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The purpose of CAPTCHAs is to prevent spam on websites, such as promotion spam, registration spam, and data scraping. Many websites use CAPTCHA effectively to prevent bot raiding. CAPTCHAs are designed so that humans can complete them, while most robots cannot. [ 14 ] Newer CAPTCHAs look at the user's behaviour on the internet, to prove that ...
reCAPTCHA Inc.[1] is a CAPTCHA system owned by Google. It enables web hosts to distinguish between human and automated access to websites. The original version asked users to decipher hard-to-read text or match images. Version 2 also asked users to decipher text or match images if the analysis of cookies and canvas rendering suggested the page ...
Besides the introduction of mutations, Overlap Extension PCR is widely used to assemble complex DNA sequences without the introduction of undesired nucleotides at any position. This is possible since OE-PCR relies on the utilization of complementary overhangs to guide the scarless splicing of custom DNA fragments in a desired order.
FUDforum is a free and open-source Internet forum software, originally produced by Advanced Internet Designs Inc., that is now maintained by the user community. The name "FUDforum" is an abbreviation of Fast Uncompromising Discussion forum. [2] It is comparable to other forum software. FUDforum is customizable and has a large feature set ...
The PHP Extension Community Library (PECL) project is a repository for extensions to the PHP language. [254] Some other projects, such as Zephir, provide the ability for PHP extensions to be created in a high-level language and compiled into native PHP extensions. Such an approach, instead of writing PHP extensions directly in C, simplifies the ...
List of PHP extensions. This is the present list of all officially documented extensions for the PHP programming language. .NET. Apache. BCMath. Brotli. Bzip2. Calendars. CCVS.
XAMPP (/ ˈzæmp / or / ˈɛks.æmp /) [2] is a free and open-source cross-platform web server solution stack package developed by Apache Friends, [2] consisting mainly of the Apache HTTP Server, MariaDB database, and interpreters for scripts written in the PHP and Perl programming languages. [3][4] Since most actual web server deployments use ...
A free, open source (New BSD License), PHP accelerator developed by Microsoft for PHP under Windows. The extension includes PHP opcode cache, file cache, resolve file path cache, object/session cache, file change notifications and lock/unlock API's. Combination of all these caches results in significant performance improvements for PHP ...