Archive for the ‘css’ Category

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Developing for Opera

Thursday, July 16th, 2009

I’ve recently put a lot of time into Zemanta stuff working in Opera. There are a few things I’ve noticed that really bother me as a developer when developing for Opera.

OperaImage via Wikipedia

  1. The easiest way to be sure you’re getting a non cached file is to actually have it open in a tab and reload that tab. Emptying the cache does not seems to work as I’ve found out while caught in an alert loop.[1]

  2. I found the “don’t run scripts on this page anymore” checkbox in the alert box fascinating, but less so after I clicked it and couldn’t find a way to turn scripts back on for that specific page. Fortunately restarting the browser did the job.

  3. We load a loader.js that in turn loads other Javascript and CSS files. Unfortunately it seems I have to manually load these files in tabs in order to get them to work – even though I can see them in Dragonfly when I click them they seem to be blank. When I reload, the content appears. After that they work as expected. But even then I don’t see them loaded in the Network tab of Dragonfly.

  4. Can’t get the CSS loaded from a script to work. I don’t have any ideas, they just don’t work. I don’t see them in Dragonfly network tab (but I don’t see Javascript files either and they work).

  5. When using Dragonfly I cannot get out of the inspect DOm mode so I can’t use the site to do something while watching what is happening in the DOM – what you must do is switch to a different tab, do your stuff and then switch back.

  6. When you look at errors on a WordPress page Opera spits out loads of “-… is an unknown property” – thanks very much but properties that start with a – are supposed to be unknown to most of the browsers as they are vendor specific. This means that finding the error you’re looking for is much more difficult than it should be.

What I really hate the most when working with Opera is the lack of information about what is going on. They’ve added some really nice features in the recent releases but it is still quite far away from being a browser that people develop for. In this way it is sort of similar to IE but IE is a must and Opera isn’t…

If any of these are my mistakes I’d be glad if someone set me straight and taught me to use Opera as a developer. I bet others would too.

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  1. When you have a loop that alerts something and you keep getting the alert – the only way of getting out is removing the alert from code, emptying cache and trying to hit reload between alerts. In Opera this does not seem to work as the only way to get the new file is to reload the file and you can’t do that between alerts. back
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Posted in browsers, companies, css, html, ie, javascript, opera, software, standards, technology, thoughts, zemanta | 1 Comment »

Speaking about the web of data

Wednesday, February 25th, 2009

Today at 19:00 CET I’ll be speaking at a local web meet-up about the web of data. There’ll be a live feed of the talk available and since I’ll be speaking in English you can tune it. This is a quick translation of the abstract posted on Slovenian sites:

Numerous services are emerging on the web that provide data in a computer friendly form through APIs, microformats, feeds,… Even your blog is actually a database as it syndicates its content via feeds and new posts trigger a ping you can subscribe to.

This fact opens new ways of collaboration – so called mash-ups, but this isn’t really a new concept. What’s new about it is the fact that we don’t use this word anymore as all the new services are some sort of a mash-up leveraging existing services. But accessing data is not the only way to leveraging these services – it’s becoming increasingly easy to create an application that lives in other applications without their approval through browser extensions and bookmarklets.

Marko Mrdjenovič from Zemanta will talk about what you can do to make your site more mash-up friendly and why that’s becoming increasingly important. As a developer I’ll also present what options you have and give a few tips on what to do and what to avoid when developing these kind of apps.

If you have any questions during the talk use twitter to tell me and I’ll try to answer them. Or put them in the comments.

Update: The video is now online. It’s in English so go watch it and tell me what you think.

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Posted in ajax, browsers, companies, css, design, events, firefox, frameworks, ie, interface, javascript, microformats, openid, opera, posh, safari, software, spletne urice, standards, technology, zemanta | No Comments »

Discovering Greasemonkey again

Friday, August 15th, 2008

Meissner effect: levitation of a magnet above ...Image via Wikipedia I’ve been rediscovering the joy of Greasemonkey scripts lately. For those who don’t know, Greasemonkey is one of the best extensions for Firefox ever made (the other being Zemanta of course:) that allows you to run JavaScripts on specified pages. This doesn’t really mean much to the non-technical crowd, but to us geeks this means you can do almost whatever you want with the page. As I make more and more of these I decided to share them here.

For my Slovenian readers

  1. Finance unfixed is a script that will unfix the header of finance.si. This means the header will scroll and you’ll get more space to read the article.
  2. RTVSlo OI is a script that will remove the header from the OI page on rtvslo.si again leaving you with more real estate for reading.
  3. Delo is a script that will help your eyes when reading delo.si news site since it’s small default line-height might make them hurt.

Developers

  1. JSLint highlighter will help you read the JSLint results. If you write JavaScript and don’t know what JSLint is you should go check!

How to work it

Well first you have to have Greasemonkey installed. After that installing a user script should be as simple as a click of a link. When a script activates you’ll see a little green box that will say ‘Greased’ in the top right corner. Clicking it will toggle the script – either it’s on and active (green) or off and the page looks as it would in the first place (red). You can also toggle the script with alt+g.

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Posted in browsers, css, design, firefox, greasemonkey, interface, javascript, layout, software, technology, typography | 1 Comment »

Firefox 3 Release Event 2008

Tuesday, June 24th, 2008

So I’ll be talking at Firefox 3 Release Event at Kiberpipa today. Feel free to come listen to the talks or just come to the party. If you can’t come you can watch the whole thing online (the link is likely to be available somewhere on the event page).

Posted in browsers, css, design, events, firefox, firefox3releaseparty, general, html, javascript, microformats, services, software, standards, technology, whatwg | No Comments »

Redesigned media

Thursday, May 29th, 2008

A couple of Slovenian newspaper sites redesigned recently (today?). I got the news on Twitter. I’ll try to review what they’ve done1.

Delo

Newspaper vendor, Paddington, London, February 2005Image via WikipediaFirst notified by had, I was eager to see the new design and code. The design is very very wide — a good link to the newspaper that is probably the widest/biggest in Slovenia. At 1024×768 you see all the content, but the banner on the side is missing — I hope they subtract these users when selling ad space (or they should get ToboAds that actually count only the ones that are seen by the user using advanced JavaScript).

The design is boring with only the RSS icons giving it some color. It gives no feedback on links, the font on the front page is too small (11px) and it doesn’t hold its text–resizing well. The content is a bit hard to read with the font size at 12px, width of 600px (50em) and line–height at normal. There doesn’t seem to be any vertical rhythm applied. It’s also very hard to figure out where you are in the structure since some of the navigational elements seem to vary in color for no apparent reason.

The underlying code is disappointing. It’s really something that you would just delete and start over. It suffers from inline styles, divitis, classitis, inline scripts, validation errors (163 for the front page) and overall ugliness. The front page needs 67 requests and 724kB to load in 3.24 seconds (there are a few banners on the site though). Disappointing but expected is the fact that they don’t use Microformats but I was positively surprised that you can use OpenID to log in — I’ve never left a comment on local news sites because you need to register with each one. And I never do.

Mladina

Posted by Tomaž Štolfa it’s actually not available yetavailable now through www.mladina.si but can be accessed directly through www.mladina.si/dnevnik/. It’s a nice page but with a shift in concept — the magazine is a weekly publication while the online edition will publish daily (or probably all the time). It too is wider than the previous version with a width of 1024 leaning on the left side of the browser.

The design is nice and gives good feedback in use. It’s made on a simple 5—column grid with the 5th column being used only in the head and for the banner. The only thing that is quite annoying is the banner at the top that moves the whole page down another 90px for no good reason (at least not for the users?). The content is much easier to read with a 12px font size, 1.5em line–height at 563px width (~47em). It also makes use of few different typeface which adds to the overall experience of surfing. Vertical rhythm in text is achieved through crappy code with paragraphs being spaced with <br /> elements.

The code is nothing to look at. It has 71 validation error on the front page with the first ones starting in the head element (unclosed meta elements). It too sports inline styles and scripts (which are at least wrapped in CDATA) and it too suffers from a heavy infection of divitis. It even has some <center> tags that I haven’t seen for quite some time now. The front page loads in 2.54 seconds for 58 requests and 582kB with all requests except Google Analytics going to the same domain. Microformats are nonexistent and so is OpenID — no need to have registration if you can’t leave comments2.

  1. No need for a disclaimer anymore — I don’t know who designed or coded these pages and I don’t work at their competitors. back
  2. WHAT? Isn’t this supposed to be the most open and future thinking newspaper? back
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Form design

Sunday, May 25th, 2008

While trying to buy Luke Wroblewski’s book at Rosenfeld Media I had to create a new account. I filled out the form and submitted it but it didn’t go through. The message it gave was:

You did not complete all of the required fields before submitting information. Fields missing data are highlighted. Please try again.

The thing is none of the fields were highlighted. This means that after scanning the form I just resubmitted it and of course I got the error message again. After the second try I went through the form field by field and found out that I have to select “Not Applicable” for the “State” field if I’m not in US or Canada. Why is empty different from “Not Applicable”?

By the way — the book I was buying is called Web Form Design: Filling in the Blanks :)

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