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Programming Scripts Articles
Page 33 of 33
What are the Features of Perl Language?
Perl is a programming language developed by Larry Wall, specially designed for text processing. There are following great feature of Perl LanguagePerl takes the best features from other languages, such as C, awk, sed, sh, and BASIC, among others.Perl's database integration interface DBI supports third-party databases including Oracle, Sybase, Postgres, MySQL, and others.Perl works with HTML, XML, and other mark-up languages.Perl supports Unicode.Perl is Y2K compliant.Perl supports both procedural and object-oriented programming.Perl interfaces with external C/C++ libraries through XS or SWIG.Perl is extensible. There are over 20, 000 third party modules available from the Comprehensive Perl Archive Network (CPAN).The Perl ...
Read MoreWhy to Learn Perl?
Perl is a programming language developed by Larry Wall, specially designed for text processing. It stands for Practical Extraction and Report Language. It runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX Following great features make this language necessary for the Programmers to learn −Perl is a stable, cross-platform programming language.Though Perl is not officially an acronym few people used it as Practical Extraction and Report Language.It is used for mission-critical projects in the public and private sectors.Perl is an Open Source software, licensed under its Artistic License, or the GNU General ...
Read MoreProcess Representation in Linux System
Linux can manage the processes in the system, each process is represented by a task_struct C data structure. It is found in the include file in the kernel source-code directory. The task vector is an array of pointers to every task_struct data structure in the system. As well as the normal type of process, Linux supports real time processes. All the required information i.e; the state of the process, scheduling and memory-management information, list of open files, and pointers to the process’s parent and a list of its children and siblings are contained in this structure.A process who creates ...
Read MoreSharedArrayBuffer.byteLength Property in JavaScript
The byteLength property of the SharedArrayBuffer returns an unsigned, 32-bit integer that specifies the size/length of a SharedArrayBuffer. Syntax Its Syntax is as follows sharedArrayBuffer.byteLength Example Live Demo JavaScript Example var sharedArrayBuffer = new SharedArrayBuffer(8); var result = sharedArrayBuffer.byteLength; document.write("length of the shared array buffer is: " + result); Output length of the shared array buffer is: 8
Read MoreUsing FFMPEG with HTML5 for online video hosting
HTML5 enabled browsers to have a video element that you can use to play a video on your site. To let you know, flowplayer and other flash based video streaming players use the FLV format. It has the same encoding as H.264. FFMPEG can convert videos to FLV, feel free to work it with flowplayer. Use the flvtool2 for reading and writing FLV metadata from and to the file. Use the tools to create your videos and stream them through flowplayer.
Read MorePlay infinitely looping video on-load in HTML5
The tag specifies video. Currently, there are 3 supported video formats for the element that are MP4, WebM, and Ogg. Autoplay is used to start the video when the video and page loads.The loop attribute is a boolean attribute. When present, it specifies that the video will start over again, every time it is finished.The loop attribute should do it. Your browser does not support the video element. If you have a problem with the loop attribute, listen to the videoEnd event. After that call the play() method when it fires.
Read MoreDifference between MessageChannel and WebSockets in HTML5
Web Sockets is a next-generation bidirectional communication technology for web applications that operates over a single socket and is exposed via a JavaScript interface in HTML 5 compliant browsers. Once you get a Web Socket connection with the web server, you can send data from browser to server by calling a send() method, and receive data from server to browser by an onmessage event handler.Two way communication between the browsing contexts is called channel messaging. It is useful for communication across multiple origins.While creating messageChannel, it internally creates two ports to sending the data and forwarded to another browsing context. ...
Read MoreWhat will happen when [50,100] is converted to Number in JavaScript?
Use the Number() method in JavaScript to convert to Number. You can try to run the following code to learn how to convert [50, 100] to Number in JavaScript − Example Live Demo Convert [50,100] to Number var myVal = [50,100]; document.write("Number: " + Number(myVal));
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