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Getting the post ID from a WordPress content on an external site
In case you need to get the post/page/{$custom_type} ID from a WordPress content, from a remote site or no direct access to the database, here’s an easy and reliable way to do it.
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Copying theme mods to child theme using wp-cli
“Child themes” in WordPress allow for specific modifications of the look and functionality of those inherited from their “parent” theme. Unfortunately, when you switch to the child theme, the customizations configured on the parent theme are lost, because they’re saved with the active theme slug. So, here’s a quick and simple way to “inherit” those […]
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It’s time for Debian
Jonathan Carter, Debian Project Leader, writes about the end of CentOS as we know it — their recent decission to base newer releases on CentOS Stream instead of a more stable branch now makes it a less-than-ideal choice for servers. Earlier this year, I switched away from Ubuntu after close to 10 years of using […]
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Javascript para programadores impacientes
JavaScript for impatient programmers — a pesar del título, explica con harto detalle incluso los aspectos más básicos del lenguaje. Está actualizado hasta ES 2019 por lo que es especialmente útil para refrescar cosas de sintaxis y nuevas funcionalidades que se han ido incorporando al lenguaje. El libro está prácticamente entero, sólo hay un par […]
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Registering custom URLs with custom templates in WordPress (without using page templates)
It’s fairly common to find yourself on a situation where you want to use a specific URL to show a custom content (perhaps something an archive page with two different custom post types), and think: “well, that’s easy. I’ll just create a page to register the URL and a custom page template where I’ll query […]
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Mitigating CVE-2018-6389 WordPress DoS attack with lighttpd
Early in 2018, Barak Tawily published a possible DoS attack for WordPress, that basically works by requesting all possible scripts on the /wp-admin/load-scripts.php, a script that fetches and concatenates javascript files — there’s also a load-styles.php file that does the same for styles. His vulnerability report was rejected by the WordPress team, on the account […]
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Filtering active menu element class on WordPress
When using a navigation menu on WordPress, you’ve probably seen the various HTML classes that are added on active elements, such as current-menu-item, current-menu-parent, current-menu-ancestor… While that kind of classes are fine if you must fully reflect the navigation hierarchy on the menu element, there are some times that you just need a more simple […]
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Let’s talk about usernames
Usernames are a much, much harder problem than what you might think at first glance… even if you can get away with a really simple and naive implementation on a prototype, a large, global and secure service must consider lots of not-so-obvious details and possible attack vectors. Let’s talk about usernames deals with the problem […]
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In Praise of Theory in Design Research: How Levi-Strauss Redefined Workflow
It is now well known that people use technology in unexpected ways (at least, in ways that software engineering and product teams had not intended) […] Our original charge was to find ways to improve and optimize users’ browser workflows following software and design-oriented assumptions. Instead, we saw that users were doing just fine with […]
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Understanding Ethereum Smart Contracts
I've always heard that "Ethereum has better technology" than Bitcoin, and that's mostly because of Smart Contracts… which I'm still struggling to understand, if only a little less thanks to this excellent article by Gjermund Bjaanes