Tutorial - Eduguru - Page 79

html-css-website

CSS Selectors – manipulate HTML element : Chapter 3

October 5, 2014October 5, 2014 eduguru 0 Comments 'RED', 'SELECT', all HTML elements with will be center-aligned: Example .center { text-align: center; color: red; } You can also specify that only specific HTML elements should be affected by a class. In the example b, all p elements with will be center-aligned: Example p.center { text-align: center; color: red; } 4. Grouping Selectors In style sheets there are often elements with the same style: h1 { text-align: ce, attributes, center, center-aligned, class, classes, color, CSS, CSS Selectors - manipulate HTML element : Chapter 3, CSS Selectors CSS selectors allow you to select and manipulate HTML element(s). CSS selectors are used to "find" (or select) HTML elements based on their id, element, elements, example, find, followed by the id of the element. The style rule below will be applied to the HTML element with id="para1": Example #para1 { text-align: center; color: red; } 3. The class Selector The class selector, followed by the name of the class: In the example below, h2, html, p { text-align: center; color: red; }, selector, selectors, separate each selector with a comma. In the example below we have grouped the selectors from the code above: Example h1, so you should use the id selector when you want to find a single, specific, style, text-align, types, unique element. To find an element with a specific id, values of attributes and much more. 1. The element Selector The element selector selects elements based on the element name.You can select all elements on a page like this: (all elements will be cente, will, with a red text color) Example p { text-align: center; color: red; } 2. The id Selector The id selector uses the id attribute of an HTML tag to find the specific element. An id should be unique within, write a hash character, write a period character, you can group selectors. To group selectors

CSS Selectors CSS selectors allow you to select and manipulate HTML element(s). CSS selectors are used to “find” (or select)

html-css-website

CSS Syntax : Chapter 2

October 5, 2014February 12, 2016 eduguru 0 Comments A CSS declaration always ends with a semicolon, and declaration groups are surrounded by curly braces: p {color:red;text-align:center;} To make the CSS code more readable, and may help you when you edit the source code at a later date. Comments are ignored by browsers. A CSS comment starts with /* and ends with */. Comments can also span multiple lines: Example p { colo, CSS Syntax : Chapter 2, like this: Example p { color: red; text-align: center; } CSS Comments Comments are used to explain your code, separated by a colon., you can put one declaration on each line

A CSS declaration always ends with a semicolon, and declaration groups are surrounded by curly braces: p {color:red;text-align:center;} To make

html-css-website

Start learning CSS : Chapter 1

September 28, 2014October 5, 2014 eduguru 0 Comments and color attributes were added to the HTML 3.2 specification, became a long and expensive process. To solve this problem, it started a nightmare for web developers. Development of large web sites, learn css\, like: This is a heading This is a paragraph. When tags like, Start learning CSS, the World Wide Web Consortium (W3C) created CSS., what is css, What is CSS? CSS stands for Cascading Style Sheets Styles define how to display HTML elements Styles were added to HTML 4.0 to solve a problem External Style Sheets can save a lot of work External Sty, where fonts and color information were added to every single page

What is CSS? CSS stands for Cascading Style Sheets Styles define how to display HTML elements Styles were added to HTML 4.0 to solve a problem External

Linux yum

info linux Tutorial

linux date time set command

July 26, 2014April 8, 2016 eduguru 0 Comments date time setting command in linux, how to set date time in libnux, linux date time set command, linux set date time, set date in centos, set date in linux, set date time in linux, set linux date time

Use the blow command to set the linux date #date 072511242014 where 07= mm (Month) 25=dd (Date) 11=hh (Hour) 24=mm

Office internal chat system : openfire-spark

April 1, 2014February 28, 2016 eduguru 0 Comments Configure and install open source chat, Office internal chat system : openfire-spark, Openfire is a powerful instant messaging (IM) and chat server that implements the XMPP protocol. Download Openfire software from the below link. http://www.igniterealtime.org/downloads/ You can also d

Openfire is a powerful instant messaging (IM) and chat server that implements the XMPP protocol. Download Openfire software from the

RTMP – Real Time Messaging Protocol

March 31, 2014 eduguru 2 Comments and by splitting them in fragments, and can make remote procedure calls, and data, and other quality-of-service requirements. RTMP defines several virtual channels on which packets may be sent and received, and RTMPT which is encapsulated within HTTP requests to traverse firewalls. The use of RTMP is to avoid latency in communication, and specifications about it have only partially been released for public use., and specifications about it have only partially been released for public use. According to those specifications, and which operate independently of each other. During a regular RTMP session, between Flash media Server and Flash player. A two way connection is established between Flash server and Flash player which allows for a real-time communication back and forth. Example of data that c, deliver audio or video streams smoothly, for example – video. Once the media server receives the request (for the stream), for example and more… How it Works? Flash player first contacts the Flash media server and an RTMP connection is then established. An RTMP connection is said to begin with a “handshake”. Flash player , i.e. the “plain” RTMP protocol, it is sent to Flash SWF directly over the RTMP connection. The same stream can be sent to any number of clients that request it, latency, mainly, make them interleaved and multiplexed over a single connection. Also, or allows for – large events., or RPCs. The Original Flash Streaming Protocol RTMP is also considered the original flash streaming protocol as developed by Macromedia, provided the bandwidth is good enough on both sides to deliver all the simultaneous streams. Additional media servers can be chained together, Real Time Messaging Protocol or RTMP is mainly serving for high speed transmission of audio, RTMP – Real Time Messaging Protocol, RTMP – Real Time Messaging Protocol Explained, RTMP encapsulates MP3 or AAC audio and FLV1 video multimedia streams, RTMPE which is RTMP encrypted using Adobe’s own security mechanism, RTMPS which is RTMP over an TLS/SSL connection, several channels may be active simultaneously at any given time. In result, the protocol is now owned by Adobe, the RTMP protocol has multiple variations, then Adobe for streaming audio, video, video and data between flash player and a server. Initially developed by Macromedia, which in result improves capacity, with RTMP packets across several different active channels being interleaved in such a way as to ensure that each channel meets its bandwidth, you save bandwidth. Interleaving and multiplexing is done at the packet level

Real Time Messaging Protocol or RTMP is mainly serving for high speed transmission of audio, video and data between flash

Advantages and Disadvantages of HTTP, RTSP, and RTMP

March 31, 2014March 31, 2014 eduguru 1 Comment a factor that can affect cost in large distribution models. In general, a new method for real-time cryptographic protection of content offered by Adobe. Some HTTP approaches such as Smooth Streaming are rapidly moving toward deployment of solutions for DRM as well. Howeve, Advantages and Disadvantages of HTTP, Advantages and Disadvantages of HTTP RTSP and RTMP, and 2010 Winter Olympics), and if you are a distributor or aggregator, and it may provide a contractual and legal hurdle with rights holders who stipulate that DRM be used to protect their content. As a mode of transport, and perhaps most importantly, and rights holders are very familiar with the ecosystem. For example, and RTMP, and RTMP Which technology and delivery mode will work best for you? The answer depends on many data points. Let's explore a few. How large is your anticipated daily traffic or single event? Do you nee, because of the specialized skills needed to set up and manage those servers and the complexity in ensuring the content could get to the user. Today, but has not reached full market penetration yet. Microsoft's Silverlight has broad support on new PC builds; it is being used for some large-scale sports events (March Madness, but has not yet achieved the reach that Flash currently enjoys. Additionally, but how granular must your details be? Due to the nature of RTMP discussed previously-where the player and server are in constant communication-reporting within RTMP is much more detailed and granular, but HTTP does so natively and without the need for proprietary or custom configurations. Access is another consideration. Can everyone view your content after you make it available? From a site visito, but in rare instances streams have been circumvented and saved locally using third-party applications. The availability of plug-ins may be a concern to you as you consider these technologies. Flash is, but it has caveats. Dynamic Streaming requires Flash Player 10, but probably should not be.) What is the length of your content: many files with short duration, but reporting is more robust with RTMP now. Finally, but the ability still exists. Conversely, for large-scale events, however, HTTP can be captured and saved locally. Chunked delivery can make this local capture more challenging, HTTP natively and easily supports mirroring and edge caching, HTTP still represents most web traffic. Consider that pushing video through those same protocols and methods enables CDNs and those who own their infrastructure to realize economies of scale and the c, if you do not want to deal with firewalls and proxies, if your video is compelling and users are required to install a plug-in, is not a commonly accepted form of DRM, it tries to reconnect using a few different methods. To summarize, many CDNs charged a premium for RTMP streaming transit, more available hardware and software works unmodified and as intended with HTTP than with RTSP or RTMP. Expertise in customizing HTTP content delivery using tools such as Hypertext Preprocessor (PHP) , most will. Tracking your content and how many people view it is a "must have" for most, Network Address Translation (NAT), nor do CDNs. Security is critical with a lot of content, one advantage of using HTTP is access. Many corporate networks use firewalls to block specific content. Popular methods of blocking are protocol and port restrictions. Some firewall rules allow only H, one version of RTMP is RTMP Encryption (RTMPE), or fewer files with very long length? HTTP is less likely to be disallowed by routers, or firewall settings. No ports that are commonly closed by default need to be opened. Content is therefore more likely to get through to the client in more locations and without special settings. HTTP, organizations such as Major League Baseball (MLB) and Indy Racing are using technologies from third-party providers that use HTTP, providing for massive-scale expansion when needed for the largest events. RTSP and RTMP can also be cached, RTMP is much less susceptible to local data capture, RTMP is the best technology. HTTP does not provide this function, RTSP, securing your content may be a concern. Some ABR technologies provide for secure transmission through Secure HTTP (HTTPS), such as Swarmcast and Conviva. To summarize, the "Flash tax" is gone and the total cost to deliver content through RTMP has decreased. However, this luxury is not always shared with RTMP-delivered Flash Video. The default port for RTMP connections is 1935-a port that may not be allowed on tight firewalls. If the first attempt of the Flash Pla, what will it cost you to provide this content to your users? What will a CDN charge you to provide your content in one mode versus another? In the past, which is growing in adoption (and pegged at nearly 80 percent as of July 2009), which represents the secure way of transmitting HTTP video. HTTPS, Wimbledon, you know the term digital rights management (DRM) all too well. Can or will you allow your content to be saved locally on a user's machine? RTMP has broad DRM support, you should consider HTTP. One benefit with RTMP worth mentioning here is its ability to provide multicast support. If you run an enterprise and want to take one stream inside your corporate network an, your total cost of ownership (TCO) may be less with HTTP than with RTMP.

Advantages and Disadvantages of HTTP, RTSP, and RTMP Which technology and delivery mode will work best for you? The answer

HTTP versus RTMP : Which Way to Go and Why

March 31, 2014March 31, 2014 eduguru 0 Comments " to the server by issuing commands such as PLAY or PAUSE. When a session between the client and the server is established, and data over the Internet between a Flash player and a Flash Media Server. Like RTSP, both commercial and open source. Real Time Streaming Protocol (RTSP) is a network control protocol used in entertainment and communications systems to control streaming media servers. RTSP is used to , HTTP versus RTMP, HTTP versus RTMP : Which Way to Go and Why, Hypertext Transfer Protocol (HTTP) refers to the protocol used to deliver webpages and images across the Internet worldwide. HTTP is an adopted, meaning that from the first time a client connects until the time it disconnects, open standard-the most ubiquitous mode of delivery online. HTTP is a "stateless" protocol; think of it as an airline ticket to anywhere. HTTP can be delivered by a variety of web servers, or "states, RTMP is an example of a traditional streaming protocol, such as PLAY and PAUSE, the server begins sending the media as a steady stream of small information packets. This behavior continues and repeats until the server or player client closes the session., the streaming server keeps track of the client's actions. The client communicates its actions, though it is only one of many versions of streaming protocols for the web. RTMP is defined as a stateful protocol, to facilitate real-time control of playback of media files from the server. Microsoft's Smooth Streaming is a hybrid delivery method that acts like traditional Real-Time Messaging Protocol (RTMP) refe, usually server and player client. Clients of media servers issue VCR-like commands, video

Hypertext Transfer Protocol (HTTP) refers to the protocol used to deliver webpages and images across the Internet worldwide. HTTP is

Asterisk linux Tutorial

Reinstall or Upgrade the Dahdi driver to Latest version

January 10, 2014March 5, 2016 eduguru 0 Comments asterisk dahdi reinstall, asterisk dahdi uninstall, asterisk dahdi upgrade, How to Reinstall or upgrade the Dahdi driver to Latest version, How to Reinstall or upgrade the Dahdi driver to Latest version Step 1 Uninstall all the dahdi modules installed Login to Server via ssh (putty) First check the dahdi modules installed by running below, reinstall dahdi, Reinstall or Upgrade the Dahdi driver to Latest version, run the below command if you have any digium cards or need to load dahdi dummy driver #dahdi_genconf #dahdi_cfg -vvv ;to confirm dahdi works properly #/etc/init.d/dahdi restart, uninstall dahdi, upgrade dahdi, vicidial

How to Reinstall or upgrade the Dahdi driver to Latest version Step 1 Uninstall all the dahdi modules installed Login

remote login through admin

October 25, 2013October 25, 2013 eduguru 1 Comment and then click Run. In the Open box, and then clicking Command Prompt. Type mstsc /v:server /admin. /f Starts Remote Desktop Connection in full-screen mode. /w: Specifies the width of the Remote Desktop Connection window. /h: Specifies t, click Accessories, click All Programs, clicking Accessories, clicking All Programs, follow these steps: Click the Start button Picture of the Start button, follow these steps: Open the Command Prompt window by clicking the Start button Picture of the Start button, followed by any additional parameters that you want to use. The following table lists the parameters you can use. Command line syntax for Remote Desktop Connection Syntax mstsc [] [/v:] [/admin] [/f[u, if the Terminal Server role service is installed on the remote computer, remote login through admin, running mstsc /admin will do the following (for the current connection only): Disable Terminal Services client access licensing. Disable time zone redirection. Disable TS Session Broker redirection. D, spanning across multiple monitors if necessary. To span across monitors, the monitors must all have the same height and be aligned side by side. /edit "connection file" Opens the specified .rdp connection file for editing. /migrate Migrates older connection files that were, To start Remote Desktop from the Run dialog box, type mstsc. Type a space

Use command line parameters with Remote Desktop Connection To start Remote Desktop from the Run dialog box, follow these steps: