Search Results

Search found 40870 results on 1635 pages for 'database design'.

facebook twitter digg google delicious technorati stumbleupon myspace wordpress linkedin gmail igoogle windows live tumblr viadeo yahoo buzz yahoo mail yahoo bookmarks favorites email print

Page 172/1635 | < Previous Page | 168 169 170 171 172 173 174 175 176 177 178 179  | Next Page >

  • Interface hierarchy design for separate domains

    - by jerzi
    There are businesses and people. People could be liked and businesses could be commented on: class Like class Comment class Person implements iLikeTarget class Business implements iCommentTarget Likes and comments are performed by a user(person) so they are authored: class Like implements iAuthored class Comment implements iAuthored People's like could also be used in their history: class history class Like implements iAuthored, iHistoryTarget Now, a smart developer comes and says each history is attached to a user so history should be authored: interface iHistoryTarget extends iAuthored so it could be removed from class Like: class Person implements iLikeTarget class Business implements iCommentTarget class Like implements iHistoryTarget class Comment implements iAuthored class history interface iHistoryTarget extends iAuthored Here, another smart guy comes with a question: How could I capture the Authored fact in Like and Comment classes? He may knows nothing about history concept in the project. By scalling these kind of functionallities, interfaces may goes to their encapsulated types which cause more type strength, on the other hand explicitness suffered and also code end users will face much pain to process. So here is the question: Should I encapsulate those dependant types to their parent types (interface hierarchies) or not or explicitly repeat each type for every single level of my type system or ...?

    Read the article

  • mysql database cannot connect with cpanel [closed]

    - by Rafee
    And this question was asked on http://stackoverflow.com/questions/8182119/mysql-database-cannot-connect-with-cpanel <?php $con1 = mysql_connect("mywebsiteip","mysql_username","mysql_user_password"); if(!$con1) { die ("Could not connect " . mysql_error()); } else { echo "Good connection"; } mysql_close($con1); ?> When i run it, it cannot connect to mysql database over cpanel. and i even tried up $con1 = mysql_connect("mywebsiteip:portnumber","mysql_username","mysql_user_password"); Can any let me know, which one is good way.

    Read the article

  • Design Better, Rich Internet Applications

    As you know, Rich Internet Applications are web-based software programs that behave and operate like a desktop application. These may be delivered through a site-specific browser, a browser plug-in, or through other methods; they are especially useful for massively-multiplayer online role-playing games (MMORPGs). RIA training can be especially useful in learning the tools that are used for designing and developing these increasingly-necessary additions to Internet Web Sites.

    Read the article

  • MySQL tables corrupted and need to be repaired,how to fix them and how to prevent this [on hold]

    - by Hbirjand
    We have developed a software that uses,MySQL database,and after some month of usage,some of the database tables had been corrupted and need to be repaired,what is the cause of this corruption? How can we fix them? How can we prevent the database tables from corruption. Because of the corruption,we are not able to create a backup using Navicat,and we can not generate a dump too. Is that possible to fix this tables using MySQL engine,and some of this corruption is about empty fields in database tables.

    Read the article

  • How to charge for software design [on hold]

    - by cja
    I have a prospect with both an idea and an existing customer of theirs who want to pay for this idea to be implemented. The customer want to pay only when the implementation is complete. My prospect has separate investors that will fund the implementation. The prospect wants to know how much I will charge for the implementation so that he knows how much to ask the investors for. Before I can estimate reliably I need to work with the prospect to develop an implementation plan. This planning work will take time that I want to charge for. The prospect doesn't have enough money to pay me until the investment. I want to make sure I am paid for the planning. How can I resolve this?

    Read the article

  • Thriving With Web Design and Development

    Web Designers and Developers seem to compete for projects, so it seems only natural to find the source of business from the start and hopefully bid and win the job over "the other guy". Other industry specialists such as Domain Investors and other Web Developers already have the projects and established capital, marketing plan, and usually a concept for their project or campaign and you better believe they need your assistance.

    Read the article

  • Protobuf design patterns

    - by Monster Truck
    I am evaluating Google Protocol Buffers for a Java based service (but am expecting language agnostic patterns). I have two questions: The first is a broad general question: What patterns are we seeing people use? Said patterns being related to class organization (e.g., messages per .proto file, packaging, and distribution) and message definition (e.g., repeated fields vs. repeated encapsulated fields*) etc. There is very little information of this sort on the Google Protobuf Help pages and public blogs while there is a ton of information for established protocols such as XML. I also have specific questions over the following two different patterns: Represent messages in .proto files, package them as a separate jar, and ship it to target consumers of the service --which is basically the default approach I guess. Do the same but also include hand crafted wrappers (not sub-classes!) around each message that implement a contract supporting at least these two methods (T is the wrapper class, V is the message class (using generics but simplified syntax for brevity): public V toProtobufMessage() { V.Builder builder = V.newBuilder(); for (Item item : getItemList()) { builder.addItem(item); } return builder.setAmountPayable(getAmountPayable()). setShippingAddress(getShippingAddress()). build(); } public static T fromProtobufMessage(V message_) { return new T(message_.getShippingAddress(), message_.getItemList(), message_.getAmountPayable()); } One advantage I see with (2) is that I can hide away the complexities introduced by V.newBuilder().addField().build() and add some meaningful methods such as isOpenForTrade() or isAddressInFreeDeliveryZone() etc. in my wrappers. The second advantage I see with (2) is that my clients deal with immutable objects (something I can enforce in the wrapper class). One disadvantage I see with (2) is that I duplicate code and have to sync up my wrapper classes with .proto files. Does anyone have better techniques or further critiques on any of the two approaches? *By encapsulating a repeated field I mean messages such as this one: message ItemList { repeated item = 1; } message CustomerInvoice { required ShippingAddress address = 1; required ItemList = 2; required double amountPayable = 3; } instead of messages such as this one: message CustomerInvoice { required ShippingAddress address = 1; repeated Item item = 2; required double amountPayable = 3; } I like the latter but am happy to hear arguments against it.

    Read the article

  • Costs to Design and Manage a Website

    The problem with most "link building" services it that they spam you content across the internet. Also most if not all of the links/ pages are not indexed. If the pages are not indexed or re-indexed then the search engine i.e. Google does not know that the link is there.

    Read the article

  • Improve Your Database Unit Testing Skills and Win Free Stuff

    As the SQL Developer community grows to embrace the benefits of test-driven development for databases, so the importance of learning to do it properly increases. One way of learning effective TDD is by the use of code kata – short practice sessions that encourage test-first development in baby steps. I have a limited number of licences for SQL Test to give away free – just for practicing a bit of TDD and telling me about it. Keep your database and application development in syncSQL Connect is a Visual Studio add-in that brings your databases into your solution. It then makes it easy to keep your database in sync, and commit to your existing source control system. Find out more.

    Read the article

  • One Database or Ten?

    - by merrillaldrich
    In my career to date I’ve worked as a DBA for mainly “buy don’t build” scenarios. One advantage - and hair-graying problem, if I am honest - has been that I think I’ve seen upward of one or two hundred different ISV-provided applications’ SQL Server databases. It’s a great learning opportunity, as I can see successes and failures in a large variety of designs, and sort of “fast-forward” to version five or eight of a given design pattern to see things like whether it scales, or has storage problems,...(read more)

    Read the article

  • Web Site Design and Development Guide

    Web development and designing is the hot business trend in today's time. It is the benefit of the technology that indicates the increasing number of websites and communities across the internet. Come across an entire range of web applications based on PHP, Java and other web development features.

    Read the article

  • Joomla Web Design

    Internet entrepreneurs may find Joomla is an excellent tool for them. This open source software is designed to be a content management system (CMS) which enables even the most novice of website builders to manage all of the content on their websites with ease. This includes all of the text, images, audio, video, quizzes, surveys and other applications available on the website.

    Read the article

  • How to Associate Web Design With Search Engine Optimization

    Permanent one way link building is an important means of search engine optimization as the basic idea behind optimization is to establish link popularity. Meta tag optimization has also given adequate boost to many companies although this technique cannot be adopted by novices and requires the guidance of an established SEO firm. SEO is a huge business and one of the most offered service packages on the World Wide Web.

    Read the article

facebook twitter digg google delicious technorati stumbleupon myspace wordpress linkedin gmail igoogle windows live tumblr viadeo yahoo buzz yahoo mail yahoo bookmarks favorites email print

< Previous Page | 168 169 170 171 172 173 174 175 176 177 178 179  | Next Page >