AI news, programming and apps by Radek Jančík
When you fetch data from a service, you will often get it as JSON. For these cases, Dart has a dedicated JSON class, which lives in the Dart SDK library dart:convert. Here we will focus mainly on its static method decode. Say another page or handler returns this string: {"web":"pacman"}. How do you get the …
Read More The Basics of Decoding JSON in DartToday I spent quite a long time on this, about 2 hours. I kept trying the static methods of the dart:html.HttpRequest class, but no matter what I did, I just couldn’t get the content of the page or handler, whether I tried the asStream or getString methods followed by then() or other methods – everything …
Read More How to get the content of another page/handler in DartToday I picked up a phone for my dad at the post office, and now I’m playing with it before I restore it to factory settings again. It’s something like a Nokia Asha, just from LG 😀 The phone has 6 dedicated buttons; 3 are touch-sensitive and the rest are hardware buttons. The touch buttons …
Read More Mini Review of the LG T30 T585On my website I have always avoided using display values that start with table. That was clearly a mistake. So today I bring you a guide on how to build columns so that when you add some content, for example with JavaScript, the #content element automatically grows in height without any height calculation in JavaScript …
Read More The Best and Simplest Way to Build a Dynamically Adaptive Page LayoutI have just finally and successfully moved the posts on my blog whose titles contained “Windows 8 Apps Controls: ” over to my website. Right after I first published them on the blog, I was told that the reader had expected them somewhere else, either on a wiki or on my own website, but never …
Read More Windows 8 Apps Controls on my website, separate from the blogI worked on this for more than 2 days. Originally I expected to fit it comfortably into 1 day, but so many problems and complications came up that I am glad it only took 2.25 days. On day 1 I removed hidden images from the HTML of the blog posts wherever they were not needed …
Read More Finally at the Old-New Address, but on a Brand New CMS: WordPressTypeScript does not support the arguments keyword/object/array inside a method. Instead, it introduces a special definition in the method signature, which looks like this, for example: …args:string[]. The three dots mean that from this parameter on, you can pass as many values as you like to the method. string is the type that every object …
Read More How to pass an unlimited number of arguments to a TypeScript methodI put this together just quickly, but adding more features to it shouldn’t be a problem. What bothers me most right now is that the pager always shows a maximum of 5 “pages”, plus buttons on the side for jumping to the previous set of “pages” or, likewise, the next set. Another thing that bothers …
Read More The cache list on my GC website can now filter and paginateI worked on this for about 5 days. In total it consists of 7 pages available to every signed-in user and 3 pages accessible only to me as the admin. So how does it actually work? There is, of course, no “something for something” principle here, meaning a user doesn’t have to create anything (such …
Read More BibleServer can now create, share and read reading plansI thought for quite a while about whether to publish this article, and in the end, here it is… I worked on it for a day and a half, and it still isn’t completely finished, but I’m already happy enough with it that I won’t be improving it any further – at least not for …
Read More BibleServer has learned a small new trick – showing a randomly drawn verse (or group of verses)