Webydo, creando webs sin conocimientos de programación -

Hoy en día se crean páginas web con muchos fines: desplegar información personal, crear contenido, presentar proyectos… los diferentes usos que hacemos de ellas van directamente relacionados con lo fácil que supone crear una web hoy en día, cosa que a menudo podemos hacer sin demasiados conocimientos de programación.

Esto nos lo permiten herramientas como Webydo, un proyecto muy interesante que nos permite, teniendo conocimientos básicos de diseño gráfico, crear páginas web de forma visual sin necesidad de tocar una línea de código y cuyo aspecto acaba resultando bastante limpio y profesional. Utilizando el sistema “what you see is what you get” (=lo que ves es lo que tienes), podremos crear las distintas partes de nuestro sitio web viendo las modificaciones al instante, tanto inclusión de imágenes como añadidos de texto, widgets, o cambios de diseño varios.

Webydo ofrece una versión gratuita con las funcionalidades básicas, y también nos ofrece una versión de pago en caso de que la queramos utilizar al completo (unos 8 dólares al mes).

Link: Webydo | Vía techcrunch

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How to Multiply -

Multiplication is one of the four basic operations in elementary arithmetic and can be considered repeated addition. It's the mathematical operation of scaling one number by another number. If you want to know how to multiply by the addition or the long multiplication method, just follow these steps.

Edit Steps

Addition Method

1. Write down the problem. You are solving the problem 4 x 3. This is really another way to say "3 groups of four."
   
   
   
   • You can think of this as repeated addition, where the number four will be repeated 3 times.
   
   
   
   


2. Solve through repeated addition. Knowing that each of the four groups have three objects, add 4 three times. 4 + 4 + 4 = 12
   
   
   
   • You can also find 4 groups of 3 instead. This will give you the same answer. Just add up the numbers in the problem 3 + 3 + 3 + 3 and you will get 12, the same answer.
   
   
   
   

Long Multiplication

1. Line up the numbers you are multiplying. Place the larger number on top of the smaller number and line up the units in the hundredths', tens', and ones' place. In the problem 187 * 54, you should line up 7 over 4, 8 over 5, and 1 over no number, since 54 has no number in the hundredths' place.
   
   
   
   • Write the multiplication sign below the top number and draw a line below the bottom number. You will start multiplying the numbers below the bottom line.
   
   
   
   


2. Multiply the number in the ones' place of the bottom number with the number in the ones' place of the top number. Multiply 4 * 7. Your answer is 28, so write the number 8 from the number 28 below the 4, and carry the 2 from the number 28 over on top of the 8.
   
   
   
   • Any time your answer is two digits long, carry the first digit above the number next to the top first right number, and place the second directly below the number on the second row you were using to multiply.
   
   
   
   


3. Multiply the number in the ones' place of the bottom number with the number in the tens' place of the top number. First, you multiplied 4 by the number in the ones' place; now, multiply it by the number in the tenths place. Multiply 4 with 8, the digit to the left of 7. 8 x 4 = 32. Remember that you had placed a 2 over the 8. Now, add it to your answer. 32 + 2 = 34.
   
   
   
   • Place the 4 from the number 34 below the line under the 8, next to the number 8 that you wrote down in the previous step.
   
   
   • Carry the 3 from the number 34 over the 1 in the number 187.
   
   
   
   


4. Multiply the number in the ones' place of the bottom number with the number in the hundreds' place of the top number. You just multiplied 4 by the number in the tenths' place; now, multiply it by the number in the hundredths place. 4 x 1 = 4. Now, add the number that you carried above one to your answer. 3 + 4 = 7. Write this number down on the line below the one.
   
   
   
   • You have used long multiplication to multiply 4 by 187 to get 748.
   
   
   • Note that if the top number had four or more digits, you would just repeat the process until you multiplied the number in the ones' place of the bottom number with all of the numbers in the top number, continuing to move from right to left.
   
   
   
   


5. Place a zero in the ones' place below your new product. Place a zero in the ones' place of the new row below the 8 in 748. This is just a placeholder for this method to show that you are moving on to multiply the tenths' place value.


6. Multiply the number in the tenths' place of the bottom number with the number in the ones' place of the first number. Multiply 5 times 7 to get 35.
   
   
   
   • Write down the 5 from 35 to the left of the 0 and carry the 3 from the 35 above the 8 in the top number.
   
   
   
   


7. Multiply the number in the tenths' place of the bottom number with the number in the tens' place of the first number. Multiply 5 by 8 to get 40. Add the 3 above the 8 to 40 to get 43.
   
   
   
   • Write down the 3 from 43 to the left of the 5, and carry the 4 from the 43 above the 1 in the top number.
   
   
   
   


8. Multiply the number in the tenths' place of the bottom number with the number in the hundredths' place of the first number. Now, multiply 5 times 1 to get 5. Add the 4 over the 1 to 5 to get 9. Write it down next to the 3.
   
   
   
   • You have done long multiplication to multiply 5 by 187. Your answer for that portion is 9350.
   
   
   
   


9. Add the top and bottom products. Just do simple addition to add your two products, 748 and 9350, and you're done.
   
   
   
   • 748 + 9350 = 10098
   
   
   
   

Edit Video

Edit Tips

• It doesn't matter which number is on the top and which number is on the bottom.


• If you have a three digit number for the second row, you will need two placeholders to move on to multiplying the hundreds place value. For the thousands place you will need three, so on and so forth.

Edit Related wikiHows

• How to Multiply Like the Ancient Egyptians


• How to Add


• How to Subtract


• How to Subtract Really Fast when Regrouping Is Needed

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Install Pepper Flash Player For Chromium In Ubuntu Via PPA -

As you probably know, the latest Adobe Flash Player versions are available on Linux only through Google Chrome, while other browsers are stuck with version 11.2. If you want to use Chromium browser instead of Google Chrome, here's an easy way to install Pepper Flash Player.

The latest Adobe Flash Player that's bundled with Google Chrome doesn't work with browsers like Firefox for instance, because it requires an API called "Pepper" that's only available in Google Chrome and Chromium. A while back we wrote about using Pepper Flash from Google Chrome in Chromium browser by installing Google Chrome and manually adding the Pepper Flash plugin but here's an easier way to do it under Ubuntu: by using a PPA.

In case you're wondering what are the differences between Google Chrome and Chromium (besides the logo), here are a few:

• Google Chrome is not open source (and thus not available in the official distribution repositories) while Chromium is;


• Google Chrome is tested by the Chrome developers while Chromium may be modified by distributions; for instance, Chromium in Ubuntu is modified to support the WebApps feature while Google Chrome, being closed source, doesn't come with these modifications and thus doesn't support WebApps;


• Google Chrome comes with optional user metrics;


• Google Chrome comes with proprietary plugins such as a PDF viewer and Adobe Flash Player (Pepper).

Install Pepper Flash for Chromium in Ubuntu

The Pepper Flash Installer available in the PPA automatically downloads Google Chrome (stable), extracts the Pepper Flash files and installs only those files. Google Chrome itself won't be installed.

The package is just an installer and doesn't contain any Google Chrome / Adobe Flash files, like the official flashplugin-installer or out oracle-java-installer.

To add the PPA and install Adobe Pepper Flash from Google Chrome in Ubuntu, use the following commands:

sudo add-apt-repository ppa:skunk/pepper-flash
sudo apt-get update
sudo apt-get install pepflashplugin-installer

Once installed, there's one more step to get Chromium to use the Google Chrome Pepper Flash Player: you need to open /etc/chromium-browser/default as root with a text editor (e.g.: gedit - which I'll use in the command below):

sudo apt-get install gksu #it`s not installed by default in Ubuntu 13.04
gksu gksu gedit /etc/chromium-browser/default

("gksu" is used twice to avoid a bug with Gedit opening a blank file next to our file)



and in that file, paste the followng line at the bottom of the file (after the CHROMIUM_FLAGS="" line):

. /usr/lib/pepflashplugin-installer/pepflashplayer.sh

(yes, there's a dot in the beginning of the line, then a space!)

That's it. Now restart Chromium browser, visit chrome://plugins and check the Adobe Flash Player version (it's possible you have two, there's no need to disable the old one because Pepper Flash will be used by default since it's newer) - it shouldn't be 11.2.x but a newer version (e.g.: 11.7.700.x at the time I'm writing this article).



Arch Linux users can install Pepper Flash for Chromium basically in the same way, by using THIS AUR package.

If you don't want to use a PPA for this, see: Use Pepper Flash Player From Google Chrome In Chromium Browser.

via lffl.org

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Originally published at WebUpd8: Daily Ubuntu / Linux news and application reviews.

MIT desarrolla sistema para almacenar energía eólica

La idea de trasladar las granjas eólicas al océano lleva un buen tiempo en el horno. Existen algunos ejemplos en operación como la granja Lillgrund en la costa sueca, y ya hemos publicado información sobre el proyecto AWC en el que participa Google, pero más allá de la capacidad que tienen estas instalaciones de generar electricidad, el carácter imprevisible del viento hace que su eficiencia pueda verse seriamente afectada. Una solución obvia es almacenar energía cuando la demanda es baja y se registra un exceso, pero en vez de usar baterías, la gente de MIT ha presentado una alternativa basada en esferas gigantes de hormigón, que además de servir como “ancla” para cada turbina de viento, pueden guardar energía y entregarla a la red principal en cuestión de minutos.

Ver articulo completo: MIT desarrolla sistema para almacenar energía eólica

FixBee, optimiza y desfragmenta tu disco duro -

Aunque sigue pasando el tiempo y uno supone que Windows debiera ir mejorando ciertas cuestiones, lo cierto es que siguen prácticamente igual que hace varios años, en concreto estamos hablando de actividades que nos permite optimizar el sistema, como puede ser el caso de la desfragmentación de disco. Algo que conocimos en los lejanos tiempos del DOS y que sigue estando presente en todas las versiones de Windows, y no sólo eso sino que la problemática aumenta a medida que también lo hace el tamaño de nuestras unidades de disco.

Algo que en la actualidad queda evidente con sistemas que tranquilamente superan el terabyte de espacio, y es que como todos sabemos un sistema ordenado es mucho más ágil y de respuesta más estable. Así pues, las herramientas para desfragmentar nuestras unidades están entre nuestras preferidas, y por hoy queremos presentar una llamada FixBee.

Se trata de una aplicación que básicamente funciona de manera similar a otras que hemos conocido y mostrado aquí, como CCleaner, iBoostUp, D7 o Simple Perfomance Boost, y que principalmente se basa en ofrecernos la optimización de nuestro disco duro. En principio a través del análisis del uso de nuestros discos y luego sugiriéndonos su desfragmentación en caso de ser necesario.

Pero esto soluciona una parte del problema, y si nuestro disco sigue lleno de archivos temporales y basura las cosas seguirán estando bastante lentas, por eso también es importante eliminarlos cada tanto y eso, claro está, también lo tenemos incluído en FixBee. Como vemos, se trata de una herramienta que no tiene las opciones de otros competidores, pero a cambio de esto es ligera y bien sencilla de usar, por lo que podemos recomendarla sin problemas a aquellos usuarios que no son expertos.

Sitio Web: FixBee

Descarga FixBee

FixBee, optimiza y desfragmenta tu disco duro es un post de Visual Beta