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  • LiveMeeting VC PowerShell PASS – Troubleshooting SQL Server with PowerShell

    - by Laerte Junior
    Guys, join me on Wednesday July 18th 12 noon EDT (GMT -4) for a presentation called Troubleshooting SQL Server With PowerShell. It will be in English, so please make allowances for this. I’m sure that you’re aware that my English is not perfect, but it is not so bad. I will do my best, you can be sure. The registration link will be available soon from PowerShell.sqlpass.org, so I hope to see you there. It will be a session without slides. Just code; pure PowerShell code. Trust me, We will see a lot of COOL stuff.Big thanks to Aaron Nelson (@sqlvariant) for the opportunity! Here are some more details about the presentation: “Troubleshooting SQL Server with PowerShell – The Next Level’ It is normal for us to have to face poorly performing queries or even complete failure in our SQL server environments. This can happen for a variety of reasons including poor Database Designs, hardware failure, improperly-configured systems and OS Updates applied without testing. As Database Administrators, we need to take precaution to minimize the impact of these problems when they occur, and so we need the tools and methodology required to identify and solve issues quickly. In this Session we will use PowerShell to explore some common troubleshooting techniques used in our day-to-day work as s DBA. This will include a variety of such activities including Gathering Performance Counters in several servers at the same time using background jobs, identifying Blocked Sessions and Reading & filtering the SQL Error Log even if the Instance is offline The approach will be using some advanced PowerShell techniques that allow us to scale the code for multiple servers and run the data collection in asynchronous mode.

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  • Aliasing a route causes rails to expect paths that don't exist

    - by DJTripleThreat
    ok here's some code: prompt>rails my_app prompt>cd my_app prompt>script/generate scaffold service_type title:string time_allotment:integer prompt>rake db:migrate then edit these files to look like this: #routes.rb: ActionController::Routing::Routes.draw do |map| map.resources :services, :controller => :service_types map.connect ':controller/:action/:id' map.connect ':controller/:action/:id.:format' end which produces these routes: prompt>rake routes services GET /services(.:format) {:controller=>"service_types", :action=>"index"} POST /services(.:format) {:controller=>"service_types", :action=>"create"} new_service GET /services/new(.:format) {:controller=>"service_types", :action=>"new"} edit_service GET /services/:id/edit(.:format) {:controller=>"service_types", :action=>"edit"} service GET /services/:id(.:format) {:controller=>"service_types", :action=>"show"} PUT /services/:id(.:format) {:controller=>"service_types", :action=>"update"} DELETE /services/:id(.:format) {:controller=>"service_types", :action=>"destroy"} /:controller/:action/:id /:controller/:action/:id(.:format) _ #my_app/app/views/service_types/index.html.erb <h1>Listing service_types</h1> <table> <tr> <th>Title</th> <th>Time allotment</th> </tr> <% @service_types.each do |service_type| %> <tr> <td><%=h service_type.title %></td> <td><%=h service_type.time_allotment %></td> <td><%= link_to 'Show', service_type %></td> <td><%= link_to 'Edit', edit_service_path(service_type) %></td> <td><%= link_to 'Destroy', service_type, :confirm => 'Are you sure?', :method => :delete %></td> </tr> <% end %> </table> <br /> <%= link_to 'New service_type', new_service_path %> - #my_app/app/views/service_types/new.html.erb <h1>New service_type</h1> <% form_for(@service_type) do |f| %> <%= f.error_messages %> <p> <%= f.label :title %><br /> <%= f.text_field :title %> </p> <p> <%= f.label :time_allotment %><br /> <%= f.text_field :time_allotment %> </p> <p> <%= f.submit 'Create' %> </p> <% end %> <%= link_to 'Back', services_path %> when you try to access http://localhost:3000/services/new you get the following error: undefined method `service_types_path' for #<ActionView::Base:0xb7199a80> Extracted source (around line #3): 1: <h1>New service_type</h1> 2: 3: <% form_for(@service_type) do |f| %> 4: <%= f.error_messages %> 5: 6: <p> Application Trace: /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.5/lib/action_controller/polymorphic_routes.rb:107:in `__send__' /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.5/lib/action_controller/polymorphic_routes.rb:107:in `polymorphic_url' /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.5/lib/action_controller/polymorphic_routes.rb:114:in `polymorphic_path' /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.5/lib/action_view/helpers/form_helper.rb:298:in `apply_form_for_options!' /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.5/lib/action_view/helpers/form_helper.rb:277:in `form_for' /home/aaron/NetBeansProjects/my_app/app/views/service_types/new.html.erb:3:in `_run_erb_app47views47service_types47new46html46erb' /home/aaron/NetBeansProjects/my_app/app/controllers/service_types_controller.rb:29:in `new' Anyone have any idea why it believes that service_types_path is in my code when it's not?

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  • Join and sum not compatible matrices through data.table

    - by leodido
    My goal is to "sum" two not compatible matrices (matrices with different dimensions) using (and preserving) row and column names. I've figured this approach: convert the matrices to data.table objects, join them and then sum columns vectors. An example: > M1 1 3 4 5 7 8 1 0 0 1 0 0 0 3 0 0 0 0 0 0 4 1 0 0 0 0 0 5 0 0 0 0 0 0 7 0 0 0 0 1 0 8 0 0 0 0 0 0 > M2 1 3 4 5 8 1 0 0 1 0 0 3 0 0 0 0 0 4 1 0 0 0 0 5 0 0 0 0 0 8 0 0 0 0 0 > M1 %ms% M2 1 3 4 5 7 8 1 0 0 2 0 0 0 3 0 0 0 0 0 0 4 2 0 0 0 0 0 5 0 0 0 0 0 0 7 0 0 0 0 1 0 8 0 0 0 0 0 0 This is my code: M1 <- matrix(c(0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0), byrow = TRUE, ncol = 6) colnames(M1) <- c(1,3,4,5,7,8) M2 <- matrix(c(0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0), byrow = TRUE, ncol = 5) colnames(M2) <- c(1,3,4,5,8) # to data.table objects DT1 <- data.table(M1, keep.rownames = TRUE, key = "rn") DT2 <- data.table(M2, keep.rownames = TRUE, key = "rn") # join and sum of common columns if (nrow(DT1) > nrow(DT2)) { A <- DT2[DT1, roll = TRUE] A[, list(X1 = X1 + X1.1, X3 = X3 + X3.1, X4 = X4 + X4.1, X5 = X5 + X5.1, X7, X8 = X8 + X8.1), by = rn] } That outputs: rn X1 X3 X4 X5 X7 X8 1: 1 0 0 2 0 0 0 2: 3 0 0 0 0 0 0 3: 4 2 0 0 0 0 0 4: 5 0 0 0 0 0 0 5: 7 0 0 0 0 1 0 6: 8 0 0 0 0 0 0 Then I can convert back this data.table to a matrix and fix row and column names. The questions are: how to generalize this procedure? I need a way to automatically create list(X1 = X1 + X1.1, X3 = X3 + X3.1, X4 = X4 + X4.1, X5 = X5 + X5.1, X7, X8 = X8 + X8.1) because i want to apply this function to matrices which dimensions (and row/columns names) are not known in advance. In summary I need a merge procedure that behaves as described. there are other strategies/implementations that achieve the same goal that are, at the same time, faster and generalized? (hoping that some data.table monster help me) to what kind of join (inner, outer, etc. etc.) is assimilable this procedure? Thanks in advance. p.s.: I'm using data.table version 1.8.2 EDIT - SOLUTIONS @Aaron solution. No external libraries, only base R. It works also on list of matrices. add_matrices_1 <- function(...) { a <- list(...) cols <- sort(unique(unlist(lapply(a, colnames)))) rows <- sort(unique(unlist(lapply(a, rownames)))) out <- array(0, dim = c(length(rows), length(cols)), dimnames = list(rows,cols)) for (m in a) out[rownames(m), colnames(m)] <- out[rownames(m), colnames(m)] + m out } @MadScone solution. Used reshape2 package. It works only on two matrices per call. add_matrices_2 <- function(m1, m2) { m <- acast(rbind(melt(M1), melt(M2)), Var1~Var2, fun.aggregate = sum) mn <- unique(colnames(m1), colnames(m2)) rownames(m) <- mn colnames(m) <- mn m } BENCHMARK (100 runs with microbenchmark package) Unit: microseconds expr min lq median uq max 1 add_matrices_1 196.009 257.5865 282.027 291.2735 549.397 2 add_matrices_2 13737.851 14697.9790 14864.778 16285.7650 25567.448 No need to comment the benchmark: @Aaron solution wins. I'll continue to investigate a similar solution for data.table objects. I'll add other solutions eventually reported or discovered.

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  • MS Excel automation without macros in the generated reports. Any thoughts?

    - by ezeki77
    Hello! I know that the web is full of questions like this one, but I still haven't been able to apply the answers I can find to my situation. I realize there is VBA, but I always disliked having the program/macro living inside the Excel file, with the resulting bloat, security warnings, etc. I'm thinking along the lines of a VBScript that works on a set of Excel files while leaving them macro-free. Now, I've been able to "paint the first column blue" for all files in a directory following this approach, but I need to do more complex operations (charts, pivot tables, etc.), which would be much harder (impossible?) with VBScript than with VBA. For this specific example knowing how to remove all macros from all files after processing would be enough, but all suggestions are welcome. Any good references? Any advice on how to best approach external batch processing of Excel files will be appreciated. Thanks! PS: I eagerly tried Mark Hammond's great PyWin32 package, but the lack of documentation and interpreter feedback discouraged me.

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  • Visual Studio reference x64 GAC

    - by icelava
    How can one get Visual Studio 2005/2008 to reference assemblies in the 64-bit GAC instead of the 32-bit GAC? We are settin the target platfom to x64 and the compiler is throwing the error of Error 2 Warning as Error: Assembly generation -- Referenced assembly 'System.Data.dll' targets a different processor Common Error 3 Warning as Error: Assembly generation -- Referenced assembly 'mscorlib.dll' targets a different processor Common Error 4 Assembly signing failed; output may not be signed -- The system cannot find the file specified. Common Update 29 Dec 08 Been trying out Aaron Stebner's suggestions to place 64-bit assemblies onto an isolated location (e.g. C:\Windows\Microsoft.NET\Framework64\v2.0.50727\GAC_64) and creating additional entries in the registry like HKLM\SOFTWARE\Microsoft.NETFramework\AssemblyFolders\GAC_64 or HKLM\SOFTWARE\Microsoft.NETFramework\v2.0.50727\AssemblyFoldersEx\GAC_64 but Visual Studio 2005 is still not picking it up....

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  • Downloading Python 2.5.4 (from official website) in order to install it

    - by brilliant
    I was quite hesitant about whether I should post this question here on "StackOverflow" or on "SuperUser", but finally decided to post it here as Python is more a programming language rather than a piece of software. I've been recently using Python 2.5.4 that is installed on my computer, but at the moment I am not at home (and won't be for about two weeks from now), so I need to install the same version of Python on another computer. This computer has Windows XP installed – just like the one that I have at home. The reason why I need Python 2.5.4 is because I am using “Google App Engine”, and I was told that it only supports Python 2.5 However, when I went to the official Python page for the download, I discovered that certain things have changed, and I don’t quite remember where exactly from that site I had downloaded Python 2.5.4 on my computer at home. I found this page: http://www.python.org/download/releases/2.5.4/ Here is how it looks: (If you can’t see it here, please check it out at this address: http://brad.cwahi.net/some_pictures/python_page.jpg ) A few things here are not clear to me. It says: For x86 processors: python-2.5.4.msi For Win64-Itanium users: python-2.5.4.ia64.msi For Win64-AMD64 users: python-2.5.4.amd64.msi First of all, I don’t know what processor I am using – whether mine is “x86” or not; and also, I don’t know whether I am an “Win64-Itanium” or an “Win64-AMD64” user. Are Itanium and AMD64 also processors? Later it says: Windows XP and later already have MSI; many older machines will already have MSI installed. I guess, it is my case, but then I am totally puzzled as to which link I should click as it seems now that I don’t need those three previous links (as MSI is already installed on Windows XP), but there is no fourth link provided for those who use “Windows XP” or older machines. Of course, there are these words after that: Windows users may also be interested in Mark Hammond's win32all package, available from Sourceforge. but it seems to me that it is something additional rather than the main file. So, my question is simple: Where in the official Python website I can download Python 2.5.4, precisely, which link I should click?

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  • Actionscrips/Flex4: Display cut-off datapoints differently in LineChart

    - by Limited Atonement
    Dear Sirs, The issue arises when the user selects a range on the linechart that cuts off datapoints. When this happens, I would like the chart to tell the user somehow that there are data points three, just outside the range, perhaps by drawing a straight line across the top or bottom of the graph. How can I get Flex to do this for met? Let me know if you understand the question, or if you need more information, and of course, let me know the answer! Thanks! Sincerely, Aaron

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  • Remove Registry Keys for Windows Phone 7 Emulator

    - by Jake Pearson
    I am trying to get the updated Windows Phone 7 tools installed, but can't get rid of the old ones. The uninstaller wouldn't run, so I had to try more extreme means. I got everything removed except for "Microsoft Windows Phone Emulator x64". Does anyone know what vm_web.exe (the tool installer) is checking for (registry, file, etc.) that prevents the installer from running. I tried Aaron Stebner's clean up tool, and it helped a lot, but couldn't get rid of the emulator.

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  • What ports does Advantage Database Server need?

    - by asherber
    I have an application which uses ADS and I am attempting to deploy it in a Windows network environment with a rather restrictive firewall. I am having a problem configuring firewall ports appropriately. ADS lives on \server, and it's listening on port 1234. When \client tries to connect to \server\tables, I get Error 6420 (Discovery process failed). When \client tries to connect to \server:1234\tables, I get error 6097, bad IP address specified in the connection path. \server is pingable from \client, and I can telnet to \server:1234. If I try to connect from a client machine inside the firewall, either connection path works fine. It seems there must be something else I need to open in the firewall. Any ideas? Thanks, Aaron.

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  • Difference between mutableArrayValueForKey and calling insertObject:inEmployeesAtIndex: directly

    - by jasonbogd
    I have a question regarding using KVO-compliant methods to insert/remove objects from an array. I'm working through Aaron Hillegass' Cocoa Programming for Mac OS X and I saw the following line of code (in the insertObject:inEmployeesAtIndex: method: [[undoManager prepareWithInvocationTarget:self] removeObjectFromEmployeesAtIndex:index]; Correct me if I'm wrong, but I always thought it was better to call mutableArrayValueForKey: and then removeObjectAtIndex:...so I tried changing the above line to this: [[undoManager prepareWithInvocationTarget:[self mutableArrayValueForKey:@"employees"]] removeObjectAtIndex:index]; And it didn't work. Can someone explain the difference and why the first line works but the second line doesn't?

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  • How to use Code Igniter to show Dynamic images via javascript(jQuery).

    - by aaroninfidel
    You can use the URL helper in Code Igniter to load CSS and Javascript with the base_url() method, but what if you have images dynamically being placed into your HTML via javascript? for example in my javascript file I've got var arrowimages={down:['downarrowclass', 'images/down.png', 23], right:['rightarrowclass', 'images/right.png']} and those images will be placed into whatever menu item I've specified has a drop down menu. but that file is a .js file so obviously the server won't load php inside of it. so, how can I set the base url for the JS? Thanks! -Aaron

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  • Scrum for Team Foundation Server 2010

    - by Martin Hinshelwood
    I will be presenting a session on “Scrum for TFS2010” not once, but twice! If you are going to be at the Aberdeen Partner Group meeting on 27th April, or DDD Scotland on 8th May then you may be able to catch my session. Credit: I want to give special thanks to Aaron Bjork from Microsoft who provided me with most of my material He is a Scrum and Power Point genius. Scrum for Team Foundation Server 2010 Synopsis Visual Studio ALM (formerly Visual Studio Team System (VSTS)) and Team Foundation Server (TFS) are the cornerstones of development on the Microsoft .NET platform. These are the best tools for a team to have successful projects and for the developers to have a focused and smooth software development process. For TFS 2010 Microsoft is heavily investing in Scrum and has already started moving some teams across to using it. Martin will not be going in depth with Scrum but you can find out more about Scrum by reading the Scrum Guide and you can even asses your Scrum knowledge by having a go at the Scrum Open Assessment. Come and see Martin Hinshelwood, Visual Studio ALM MVP and Solution Architect from SSW show you: How to successfully gather requirements with User stories How to plan a project using TFS 2010 and Scrum How to work with a product backlog in TFS 2010 The right way to plan a sprint with TFS 2010 Tracking your progress The right way to use work items What you can use from the built in reporting as well as the Project portals available on from the SharePoint dashboard The important reports to give your Product Owner / Project Manager Walk away knowing how to see the project health and progress. Visual Studio ALM is designed to help address many of these traditional problems faced by teams. It does so by providing a set of integrated tools to help teams improve their software development activities and to help managers better support the software development processes. During this session we will cover the lifecycle of creating work items and how this fits into Scrum using Visual Studio ALM and Team Foundation Server. If you want to know more about how to do Scrum with TFS then there is a new course that has been created in collaboration with Microsoft and Scrum.org that is going to be the official course for working with TFS 2010. SSW has Professional Scrum Developer Trainers who specialise in training your developers in implementing Scrum with Microsoft's Visual Studio ALM tools. Ken Schwaber and and Sam Guckenheimer: Professional Scrum Development Technorati Tags: Scrum,VS ALM,VS 2010,TFS 2010

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  • Scrum for Team Foundation Server 2010

    - by Martin Hinshelwood
    I will be presenting a session on “Scrum for TFS2010” not once, but twice! If you are going to be at the Aberdeen Partner Group meeting on 27th April, or DDD Scotland on 8th May then you may be able to catch my session. Credit: I want to give special thanks to Aaron Bjork from Microsoft who provided me with most of my material He is a Scrum and Power Point genius. Updated 9th May 2010 – I have now presented at both of these sessions  and posted about it. Scrum for Team Foundation Server 2010 Synopsis Visual Studio ALM (formerly Visual Studio Team System (VSTS)) and Team Foundation Server (TFS) are the cornerstones of development on the Microsoft .NET platform. These are the best tools for a team to have successful projects and for the developers to have a focused and smooth software development process. For TFS 2010 Microsoft is heavily investing in Scrum and has already started moving some teams across to using it. Martin will not be going in depth with Scrum but you can find out more about Scrum by reading the Scrum Guide and you can even asses your Scrum knowledge by having a go at the Scrum Open Assessment. You can also read SSW’s Rules to Better Scrum using TFS which have been developed during our own Scrum implementations. Come and see Martin Hinshelwood, Visual Studio ALM MVP and Solution Architect from SSW show you: How to successfully gather requirements with User stories How to plan a project using TFS 2010 and Scrum How to work with a product backlog in TFS 2010 The right way to plan a sprint with TFS 2010 Tracking your progress The right way to use work items What you can use from the built in reporting as well as the Project portals available on from the SharePoint dashboard The important reports to give your Product Owner / Project Manager Walk away knowing how to see the project health and progress. Visual Studio ALM is designed to help address many of these traditional problems faced by teams. It does so by providing a set of integrated tools to help teams improve their software development activities and to help managers better support the software development processes. During this session we will cover the lifecycle of creating work items and how this fits into Scrum using Visual Studio ALM and Team Foundation Server. If you want to know more about how to do Scrum with TFS then there is a new course that has been created in collaboration with Microsoft and Scrum.org that is going to be the official course for working with TFS 2010. SSW has Professional Scrum Developer Trainers who specialise in training your developers in implementing Scrum with Microsoft's Visual Studio ALM tools. Ken Schwaber and and Sam Guckenheimer: Professional Scrum Development Technorati Tags: Scrum,VS ALM,VS 2010,TFS 2010

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  • Exploding maps in Reporting Services 2008 R2

    - by Rob Farley
    Kaboom! Well, that was the imagery that secretly appeared in my mind when I saw “USA By State Exploded” in the list of installed maps in Report Builder 3.0 – part of the spatial offering of SQL Server Reporting Server 2008 R2. Alas, it just means that the borders are bigger. Clicking on it showed me. Unfortunately, I’m not interested in maps of the US. None of my clients are there (at least, not yet – feel free to get in touch if you want to change this ‘feature’ of my company). So instead, I’ve recently been getting hold of some data for Australian areas. I’ve just bought some PostCode shapes for South Australia, and will use this in demos for conferences and for showing clients how this kind of report can really impact their reporting. One of the companies I was talking about getting shape files sent me a sample. So I chose the “ESRI shapefile” option you see above, and browsed to my file. It appeared in the window like this: Australians will immediately recognise this as the area around Wollongong, just south of Sydney. Well, apart from me. I didn’t. I had to put a Bing Maps layer behind it to work that out, but that’s not for this post. The thing that I discovered was that if I selected the Exploded USA option (but without clicking Next), and then chose my shape file, then my area around Wollongong would be exploded too! Huh! I think this is actually a bug, but a potentially useful one! Some further investigation (involving creating two identical reports, one with this exploded view, one without), showed that the Exploded View is done by reducing the ScaleFactor property of the PolygonLayer in the map control. The Exploded version has it below 1. If you set to above one, your shapes overlap. I discovered this by accident… I guess I hadn’t looked through all the PolygonLayer options to work out what they all do. And because this post is about Reporting, it can qualify for this month’s T-SQL Tuesday, hosted by Aaron Nelson (@sqlvariant). Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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  • SQLAuthority News – Featuring in Call Me Maybe The Developer Way – Pluralsight Video

    - by pinaldave
    Is SQL boring? Not at all. SQL is fun – one has to know how to maximize the fun while working with SQL Server. Earlier I was invited to participate in the video Pluralsight. I am sure all of you know that I have authored 3 SQL Server Learning courses with Pluralsight – 1) SQL Server Q and A 2) SQL Server Performance Tuning and 3) SQL Server Indexing. Before I say anything I suggest all of you watch the following video. Make sure that you pay special attention after 0 minute and 36 seconds. What I can say about this. I am just fortunate to be part of the history in the making. There are more than 53 super cool celebrities in this video. In this just over 3 minute video there are so many story lines. I must congratulate director Megan and creative assistant Mari for excellent work. There are so many fun moments in this small video. Let me list my top five moments. @John_Papa ‘s dance at second 14 @julielerman playing with cute doggy The RACE between @josepheames and @bruthafish – the end is hilarious The black belt moment by @boedie @stwool relaxing on something strange! Well, this is indeed a great short film. This video demonstrates how cool is the culture of Pluralsight and how fun loving they are. A good organization provides an environment to its employees and partners to have maximum fun while they all become part of the success story. Hats off to Aaron Skonnard for producing this fun loving video. Well, after listening to this song for multiple times, I decided to give a call to Pluralsight. If you want, you can call them at +1 (801) 784-9032 or send an email to james-cole at pluralsight.com . What are your top five favorite moments? List it in comments and you may win Pluralsight subscription. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: About Me, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • Software to automate website screenshot capture

    - by Leniel Macaferi
    Do you know any software that can automate the process of getting screenshots of every page of a website? It would act like a spider/crawler/robot. You name it... For example: I developed a website and now I'd like to get a screenshot of every page of the site. I of course could do it manually (a lot of work). For each module of the site (Student, Payment, etc) I have different pages (Create, Edit, Details, Delete, etc) forms. The thing I'm looking for is a software that can visit every link of the site and then capture the screen - a software that can automate the whole process. It would also be good if the software allowed the user to pass a list of URLs to capture screenshots allowing even more fine grained configuration. EDIT: I tried Selenium mentioned by Aaron in his answer but I managed to find an app that does exactly what I needed. It's called Paparazzi!. I wrote a blog post to showcase my attempt at Selenium and the findings regarding Paparazzi!'s batch capture functionality: Software to automate website screenshot capture

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  • Downloading Python 2.5.4 (from official website) in order to install it

    - by brilliant
    I was quite hesitant about whether I should post this question here on "StackOverflow" or on "SuperUser", but finally decided to post it here as Python is more a programming language rather than a piece of software. I've been recently using Python 2.5.4 that is installed on my computer, but at the moment I am not at home (and won't be for about two weeks from now), so I need to install the same version of Python on another computer. This computer has Windows XP installed – just like the one that I have at home. The reason why I need Python 2.5.4 is because I am using “Google App Engine”, and I was told that it only supports Python 2.5 However, when I went to the official Python page for the download, I discovered that certain things have changed, and I don’t quite remember where exactly from that site I had downloaded Python 2.5.4 on my computer at home. I found this page: http://www.python.org/download/releases/2.5.4/ Here is how it looks: (If you can’t see it here, please check it out at this address: http://brad.cwahi.net/some_pictures/python_page.jpg ) A few things here are not clear to me. It says: “For x86 processors: python-2.5.4.msi For Win64-Itanium users: python-2.5.4.ia64.msi For Win64-AMD64 users: python-2.5.4.amd64.msi” First of all, I don’t know what processor I am using – whether mine is “x86” or not; and also, I don’t know whether I am an “Win64-Itanium” or an “Win64-AMD64” user. Are Itanium and AMD64 also processors? Later it says: “Windows XP and later already have MSI; many older machines will already have MSI installed.” I guess, it is my case, but then I am totally puzzled as to which link I should click as it seems now that I don’t need those three previous links (as MSI is already installed on Windows XP), but there is no fourth link provided for those who use “Windows XP” or older machines. Of course, there are these words after that: “Windows users may also be interested in Mark Hammond's win32all package, available from Sourceforge.” but it seems to me that it is something additional rather than the main file. So, my question is simple: Where in the official Python website I can download Python 2.5.4, precisely, which link I should click?

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  • storing session data in mysql using php is not retrieving the data properly from the tables.

    - by Ronedog
    I have a problem retrieving some data from the $_SESSION using php and mysql. I've commented out the line in php.ini that tells the server to use the "file" to store the session info so my database will be used. I have a class that I use to write the information to the database and its working fine. When the user passes their credentials the class gets instantiated and the $_SESSION vars get set, then the user gets redirected to the index page. The index.php page includes the file where the db session class is, which when instantiated calles session_start() and the session variables should be in $_SESSION, but when I do var_dump($_SESSION) there is nothing in the array. However, when I look at the data in mysql, all the session information is in there. Its acting like session_start() has not been called, but by instantiating the class it is. Any idea what could be wrong? Here's the HTML: <?php include_once "classes/phpsessions_db/class.dbsession.php"; //used for sessions var_dump($_SESSION); ?> <html> . . . </html> Here's the dbsession class: <?php error_reporting(E_ALL); class dbSession { function dbSession($gc_maxlifetime = "", $gc_probability = "", $gc_divisor = "") { // if $gc_maxlifetime is specified and is an integer number if ($gc_maxlifetime != "" && is_integer($gc_maxlifetime)) { // set the new value @ini_set('session.gc_maxlifetime', $gc_maxlifetime); } // if $gc_probability is specified and is an integer number if ($gc_probability != "" && is_integer($gc_probability)) { // set the new value @ini_set('session.gc_probability', $gc_probability); } // if $gc_divisor is specified and is an integer number if ($gc_divisor != "" && is_integer($gc_divisor)) { // set the new value @ini_set('session.gc_divisor', $gc_divisor); } // get session lifetime $this->sessionLifetime = ini_get("session.gc_maxlifetime"); //Added by AARON. cancel the session's auto start,important, without this the session var's don't show up on next pg. session_write_close(); // register the new handler session_set_save_handler( array(&$this, 'open'), array(&$this, 'close'), array(&$this, 'read'), array(&$this, 'write'), array(&$this, 'destroy'), array(&$this, 'gc') ); register_shutdown_function('session_write_close'); // start the session @session_start(); } function stop() { $new_sess_id = $this->regenerate_id(true); session_unset(); session_destroy(); return $new_sess_id; } function regenerate_id($return_val=false) { // saves the old session's id $oldSessionID = session_id(); // regenerates the id // this function will create a new session, with a new id and containing the data from the old session // but will not delete the old session session_regenerate_id(); // because the session_regenerate_id() function does not delete the old session, // we have to delete it manually //$this->destroy($oldSessionID); //ADDED by aaron // returns the new session id if($return_val) { return session_id(); } } function open($save_path, $session_name) { // global $gf; // $gf->debug_this($gf, "GF: Opening Session"); // change the next values to match the setting of your mySQL database $mySQLHost = "localhost"; $mySQLUsername = "user"; $mySQLPassword = "pass"; $mySQLDatabase = "sessions"; $link = mysql_connect($mySQLHost, $mySQLUsername, $mySQLPassword); if (!$link) { die ("Could not connect to database!"); } $dbc = mysql_select_db($mySQLDatabase, $link); if (!$dbc) { die ("Could not select database!"); } return true; } function close() { mysql_close(); return true; } function read($session_id) { $result = @mysql_query(" SELECT session_data FROM session_data WHERE session_id = '".$session_id."' AND http_user_agent = '".$_SERVER["HTTP_USER_AGENT"]."' AND session_expire > '".time()."' "); // if anything was found if (is_resource($result) && @mysql_num_rows($result) > 0) { // return found data $fields = @mysql_fetch_assoc($result); // don't bother with the unserialization - PHP handles this automatically return unserialize($fields["session_data"]); } // if there was an error return an empty string - this HAS to be an empty string return ""; } function write($session_id, $session_data) { // global $gf; // first checks if there is a session with this id $result = @mysql_query(" SELECT * FROM session_data WHERE session_id = '".$session_id."' "); // if there is if (@mysql_num_rows($result) > 0) { // update the existing session's data // and set new expiry time $result = @mysql_query(" UPDATE session_data SET session_data = '".serialize($session_data)."', session_expire = '".(time() + $this->sessionLifetime)."' WHERE session_id = '".$session_id."' "); // if anything happened if (@mysql_affected_rows()) { // return true return true; } } else // if this session id is not in the database { // $gf->debug_this($gf, "inside dbSession, trying to write to db because session id was NOT in db"); $sql = " INSERT INTO session_data ( session_id, http_user_agent, session_data, session_expire ) VALUES ( '".serialize($session_id)."', '".$_SERVER["HTTP_USER_AGENT"]."', '".$session_data."', '".(time() + $this->sessionLifetime)."' ) "; // insert a new record $result = @mysql_query($sql); // if anything happened if (@mysql_affected_rows()) { // return an empty string return ""; } } // if something went wrong, return false return false; } function destroy($session_id) { // deletes the current session id from the database $result = @mysql_query(" DELETE FROM session_data WHERE session_id = '".$session_id."' "); // if anything happened if (@mysql_affected_rows()) { // return true return true; } // if something went wrong, return false return false; } function gc($maxlifetime) { // it deletes expired sessions from database $result = @mysql_query(" DELETE FROM session_data WHERE session_expire < '".(time() - $maxlifetime)."' "); } } //End of Class $session = new dbsession(); ?>

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  • Regular Expressions Cookbook Is in The Money—Win a Copy

    - by Jan Goyvaerts
    %COOKBOOKFRAME%You may have heard some people say that most book authors never get any royalties. That’s not true because most authors get an advance royalty that is paid before the book is published. That’s the author’s main incentive for writing the book, at least as far as money is concerned. (If money is your main concern, don’t write books.) What is true is that most authors never see any money beyond the advance royalty. Royalty rates are very low. A 10% royalty of the publisher’s price is considered normal. The publisher’s price is usually 45% of the retail price. So if you pay full price in a bookstore, the author gets 4.5% of your money. If there’s more than one author, they split the royalty. It doesn’t take a math degree to figure out that a book needs to sell quite a few copies for the royalty to add up to a meaningful amount of money. But Steven and I must have done something right. Regular Expressions Cookbook is in the money. My royalty statement for the 3rd quartier of 2009, which is the 2nd quarter that the book was on the market, came with a check. I actually received it last month but didn’t get around to blogging about. The amount of the check is insignificant. The point is that the balance is no longer negative. I’m taking this opportunity to pat myself and my co-author on the back. To celebrate the occassion O’Reilly has offered to sponsor a give-away of five (5) copies of Regular Expressions Cookbook. These are the rules of the game: You must post a comment to this blog article including your actual name and actual email address. Names are published, email addresses are not. Comments are moderated by myself (Jan Goyvaerts). If I consider a comment to be offensive or spam it will not be published and not be eligible for any prize. If you don’t know what to say in the comment, just wish me a happy 100000nd birthday, so I don’t have to feel so bad about entering the 6-bit era. Each person commenting has only one chance to win, regardless of the number of comments posted. O’Reilly will be provided with the names and email addresses of the winners (and those email addresses only) in order to arrange delivery. Each winner can choose to receive a printed copy or ebook (DRM-free PDF). If you choose the printed book, O’Reilly pays for shipping to anywhere in the world but not for any duties or taxes your country may impose on books imported from the USA. If you choose the ebook, you’ll need to create an O’Reilly account that is then granted access to the PDF download. You can make your choice after you’ve won, so it doesn’t influence your chance of winning. Contest ends 28 February 2010, GMT+7 (Thai time). Chosen by five calls to Random(78)+1 in Delphi 2010, the winners are: 48: Xiaozu 45: David Chisholm 19: Miquel Burns 33: Aaron Rice 17: David Laing Thanks to everybody who participated. The winners have been notified by email on how to collect their prize.

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  • Top 10 Linked Blogs of 2010

    - by Bill Graziano
    Each week I send out a SQL Server newsletter and include links to interesting blog posts.  I’ve linked to over 500 blog posts so far in 2010.  Late last year I started storing those links in a database so I could do a little reporting.  I tend to link to posts related to the OLTP engine.  I also try to link to the individual blogger in the group blogs.  Unfortunately that wasn’t possible for the SQLCAT and CSS blogs.  I also have a real weakness for posts related to PASS. These are the top 10 blogs that I linked to during the year ordered by the number of posts I linked to. Paul Randal – Paul writes extensively on the internals of the relational engine.  Lots of great posts around transactions, transaction log, disaster recovery, corruption, indexes and DBCC.  I also linked to many of his SQL Server myths posts. Glenn Berry – Glenn writes very interesting posts on how hardware affects SQL Server.  I especially like his posts on the various CPU platforms.  These aren’t necessarily topics that I’m searching for but I really enjoy reading them. The SQLCAT Team – This Microsoft team focuses on the largest and most interesting SQL Server installations.  The regularly publish white papers and best practices. SQL Server CSS Team – These are the top engineers from the Microsoft Customer Service and Support group.  These are the folks you finally talk to after your case has been escalated about 20 times.  They write about the interesting problems they find. Brent Ozar – The posts I linked to mostly focused on the relational engine: CPU, NUMA, SSD drives, performance monitoring, etc.  But Brent writes about a real variety of topics including blogging, social networking, speaking, the MCM, SQL Azure and anything else that seems to strike his fancy.  His posts are always well written and though provoking. Jeremiah Peschka – A number of Jeremiah’s posts weren’t about SQL Server.  He’s very active in the “NoSQL” area and I linked to a number of those posts.  I think it’s important for people to know what other technologies are out there. Brad McGehee – Brad writes about being a DBA including maintenance plans, DBA checklists, compression and audit. Thomas LaRock – I linked to a variety of posts from PBM to networking to 24 Hours of PASS to TDE.  Just a real variety of topics.  Tom always writes with an interesting style usually mixing in a movie theme and/or bacon. Aaron Bertrand – Many of my links this year were Denali features.  He also had a great series on bad habits to kick. Michael J. Swart – This last one surprised me.  There are some well known SQL Server bloggers below Michael on this list.  I linked to posts on indexes, hierarchies, transactions and I/O performance and a variety of other engine related posts.  All are interesting and well thought out.  Many of his non-SQL posts are also very good.  He seems to have an interest in puzzles and other brain teasers.  Michael, I won’t be surprised again!

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  • Finding Leaders Breakfasts - Adelaide and Perth

    - by rdatson-Oracle
    HR Executives Breakfast Roundtables: Find the best leaders using science and social media! Perth, 22nd July & Adelaide, 24th July What is leadership in the 21st century? What does the latest research tell us about leadership? How do you recognise leadership qualities in individuals? How do you find individuals with these leadership qualities, hire and develop them? Join the Neuroleadership Institute, the Hay Group, and Oracle to hear: 1. the latest neuroscience research about human bias, and how it applies to finding and building better leaders; 2. the latest techniques to recognise leadership qualities in people; 3. and how you can harness your people and social media to find the best people for your company. Reflect on your hiring practices at this thought provoking breakfast, where you will be challenged to consider whether you are using best practices aimed at getting the right people into your company. Speakers Abigail Scott, Hay Group Abigail is a UK registered psychologist with 10 years international experience in the design and delivery of talent frameworks and assessments. She has delivered innovative assessment programmes across a range of organisations to identify and develop leaders. She is experienced in advising and supporting clients through new initiatives using evidence-based approach and has published a number of research papers on fairness and predictive validity in assessment. Karin Hawkins, NeuroLeadership Institute Karin is the Regional Director of NeuroLeadership Institute’s Asia-Pacific region. She brings over 20 years experience in the financial services sector delivering cultural and commercial results across a variety of organisations and functions. As a leadership risk specialist Karin understands the challenge of building deep bench strength in teams and she is able to bring evidence, insight, and experience to support executives in meeting today’s challenges. Robert Datson, Oracle Robert is a Human Capital Management specialist at Oracle, with several years as a practicing manager at IBM, learning and implementing latest management techniques for hiring, deploying and developing staff. At Oracle he works with clients to enable best practices for HR departments, and drawing the linkages between HR initiatives and bottom-line improvements. Agenda 07:30 a.m. Breakfast and Registrations 08:00 a.m. Welcome and Introductions 08:05 a.m. Breaking Bias in leadership decisions - Karin Hawkins 08:30 a.m. Identifying and developing leaders - Abigail Scott 08:55 a.m. Finding leaders, the social way - Robert Datson 09:20 a.m. Q&A and Closing Remarks 09:30 a.m. Event concludes If you are an employee or official of a government organisation, please click here for important ethics information regarding this event. To register for Perth, Tuesday 22nd July, please click HERE To register for Adelaide, Thursday 24th July, please click HERE 1024x768 Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 -"/ /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Contact: To register or have questions on the event? Contact Aaron Tait on +61 2 9491 1404

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  • Criminals and Other Illegal Characters

    - by Most Valuable Yak (Rob Volk)
    SQLTeam's favorite Slovenian blogger Mladen (b | t) had an interesting question on Twitter: http://www.twitter.com/MladenPrajdic/status/347057950470307841 I liked Kendal Van Dyke's (b | t) reply: http://twitter.com/SQLDBA/status/347058908801667072 And he was right!  This is one of those pretty-useless-but-sounds-interesting propositions that I've based all my presentations on, and most of my blog posts. If you read all the replies you'll see a lot of good suggestions.  I particularly like Aaron Bertrand's (b | t) idea of going into the Unicode character set, since there are over 65,000 characters available.  But how to find an illegal character?  Detective work? I'm working on the premise that if SQL Server will reject it as a name it would throw an error.  So all we have to do is generate all Unicode characters, rename a database with that character, and catch any errors. It turns out that dynamic SQL can lend a hand here: IF DB_ID(N'a') IS NULL CREATE DATABASE [a]; DECLARE @c INT=1, @sql NVARCHAR(MAX)=N'', @err NVARCHAR(MAX)=N''; WHILE @c<65536 BEGIN BEGIN TRY SET @sql=N'alter database ' + QUOTENAME(CASE WHEN @c=1 THEN N'a' ELSE NCHAR(@c-1) END) + N' modify name=' + QUOTENAME(NCHAR(@c)); RAISERROR(N'*** Trying %d',10,1,@c) WITH NOWAIT; EXEC(@sql); SET @c+=1; END TRY BEGIN CATCH SET @err=ERROR_MESSAGE(); RAISERROR(N'Ooops - %d - %s',10,1,@c,@err) WITH NOWAIT; BREAK; END CATCH END SET @sql=N'alter database ' + QUOTENAME(NCHAR(@c-1)) + N' modify name=[a]'; EXEC(@sql); The script creates a dummy database "a" if it doesn't already exist, and only tests single characters as a database name.  If you have databases with single character names then you shouldn't run this on that server. It takes a few minutes to run, but if you do you'll see that no errors are thrown for any of the characters.  It seems that SQL Server will accept any character, no matter where they're from.  (Well, there's one, but I won't tell you which. Actually there's 2, but one of them requires some deep existential thinking.) The output is also interesting, as quite a few codes do some weird things there.  I'm pretty sure it's due to the font used in SSMS for the messages output window, not all characters are available.  If you run it using the SQLCMD utility, and use the -o switch to output to a file, and -u for Unicode output, you can open the file in Notepad or another text editor and see the whole thing. I'm not sure what character I'd recommend to answer Mladen's question.  I think the standard tab (ASCII 9) is fine.  There's also several specific separator characters in the original ASCII character set (decimal 28-31). But of all the choices available in Unicode whitespace, I think my favorite would be the Mongolian Vowel Separator.  Or maybe the zero-width space. (that'll be fun to print!)  And since this is Mladen we're talking about, here's a good selection of "intriguing" characters he could use.

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  • Using NSURLRequest to pass key-value pairs to PHP script with POST

    - by Ralf Mclaren
    Hi, I'm fairly new to objective-c, and am looking to pass a number of key-value pairs to a PHP script using POST. I'm using the following code but the data just doesn't seem to be getting posted through. I tried sending stuff through using NSData as well, but neither seem to be working. NSDictionary* data = [NSDictionary dictionaryWithObjectsAndKeys: @"bob", @"sender", @"aaron", @"rcpt", @"hi there", @"message", nil]; NSURL *url = [NSURL URLWithString:@"http://myserver.com/script.php"]; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url]; [request setHTTPMethod:@"POST"]; [request setHTTPBody:[NSData dataWithBytes:data length:[data count]]]; NSURLResponse *response; NSError *err; NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&err]; NSLog(@"responseData: %@", content); This is getting sent to this simple script to perform a db insert: <?php $sender = $_POST['sender']; $rcpt = $_POST['rcpt']; $message = $_POST['message']; //script variables include ("vars.php"); $con = mysql_connect($host, $user, $pass); if (!$con) { die('Could not connect: ' . mysql_error()); } mysql_select_db("mydb", $con); mysql_query("INSERT INTO php_test (SENDER, RCPT, MESSAGE) VALUES ($sender, $rcpt, $message)"); echo "complete" ?> Any ideas?

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  • Automatic multi-page multi-column flowing text with QtWebkit (HTML/CSS/JS -> PDF)

    - by Peter Boughton
    I have some HTML documents that are converted to PDF, using software that renders using QtWebkit (not sure which version). Currently, the documents have specific tags to split into columns and pages - so whenever the wording changes, it is a manual time-consuming process to move these tags so that the columns and pages fit. Can anyone provide a way to have text auto-wrapped into the next column/page (as appropriate) when it reaches the bottom of the current container? Any HTML, CSS or JS supported by QtWebkit is ok (assuming it works in the PDF converter). (I have tested the webkit-column-* in CSS3 and it appears QtWebkit does not support this.) To make things more exciting, it also needs to: - put a header at the top of each page, with page X of Y numbering; - if an odd number of pages, add a blank page at the end (with no header); - have the ability to say "don't break inside this block" or "don't break after this header" I have put some quick example initial markup and target markup to help explain what I'm trying to do. (The actual documents are far more complicated than that, but I need a simple proof-of-concept before I attack the real ones.) Any suggestions? Update: I've got a partially working solution using Aaron's "filling up" suggestion - I'll post more details in a bit.

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  • Python and csv help

    - by user353064
    I'm trying to create this script that will check the computer host name then search a master list for the value to return a corresponding value in the csv file. Then open another file and do a find an replace. I know this should be easy but haven't done so much in python before. Here is what I have so far... masterlist.txt (tab delimited) Name UID Bob-Smith.local bobs Carmen-Jackson.local carmenj David-Kathman.local davidk Jenn-Roberts.local jennr Here is the script that I have created thus far #GET CLIENT HOST NAME import socket host = socket.gethostname() print host #IMPORT MASTER DATA import csv, sys filename = "masterlist.txt" reader = csv.reader(open(filename, "rU")) #PRINT MASTER DATA for row in reader: print row #SEARCH ON HOSTNAME AND RETURN UID #REPLACE VALUE IN FILE WITH UID #import fileinput #for line in fileinput.FileInput("filetoreplace",inplace=1): # line = line.replace("replacethistext","UID") # print line Right now, it's just set to print the master list. I'm not sure if the list needs to be parsed and placed into a dictionary or what. I really need to figure out how to search the first field for the hostname and then return the field in the second column. Thanks in advance for your help, Aaron

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