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Hashtable was part of the original java.util and is a concrete implementation of a Dictionary. However, Java 2 re-engineered Hashtable so that it also implements the Map interface. Thus, Hashtable is now integrated into the collections framework. It is similar to HashMap, but is synchronized.Like HashMap, Hashtable stores key/value pairs in a hash table. When using a Hashtable, you specify an object that is used as a key, and the value that you want to be linked to that key. The key is then hashed, and the resulting hash code is used as the index at which the value is ... Read More
To show flex items horizontally, use the flex-row class.Add it to class −Now add flex items accordingly − TCS Wipro Accenture Gartner Here is the complete example to implement the flex items horizontally −ExampleLive Demo Bootstrap Example Companies TCS Wipro Accenture Gartner
Network StandardsNetworking standards define the rules for data communications that are needed for interoperability of networking technologies and processes. Standards help in creating and maintaining open markets and allow different vendors to compete on the basis of the quality of their products while being compatible with existing market products.During data communication, a number of standards may be used simultaneously at the different layers. The commonly used standards at each layer are −Application layer − HTTP, HTML, POP, H.323, IMAPTransport layer − TCP, SPXNetwork layer −IP, IPXData link layer − Ethernet IEEE 802.3, X.25, Frame RelayPhysical layer −RS-232C (cable), V.92 (modem)Types ... Read More
The service domains, legal status, and scopes of telecommunication companies worldwide are varied. In order to provide compatibility among different agencies, International Telecommunication Union (ITU) was formed. ITU is a specialized agency of the United Nations Organizations that standardizes information and communication technologies worldwide. ITU membership lays down the who’s who of the telecommunications world.Some of the main functions of the ITU areAllocates global use of radio spectrumAssigns satellite orbits through international cooperationDevelops standards for networking technologiesStrives to improve communications in developing and underdeveloped countries.Protects and supports communications and information exchange.ITU has three main sectorsITU-T: It is the Telecommunications Standardization ... Read More
International Standards are needed so that products and systems developed in different parts of the world are interoperable and compatible with each other. The standards aim to ease out the technical differences and also to ensure product safety.The most prominent organization that lays down international standards is the ISO (International Standards Organization). Two other major organizations for technical standards are NIST (National Institute of Standards and Technology) and IEEE (Institute of Electrical and Electronics Engineers).International Standards Organization (ISO)ISO is an independent, voluntary, non-treaty, non-government standards organization. It issues standards of a vast number of subjects that may be proprietary, industrial ... Read More
Internet Standards refer to all the documented requirements both in technology as well as methodology pertaining to the Internet. The standardization process has three steps. The documentation laid down in a step is called the maturity level. There were previously three maturity levels but are merged to form only two maturity levels now which are:Proposed Standard: These are the standards that are ready for implementation. However, they can be revised according to circumstances of deployment. Draft Standard: When a Proposed Standard has been meticulously tested by at least two sites for at least 4 months, they are considered as Draft Standard. ... Read More
Following is the required program.ExampleLive Demopublic class Tester { public static void main(String args[]) { int i, m = 0, flag = 0; int n = 41;// it is the number to be checked m = n / 2; if (n == 0 || n == 1) { System.out.println(n + " not a prime number"); } else { for (i = 2; i
To hide the displayed popover, use the popover(“hide”) method.Use the method to hide the popover like this −$(".btn-primary").click(function(){ $("[data-toggle='popover']").popover('hide'); });You can try to run the following code to implement the popover(“hide”) method −ExampleLive Demo Bootstrap Example Example Info The following is a demo button: Display Hide $(document).ready(function(){ $(".btn-default").click(function(){ $("[data-toggle='popover']").popover('show'); }); $(".btn-primary").click(function(){ $("[data-toggle='popover']").popover('hide'); }); });
The hidden.bs.popover event fires when the popover is completely hidden.Fire the popover event −$("[data-toggle='popover']").on(hidden.bs.popover', function(){ alert('The Popover is now hidden!'); });You can try to run the following code to implement the hidden.bs.popover event −ExampleLive Demo Bootstrap Example Awards Here's the list: List (Display) List (Hide) $(document).ready(function(){ ... Read More
The shown.bs.event fires when the tab is completely displayed. After that the alert generates as shown below −$('.nav-tabs a').on('shown.bs.tab', function(){ alert('New tab is now visible!'); });The tabs are displayed using the show() method −$(".nav-tabs a").click(function(){ $(this).tab('show'); });You can try to run the following code to implement the shown.bs.tab event −ExampleLive Demo Bootstrap Example Topic Home ... Read More