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• Changing default REST routes in Rails 3

  - by Vincent

  I need to add one parameter to the default REST route for the show action for SEO purposes: resources :neighborhoods, :only => [:index, :show] neighborhood_url(neighborhood) # => /neighborhoods/lower-east-side I want something like the following: neighborhood_url(city, neighborhood) # => /neighborhoods/manhattan/lower-east-side What would be the easiest way to do this without using nested routes and without breaking Rails REST conventions?

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• What time function do I need to use with pthread_cond_timedwait?

  - by Vincent

  The pthread_cond_timedwait function needs an absolute time in a time timespec structure. What time function I'm suppose to use to obtain the absolute time. I saw a lot of example on the web and I found almost all time function used. (ftime, clock, gettimeofday, clock_gettime (with all possible CLOCK_...). The pthread_cond_timedwait uses an absolute time. Will this waiting time affected by changing the time of the machine? Also if I get the absolute time with one of the time function, if the time of the machine change between the get and the addition of the delta time this will affect the affect the wait time? Is there a possibility to wait for an event with a relative time instead?

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• Updated Timestamp field in MySQL through PHP

  - by Vincent

  All, I have a database table in mysql with a field that is of "TIMESTAMP" type. I need help writing the SQL query to update the field with the current timestamp. UPDATE tb_Test set dt_modified = ????? Thanks,

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• Zend Namespace - Check if Session Exists

  - by Vincent

  All, I am using Zend Framework and Zend_Session to do global session management for my application. I plan to clear all sessions on logout and hence am using the following code: if($this->sessionExists()) { $this->destroy(); } But it seems like it's not doing a good job.. I am getting an error: PHP Warning: session_destroy() [<a href='function.session-destroy'> function.session-destroy</a>]: Trying to destroy uninitialized session How can I get rid of this error? Is there an alternative to sessionExists()?

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• model.matrix() with na.action=NULL?

  - by Vincent

  I have a formula and a data frame, and I want to extract the model.matrix(). However, I need the resulting matrix to include the NAs that were found in the original dataset. If I were to use model.frame() to do this, I would simply pass it na.action=NULL. However, the output I need is of the model.matrix() format. Specifically, I need only the right-hand side variables, I need the output to be a matrix (not a data frame), and I need factors to be converted to a series of dummy variables. I'm sure I could hack something together using loops or something, but I was wondering if anyone could suggest a cleaner and more efficient workaround. Thanks a lot for your time! And here's an example: dat <- data.frame(matrix(rnorm(20),5,4), gl(5,2)) dat[3,5] <- NA names(dat) <- c(letters[1:4], 'fact') ff <- a ~ b + fact # This omits the row with a missing observation on the factor model.matrix(ff, dat) # This keeps the NA, but it gives me a data frame and does not dichotomize the factor model.frame(ff, dat, na.action=NULL) Here is what I would like to obtain: (Intercept) b fact2 fact3 fact4 fact5 1 1 0.7266086 0 0 0 0 2 1 -0.6088697 0 0 0 0 3 NA 0.4643360 NA NA NA NA 4 1 -1.1666248 1 0 0 0 5 1 -0.7577394 0 1 0 0 6 1 0.7266086 0 1 0 0 7 1 -0.6088697 0 0 1 0 8 1 0.4643360 0 0 1 0 9 1 -1.1666248 0 0 0 1 10 1 -0.7577394 0 0 0 1

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• JQuery URL Validator

  - by Vincent

  All, I am trying to use JQuery's URL Validator plugin. http://docs.jquery.com/Plugins/Validation/Methods/url I have a text box that has a URL. I want to write a function which takes the textbox value, uses the jquery's validator plugin to validate urls and returns true or false. Something like Ex: function validateURL(textval) { // var valid = get jquery's validate plugin return value if(valid) { return true; } return false; } I wanted this to be a reusable function.. Thanks

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• Is it possible to access JSON properties with relative syntax when using JSON defined functions?

  - by Justin Vincent

  // JavaScript JSON var myCode = { message : "Hello World", helloWorld : function() { alert(this.message); } }; myCode.helloWorld(); The above JavaScript code will alert 'undefined'. To make it work for real the code would need to look like the following... (note the literal path to myCode.message) // JavaScript JSON var myCode = { message : "Hello World", helloWorld : function() { alert(myCode.message); } }; myCode.helloWorld(); My question is... if I declare functions using json in this way, is there some "relative" way to get access to myCode.message or is it only possible to do so using the literal namespace path myCode.message?

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• JavaScript Regex question

  - by Vincent

  All, I have following function to check for invalid symbols entered in a text box and return true or false. How can I modify this function to also check for occurrences like http:// and https:// and ftp:// return false if encountered ? function checkURL(textboxval) { return ! (/[<>()#'"]|""/.test(textboxval)); } Thanks

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• How to check whether iterators form a contiguous memory zone?

  - by Vincent

  I currently have the following function to read an array or a vector of raw data (_readStream is a std::ifstream) : template<typename IteratorType> inline bool MyClass::readRawData( const IteratorType& first, const IteratorType& last, typename std::iterator_traits<IteratorType>::iterator_category* = nullptr ) { _readStream.read(reinterpret_cast<char*>(&*first), (last-first)*sizeof(*first)); return _readStream.good(); } First question : does this function seem ok for you ? As we read directly a block of memory, it will only work if the memory block from first to last is contiguous in memory. How to check that ?

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• How to ReHash a password stored into my Database ? (PHP)

  - by Vincent Roye

  Hi! I have some passwords encrypted in my database and I would like to find a way to display them. Here is how they are saved into my mysql database: function generateHash($plainText, $salt = null){ if ($salt === null) { $salt = substr(md5(uniqid(rand(), true)), 0, 25); } else { $salt = substr($salt, 0, 25); } return $salt . sha1($salt . $plainText); } $secure_pass = generateHash($this->clean_password); Then $secure_pass is saved into my database. Anyone would have an idea ?? Thank you very much ;)

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• Joomla Site Templates: Architecture Advise

  - by Vincent

  Our client provided us with html templates to turn into a Joomla template, problem is their designs are not Joomla Template friendly where a lot of the html design are not consistent with structure. Currently the only solution we have is applying a template structure pattern that fits the most amount of their design and have seperate joomla templates to take care of the ones that doesn't fit. We have the generic Joomla Template configured with different positions for each div and assign each article to its respective position in the template. Some articles though have menu modules within them so our solution is to split the article into two position and define positions for each menu module. Is this method better than defining module positions within an article content to render menus within an article? Is there a better way of showing articles in specific div positions than having each article be represented by a module to render in a specific div (position) in a template? Right now our current way of rendering an article(s) content to a specific position is to create a module (moduleAsArticle) and define that module a position. Create An Article - Assign A Module To It (moduleAsArticle) - Define that module a position

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• undo or reverse argsort(), python

  - by Vincent

  Given an array 'a' I would like to sort the array by columns "a.sort(axis=0)" do some stuff to the array and then undo the sort. By that I don't mean re sort but basically reversing how each element was moved. I assume argsort() is what I need but it is not clear to me how to sort an array with the results of argsort() or more importantly apply the reverse/inverse of argsort() Here is a little more detail I have an array a, shape(a) = rXc I need to sort each column aargsort = a.argsort(axis=0) # May use this later aSort = a.sort(axis=0) now average each row aSortRM = asort.mean(axis=1) now replace each col in a row with the row mean. is there a better way than this aWithMeans = ones_like(a) for ind in range(r) # r = number of rows aWithMeans[ind]* aSortRM[ind] Now I need to undo the sort I did in the first step. ????

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• Template or function arguments as implementation details in doxygen?

  - by Vincent

  In doxygen is there any common way to specify that some C++ template parameters of function parameters are implementation details and should not be specified by the user ? For example, a template parameter used as recursion level counter in metaprogramming technique or a SFINAE parameter in a function ? For example : /// \brief Do something /// \tparam MyFlag A flag... /// \tparam Limit Recursion limit /// \tparam Current Recursion level counter. SHOULD NOT BE EXPLICITELY SPECIFIED !!! template<bool MyFlag, unsigned int Limit, unsigned int Current = 0> myFunction(); Is there any doxygen normalized option equivalent to "SHOULD NOT BE EXPLICITELY SPECIFIED !!!" ?

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• List.clear() followed by List.add() not working.

  - by Vincent

  I have the following C# Class/Function: class Hand { private List<Card> myCards = new List<Card>(); public void sortBySuitValue() { IEnumerable<Card> query = from s in myCards orderby (int)s.suit, (int)s.value select s; myCards = new List<Card>(); myCards.AddRange(query); } } On a card Game. This works fine, however, I had trouble at first, instead of using myCards = new List(); to 'reset' myCards, I would use myCards.clear(), however, once I called the clear function, I would not be able to call myCards.add() or myCards.addRange(). The count would stay at zero. Is my current approach good? Is using LINQ to sort my cards good/bad?

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• OEG11gR2 integration with OES11gR2 Authorization with condition

  - by pgoutin

  Introduction This OES use-case has been defined originally by Subbu Devulapalli (http://accessmanagement.wordpress.com/).  Based on this OES museum use-case, I have developed the OEG11gR2 policy able to deal with the OES authorization with condition. From an OEG point of view, the way to deal with OES condition is to provide with the OES request some Environmental / Context Attributes.   Museum Use-Case  All painting in the museum have security sensors, an alarm goes off when a person comes too close a painting. The employee designated for maintenance needs to use their ID and disable the alarm before maintenance. You are the Security Administrator for the museum and you have been tasked with creating authorization policies to manage authorization for different paintings. Your first task is to understand how paintings are organized. Asking around, you are surprised to see that there isno formal process in place, so you need to start from scratch. the museum tracks the following attributes for each painting 1. Name of the work 2. Painter 3. Condition (good/poor) 4. Cost You compile the list of paintings  Name of Painting  Painter  Paint Condition  Cost  Mona Lisa  Leonardo da Vinci  Good  100  Magi  Leonardo da Vinci  Poor  40  Starry Night  Vincent Van Gogh  Poor  75  Still Life  Vincent Van Gogh  Good  25 Being a software geek who doesn’t (yet) understand art, you feel that price(or insurance price) of a painting is the most important criteria. So you feel that based on years-of-experience employees can be tasked with maintaining different paintings. You decide that paintings worth over 50 cost should be only handled by employees with over 20 years of experience and employees with less than 10 years of experience should not handle any painting. Lets us start with policy modeling. All paintings have a common set of attributes and actions, so it will be good to have them under a single Resource Type. Based on this resource type we will create the actual resources. So our high level model is: 1) Resource Type: Painting which has action manage and the following four attributes a) Name of the work b) Painter c) Condition (good/poor) d) Cost 2) To keep things simple lets use painting name for Resource name (in real world you will try to use some identifier which is unique, because in future we may end up with more than one painting which has the same name.) 3) Create Resources based on the previous table 4) Create an identity attribute Experience (Integer) 5) Create the following authorization policies a) Allow employees with over 20 years experience to access all paintings b) Allow employees with 10 – 20 years of experience to access painting which cost less than 50 c) Deny access to all paintings for employees with less than 10 year of experience OES Authorization Configuration We do need to create 2 authorization policies with specific conditions a) Allow employees with over 20 years experience to access all paintings b) Allow employees with 10 – 20 years of experience to access painting which cost less than 50 c) Deny access to all paintings for employees with less than 10 year of experience We don’t need an explicit policy for Deny access to all paintings for employees with less than 10 year of experience, because Oracle Entitlements Server will automatically deny if there is no matching policy. OEG Policy The OEG policy looks like the following The 11g Authorization filter configuration is similar to :  The ${PAINTING_NAME} and ${USER_EXPERIENCE} variables are initialized by the "Retrieve from the HTTP header" filters for testing purpose. That's to say, under Service Explorer, we need to provide 2 attributes "Experience" & "Painting" following the OES 11g Authorization filter described above.

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• Domino Dump Turns Into Van Gogh Painting [Video]

  - by Jason Fitzpatrick

  We’ve seen a lot of domino projects in our day, but this is the first one we’ve seen that turns into a piece of classic art when it’s done. Courtesy of domino enthusiast FlippyCat: I recreated Vincent van Gogh’s “Starry Night” from just over 7,000 dominos. The second attempt took about 11 hours total to build. The first attempt failed, when I dropped a screw from the camera rig onto it. I was able to improve the swirling clouds better in the second attempt as a result though. I do not know how long the first attempt took, but I did not have any accidents building like I did in the second attempt! Next up, Edvard Munch’s The Scream? How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8 How to Banish Duplicate Photos with VisiPic

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• Convert String to DateTime

  - by Vinzcent

  What is the best way to convert a string to DateTime? The format of the string is dd/mm/yyyy hh:mm:ss. Thanks a lot, Vincent

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• C#: DataBase Null in RadioButtonList

  - by Vinzcent

  Hey, I would like to have a radiobuttollist were you can select value null. Something like this: <asp:RadioButtonList ID="rblCD" runat="server" SelectedValue='<%# Bind("tblCD") %>'> <asp:ListItem Value="RW">RW</asp:ListItem> <asp:ListItem Value="R">R</asp:ListItem> <asp:ListItem Value="DBNull">None</asp:ListItem> </asp:RadioButtonList> Thanks a lot, Vincent

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• Dynamic populate ComboBox (Flex)

  - by Vinzcent

  Hey, I want to populate a ComboBox after a clicked a button. This is my code: var dpNames:ArrayCollection = new ArrayCollection(); for each(var ca:Categorie in arrCategories) { dpNames.addItem ({label: ca.name, data: ca.value}); } cbWijzigCategorie.dataProvider = dpNames; But when he executes the last line, I alwas get the following error: TypeError: Error #1009: Cannot access a property or method of a null object reference. I have no idea why. Thanks a lot, Vincent

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• Opera 10 supports html5 audio tag but Opera 11?

  - by tengyong

  I have been working on a HTML5 project and I recently noticed Opera 10.60 supports audio tag perfectly but not latest version of Opera (version 11.00 build 1156). you may try with URL: http://moztw.org/demo/audioplayer/ with Opera 11.00. I can see the audio player without problem but it just doesn't play the music. My HTML code is as simple as :- <audio controls src="media/vincent.ogg" type="audio/ogg"></audio>

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• As3 Communicate with C# or Asp.net

  - by brenjt

  I have been looking around for hours trying to find a clear simple solution to my question and have yet to find a good answer. I am trying to do a URL request in flash to my NOPCommerce site. I want to pass a GET value to the my .cs file which i'll then use that value to grab specific information and return it back to flash. How would I set up the C# or asp.net side of things? If anyone could give me an example of what I am looking for I would greatly appreciate it. I don't know if I am supposed to use a .aspx, .cs or .ascx file. Thanks, Brennan

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• Trouble with Windows 7

  - by vtimmerm

  Hi, I'm trying to virtualize an application for Windows 7 but am running into trouble: Application will run fine in Windows 7 if installed in the base. When it is virtualized, it will run on XP, but not on Windows 7. I have tried this in three ways: Captured on XP with ThinApp 4.0 Captured on XP with ThinApp 4.5 Captured on Windows 7 with ThinApp 4.5 Even when captured on Windows 7, it will not run on Windows 7 but will run on XP. When captured with a rival product, Altiris SVS, the virtualized app runs fine on Windows 7. Any idea's what could cause this behaviour? Looking at the trace file, you see that they are different right from the start when comparing Windows 7 and XP tracefiles. What could cause it to go in completely different directions? (And why does the tracefile on Windows 7 say: Operating System Unknown? Does everybody have that on Windows 7 even with 4.5?) The error message is: "Object variable or with block variable not set". Thanks, Vincent

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• List of resources for database continuous integration

  - by David Atkinson

  Because there is so little information on database continuous integration out in the wild, I've taken it upon myself to aggregate as much as possible and post the links to this blog. Because it's my area of expertise, this will focus on SQL Server and Red Gate tooling, although I am keen to include any quality articles that discuss the topic in general terms. Please let me know if you find a resource that I haven't listed! General database Continuous Integration · What is Database Continuous Integration? (David Atkinson) · Continuous Integration for SQL Server Databases (Troy Hunt) · Installing NAnt to drive database continuous integration (David Atkinson) · Continuous Integration Tip #3 - Version your Databases as part of your automated build (Doug Rathbone) · How the "migrations" approach makes database continuous integration possible (David Atkinson) · Continuous Integration for the Database (Keith Bloom) Setting up Continuous Integration with Red Gate tools · Continuous integration for databases using Red Gate tools - A technical overview (White Paper, Roger Hart and David Atkinson) · Continuous integration for databases using Red Gate SQL tools (Product pages) · Database continuous integration step by step (David Atkinson) · Database Continuous Integration with Red Gate Tools (video, David Atkinson) · Database schema synchronisation with RedGate (Vincent Brouillet) · Database continuous integration and deployment with Red Gate tools (David Duffett) · Automated database releases with TeamCity and Red Gate (Troy Hunt) · How to build a database from source control (David Atkinson) · Continuous Integration Automated Database Update Process (Lance Lyons) Other · Evolutionary Database Design (Martin Fowler) · Recipes for Continuous Database Integration: Evolutionary Database Development (book, Pramod J Sadalage) · Recipes for Continuous Database Integration (book, Pramod Sadalage) · The Red Gate Guide to SQL Server Team-based Development (book, Phil Factor, Grant Fritchey, Alex Kuznetsov, Mladen Prajdic) · Using SQL Test Database Unit Testing with TeamCity Continuous Integration (Dave Green) · Continuous Database Integration (covers MySQL, Perason Education) Technorati Tags: SQL Server,Continous Integration

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• TFS 2010–Bridging the gap between developers and testers

  - by guybarrette

  Last fall, the Montreal .NET Community presented a full day on ALM with a session called “Bridging the gap between developers and testers”. It was a huge success. TFS experts Etienne Tremblay and Vincent Grondin presented again this session at the Ottawa user group in January and this time, the event was recorded by DevTeach in collaboration with Microsoft.  This 7 hours training is broken in 13 videos that you can watch online for free on the DevTeach Website.  If you’re interested in TFS, how to migrate from VSS, the TFS testing tools, how to set the TFS testing lab, how to test a UI and how to automate the tests, this is a must see series.   Here’s the segments list: Intro Migrating from VSS to TFS Automating the build Where’s our backlog? Adding a tester to the team Tester at work Bridging the gap Stop, we have a problem! Let’s get back on track Multi-environment testing Testing in the lab UI Automation Validating UI automation Look boss, no hands! http://www.devteach.com/ALM-TFS2010-Bridgingthegap.aspx var addthis_pub="guybarrette";

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• Unlock More Value: Oracle Platinum Services at Oracle OpenWorld

  - by Oracle OpenWorld Blog Team

  In a bold move to provide even more value to customers who adopt the extreme performance of Oracle Exalogic Elastic Cloud, Oracle Exadata, and Oracle SPARC SuperCluster, Oracle recently launched a set of enhanced services that help IT managers decrease the cost and complexity of supporting their IT environments: Oracle Platinum Services. Learn more by attending the Oracle Platinum Services: Unlock More Value with Advanced Support session at Oracle OpenWorld. In this session, Oracle shares how to achieve maximum performance and lower total cost of ownership through certified configurations for Oracle engineered systems and Oracle Platinum Services. Hear about the industry-leading Oracle Platinum Services offering and tools already used by Oracle customers, including remote fault monitoring, faster response times and patching services.Vincent Biddlecombe, chief technology officer of Transplace, a third-party logistics provider, is seeing results already. He says “The Platinum Services offering has been a great addition to Oracle Premier Support. This level of support is unique in my experience. We saw results very quickly. Our experience has exceeded my expectations.” The patching services have enabled Transplace to stay up to date on the latest improvements.  According to Biddlecombe, “We've gone from being eight patches behind to completely up to date, and I'm extremely happy.”  Visit us on Monday, October 1 at 12:15 p.m. and become familiar with industry-leading Oracle Platinum Services. For more information on Oracle Customer Support Services sessions and events, go to Oracle Customer Support Services.

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