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  • Why Website Building is Valuable

    What is a website? Basically a website is a space in the computer which speaks of who you are. It serves an online brochure where you can see all the information you need 24/7. It is through the website where you can tell what a business or a product is.

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  • It's called College.

    - by jeffreyabecker
    Today I saw yet another 'GUID vs int as your primary key' article. Like most of the ones I've read this was filled with technical misrepresentations and out-right fallices. Chef's famous line that "There's a time and a place for everything children" applies here. GUIDs have distinct advantages and disadvantages which should be considered when choosing a data type for the primary key. Fallacy 1: "Its easier" An integer data type(tinyint, smallint, int, bigint) is a better artifical key than a GUID because its easier to remember. I'm a firm believer that your artifical primary keys should be opaque gibberish. PK's are an implementation detail which should never be exposed to the user or relied on for business logic. If you want things to come back in an order, add and ORDER BY clause and SortOrder fields. If you want a human-usable look-up add a business key with a unique constraint. If you want to know what order things were inserted into a table add a timestamp. Fallacy 2: "Size Matters" For many applications, the size of the artifical primary key is going to be irrelevant. The particular article which kicked this post off stated repeatedly that joining against an int has better performance than joining against a GUID. In computer science the performance of your algorithm is always a function of the number of data points. This still holds true for databases. Unless your table is very large, the performance difference between an int and a guid probably isnt going to be mesurable let alone noticeable. My personal experience is that the performance becomes an issue when you start having billions of rows in the table. At this point, you should probably start looking to move from int to bigint so the effective space/performance gain isnt as much as you'd think. GUID Advantages: Insert-ability / Mergeability: You can reliably insert guids into tables without key collisions. Database Independence: Saving entities to the database often requires knowing ids. With identity based ids the id must be selected back after every insert. GUIDs can be generated application-side allowing much faster inserts. GUID Disadvantages: Generatability: You can calculate the next id for an integer pk pretty easily in your head but will need a program to generate GUIDs. Solution: "Select top 100 newid() from sysobjects" Fragmentation: most GUID generation algorithms generate pseudo random GUIDs. This can cause inserts into the middle of your clustered index. Solutions: add a default of newsequentialid() or use GuidComb in NHibernate.

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  • A Web Development From Different Perspective

    The purpose of creating of a site can be for business or personal reason because the current Technology is advance and it has made web development a convenient process and in fact the benefits of tec... [Author: Alan Smith - Web Design and Development - March 21, 2010]

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  • SQL University: What and why of database refactoring

    - by Mladen Prajdic
    This is a post for a great idea called SQL University started by Jorge Segarra also famously known as SqlChicken on Twitter. It’s a collection of blog posts on different database related topics contributed by several smart people all over the world. So this week is mine and we’ll be talking about database testing and refactoring. In 3 posts we’ll cover: SQLU part 1 - What and why of database testing SQLU part 2 - What and why of database refactoring SQLU part 3 - Tools of the trade This is a second part of the series and in it we’ll take a look at what database refactoring is and why do it. Why refactor a database To know why refactor we first have to know what refactoring actually is. Code refactoring is a process where we change module internals in a way that does not change that module’s input/output behavior. For successful refactoring there is one crucial thing we absolutely must have: Tests. Automated unit tests are the only guarantee we have that we haven’t broken the input/output behavior before refactoring. If you haven’t go back ad read my post on the matter. Then start writing them. Next thing you need is a code module. Those are views, UDFs and stored procedures. By having direct table access we can kiss fast and sweet refactoring good bye. One more point to have a database abstraction layer. And no, ORM’s don’t fall into that category. But also know that refactoring is NOT adding new functionality to your code. Many have fallen into this trap. Don’t be one of them and resist the lure of the dark side. And it’s a strong lure. We developers in general love to add new stuff to our code, but hate fixing our own mistakes or changing existing code for no apparent reason. To be a good refactorer one needs discipline and focus. Now we know that refactoring is all about changing inner workings of existing code. This can be due to performance optimizations, changing internal code workflows or some other reason. This is a typical black box scenario to the outside world. If we upgrade the car engine it still has to drive on the road (preferably faster) and not fly (no matter how cool that would be). Also be aware that white box tests will break when we refactor. What to refactor in a database Refactoring databases doesn’t happen that often but when it does it can include a lot of stuff. Let us look at a few common cases. Adding or removing database schema objects Adding, removing or changing table columns in any way, adding constraints, keys, etc… All of these can be counted as internal changes not visible to the data consumer. But each of these carries a potential input/output behavior change. Dropping a column can result in views not working anymore or stored procedure logic crashing. Adding a unique constraint shows duplicated data that shouldn’t exist. Foreign keys break a truncate table command executed from an application that runs once a month. All these scenarios are very real and can happen. With the proper database abstraction layer fully covered with black box tests we can make sure something like that does not happen (hopefully at all). Changing physical structures Physical structures include heaps, indexes and partitions. We can pretty much add or remove those without changing the data returned by the database. But the performance can be affected. So here we use our performance tests. We do have them, right? Just by adding a single index we can achieve orders of magnitude performance improvement. Won’t that make users happy? But what if that index causes our write operations to crawl to a stop. again we have to test this. There are a lot of things to think about and have tests for. Without tests we can’t do successful refactoring! Fixing bad code We all have some bad code in our systems. We usually refer to that code as code smell as they violate good coding practices. Examples of such code smells are SQL injection, use of SELECT *, scalar UDFs or cursors, etc… Each of those is huge code smell and can result in major code changes. Take SELECT * from example. If we remove a column from a table the client using that SELECT * statement won’t have a clue about that until it runs. Then it will gracefully crash and burn. Not to mention the widely unknown SELECT * view refresh problem that Tomas LaRock (@SQLRockstar on Twitter) and Colin Stasiuk (@BenchmarkIT on Twitter) talk about in detail. Go read about it, it’s informative. Refactoring this includes replacing the * with column names and most likely change to application using the database. Breaking apart huge stored procedures Have you ever seen seen a stored procedure that was 2000 lines long? I have. It’s not pretty. It hurts the eyes and sucks the will to live the next 10 minutes. They are a maintenance nightmare and turn into things no one dares to touch. I’m willing to bet that 100% of time they don’t have a single test on them. Large stored procedures (and functions) are a clear sign that they contain business logic. General opinion on good database coding practices says that business logic has no business in the database. That’s the applications part. Refactoring such behemoths requires writing lots of edge case tests for the stored procedure input/output behavior and then start to refactor it. First we split the logic inside into smaller parts like new stored procedures and UDFs. Those then get called from the master stored procedure. Once we’ve successfully modularized the database code it’s best to transfer that logic into the applications consuming it. This only leaves the stored procedure with common data manipulation logic. Of course this isn’t always possible so having a plethora of performance and behavior unit tests is absolutely necessary to confirm we’ve actually improved the codebase in some way.   Refactoring is not a popular chore amongst developers or managers. The former don’t like fixing old code, the latter can’t see the financial benefit. Remember how we talked about being lousy at estimating future costs in the previous post? But there comes a time when it must be done. Hopefully I’ve given you some ideas how to get started. In the last post of the series we’ll take a look at the tools to use and an example of testing and refactoring.

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  • SEO Trick That Can Get a Top 10 Rank in Google Overnight

    Getting a top 10 rank in Google is something that many business owners want, but hardly any ever get. This is mainly because of the lack of knowledge that most webmasters have about Search Engine Optimization (SEO) but you can use this simple trick to get a top 10 ranking practically overnight.

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  • Does the type of prior employers matter when applying for a new job?

    - by Peter Smith
    Is there a bias in industry regarding the kind of previous employers an applicant has had (Government contractors, researchers, small business, large corporations)? I'm currently working for a University as a generalist programmer and I like my job here. But I'm worried that if I had to switch jobs down the road and apply for a corporate job that my resume would be dismissed based on the fact that I'm working in academia.

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  • Microsoft Blacklists Google, Windows 8 Integrated Security

    According to researcher Brian Krebs, millions of surfers were affected by the error which was caused by two of Microsoft's antivirus solutions in the form of Microsoft Security Essentials and the business-related Microsoft Forefront. Both received updates as part of Microsoft's traditional Patch Tuesday on February 14, and those patches are believed to be the cause behind Google's incorrect blacklisting. The false positive alert specifically tagged the search site as being infected with the infamous Blackhole Exploit Kit, which reportedly gives cybercriminals the power to create their own bo...

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  • Designing Mobile SMS text advertising system

    - by Ramraj Edagutti
    Currently, I am working on a product where we have an SMS text advertising system, and using this, we setup advertising campaigns for clients, and later these campaigns are sent to the end users. This is very similar to Google Adwords, but targeted to Mobile users via SMS. Just to give an overview of the system Each Campaign is mapped to an advertiser Campaign has start date and end date Campaign has a filter condition(s) or query to select the target user base from our database (to whom we send Campaigns) Target user base can be fixed, for e.g send campaign to 10000 users Target user base can also be dynamic based on query condition, for e.g send campaign to users who are active and from a particular state, district, town etc. (this way user base will be keep changing on daily basis) Campaign can have multiple campaign messages Each campaign message has start date and end date Each campaign message can have multiple message texts for different locales, for e.g English,Hindi,Telugu etc After creating an advertisement campaign, we run daily night job to provision the target user base for that a particular campaign in a separate table, and another daily job runs on morning times and checks provisioned table for campaigns and targeted users and sends the campaign to users via SMS. Problem is, current UI for creating advertising campaigns is designed in a very technical manner, I mean, normal user or business owner or clients can not use the UI to create a campaign. Below are reasons why the UI is very technical in nature Filter condition(s) or query input filed, takes user ids or mobile numbers or SQL queries. Most of times or almost every time, we use big SQL queries So we end up storing SQL queries in a database for a campaign, later we use this SQL query to fetch targeted user base. For scheduling these campaigns, we have input filed on UI which takes quartz cron expression(s) ( for e.g. send campaign on "0 0 9 1-10 MAR 2012" ), again very technical in nature Normal user or business owner, can not use the UI for creating campaigns for reasons mentioned above, Currently, we ourself (developers) helping clients to setup/create campaigns. we are trying to re-design the UI to make it more user friendly so that any user can go to UI and create an advertisement campaign by himself. I am thinking of re-designing the current UI similar to Google Adwords interface, especially for selecting target users based on user geography like country, state, city etc. I also need to select users based user subscription(s), which might make system even more complex. And also, for campaign scheduling, I am thinking of using weekdays with hours. For example, I will shows Monday to Sunday on UI, and user can select the from hours, to hours etc. Any better ideas or suggestion on how to design UI in very user friendly manner and what design should be followed on server side code (we write backend code on java/jpa/spring/quartz)? And I am looking for ideas or design patterns on how to build SQL queries (using JPA/Hinernate) programmatically on server side, based on varies conditions like based on country, state, town, village, and user subscriptions.

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  • 2011 PASS Board Applicants: Denise McInerney

    - by andyleonard
    Introduction I am interviewing 2011 PASS Board Nominee Applicants. As listed on the PASS Board Elections site the applicants are: Rob Farley Geoff Hiten Adam Jorgensen Denise McInerney Sri Sridharan Kendal Van Dyke I'm asking everyone the same questions and blogging the responses in the order received. Denise McInerney is next up: Interview With Denise McInerney 1. What's your day job? I'm a development DBA at Intuit. Intuit provides financial software and services to small business and consumers....(read more)

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  • Printer Ink Cartridges

    Inkjet printers, driven by their printer ink cartridges, have made fast, quality printing work available for everyone both at home and in business. If you remember the old dot matrix printers which c... [Author: Kathryn Dawson - Computers and Internet - May 30, 2010]

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  • ICP License to the Chinese Gold Mine

    Today, business is booming in China, as the profits recorded by businesses in China are in mind blowing numbers. It is very tempting to invest in the Chinese SEO that has been predicted as offering sustainable growth that is very futuristic. Although one may consider, that the boom in Chinese SEO is hype, but it is definitely not fiction.

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  • SQL Server Training in the UK–SSIS, MDX, Admin, MDS, Internals

    - by simonsabin
    If you are looking for SQL Server training they there is no better place to start than a new company Technitrain Its been setup by a fellow MVP and SQLBits Organiser Chris Webb. Why this company rather than any others? Training based on real world experience by the best in the business. The key to Technitrain’s model is not to cram the shelves high with courses and get some average Joe trainers to deliver them. Technitrain bring in world renowned experts in their fields to deliver courses written...(read more)

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  • The Current Trend Towards Email Hosting

    Email is today without doubt the most important business tool for organisations of all sizes - just look at the chaos caused if a company';s email goes down even for an hour. Its indispensable nature ... [Author: Joseph Volcy - Computers and Internet - March 29, 2010]

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  • Azure Marketplace

    - by kaleidoscope
    Microsoft Pinpoint is the place to market your software applications and professional services to the customers who need them most. Pinpoint helps you: •Showcase and sell your innovations •Attract and engage customers •Get customer insights and lead notifications PinPoint.com will host business applications developed by Microsoft partners.  This positions Azure as competitor to cloud platform marketplaces like Salesforce.com and Amazon.com.   Lokesh, M

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  • sell skimmed dump+pin([email protected])wu transfer,bank transfer,paypal+mailpass

    - by bestseller
    http://megareserve.blogspot.com///////// [email protected]////gmail:[email protected] Sell, Cvv, Bank Logins, Tracks, PayPal, Transfers, WU, Credit Cards, Card, Hacks, Citi, Boa, Visa, MasterCard, Amex, American Express, Make Money Fast, Stolen, Cc, C++, Adder, Western, Union, Banks, Of, America, Wellsfargo, Liberty, Reserve, Gram, Mg, LR, AlertPay ..PAYMENT METHOD LIBERTYRESERVE AND WESTERNUNION ONLY........ Ccv EU is $ 6 per ccv (Visa + Master) Ccv EU is $ 7 per ccv (Amex + Discover) Ccv Au is $ 6 per ccv Ccv Italy is 15 $ per cc sweden 12$ spain 10$ france 12$ Ccv US is $ 1.5 per ccv (Visa) Ccv US is $ 2 per ccv (master) Ccv US is $ 3 per ccv (Amex + Discover) Ccv UK is $ 5 per ccv (Visa + Master) Ccv UK is $ 6 per ccv (Amex + swith) Ccv Ca is $ 6 per ccv (Visa+ Master) Ccv Ca is $ 9 per ccv (Visa Business + Visa Gold) Ccv Germany is 14$ Per Ccv Ccv DOB with US is 15 $ per ccv Ccv DOB with UK is 19 $ per ccv Ccv DOB + BIN with UK 25$ per ccv Ccv US full info is 40 $ per ccv Ccv UK full info is 60 $ per ccv 1 Uk check bins= 12.5$/1cvv 1 Sock live = 1$/1sock live 5day yahoo:[email protected] gmail:[email protected] Balance In Chase:.........70K To 155K ========300$ Balance In Wachovia:.........24K To 80K==========180$ Balance In Boa..........75K To 450K==========400$ Balance In Credit Union:.........Any Amount:=========420$ Balance In Hallifax..........ANY AMOUNT=========420$ Balance In Compass..........ANY AMOUNT=========400$ Balance In Wellsfargo..........ANY AMOUNT=========400$ Balance In Barclays..........80K To 100K=========550$ Balance In Abbey:.........82K ==========650$ Balance in Hsbc:.........50K========650$ and more 1 Paypal with pass email = 50$/paypal 1 Paypal don't have pass email = 20$/Paypal 1 Banklogin us or uk (personel)= 550$ yahoo :[email protected] gmail :[email protected] Track 1/2 Visa Classic, MasterCard Standart US - 13$ UK - 17$ EU - 24$ AU - 26$ Track 1/2 Visa Gold | Platinum | Business | Signature, MasterCard Gold | Platinum US - 17$ UK - 20$ EU - 28$ AU - 30$ Bank transfer Balance 71.000$ CITIBANK SOUTH DAKOTA, N.A. Balance 65.000$ Wachovia: 76.000$ Abbey: 65.000£ Hsbc : 87.000$ Hallifax : 97.000£ Barclays: 110.000£ AHLI UNITED BANK --- 80.000£ LLOYDSTSB ---------- 100.000£ BANK OF SCOTLAND --- 123.000£ BOA ----------210.000$ UBS ---------- 152.000$ RBC BANK ------ 245.000$ BANK OF CANADA -------- 78.000$ BDC ---------- 281.000$ BANK LAURENTIENNE ----- 241.000$ please no test yahoo: [email protected] gmail: [email protected] website ; http://megareserve.blogspot.com Prices For Bin and Its List: 5434, 5419, 4670,374288,545140,454634,3791 with d.o.b,4049,4462,4921.4929.46274547,5506,5569,5404,5031,4921, 5505,5506,4921,4550 ,4552,4988,5186,4462,4543,4567 ,4539,5301,4929,5521 , 4291,5051,4975,5413 5255 4563,4547 4505,4563 5413 5255,5521,5506,4921,4929,54609 7,5609,54609,4543, 4975,5432,5187 ,4973,4627,4049,4779,426565,55 05, 5549, 5404, 5434, 5419, 4670,456730,541361, 451105,4670,5505, 5549, 5404, UK Nomall NO BINS(Serial) with DOB is :10$ UK with BINS(Serial) with DOB is :15$ UK Nomall no BINS(Serial) no DOB is: 6$ UK with BINS(Serial) is :12$ Please do not request : cc for TEST and FREE. DON'T CONTACT ME IF YOU NOT READY NEED TO BUY .

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  • Formation Actuate BIRT gratuite le 11 juin à Paris, pour apprendre à faire des rapports avec BIRT Open Source et BIRT iHub

    Il s'agit d'une journée de formation gratuite avec des démos et des ateliers pour apprendre à faire des rapports interactifs, Ad Hoc, OLAP en mémoire, dashboards, mashboards avec BIRT Open Source et BIRT iHub. BIRT (Business Intelligence and Reporting Tools) est un projet open source de la fondation Eclipse, basé sur la technologie Java, d'Informatique décisionnelle. La solution s'intègre avec votre application Java EE pour produire des rapports interactifs.Cette journée de formation est l'occasion...

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  • Why Simplicity is the Best Custom Logo Design Rule?

    When it comes to custom logo design everyone wants a unique and effective logo design. The main purpose of a logo design is to give a business / organization a visual identity. Now if we are talking ... [Author: Emily Matthew - Web Design and Development - March 31, 2010]

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  • What's the difference between MariaDB and MySQL?

    - by Chris J. Lee
    What's the difference between MariaDB and MySQL? I'm not very familiar with both. I'm primarily a front end developer for the most part. Are they syntactically similar? Where do these two query languages differ? Wikipedia only mentions the difference between licensing: MariaDB is a community-developed branch of the MySQL database, the impetus being the community maintenance of its free status under GPL, as opposed to any uncertainty of MySQL license status under its current ownership by Oracle.

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  • Reading/Writing Promoted Properties from BRE

    - by Sean Feldman
    ESB Toolkit Extensions is an open-source library giving you an extended BRE/BRI provider to read and write promoted properties of a message within business rules engine. I’ve used it to achieve automated process for mapping to canonical schema and then back to destination schema based on receiver ID as a promoted property (will blog on this later). A very useful library!

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  • How to handle lookup data in a C# ASP.Net MVC4 application?

    - by Jim
    I am writing an MVC4 application to track documents we have on file for our clients. I'm using code first, and have created models for my objects (Company, Document, etc...). I am now faced with the topic of document expiration. Business logic dictates certain documents will expire a set number of days past the document date. For example, Document A might expire in 180 days, Document 2 in 365 days, etc... I have a class for my documents as shown below (simplified for this example). What is the best way for me to create a lookup for expiration values? I want to specify documents of type DocumentA expire in 30 days, type DocumentB expire in 75 days, etc... I can think of a few ways to do this: Lookup table in the database I can query New property in my class (DaysValidFor) which has a custom getter that returns different values based on the DocumentType A method that takes in the document type and returns the number of days and I'm sure there are other ways I'm not even thinking of. My main concern is a) not violating any best practices and b) maintainability. Are there any pros/cons I need to be aware of for the above options, or is this a case of "just pick one and run with it"? One last thought, right now the number of days is a value that does not need to be stored anywhere on a per-document basis -- however, it is possible that business logic will change this (i.e., DocumentA's are 30 days expiration by default, but this DocumentA associated with Company XYZ will be 60 days because we like them). In that case, is a property in the Document class the best way to go, seeing as I need to add that field to the DB? namespace Models { // Types of documents to track public enum DocumentType { DocumentA, DocumentB, DocumentC // etc... } // Document model public class Document { public int DocumentID { get; set; } // Foreign key to companies public int CompanyID { get; set; } public DocumentType DocumentType { get; set; } // Helper to translate enum's value to an integer for DB storage [Column("DocumentType")] public int DocumentTypeInt { get { return (int)this.DocumentType; } set { this.DocumentType = (DocumentType)value; } } [DataType(DataType.Date)] [DisplayFormat(DataFormatString = "{0:MM-dd-yyyy}", ApplyFormatInEditMode = true)] public DateTime DocumentDate { get; set; } // Navigation properties public virtual Company Company { get; set; } } }

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  • The C++ web stack, is there one?

    - by NimChimpsky
    Java would be jsps and servlets (or a framework such as Spring) running on the JVM and tomcat (or glassfish etc). C# would be asp and C# running on dot.net framework and IIS ? (I have no experience with this please correct and improve my terminology) Is there an equivalent for C++ ? I could happily call some C++ from a java servlet/controller but was wondering if there are existing frameworks and libraries out there specifically for creating business logic in C++ with a web front end.

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