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  • Speaker Notes...

    - by wulfers
    At a .Net User Group meeting this week, I experienced two poorly prepared speakers floundering through presentations….  As a Lead Technologist at the company I work for, I have experience training technical staff and also giving presentations at code camps.  Here are a few guidelines for aspiring speakers you might find helpful…   1.       Do not stand in front of your audience and read your slides.  This is  offensive to your audience and not what they came for...  Your slides are there to reinforce the information you are presenting and to give the audience a little clarification on some terms you may use and as a visual aid for some complicated issues. 2.       Have someone review your presentation (slides, notes, …) who speaks the language you will be presenting in fluently.  Also record at least ten minutes of your presentation and have that same person review that.  One of the speakers this week used the word “Basically” fifty times in less than thirty minutes…  I started to flinch every time he used the term. 3.       Be Prepared  -  before the presentation begins.  Don’t make any last minute changes to your presentation or demo code the night before.  Don’t patch your laptop or demo servers the night before.  If possible create a virtual image that you only use for presentations and use that (refreshed before every presentation). 4.       Know the level of expertise of your audience.  Speaking above or below their abilities will make or break your presentation. 5.       Deliver what you promise. The presentation this week was supposed to be on BDD (Behavior Driven Develpment).  The presenter completely ran off track and 90% of the discussion was how his team mistakenly used TDD (Test Driven Development), and was unhappy with the results.  Based on his loss of focus we only heard a rushed 10 minute presentation on DBB which was a disservice to the audience. 6.       Practice your presentation with your own small team before you try this on a room full of people you don’t know.  A side benefit of doing this with your own team is that you can get candid feedback from your team and also get kudos for training your own team.  I find I can also turn my presentations into technical white papers and get a third benefit from the work I’ve put into a presentation. 7.       Sharpen your own saw.  Pick a topic that is fairly current.  Something you would like to learn about and would benefit your current career path. 8.       Have fun doing it.

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  • Working with legacy data

    - by John Paul Cook
    We encounter legacy data as a part of life. Colleges and universities have transcript records dating back decades or even centuries. Real estate property records in the United States go as far back as Spanish and British land grants in the 1500s. Very old records are completely paper based and may be completely manually prepared, perhaps typed on a typewriter or written in longhand with a quill pen. How long should transcripts be retained? Nola Ochs graduated from college at age 95 (can you imagine...(read more)

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  • How to make my Oracle update/insert action through Java faster?

    - by gunbuster363
    I am facing a problem in my company that is - our program's speed is not fast enough. To be more specific, we are telecommunication company and this program handle call/internet serfing transaction made by every mobile phone users in our city. Because the amount of download content made by the iphone users is just too much, our program cannot handle them fast enough. The situation is, the amount of transaction made by users are double of the transaction processed by our program. Most of the running time of the program are dominated by DB transactions. I've search through the internet and browsed some sites ( for example: http://www.javaperformancetuning.com/tips/rawtips.shtml ) talking about Java performace in DB, but I cannot find a suggestion suitable for us. These advices are not applicable/already used, for instance: 1. Use prepared statements. Use parameterized SQL Already used prepared statement. Each time will use different parameter by clear parameters and set parameters. 2. Tune the SQL to minimize the data returned (e.g. not 'SELECT *'). Sure, already used. 3. Use connection pooling. We hold a single connection during the program's execution. And I doubt that pooling cannot solve the problem because our program act as 1 user, so there are no problem for concurrent access to DB. If anyone of you think pooling is good, please tell me why. Thanks. 4. Try to combine queries and batch updates. Cannot do it. Every query/insert/update is depend on the database's information. For example, we look up the DB for the client's information, if we cannot find his usage, we insert the usage into DB, otherwise we do update. 5. Close resources (Connections, Statements, ResultSets) when finished Sure. 6. Select the fastest JDBC driver. I don't know. I've search on the internet about the type of driver available and I am very confused. We use oracle.jdbc.driver.OracleDriver and we use thin instead of oci, that's all I know. In addition, our program is a two-tier way ( java <- oracle ) 7. Turn off auto-commit already done that. Looking forwards to any help.

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  • E-Book on big data (featuring Analysts, Customers and more)

    - by Jean-Pierre Dijcks
    As we are gearing up for Openworld, here is a nice E-book on big data to start paging through. It contains Gartner's take on big data, customer and partner interviews and a lot more good info. Enjoy the read so you come prepared for Openworld!! Read the E-Book here. For those coming to Oracle Openworld (or the Americas Cup races around the same time), you can find big data sessions via this URL. Enjoy!!

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  • 1Z0-899/OCPJWCD 6 Preparation [closed]

    - by Msaleh
    I am preparing for the exam 1Z0-899/OCPJWCD 6 and I have some questions about the preparation: Book: the only good book I can find for now is the Head First Servlet JSP, Second Edition, but it's mostly for the Java EE 5, so are there any books for Java EE 6? Advises from the people passed the exam: can anyone from the people who passed the exams give me some feedback about the exam, and how he prepared for the exam?

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  • Disaster Recovery For Small Business

    You may not be a Boy Scout, but the best way to protect your small business is to be prepared. We look at disaster recovery options to help you stay one step ahead of trouble and to sleep better at night.

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  • Disaster Recovery For Small Business

    You may not be a Boy Scout, but the best way to protect your small business is to be prepared. We look at disaster recovery options to help you stay one step ahead of trouble and to sleep better at night.

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  • Webinar: Temporary Tables in Oracle and SQL Server

    Once again Jonathan Lewis (Oracle Ace Director, OakTable Network) and Grant Fritchey (Microsoft SQL Server MVP) will host a live discussion on Oracle and SQL Server, this time in relation to temporary tables. Will they agree on some common ground? Or will it be an out and out argument? Either way, be prepared for a lively exchange that will not only entertain, but will teach you key concepts on Oracle and SQL Server.

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  • Thuzi, Outback and Azure: Tapping the Power of Facebook and the Cloud

    So you've decided to leverage social media with an application you hope will go viral. Are you prepared to log signups at a rate of 20 per minute, 1,200 per hour and 670,000 in five weeks? Can you handle 50,000 signups in one day? Here's how the Outback Steakhouse restaurant chain, in cahoots with Florida ISV Thuzi and Windows Azure, turned a free appetizer offer into a Bloomin' success--and how others are following suit.

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  • Test Preparation Materials

    - by GavinPayneUK
    I wrote an article on my personal blog a few weeks ago about my preparation for my first Microsoft exam, 70-432.  ( link )  Since then I’ve been reading and demo’ing all the relevant features of SQL Server in the hope that if I get questions on them I’ll be prepared. I’ve learnt a few things in the last couple of weeks, some good, some bad which I’ll now share. The first thing I found is that learning about how SQL Server works is fun and interesting, far better than spending an evening...(read more)

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  • Why did this command ":(){ :|: & };:" make my system lag so bad I had to reboot?

    - by blade19899
    Danger! Do not run this command to "test" it unless you are prepared for a crash and/or force-rebooting your system I was in my Virtualbox running 12.04 trying to compile an app, and while waiting I happened to chance upon a forum where a comment said: Try :(){ :|: & };: Fun, too, and doesn't need root. Without thinking I ran it in my gnome-terminal it made my 12.04 virtualbox lag so badly I had to shut it down. My question is what does this command do? :(){ :|: & };:

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  • The 5 Best Search Engine Optimization Tips For Advanced Internet Marketer

    Internet marketing is a serious business. No matter how easy it may seem to be, it does require a lot of hard work on your part if you want to be successful in this business. Now if you are prepared to go through all the trouble just to be the ahead of the pack, you have to learn how to meaningfully optimize your website for the valuable search engine rankings.

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  • Why did the command ":(){ :|: & };:" make my system lag so badly I had to reboot?

    - by blade19899
    Danger! Do not run this command to "test" it unless you are prepared for a crash and/or force-rebooting your system I was in my Virtualbox running 12.04 trying to compile an app, and while waiting I happened to chance upon a forum where a comment said: Try :(){ :|: & };: Fun, too, and doesn't need root. Without thinking I ran it in my gnome-terminal it made my 12.04 virtualbox lag so badly I had to shut it down. My question is what does this command do? :(){ :|: & };:

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  • SEO Companies Selling a Range of Products

    By launching your web browser and having a glance at the websites and homepages of the leading SEO companies over the net, you would find a lot of packages as well as custom products which have been prepared for a variety of web purposes and it is essential to know what packages are to be chosen and purchased which would lead to some successful and great online results. As an example, when your site is relatively new and you have just registered a domain name a couple of weeks ago, buying some link building bundles could be recommended since...

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  • Unit Testing Myths and Practices

    We all understand the value of Unit Testing, but how come so few organisations maintain unit tests for their in-house applications? We can no longer pretend that unit testing is a universal panacea for ensuring less-buggy applications. Instead, we should be prepared to actively justify the use of unit tests, and be more savvy about where in the development cycle the unit test resources should be most effectively used.

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  • SSMS 2008 Add-In - Execute Query

    - by ca8msm
    I'm loading a sql script up to an SSMS 2008 add-in like so: ' create a new blank document ServiceCache.ScriptFactory.CreateNewBlankScript(Microsoft.SqlServer.Management.UI.VSIntegration.Editors.ScriptType.Sql) ' insert SQL statement to the blank document Dim doc As EnvDTE.TextDocument = CType(ServiceCache.ExtensibilityModel.Application.ActiveDocument.Object(Nothing), EnvDTE.TextDocument) doc.EndPoint.CreateEditPoint().Insert(_Output.ToString()) Is there a way to automatically execute the statement as well? Thanks, Mark

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  • sql - update only when values are different

    - by BhejaFry
    Hi folks, In SQL Server 2008, how do i update fields in a table only if their values differ with the values in the update statement ? For ex: I have TableA with column FirstName whose value is 'Roger Moore' with an unique id of '007'. Now, i am calling an update statement but it should update the 'FirstName' field only if value is something else other than 'Roger Moore'. TIA

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  • DataTable DataRow Select String with Quotation Marks

    - by RBrattas
    Hi, My string include quotation mark; the select statement crash. vm_TEXT_string = "Hello 'French' People"; vm_DataTable_SELECT_string = "[MyField] = '" + vm_TEXT_string + "'"; DataRow[] o_DataRow_ARRAY_Found = vco_DataTable.Select (vm_DataTable_SELECT_string); I cannot use this statement: string filter = "[MyColumn]" + " LIKE '%" + SearchWord + "%'"; I found string format: DataRow[] oDataRow = oDataSet.Tables["HasDiseas"].Select ( string.Format ( "DName='{0}'", DiseasListBox.SelectedItem.ToString () ) ); Any suggestion to selecta string with quotation mark? Thank you, Rune

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  • Cost of exception handlers in Python

    - by Thilo
    In another question, the accepted answer suggested replacing a (very cheap) if statement in Python code with a try/except block to improve performance. Coding style issues aside, and assuming that the exception is never triggered, how much difference does it make (performance-wise) to have an exception handler, versus not having one, versus having a compare-to-zero if-statement?

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  • Why is using OPENQUERY on a local server bad?

    - by Ziplin
    I'm writing a script that is supposed to run around a bunch of servers and select a bunch of data out of them, including the local server. The SQL needed to SELECT the data I need is pretty complicated, so I'm writing sort of an ad-hoc view, and using an OPENQUERY statement to get the data, so ultimately I end up looping over a statement like this: exec('INSERT INTO tabl SELECT * FROM OPENQUERY(@Server, @AdHocView)') However, I've heard that using OPENQUERY on the local server is frowned upon. Could someone elaborate as to why?

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  • OCaml: Matching with any negative

    - by nicotine
    Is there a way to get pattern matching to match my value with any negative number? It does not matter what the negative number is I just need to match with any negative. I have accomplished what I want with this simple code: let y = if(n < 0) then 0 else n in match y with 0 -> [] | _ -> [x] @ clone x (n - 1) But I want to eliminate that if statement and just get it to check it as another case in the match statement

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  • parse results in MySQL via REGEX

    - by Derek Adair
    Hi, I'm a bit confused on the functionality of the REGEX support for MySQL and I have yet to find a solid example on how to separate a result with REGEX within an sql statement. Example: How could I pull data from a table emails that looks something like... +-------------------------+ |Emails | |-------------------------| |[email protected]| +-------------------------+ and return something through an sql statement that looks like... +------------------------------+ |Username | Domain | TLD | |-----------|------------|-----| |some.email | yourdomain | com | +------------------------------+

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  • primitives of a programming language

    - by Tim
    Hi, Which do the concepts control flow, data type, statement, expression and operation belong to? Syntax or semantics? What is the relation between control flow, data type, statement, expression, operation, function, ...? How a program is built from these primitives level by level? I would like to understand these primitive concepts and their relations in order to figure out what aspects of a new language should one learn. Thanks and regards!

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