I was looking for a JavaScript code that will check, if passed variable is a valid JSON, no matter, if it is an object or string. I failed with that, because I only found separate solutions for either object or string. Though its authors claimed that they work fine for both objects and strings, as simple check found out this is not true.
Usually mobile applications have a header and a footer, both of a fixed height, and remaining body, that fills the rest and contains entire application content. No matter if main application content is long enough to produce vertical scrollbar or not, header and footer are always visible and always have fixed height.
A layout like this can be build in pure CSS and HTML. Thus it is useful for PhoneGap applications developers.
Read More “An app-like full screen layout in CSS”It turned out that in current version of Apache you’re limited to 255 characters at most between each pair od slashes (after URL decoding is done). This short article discusses this issue and maybe useful to all developers, who are dealing with “beauty” (SEO-optimized) URLs, like for example URLs to blog posts containing entire title inside.
This is a rare situation (255 characters limit between slashes, not for the entire URL), but still worth exploring.
Today I have came across Piotr Konieczny’s presentation on Google SEO Hacking and I found page 60 out of it quite very interesting. It includes map of ho areas of your website, that is places, where your visitor’s eyes are placed at first and where they stays the longest period of time.
It is taken form Google and is made purely for SEO, but you can also use it to enhance design of your website, i.e. put the most important elements of your layout there, where they will be found fast and for sure.
Nearly every webdeveloper knows, what CSS reset is. Basically, this is a carefully crafted CSS file that makes browsers render all elements more consistently and in line with modern standards. In other words, they try to make your page look similar in all browsers. Today, I came across Normalize.css, a project by Nicolas Gallagher and Jonathan Neal, and wanted to share my thoughts.
Read More “Normalize.css. A modern alternative to CSS resets”
I wanted some nice function, that will return all DOM elements:
For example, to get all list items (<li>) with some class, but inside <ol> rather than in entire DOM tree.
I failed to find one of such, so I wrote it.
Read More “Get all elements of particular type and class without jQuery”For every project, where I can’t use jQuery and must rely on pure Javascript, I must search the Internet over and over again to find some cookie setting and reading code. Finally, I decided to write a short memo to future myself, to have this code handy in my blog. Here it is.
Read More “Getting and setting cookies without jQuery. The quickest approach”I had to do some strange listening stuff with even more strange Chineese GPS locator, that was weird enough to use UDP protocol only. Since there was absolutely no technical guide for these devices (at least, when I was looking for them), I had to listen for everything on every port of my local server to see, what this damn box is actually sending.
Since I’m kind of Linux newbie, I asked this Unix & Linux question and got answer enough worth for me, that I decided to put some summary of them to my own blog.
Read More “Scanning all incoming traffic. Proper use of tcpdump”
To express 0-1 state checkboxes are mostly used in websites. A two-state button used instead can be a bit more nicer and interesting. You can create it in HTML, CSS and Javascript/jQuery quite easy.
Here, is how to do this.
Read More “Two-state button with HTML, CSS and jQuery”This article shows different methods on checking, if checkbox is check or set of checkboxes are set. jQuery is used. It also discussed some additional issues about this topic.
Read More “Checking if checkbox is checked using jQuery. Various methods and issues”
This is a memo for me, to have all or at least most important and most common error codes, that can be returned by any socket-related function (socket_*) in PHP, handy in one single blog post.
PHP is the most popular programming language for development of webpages and web services. With addition of a good framework it can even produce a professional results. However, this does not change the fact, that it is also the most shitty programming language in the world, full of garbage and with number of stupidities beyond imagination. And professional programming (without a good framework) is impossible.
Even though this is a language of my choice (only after cleaning it from all the shit, by using a good framework), I decided to write this article, where I’m pointing out most annoying and stupid things, I ever found in PHP.
Notice, that I’m not talking here about things that some may see as wrong, while other will see as good. For example, I’m not talking about types auto-declaration and auto-change, which ones (mostly newbies) takes as ease of coding and others (mostly profs) as source of mess.
I’m talking here only about pure madness, confirmed piece of shit and horrible pain in the ass, this language is.
Please, take also into consideration that this text was written under strong emotional influence and thus it (intentionally!) contains a lot of harsh language and words or phrases that some readers may not accept.
Read More “Things for which I trully hate PHP and its creators”
Your computer has been blocked by a police due to serious crimes you did and the only way to unblock it is to pay a ransom? Even a complete moron should understand that real police (or any other legal, law-oriented forces) has nothing to do with it. Here, you’ll find, why and most important — how to get rid of this problem, without loosing your data (in most cases).
Read More “Get rid of Police-blocked computer or other type of ransomware”
Rowid is a special, hidden column added to each SQLite database table (and to many more RDBMSes), which uniquely refer to a row. But, there are some things about rowid, that some people may not be aware of.
I know, that for some this could be a trivial. But it was not so obvious to me and since this is my blog, I can decide, what will be published here, right? :]
Read More “Some SQLite Rowid Issues”So, there I was… needing to have any solution, that will allows me to write my very own port listener. Since the only language, in which I am handy is PHP, I was forced to be able to run PHP script without interruption, 24 hours a day, 7 days a week. That was a bit of challenge for me, given my quite very limited Linux knowledge, but — as they say — the only thing not possible in IT is to open an umbrella in your ass! :>
Read More “screen: Force program to continue after logging-off from the console”
At some point it turned out, that using web-panel build-in formatting functionality on board my QNAP TS-210 failed at some certain situations, when I was attempting to format my external USB drive. I did some research and came with conclusions, that I want to share in this article.