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Canonical link element. A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical" or "preferred" version of a web page[1][2] as part of search engine optimization.

Canonical link element

It is described in RFC 6596, which went live in April 2012. Duplicate content issues occur when the same content is accessible from multiple URLs.[3] For example, would be considered by search engines to be an entirely different page from even though both URLs return the same content. Another example is essentially the same (tabular) content, but sorted differently. Canonical tags can also be useful to solve www and non-www duplicate content—where two URLs, identical except that one begins with "www" and other does not, point to the same page. This particular problem can be solved by proper use of the canonical tag.[4][5] According to Google, the canonical link element is not considered to be a directive, but a hint that the web crawler will "honor strongly".[1] Examples[edit] Git Tutorials and Training. Tomasz Kowalczyk. Najlepsze portale medyczne dla pacjentów - Rynek Informacji.

A Collection Of High Quality Free Medical Icons. We continue to showcase freebies in our blog.In today’s post we have gathered free medial icons for you.These icons can be used in all health related websites like hospital websites or in touch screen application menus.You can find all kinds of medical icons in the below icon sets.

A Collection Of High Quality Free Medical Icons

Mix Collection Of Free Icons For Almost Every Kind of Design ProjectCollection of High Quality and Free Music Icon PacksUltimate Collection of Free Wooden Icons for Web Designers and Developers Medical Tools Icon Source Medical Sketch Icons. CVS—Concurrent Versions System v1.11.23. How to disable HTML links. MySQL: Błąd „#1005 – Can’t create table (errno: 121)” podczas tworzenia kluczy obcych.

Konkurencja

Quick 'n' Comfortable Web Development in PHP. TinyMCE, jQuery and Ajax forms. Even thought this really seems easy, I believe there's stuff missing.

TinyMCE, jQuery and Ajax forms

Layout wyszukiwania. Open Source Search Server. Usługi medyczne - Ginekologia. Getting Started - Google Maps JavaScript API v3. Audience This documentation is designed for people familiar with JavaScript programming and object-oriented programming concepts.

Getting Started - Google Maps JavaScript API v3

You should also be familiar with Google Maps from a user's point of view. There are many JavaScript tutorials available on the Web. This conceptual documentation is designed to let you quickly start exploring and developing applications with the Google Maps API. We also publish the Google Maps API Reference. Obtaining an API Key All Maps API applications* should load the Maps API using an API key.

. * Google Maps API for Business developers must not include a key in their requests. To create your API key: Visit the APIs Console at and log in with your Google Account. Search engine indexing. Popular engines focus on the full-text indexing of online, natural language documents.[1] Media types such as video and audio[2] and graphics[3] are also searchable.

Meta search engines reuse the indices of other services and do not store a local index, whereas cache-based search engines permanently store the index along with the corpus. Unlike full-text indices, partial-text services restrict the depth indexed to reduce index size. Larger services typically perform indexing at a predetermined time interval due to the required time and processing costs, while agent-based search engines index in real time. Indexing[edit] The purpose of storing an index is to optimize speed and performance in finding relevant documents for a search query.

Index design factors[edit]

Sql performance

Concurrent Versions System - Adding, removing, and renaming files and directories. Go to the first, previous, next, last section, table of contents.

Concurrent Versions System - Adding, removing, and renaming files and directories

In the course of a project, one will often add new files. In-place editing with Twitter Bootstrap, jQuery UI or pure jQuery. Sizzle JavaScript Selector Library. Concurrent Versions System - Removing directories. In concept, removing directories is somewhat similar to removing files--you want the directory to not exist in your current working directories, but you also want to be able to retrieve old releases in which the directory existed.

Concurrent Versions System - Removing directories

The way that you remove a directory is to remove all the files in it. You don't remove the directory itself; there is no way to do that. Instead you specify the ‘-P’ option to cvs update or cvs checkout, which will cause CVS to remove empty directories from working directories. (Note that cvs export always removes empty directories.) DataTables (table plug-in for jQuery) Web services - maximum length of HTTP GET request. PHP charset/encoding FAQ - Kore Nordmann - PHP / Projects / Politics. By Kore Nordmann, first published at Fri, 30 May 2008 09:10:32 +0200 General. CSS-Tricks.

Developer Network. The Chromium Projects. HTML optgroup tag.

Jquery

Css. Systemy płatności. Przekierowanie portów na Livebox - www.jakzrobic.info - Dodał: exor dnia: 23 11 2008 Komentarzy: 12, ocena: 2,548.95. 960 Grid System. Inside India's CAPTCHA solving economy. No CAPTCHA can survive a human that's receiving financial incentives for solving it, and with an army of low-waged human CAPTCHA solvers officially in the business of "data processing" while earning a mere $2 for solving a thousand CAPTCHA's, I'm already starting to see evidence of consolidation between India's major CAPTCHA solving companies.

Inside India's CAPTCHA solving economy

The consolidation logically leading to increased bargaining power, is resulting in an international franchising model recruiting data processing workers empowered with do-it-yourself CAPTCHA syndication web based kits, API keys, and thousands of proxies to make their work easier, and the process more efficient. One of the services in question is the India based decaptcher.com, which will allow you to retrieve its API once you put. Displaying reCAPTCHA Without Plugins - reCAPTCHA. This page explains how to display reCAPTCHA without using a plugin.

Displaying reCAPTCHA Without Plugins - reCAPTCHA

We offer a variety of plugins for different applications and programming environments, such as PHP and ASP.NET, and we encourage you to look at our multiple plugins before proceeding with the "Do-It-Yourself" installation instructions below. Overview Before getting into the details, it's worth seeing a high-level overview of how reCAPTCHA works. Twig - The flexible, fast, and secure PHP template engine - Homepage. Haanga - über efficient template engine for PHP. PHP Template Engine Comparison « Gonzalo Ayuso. I’m going to face a project using a template engine with PHP.

PHP Template Engine Comparison « Gonzalo Ayuso

Because of that I’m will perform a small benchmark test of several PHP template engines. That’s not an exhaustive performance test. It’s only my personal test. Template engines has a lot of features but I normally only use a few of them and the other features very seldom. In this performance test I will check the same features under different template engines to see the syntax differences and the performance.

JavaScript

Atom. How to select the first/least/max row per group in SQL at Xaprb. Here are some common SQL problems, all of which have related solutions: how do I find the most recent log entry for each program? How do I find the most popular item from each category? How do I find the top score for each player? In general, these types of “select the extreme from each group” queries can be solved with the same techniques. I’ll explain how to do that in this article, including the harder problem of selecting the top N entries, not just the top 1. This topic is related to numbering rows, which I just wrote about (see my articles about MySQL-specific and generic techniques to assign a number to each row in a group). +--------+------------+-------+ | type | variety | price | +--------+------------+-------+ | apple | gala | 2.79 | | apple | fuji | 0.24 | | apple | limbertwig | 2.87 | | orange | valencia | 3.59 | | orange | navel | 9.36 | | pear | bradford | 6.05 | | pear | bartlett | 2.14 | | cherry | bing | 2.55 | | cherry | chelan | 6.33 | +--------+------------+-------+

Obejmowanie "floatów"

6 Embeddable HTML Editors for Your Website Compared. NicEdit - WYSIWYG Content Editor, Inline Rich Text Application. "For Dummies" WYMeditor - web-based XHTML editor - Home. Cascading Style Sheets Level 2 Revision 1 (CSS 2.1) Specification. This specification defines Cascading Style Sheets, level 2 revision 1 (CSS 2.1). CSS 2.1 is a style sheet language that allows authors and users to attach style (e.g., fonts and spacing) to structured documents (e.g., HTML documents and XML applications). By separating the presentation style of documents from the content of documents, CSS 2.1 simplifies Web authoring and site maintenance. Ajaxload - Ajax loading gif generator. Reading local files in JavaScript. Introduction HTML5 finally provides a standard way to interact with local files, via the File API specification.

Reading local files in JavaScript

As example of its capabilities, the File API could be used to create a thumbnail preview of images as they're being sent to the server, or allow an app to save a file reference while the user is offline. Additionally, you could use client-side logic to verify an upload's mimetype matches its file extension or restrict the size of an upload. The spec provides several interfaces for accessing files from a 'local' filesystem: UI for the Web powered by HTML5, jQuery & CSS3. Help:Formatting. You can format your text by using wiki markup. This consists of normal characters like asterisks, apostrophes or equal signs which have a special function in the wiki, sometimes depending on their position. GD Graphics Library. The easiest way to share your Git, Mercurial and Subversion repositories over http.