browser, but in this development we need the program to send a script to enable automatic downloads of any file, a drawback with chromium is that we must click on the o
dynamic crossword with javascript for 2 players with arrays plus css interface Dynamic crossword with javascript 2 players long ago in the university I placed a project in which, had to register 2 players , in a form with which they should validate their fields name, surname etc
how to read a flat text file hosted from the server with javascript only line by line Read flat file txt with javascript welcome to mbajava the website where you learn to program step by step, in this class you will learn to read a flat file txt only using javascript, as o
how to create a table automatically with javascript and html to create a table dynamically, that looks like an array, for an array tour:
tuto mbaja.com
change input type when clicking JavaScript
change the type of html form input when clicking on JavaScript, without jquery change input type when clicking,html JavaScript Sometimes we want to change the type of the input of a form of an HTML code, in order to show the user information when they click on a form or field, wbma
Avoid losing your AdSense account with this anti-fraud click for blogger many times we lose our account for not having protected the ads and banning the Adsense account as google tells us that we as publishers must protect from invalid clicks that make malicious users, by the Google Adsense polici
bueno muchachos aqui les dejare un link para utilizar cuando el usuario entre a una web y de click en cualquier lugar se abra una ventana emergente con una publicidad de mobidea o un acortador para visitar esa publicidad y asi tener esa visita ,mobidea lo permite y los acortadores tambien lo que no
bueno muchachos aqui les dejare un link para utilizar cuando el usuario entre a una web y de click en cualquier lugar se abra una ventana emergente con una publicidad de mobidea o un acortador para visitar esa publicidad y asi tener esa visita ,mobidea lo permite y los acortadores tambien lo que no
JQuery , la famosa libreria Javascript para manejo de infinidad de cosas en la web, sino la conoces, pues deberías , con una gran cantidad de funcionalidad y plugins para casi todo, hasta existen motores de juegos basados en esta librería. En esta ocasión, un tutorial muy básico para
Supongamos que hiciste tu formulario de subida de imagenes algo similar al que te mostré en Tutorial PHP : Subir imagen y guardar direccion de base de datos , pero quieres hacerlo algo mas vistoso, o simplemente mejorar su utilidad, haciendo un preview de la imagen a subir antes que v