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  • Google I/O 2012 - Introducing Google Compute Engine

    Google I/O 2012 - Introducing Google Compute Engine Craig McLuckie, Martin Gannholm Google Compute Engine is a new virtual machine based cloud technology for large scale data processing and analytics workloads. It allows the world to leverage the scalability and power of Google's data centers to run computationally intensive jobs. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 1614 29 ratings Time: 01:00:58 More in Science & Technology

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  • Sql Table Refactoring Challenge

    Ive been working a bit on cleaning up a large table to make it more efficient.  I pretty much know what I need to do at this point, but I figured Id offer up a challenge for my readers, to see if they can catch everything I have as well as to see if Ive missed anything.  So to that end, I give you my table: CREATE TABLE [dbo].[lq_ActivityLog]( [ID] [bigint] IDENTITY(1,1) NOT NULL, [PlacementID] [int] NOT NULL, [CreativeID] [int] NOT NULL, [PublisherID] [int] NOT NULL, [CountryCode] [nvarchar](10) NOT NULL, [RequestedZoneID] [int] NOT NULL, [AboveFold] [int] NOT NULL, [Period] [datetime] NOT NULL, [Clicks] [int] NOT NULL, [Impressions] [int] NOT NULL, CONSTRAINT [PK_lq_ActivityLog2] PRIMARY KEY CLUSTERED ( [Period] ASC, [PlacementID] ASC, [CreativeID] ASC, [PublisherID] ASC, [RequestedZoneID] ASC, [AboveFold] ASC, [CountryCode] ASC)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]) ON [PRIMARY] And now some assumptions and additional information: The table has 200,000,000 rows currently PlacementID ranges from 1 to 5000 and should support at least 50,000 CreativeID ranges from 1 to 5000 and should support at least 50,000 PublisherID ranges from 1 to 500 and should support at least 50,000 CountryCode is a 2-character ISO standard (e.g. US) and there is a country table with an integer ID already.  There are < 300 rows. RequestedZoneID ranges from 1 to 100 and should support at least 50,000 AboveFold has values of 1, 0, or 1 only. Period is a date (no time). Clicks range from 0 to 5000. Impressions range from 0 to 5000000. The table is currently write-mostly.  Its primary purpose is to log advertising activity as quickly as possible.  Nothing in the rest of the system reads from it except for batch jobs that pull the data into summary tables. Heres the current information on the database tables size: Design Goals This table has been in use for about 5 years and has performed very well during that time.  The only complaints we have are that it is quite large and also there are occasionally timeouts for queries that reference it, particularly when batch jobs are pulling data from it.  Any changes should be made with an eye toward keeping write performance optimal  while trying to reduce space and improve read performance / eliminate timeouts during read operations. Refactor There are, I suggest to you, some glaringly obvious optimizations that can be made to this table.  And Im sure there are some ninja tweaks known to SQL gurus that would be a big help as well.  Ill post my own suggested changes in a follow-up post for now feel free to comment with your suggestions. Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Open source Projects which pays the developers?

    - by java_mouse
    Are there any Java open source projects that Pays the developers? I came across this from a book : Programming Interviews Exposed. Page #25 Are open-source projects preferable? The vast majority of programming jobs have usually involved proprietary, closed-source projects, which some programmers find objectionable. There’s been a small shift in favor of more open software development, which provides more opportunities for people like yourself to participate in open-source projects and still be paid for that participation.

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  • iPad : Apple lance un service d'abonnement aux contenus en ligne intégré aux applications de l'App Store et crée la polémique

    Apple lance un service d'abonnement aux contenus en ligne Intégré aux applications de l'App Store et crée la polémique Mise à jour du 16/02/2011 Apple vient d'annoncer le lancement de son service d'abonnement aux divers types de contenus (magazines, journaux, musiques, vidéos) sur l'App Store. Un service inauguré en avant-première avec « The Daily »,un quotidien exclusivement numérique et diffusé sur l'iPad. Les éditeurs de contenus auront la liberté de fixer les prix, la durée et les termes de l'abonnement d'après le document rédigé par un Steve Jobs convalescent mais toujours très impliqué dans ...

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  • Resources for Entry Level Software Engineering Positions

    - by cdmcnamara
    Hi All, I will be graduating this May with a degree in Computer Science from a well regarded university located in the SF Bay Area. Unfortunately our career services center is terrible and the likely hood of finding a job through them is minimal. I was hoping someone might be able to offer some insight on resources / sites that have a fair amount of entry-level software engineering related jobs? Thanks in advance.

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  • Is The Apple iPad The Perfect Student Laptop?

    Unless you have been locked away in an underground bunker for the last six months, you will have probably heard about the Apple iPad. This new lightweight portable "slate computer" from Steven Jobs, ... [Author: Titus Hoskins - Computers and Internet - May 09, 2010]

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  • Understanding a codebase [duplicate]

    - by jojo modjo
    This question already has an answer here: How do you dive into large code bases? 31 answers What kind of practices should one employ to increase his understanding of a codebase. I will be a bit more specific and narrow down the question to the domain of an application that includes asynchronous jobs, python, celery, mysql, sqlalchemy and flask. It's a code base that creates reports basically. I would like to have a better understanding of the codebase.

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  • Apple expulse Flash, Java et .NET de l'iPhone en modifiant ses conditions d'utilisation, et provoque

    Apple expulse Flash, Java et .NET de l'iPhone en mofidiant ses conditions d'utilisation, la stratégie de Steve Jobs provoque des réactions d'une rare violence Après la sortie de l'iPad, Apple vient de dévoiler le nouvel OS de son iPhone (iPhone OS 4). Deux évènements qui ont fait grand bruit. Un troisième est en train de créer la polémique. Apple a en effet décidé de changer les condit...

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  • At times, you need to hire a professional.

    - by Phil Factor
    After months of increasingly demanding toil, the development team I belonged to was told that the project was to be canned and the whole team would be fired.  I’d been brought into the team as an expert in the data implications of a business re-engineering of a major financial institution. Nowadays, you’d call me a data architect, I suppose.  I’d spent a happy year being paid consultancy fees solving a succession of interesting problems until the point when the company lost is nerve, and closed the entire initiative. The IT industry was in one of its characteristic mood-swings downwards.  After the announcement, we met in the canteen. A few developers had scented the smell of death around the project already hand had been applying unsuccessfully for jobs. There was a sense of doom in the mass of dishevelled and bleary-eyed developers. After giving vent to anger and despair, talk turned to getting new employment. It was then that I perked up. I’m not an obvious choice to give advice on getting, or passing,  IT interviews. I reckon I’ve failed most of the job interviews I’ve ever attended. I once even failed an interview for a job I’d already been doing perfectly well for a year. The jobs I’ve got have mostly been from personal recommendation. Paradoxically though, from years as a manager trying to recruit good staff, I know a lot about what IT managers are looking for.  I gave an impassioned speech outlining the important factors in getting to an interview.  The most important thing, certainly in my time at work is the quality of the résumé or CV. I can’t even guess the huge number of CVs (résumés) I’ve read through, scanning for candidates worth interviewing.  Many IT Developers find it impossible to describe their  career succinctly on two sides of paper.  They leave chunks of their life out (were they in prison?), get immersed in detail, put in irrelevancies, describe what was going on at work rather than what they themselves did, exaggerate their importance, criticize their previous employers, aren’t  aware of the important aspects of a role to a potential employer, suffer from shyness and modesty,  and lack any sort of organized perspective of their work. There are many ways of failing to write a decent CV. Many developers suffer from the delusion that their worth can be recognized purely from the code that they write, and shy away from anything that seems like self-aggrandizement. No.  A resume must make a good impression, which means presenting the facts about yourself in a clear and positive way. You can’t do it yourself. Why not have your resume professionally written? A good professional CV Writer will know the qualities being looked for in a CV and interrogate you to winkle them out. Their job is to make order and sense out of a confused career, to summarize in one page a mass of detail that presents to any recruiter the information that’s wanted. To stand back and describe an accurate summary of your skills, and work-experiences dispassionately, without rancor, pity or modesty. You are no more capable of producing an objective documentation of your career than you are of taking your own appendix out.  My next recommendation was more controversial. This is to have a professional image overhaul, or makeover, followed by a professionally-taken photo portrait. I discovered this by accident. It is normal for IT professionals to face impossible deadlines and long working hours by looking more and more like something that had recently blocked a sink. Whilst working in IT, and in a state of personal dishevelment, I’d been offered the role in a high-powered amateur production of an old ex- Broadway show, purely for my singing voice. I was supposed to be the presentable star. When the production team saw me, the air was thick with tension and despair. I was dragged kicking and protesting through a succession of desperate grooming, scrubbing, dressing, dieting. I emerged feeling like “That jewelled mass of millinery, That oiled and curled Assyrian bull, Smelling of musk and of insolence.” (Tennyson Maud; A Monodrama (1855) Section v1 stanza 6) I was then photographed by a professional stage photographer.  When the photographs were delivered, I was amazed. It wasn’t me, but it looked somehow respectable, confident, trustworthy.   A while later, when the show had ended, I took the photos, and used them for work. They went with the CV to job applications. It did the trick better than I could ever imagine.  My views went down big with the developers. Old rivalries were put immediately to one side. We voted, with a show of hands, to devote our energies for the entire notice period to getting employable. We had a team sourcing the CV Writer,  a team organising the make-overs and photographer, and a third team arranging  mock interviews. A fourth team determined the best websites and agencies for recruitment, with the help of friends in the trade.  Because there were around thirty developers, we were in a good negotiating position.  Of the three CV Writers we found who lived locally, one proved exceptional. She was an ex-journalist with an eye to detail, and years of experience in manipulating language. We tried her skills out on a developer who seemed a hopeless case, and he was called to interview within a week.  I was surprised, too, how many companies were experts at image makeovers. Within the month, we all looked like those weird slick  people in the ‘Office-tagged’ stock photographs who stare keenly and interestedly at PowerPoint slides in sleek chromium-plated high-rise offices. The portraits we used still adorn the entries of many of my ex-colleagues in LinkedIn. After a months’ worth of mock interviews, and technical Q&A, our stutters, hesitations, evasions and periphrastic circumlocutions were all gone.  There is little more to relate. With the résumés or CVs, mugshots, and schooling in how to pass interviews, we’d all got new and better-paid jobs well  before our month’s notice was ended. Whilst normally, an IT team under the axe is a sad and depressed place to belong to, this wonderful group of people had proved the power of organized group action in turning the experience to advantage. It left us feeling slightly guilty that we were somehow cheating, but I guess we were merely leveling the playing-field.

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  • Career advice: stay with PHP or start a new career in something else ( .Net?)

    - by Christian P
    I'm planning on moving to NY in 6-12 months tops, so I'm forced to find a new job. When I'm planing to start my life in another city it's also probably a good time to think about career changes. I've found a lot of different opinions about PHP vs .Net vs Java and this is not topic here. I don't want to start a new fight about which language is better. Knowing programming language is not the most important thing for being a software developer. To be a really good developer you need to know OOP, design patterns, testing... and language is just a tool to make things happen. So back to my question. I have mixed experience in IT - 1 year as an IT support guy (Windows administration and support), around 2 years of experience in embedded programming (VB.Net 2005) and for the last 2 years I'm working with PHP/MySQL. I have worked with Magento web shop, assisted in some projects in Symfony, modified few Drupal sites. My main concerns are following: Do I continue to improve my skills in PHP e.g. to start learning some major PHP framework like Zend, Symfony maybe get some PHP certification. Or do I start learning .NET or Java. I'm more familiar to .NET so I'll probably choose it if choice falls between .NET and Java ( or you could convince me to choose Java :). Career-wise, I don't know what is the best choice. Learning new framework and language is more time consuming then improving my existing skills in PHP. But with .NET you have a lot of possibilities (Windows 7 Phone development, Silverlight, WPF) and possibly bigger chances to find better jobs. PHP jobs are less payed then .NET, at least, according to my researches (correct me if I'm wrong). But if I start now with .NET I'm just a beginner and my salary will be low. I need at least 2+ years of experience in some language to even try to find some job that is paying higher than $50-60k in NY. My main goal in next 2-3 years is to try to find a job in a $60-80k category. Don't get me wrong, I'm not just chasing money, but money is an important factor when you're trying to start a family. I'm 27 years old and I feel that there isn't a lot of room for wrong decisions regarding my career, so any advice will be very welcome. Update Thank you all for spending time to help me with my problem. All of the answers and comments have been very helpful. I have decided to stick with PHP but also to learn C# and Silverlight 4. We'll see where the life will take me.

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  • Google backs open codec against patent trolls

    <b>The Register:</b> "Google is "very confident" that the newly open-sourced VP8 video codec will stand up to the sort of patent attack Steve Jobs warned of when he defended Apple's decision to shun VP8's predecessor, the open-source Ogg Theora."

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  • Patent Pool to Thwart Open Source Codecs

    <b>DaniWeb:</b> "Just when you thought it couldn't get any worse in the world of software patents, a reliable source sent me this response from Steve Jobs about a patent pool that's forming and aiming to nail the open source codecs projects."

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  • What does 'Nightly Builds' mean?

    - by dbramhall
    I have been using open source projects for a while and been developing upon the open source applications and every so often I come across the words 'Nightly Build' and I have always been curious as to what it actually means. Does it literally mean the projects are done purely as side projects (usually at night after everyone has finished their day jobs) and there's no true contributor/dedicated development team or is it more complex than that?

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  • I do not have a degree but have 7 years of experience with ASP.NET, C#, can a institute offer me a degree?

    - by Asif
    Hi, I couldn't find time and money to study due to financial issues,however I managed to land some good jobs and projects and 2 multinational and my portfolio now has good clients on it too, however I still feel that I lack something important so was wondering if someone knows an college/university that offers degrees if you are a qualified professional, I'm also willing to study for few weeks if required.

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  • Configuring Oracle as a Data Source for SQL Server

    Discover what happens within SQL Server during and after configuring Oracle as a data source. Quite a few objects are created, including a system-level database, numerous jobs running under the SQL Server agent, and flat files created on the file system. Read on to learn more.

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  • Android 2.2 supportera Flash annonce le responsable de l'OS chez Google, qui répond également aux pr

    Mise à jour du 28/04/10 Android 2.2 supportera Flash C'est ce qu'annonce le responsable de l'OS chez Google, qui répond également à Steve Jobs et à ses propos sur Android L'ingénieur en charge du projet Android chez Google, Andy Rubin, vient d'accorder une interview au New York Times dans laquelle il annonce que Froyo (pour « Frozen Yourt » - nom de code de la prochaine version de l'OS mobile) assurera le « support total » ("full support") de Flash. Reste à savoir ce que ce « full support » recouvre : support d'une version Flash entière (différente de la version Lite généralement présente dans l'univers du développemen...

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  • Bringing Alerts and Operators together with Notifications

    - by fatherjack
    I have covered SQL Server Alerts (Alerts are good, arent they?) on this blog before and I more recently did a post regarding Notifications (Are your Jobs talking to you) and how they should be configured. Now we need to check that these things are linked up so that when an Alert condition is met that you get the appropriate Notifications sent to Operators. Straight into the code we need and then a review of what it does ... DECLARE @ChosenOperator SYSNAME DECLARE @FailSafeOp TABLE ...(read more)

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  • Sample Code for the SSIS Book

    - by KnightReign
    Yes, I know I’ve been gone for a long time. I haven’t professionally blogged for years. But, the good folks here, Adam and Peter have out of the goodness of their hearts, left my blog around and well, I though I’d check in. Since then, I’ve changed jobs, gotten divorced, bought a few more laptops, bunches of guitars, a snowboard or two, iPads, iPhones, a few cars, travel to India, Europe, Middle East, backpacked Scotland (and still damp), Nepal and all over the US. I’m three roles away from the SSIS...(read more)

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  • How To Speed Up Your Slow Computer

    Personal computers are an amazing invention. Computers make our jobs easier and provide interesting things for us to do at home or on the road. But over time, daily usage slows down a computer';s perf... [Author: Daniel T. Driver - Computers and Internet - May 09, 2010]

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  • Is Job Running?

    - by Derek D.
    The following SQL Server script works to determine if a particular job is currently running. This feature is nice to have if you do not want jobs to step over one another. I frequently will use this script as the first step of the job. If it is currently running, then the [...]

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  • Is it difficult to get a job at Microsoft?

    - by Maxtor
    I'm curious how difficult it really is to get a job working for Microsoft. Is Microsoft similar to Google in a sense that they hire people who are really good at programming? Also, does participating in communities such as the forums at Microsoft help (if at all) you with getting selected for an interview ? How about being a MVP in something like C# and/or .NET? Edit: This question refers only to programming jobs.

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  • What is Site Rubix? Find the Answer Here!

    Online Marketing has really taken off lately, and that has come as no surprise. Many people who currently work "for the man" have found that man to be untrustworthy, as so many have lost their jobs through cut backs and downsizing.

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  • SEO Tools Vs Human Power - Can SEO Be Automated?

    After some 10 years of its existence, SEO is not only deeply rooted in our internet-marketing life, but is even claimed to go automated. Hundreds of SEO tools to facilitate your website promotion jobs have flooded the market, and some of them, as their developers try to convince you, optimize your website absolutely on autopilot. But can such tools really eliminate the need for manpower? Is automated SEO a myth or reality?

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