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  • SQL SERVER – Video – Performance Improvement in Columnstore Index

    - by pinaldave
    I earlier wrote an article about SQL SERVER – Fundamentals of Columnstore Index and it got very well accepted in community. However, one of the suggestion I keep on receiving for that article is that many of the reader wanted to see columnstore index in the action but they were not able to do that. Some of the readers did not install SQL Server 2012 or some did not have good machine to recreate the big table involved in the demo. For the same reason, I have created small video for that. I have written two more article on columstore index. Please read them as followup to the video: SQL SERVER – How to Ignore Columnstore Index Usage in Query SQL SERVER – Updating Data in A Columnstore Index Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, PostADay, SQL, SQL Authority, SQL Index, SQL Performance, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, T SQL, Technology, Video

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  • Unit testing code paths

    - by Michael
    When unit testing using expectations, you define a set of method calls and corresponding results for those calls. These define the path through the method that you want to test. I have read that unit tests should not duplicate the code. But when you define these expectations, isn't that duplicating the code, or at least the process? How do you know when you're duplicating functionality under test?

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  • Emphasize Some Comments - but not Dirty the Code

    - by Jon Sandness
    I'm having trouble structuring my comments at the moment. I have major sections of the code that, when scrolling through the document, I want to be able to see those stand out. Examples: This is a normal comment: int money = 100; //start out with 100 money - This is a comment to emphasize a certain part of the code: /****** Set up all the money ******/ But I don't like that this isn't very clean. Is there a standard way of setting up this type of a comment?

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  • ArvinMeritor Sees Business Improvement: Uses Oracle Demand Management, Supply Chain Planning and Tra

    - by [email protected]
    As manufacturers begin repositioning for the economic recovery, they are reevaluating their supply chain networks, extending lean into their supply chains and making logistics visibility a priority. ArvinMeritor leveraged Oracle's Demantra, ASCP and Transportation Management applications to: Optimize operations execution by building consensus-driven demand, sales and operations plans Slash transportation costs by rationalizing shippers, optimizing routes and improving delivery performance Demantra for demand management, forecasting, sales and operations planning and global trade management Advanced Supply Chain Planning for material and capacity planning across global distribution and manufacturing facilities based on consensus forecasts, sales orders, production status, purchase orders, and inventory policy recommendations Transportation Management for transportation planning, execution, freight payment, and business process automation on a single application across all modes of transportation, from full truckload to complex multileg air, ocean, and rail shipments Oracle hosted an 'open-house/showcase" on March 30th, 2010 atArvinMeritor Global Headquarters 2135 West Maple RoadTroy, MI 48084 

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  • What's the best language combo for code generation?

    - by Peter Turner
    I read through Code Generation in Action but never bothered to make anything of it because Ruby just doesn't fit with my lifestyle at this juncture. The book came out more on the cusp of the C# revolution, and it said that C# "was a language designed to be generated", apparently using Ruby as the generator language. In your experience, what is the ideal combination of languages to generate the most useful code?

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  • Need Help in Pointing to focus on the Key elements in Code Review Phase?

    - by Sankar Ganesh
    Hi Friends, Let us share your views on the Code Review process, If someone gave a code snippet and ask you to review that code, then what are the major things you will focus on that code Review process. For Instance: I will check any dead code is available in that code, other than Checking Dead Code, what are the key elements to be focused on CODE REVIEW PROCESS. Thanks For Sharing Your Views Sankar Ganesh.S

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  • Quality of Code in unit tests?

    - by m3th0dman
    Is it worth to spend time when writing unit tests in order that the code written there has good quality and is very easy to read? When writing this kinds of tests I break very often the Law of Demeter, for faster writing and not using so many variables. Technically, unit tests are not reused directly - are strictly bound to the code so I do not see any reason for spending much time on them; they only need to be functionaly.

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  • Alexa Traffic Rankings Continuously Inaccurate - Room For Improvement

    There is growing news on the internet that the Alexa Traffic Rankings are not accurate and cannot be used to boast traffic rankings for the average site owner. The main flaw that I have found with Alexa, is their main method of collecting user traffic data, which is mainly through an Alexa Toolbar that collects data from users' browsers that have the toolbars installed. This is my experiment and the results.

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  • Browser privacy improvement implications for websites

    - by phq
    On https://panopticlick.eff.org/ EFF let you test the number of uniquely identifying bits that the browser gives a website. Among these are HTTP header fields such as User-Agent, Accept, Accept-Language and later perhaps ETAG and If-Modified-Since. Also there is a lot of Information that javascript can get from the browser such as time-zone, screen resolution, complete list of fonts and plugins available. My first impression is, is all this information really usable/used on a majority of all websites? For example, how many sites does really send different content-types depending on the http accept header, or what fonts are available(I thought css had taken care of this)? Let's say of these headers/js functionality on day would be gone. Which ones would; never be noticed they were gone? impact user experience? impact server performance? immediately reimplemented because the Internet cannot work without it? Extra credit for differentiating between what can be done, what should be done and what is done in most situations.

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  • What should come first: testing or code review?

    - by Silver Light
    Hello! I'm quite new to programming design patterns and life cycles and I was wondering, what should come first, code review or testing, regarding that those are done by separate people? From the one side, why bother reviewing code if nobody checked if it even works? From the other, some errors can be found early, if you do the review before testing. Which approach is recommended and why? Thank you!

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  • Any advices for improvement of skills?

    - by Qwertyu Wertyu
    I've been programming in Java for about 3 months. My current aim is to improve my qualifications in this language. I've read on some forum, that the best way is to take part in some open-source projects. But I have no idea, how to search for ones that corresponds to my current experience. My questions are: 1. Are there some advices on how can I improve my skills? 2. How can I find and join open-source projects that corresponds my experience?

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  • Distributed cache and improvement

    - by philipl
    Have this question from interview: Web Service function given x static HashMap map (singleton created) if (!map.containsKey(x)) { perform some function to retrieve result y map.put(x, y); } return y; The interviewer asked general question such as what is wrong with this distributed cache implementation. Then asked how to improve on it, due to distributed servers will have different cached key pairs in the map. There are simple mistakes to be pointed out about synchronization and key object, but what really startled me was that this guy thinks that moving to database implementation solves the problem that different servers will have different map content, i.e., the situation when value x is not on server A but on server B, therefore redundant data has to be retrieved in server A. Does his thinking make any sense? (As I understand this is the basic cons for distributed cache against database model, seems he does not understand it at all) What is the typical solution for the cache growth issue (weak reference?) and sync issue (do not know which server has the key already cached - use load balancing)? Thanks

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  • SEO Improvement - Guidelines to Assist You in a Better Way

    Search Engine Optimization or SEO can be quite complex for the people who do not fully comprehend its importance or the major role it plays in helping you succeed on the internet. In order to have a successful site you need to have a better than good page rank, link popularity and site visibility.

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