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El Mundo de Ada

04- Smart Contracts en Ethereum | El Mundo de Ada

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00:00 / 00:28:46

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<blockquote class="wp-embedded-content" data-secret="LQH8nRfE0Y"><a href="https://blogdedavid.com/podcast/04-smart-contracts-en-ethereum-el-mundo-de-ada/">04- Smart Contracts en Ethereum | El Mundo de Ada</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://blogdedavid.com/podcast/04-smart-contracts-en-ethereum-el-mundo-de-ada/embed/#?secret=LQH8nRfE0Y" width="500" height="350" title="«04- Smart Contracts en Ethereum | El Mundo de Ada» — El Blog de David" data-secret="LQH8nRfE0Y" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://blogdedavid.com/wp-includes/js/wp-embed.min.js </script>

¿Te imaginas una máquina expendedora donde introduces una moneda y obtienes tu refresco sin que nadie intervenga? Así funcionan los contratos inteligentes (smart contracts) en la red Ethereum: programas informáticos autoejecutables que cumplen condiciones preestablecidas sin depender de abogados, bancos ni notarios.

El Mundo de Ada

03-El poder de Ethereum

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00:00 / 00:32:00

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<blockquote class="wp-embedded-content" data-secret="Rsgfiv2sI8"><a href="https://blogdedavid.com/podcast/03-el-poder-de-ethereum/">03-El poder de Ethereum</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://blogdedavid.com/podcast/03-el-poder-de-ethereum/embed/#?secret=Rsgfiv2sI8" width="500" height="350" title="«03-El poder de Ethereum» — El Blog de David" data-secret="Rsgfiv2sI8" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://blogdedavid.com/wp-includes/js/wp-embed.min.js </script>

Ethereum es una plataforma descentralizada de código abierto basada en tecnología *blockchain* que funciona como un ordenador global.

El Mundo de Ada

02-React.js | El Mundo de Ada

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00:00 / 00:14:21

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<blockquote class="wp-embedded-content" data-secret="5XzcWhvwZO"><a href="https://blogdedavid.com/podcast/02-react-js-el-mundo-de-ada/">02-React.js | El Mundo de Ada</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://blogdedavid.com/podcast/02-react-js-el-mundo-de-ada/embed/#?secret=5XzcWhvwZO" width="500" height="350" title="«02-React.js | El Mundo de Ada» — El Blog de David" data-secret="5XzcWhvwZO" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://blogdedavid.com/wp-includes/js/wp-embed.min.js </script>

Si estás aprendiendo desarrollo web, seguro te has topado con una palabra que suena en todas partes: React.js. Pero, ¿qué es exactamente y por qué revolucionó la creación de interfaces?

El Mundo de Ada

01-TypeScript | El Mundo de Ada

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00:00 / 19:32

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<blockquote class="wp-embedded-content" data-secret="b1X9LOqxP9"><a href="https://blogdedavid.com/podcast/01-typescript-el-mundo-de-ada/">01-TypeScript | El Mundo de Ada</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://blogdedavid.com/podcast/01-typescript-el-mundo-de-ada/embed/#?secret=b1X9LOqxP9" width="500" height="350" title="«01-TypeScript | El Mundo de Ada» — El Blog de David" data-secret="b1X9LOqxP9" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://blogdedavid.com/wp-includes/js/wp-embed.min.js </script>

Si alguna vez has lidiado con errores inesperados en JavaScript justo antes de un despliegue, TypeScript es tu mejor aliado. Creado por Microsoft, es un superconjunto tipado de JavaScript que compila a código estándar, lo que significa que todo lo que ya sabes de JS sigue funcionando, pero con superpoderes.