Display the Last Modified Date Using JavaScript

Display the Last Modified Date Using JavaScript When youre reading content on the Web, its often useful to know when that content was last modified to get an idea of whether it may be outdated. When it comes to blogs, most include dates of publication for new content posted. The same is true for many news sites and news articles. Some pages, however, dont offer a date for when a page was last updated. A date isnt necessary for all pages- some information is evergreen. But in some cases, knowing the last time a page was updated is important. Even though a page may not include a last updated date, there is a simple command that will tell you this, and it doesnt require you to have a lot of technical knowledge. JavaScript Command to Display the Date of the Last Modification To get the date of the last update on a page youre currently, on, simply type the following command into the address bar of your browser and press Enter or select the Go button: javascript:alert(document.lastModified) A JavaScript alert window will pop open displaying the last date and time the page was modified. For users of the Chrome browser and some others, if you cut-and-paste the command into the address bar, be aware that the javascript: part is removed. This doesnt mean you cant use the command. You will just need to type that bit back into the command in the address bar. When the Command Doesnt Work Technology for web pages changes over time, and in some cases the command to find out when a page was last modified wont work. For example, it wont work  on sites where the page content is generated dynamically. These types of pages are, in effect, being modified with each visit, so this trick doesnt help in these cases. An Alternative Method: The Internet Archive Another means of finding when a page was last updated is using the Internet Archive, also known as the Wayback Machine. In the search field at the top, enter the full address of the web page you want to check, including the http:// part. This wont give you a precise date, but you may be able to  get an approximate idea of when it was last updated. Note, though, that the calendar view on the Internet Archive site only indicates when the Archive has crawled or visited and logged the page, not when the page was updated or modified. Adding a Last Modified Date to Your Web Page If you have a webpage of your own, and you would like to show visitors when your page was last updated, you can do this easily by adding some JavaScript code to your pages HTML document. The code utilizes the same call shown in the previous section: document.lastModified: This will display text on the page in this format: Last updated on  08/09/2016 12:34:12 You can customize the text preceding the date and time displayed by changing the text between the quotation marks- in the above example, that is the Last updated text (note that there is a space after on so that the date and time arent displayed abutting the text).

Ancient and Indigenous Mathematics Research Paper

Ancient and Indigenous Mathematics - Research Paper Example However, a massive and countervailing pressure was the culmination of European supremacy in the shape of political control in large areas of Asia and Africa. Out of this supremacy, the ideology of European pre-eminence emerged and permeated a wide range of economic and social activities and also enhanced the unique role of Europe in providing the spirit for science discovery (Peat, 2006). This paper is going to discuss how mathematics has developed through ancient times and some of the factors that have led to the development of modern mathematics and also address the role of mathematics in other disciplines. Many social needs require numbers and calculations. Therefore, mathematics automatically came into play with the evolution of social systems. A well organized operational system is required to handle numbers and calculations. Nonetheless, as fascinating as the basic theories of counting may be, the origins of mathematics include more than just counting, enumeration and arithmetic. The human needs that instigated mankind’s initial efforts at mathematics were: calculations, counting and measurement (Kline, 2012). For example, an inheritance could not be distributed certain basics of division are known or a temple cannot be built if certain facts about squares and volumes are known. Mathematics was born from practical needs such as the ones above. Others argue that the central part of indigenous mathematics is based upon two simple questions: How much and how many? It is a convincing argument that long before our early ancestors had need to count their cattle or sheep, their unsophisticatedly organized social systems had simple rituals based on priority and rank. Also, according to Breasted (1988), it is evident that some socialized animals of diverse groups such as the red deer and baboon have some elementary sense of order of precedence, referred to

Media Technology Essay Example | Topics and Well Written Essays - 1750 words

Media Technology - Essay Example The truck can be designed around the Panasonic MX-70 8-input SDI production switcher because of its powerful features and small form factor. It has a 8'x10' control room, space is a primary consideration. To accommodate monitoring all switcher inputs and on air elements Miranda Kaliedo Alto screen splitter feeding a Panasonic 50" Professional Series HD Plasma Display can be selected. Because of limited production schedules and some very expedited editorial needs, the system design includes an Apple X-Serve Raid, disk array supplying real time SDI video in and out of the switcher.At the front end of this Apple system, are three Final Cut Pro HD workstations for all the pre and post editorial, networked with Apple X-Serve and Xsan policing file management. This SAN configuration allows all the workstations to share files in real-time and drive SDI video to the switcher live and back to the X-Serve Raid. For b-rolls and live to tape two Panasonic AJ-SD93 DVCPRO 50 VTR's are selected.In addition, the truck is outfitted with a Sony J30-SDI so Amp'd can roll-in betacam formats as well. Because of the nature of the live events Amp'd shoots, a Doremi two-channel, SDI, MPEG 2, 4:2:2, 3-hour video server, was installed for instant playback and record with slow-mo. The audio of for Amp'd #1 starts from the embedded SDI external source, de-embedded and then is routed throughout the truck in analog pairs. A Mackie 1604-VLZ Pro, 16-channel analog mixer then handles the final mix. The Genelec 8020a's near field audio monitors handle program audio. Because this truck is also equipped with a talent voiceover booth and often takes external camera feeds, a Clear-Com MS-232, 2-channel communications system is installed as a master user station with number of Clear-Com RM220 fixed user stations and Clear Com RS-602 belt pack stations. For live talent a Clear-Com AB-100 Announcer console is used with a Sennheiser HMD-25-1 Headset for IFB (Interrupt Feedback). The truck and chasis ar e designed by Renegade. With a full motor home front configuration for support on location and plenty of power from its on-board 50 amp generator.1 2) Bock shemantics The video system consists of the following: - High Data Rate Digital ENG System - Single or Multiple Video/Audio - Optional DVB-ASI or SDI Inputs/Outputs - Video Encoding 4:2:2 and 4:2:0 - Video Low Delay Mode - Occupies - Occupies - ATSC VSB Modulation with Superior FEC - Robust Adaptive Equalization - Switchable Bandwidths 12, 17 and 25 MHz for Flexible Operation between 2, 7 and 13 GHz - Ideal for Multiple DMA Area Operation - Operates with any ENG Digital Radio - Small, Compact and Low Cost. Advantages of the VSB Modem: - High Data Rates over 12 MHz BW - Data Rates to 80 Mbps - Multiple Video Channels over a Single ENG Microwave Link - Ideal for Component HDTV - Low Cost and Small Size - Resilient to Multi-Path Block Diagram of the Three Video ENG System The audio system would consist of the following: As technologies continue to advance, audio is no exception. Surround sound, audio effects, descriptive video, and multiple languages or maybe combinations of these are required, thereby increasing the number audio channels. In the analogue days, each audio signal required a balanced pair of wires and an XLR connector. This is no longer practical for multiple audio channels, and at least with AES/EBU digital audio, we can accommodate stereo on one coax cable. (Even in Europe, where engineers traditionally use balanced digital audio, most outside broadcast facilities are adopting coax cables for unbalanced AES audio). Surround sound comes in different flavors, the most popular being 5.1. This means Left, Center, Right, Left Back,