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  • Sending emails based on intervals using Ruby on Rails

    - by Angela
    Hi, I would like to be able to send a string of emails at a determined interval to different recipients. I assign to each Contact this series of Emails called a Campaign, where Campaign has Email1, Email2, etc. Each Contact has a Contact.start_date. Each Email has email.days which stores the number of days since a Contact's start-date to send the email. For example: Email1.days=5, Email2.days=7, Email3.days=11. Contact1.start_date = 4/10/2010; contact2.start_date = 4/08/2010 IF today is 4/15, then Contact1 receives Email 1 (4/15-4/10 = 5 days) IF today is 4/15, then Contact2 received Email 2 (4/15 - 4/8 = 7 days). What's a good action to run every day using a cron job that would then follow these rules to send out emails using ActionMailer? Thanks.

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  • sql server deadlock issue on a single table..................

    - by devendra
    I have one table let's say "xxx "in sql server 2000 . One .exe is inserting data into that table "xxx" through sql job. But once data is inserted , one stored procedure is reading the data from that "xxx table "and inserting/updating into other two tables and updating back the status into the same "xxx" table. Now, client says that multiple deadlocks are occuring on that "xxx" table . please kindly anyone sdvice me the resolution steps to be taken to resolve this deadlock issue and how to identify it step by step............. Thanks in advance..... XXX

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  • Pig: Count number of keys in a map

    - by Donald Miner
    I'd like to count the number of keys in a map in Pig. I could write a UDF to do this, but I was hoping there would be an easier way. data = LOAD 'hbase://MARS1' USING org.apache.pig.backend.hadoop.hbase.HBaseStorage( 'A:*', '-loadKey true -caching=100000') AS (id:bytearray, A_map:map[]); In the code above, I want to basically build a histogram of id and how many items in column family A that key has. In hoping, I tried c = FOREACH data GENERATE id, COUNT(A_map); but that unsurprisingly didn't work. Or, perhaps someone can suggest a better way to do this entirely. If I can't figure this out soon I'll just write a Java MapReduce job or a Pig UDF.

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  • I want to create a common unit test function to check all functions based on parameter

    - by Nilesh Rathod
    I want to create a common unit test function to check all functions based on parameter for e.g commonmethod(string methodname,string paramter1,....) { .... } what logic should i write inside this method so that by passing a actual function in parameter methodname and then the common method should execute that function and should return the output. i am using entity framework for all functions which has been created in my project and now i dont want to create a separate unit test function for each function.just one function should do the job based on different parameters... is that possible.. ?, if so then please provide me an code for same.. Thanks in advance..!!!

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  • How to get the right order for creation of stored procedure, user-defined functions and triggers

    - by PeeWee2201
    I read that object dependencies have been improved in SQL server 2008. I have a rather complex database schema containing stored procedure, user-defined functions, triggers. Can anybody give me a query that would return the right order of creation of those items based on their dependencies ? I read here that there are tools that can do the job, but I am looking for something scriptable. Also, they often give the dependencies of one object and I would like a database-wide solution. Thank you.

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  • Position elements without overlap

    - by eWolf
    I have a number of rectangular elements that I want to position in a 2D space. I calculate an ideal position for each element. Now my problem is that many elements overlap as very often the ideal positions are concentrated in one region. I want to avoid overlap as much as possible (doesn't have to be perfect, though). How can I do this? I've heard physics simulations are suitable for this - is that correct? And can anyone provide an example/tutorial? By the way: I'm using XNA, if you know any .NET library that does exactly this job - tell me!

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  • How to maintain a pool of names ?

    - by Jacques René Mesrine
    I need to maintain a list of userids (proxy accounts) which will be dished out to multithreaded clients. Basically the clients will use the userids to perform actions; but for this question, it is not important what these actions are. When a client gets hold of a userid, it is not available to other clients until the action is completed. I'm trying to think of a concurrent data structure to maintain this pool of userids. Any ideas ? Would a ConcurrentQueue do the job ? Clients will dequeue a userid, and add back the userid when they are finished with it.

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  • Is there any program that obfuscates C# source code?

    - by markattwood
    Our requirement is being able to integrate our DLLs with ClickOnce. Dotfuscator does the obfuscation job nicely but the obfuscated DLLs cannot be deployed with ClickOnce on customer side. On our side, we can handle it perfectly. Moreover, the obfuscated assemblies sometime crashes our .NET CF app. It turns out to a solution that creates a temporary source and obfuscates it before compiling with VS. This ensures that the compiled assembly can be integrated with ClickOnce and fully compatible with .NET CF. What is the best tool to obfuscate C# SOURCE CODE (not assemblies)?

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  • Using MSDN Licence

    - by Buchanan
    I'm a Micorsoft .NET developer. My employer gave me MSDN Subscription. I need to download Windows 7 (My subscription says I can download it), I want to download it to my home PC, and use it. At work we do not use Windows 7. I do lot of .NET development work using my home PC but not directly work related (Even though the experience I gain assist work related activities). Also 99% percent of work I do, from my home PC, is related to my job. I want to download and use Windows 7 in my home PC. I'm not sure this is legal or not. Can anyone please advice me on this?

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  • java: speed up reading foreign characters

    - by Yang
    My current code needs to read foreign characters from the web, currently my solution works but it is very slow, since it read char by char using InputStreamReader. Is there anyway to speed it up and also get the job done? // Pull content stream from response HttpEntity entity = response.getEntity(); InputStream inputStream = entity.getContent(); StringBuilder contents = new StringBuilder(); int ch; InputStreamReader isr = new InputStreamReader(inputStream, "gb2312"); // FileInputStream file = new InputStream(is); while( (ch = isr.read()) != -1) contents.append((char)ch); String encode = isr.getEncoding(); return contents.toString();

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  • Where can I learn more about datastructure tricky questions?

    - by Sandbox
    I am relatively new to programming (around 1 year programming C#-winforms). Also, I come from a non CS background (no formal degree) Recently, while being interviewed for a job, I was asked about implementing a queue using a stack. I fumbled and wan't able to answer the question. After, the interview I could do it(had to spend some time). I have learnt (and think that I know it well) basic algorithms in datastructures using the book Data Structures: A Pseudocode Approach with C - Richard F. Gilberg (Author) . I want to know about sites/ books which have such questions along with answers. I think this will allow me to develop my CS specific problem solving skills. Any help is appreciated. BOUNTY: I am looking at some blog/website with datastructure and algorithms Q&A.

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  • Other SecurityManager implementations available?

    - by mhaller
    Is there any other implementation (e.g. in an OSS project) of a Java SecurityManager available which has more features than the one in the JDK? I'm looking for features like configurable at runtime policies updateable at runtime, read from other data sources than a security.policy file Thread-aware, e.g. different policies per Thread Higher-level policies, e.g. "Disable network functions, but allow JDBC traffic" Common predefined policies, e.g. "Allow read-access to usual system properties like file.encoding or line.separator, but disallow read-access to user.home" Monitoring and audit trace logging, e.g. "Log all file access, log all network access going NOT to knownhost.example.org" Blocking jobs "requesting" a permission until an administrator grants permission, letting the thread/job continue ... I'm pretty sure that application servers (at least the commercial ones) have their own SecurityManager implementation or at least their own policy configuration. I'm wondering if there is any free project with similar requirements.

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  • What is this event?

    - by Shawn Mclean
    Could someone explain what this C# code is doing? // launch the camera capture when the user touch the screen this.MouseLeftButtonUp += (s, e) => new CameraCaptureTask().Show(); // this static event is raised when a task completes its job ChooserListener.ChooserCompleted += (s, e) => { //some code here }; I know that CameraCaptureTask is a class and has a public method Show(). What kind of event is this? what is (s, e)?

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  • How can I create a google-spreadsheet using C#

    - by Kev
    I've installed the latest Google Data API for .Net. But I cannot figure out how to create a spreadsheet using C# code. It's not included in the sample programs. I've tried this: SpreadsheetsService ss = new SpreadsheetsService("Spreadsheet Example"); ss.setUserCredentials("[email protected]", "password"); SpreadsheetEntry se = new SpreadsheetEntry(); se.Title.Text = "new"; ss.Insert(new Uri("http://spreadsheets.google.com/feeds/spreadsheets/private/full"), se); However, It doesn't work! Is there some way to do this job? Thank you!

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  • Is there a smart web developer language skill combination?

    - by Cryo
    I'm no newbie to programming, but I'm making the move to a career in web development, and I've noticed that so many job postings have different combinations of skill requirements: (PHP, C#, XML, XHTML/CSS, ASP, .NET, jQuery, YUI, Joomla, Ruby, Perl, Python, Java, Javascript... the list goes on.) As of now, I've started learning XHTML, CSS, JavaScript, jQuery, PHP, and mySQL, but with so many combinations, I want to plan ahead to have a marketable combination of skills as early on as possible. Am I on the right path? What is vital for a marketable web programmer's arsenal? Thanks for your thoughts.

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  • HTTPS and HTTParty - Timeout and EOF

    - by ferparra
    Hi all, I'm trying to post something to an HTTPS resource, but it seems it doesn't work. My code look something like this: require 'httparty' class MyClass include HTTParty base_uri "https://mydomain.com:8085/search" basic_auth 'admin', 'changeme' format :xml def mymethod self.class.post('/job', :query => {:search => "*"}) end end As you can see, I've defined an URI with 'https' included, so it should set the use_ssl property for the Net::HTTPS library automatically. For some reason, Net::HTTP is requested, and I never get in touch with the server, so I end up with an EOF. Any clues?

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  • Browser Not Reading Entire XML File

    - by Chris
    I have an XML file that is written by a PHP script. The data for the XML file is gathered from several different RSS feeds. The PHP script is invoked every 5 minutes by a Cron Job. The PHP Script takes maybe 5-10 seconds to write the XML File. Here's the problem: After the XML file is written, I can open it through DreamWeaver and read everything just fine - but when I enter the XML File's URL into my Web Browser (IE or Firefox), I get a "XML Parsing Error: not well-formed" Error in the Browser. When I do View Source in the Browser, the XML file appears incomplete - but when I open the file directly off the server, it is complete. Anyone know what's going on here?

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  • Most valued skill set in web development industry/what should I be doing now? (Kinda random "career"

    - by Andrew
    I want to be a web programmer [when I grow up?] because it's what I like doing, and I really do thoroughly enjoy it (web development in general, actually). I have about 2 years experience with PHP, CSS, and HTML and a few months experiance with JS and jQuery. I've been wondering this for a while -- what languages should I be most familiar with if I want to try and make a career out of web development? I'm only 17, so I've got plenty of time, and I think I've got a decent headstart on things, but it doesn't hurt to ask. If I'm thinking in terms of being able to get hired as a web programmer, what is (or what are...?) the most useful thing I can do now to be able to have an upper hand when it comes to looking for a job. What languages, as a young programmer, should I really focus on? If you were looking to hire a developer, what would you be looking for?

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  • What is the Simplest Possible Payment Gateway to Implement? (using Django)

    - by b14ck
    I'm developing a web application that will require users to either make one time deposits of money into their account, or allow users to sign up for recurring billing each month for a certain amount of money. I've been looking at various payment gateways, but most (if not all) of them seem complex and difficult to get working. I also see no real active Django projects which offer simple views for making payments. Ideally, I'd like to use something like Amazon FPS, so that I can see online transaction logs, refund money, etc., but I'm open to other things. I just want the EASIEST possible payment gateway to integrate with my site. I'm not looking for anything fancy, whatever does the job, and requires < 10 hours to get working from start to finish would be perfect. I'll give answer points to whoever can point out a good one. Thanks!

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  • Posting to tumblr in PHP

    - by Sherif
    I am trying to make a test post to my tumblr blog with a php script (that will eventually be ran as a cron job) I have been browsing google and read many answers on here and the closest I found is explained in this post: Tumblr OAuth using PHP's OAuth class I am using the code in his tutorial here: http://vigrond.com/blog/2012/02/04/oauth-extension-php-and-the-tumblr-api/ Pretty much as is, replacing the blogurl with mine and of course the consumer and secret key. When I run the .php script via my browser however, nothing happens. Any ideas? EDIT: The only error I found in cPanel's error log is this: [Wed Oct 31 00:29:25 2012] [error] [client xx.xx.xx.xx ] PHP Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /path on line 14 But I fixed this and the error does not appear anymore.

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  • New to php and need to format a php page from html statement

    - by Peter D
    My problem is the page shows a vertical line of options. I want to put them into a 4 column table to display instead of just down lhs of page. The code I want to change is as follows: </tr> <tr> <td>{LOOP: JOBTYPE} IF("{JOBTYPE.parent_id}"!="0"){&nbsp; {:IF} IF("{JOBTYPE.catcount}"=="0"){<input type="checkbox" name="jobtype[{JOBTYPE.id}]" value="{JOBTYPE.id}" {JOBTYPE.selected}>{JOBTYPE.title}<br>{:IF} IF("{JOBTYPE.catcount}"!="0"){<strong>{JOBTYPE.title}</strong><br>{:IF} {/LOOP: JOBTYPE}</td> </tr> <tr> <td>&nbsp;</td> </tr> As you can see I have another column there and can split cell further but i would like the job list to be displayed accross the page not vertically. Thank you in advance, Peter

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  • Are there any open source SimpleTest Test Cases that test PHP SPL interfaces

    - by JW
    I have quite a few objects in my system that implement the PHP SPL Iterator interface. As I write them I also write tests. I know that writing tests is generally NOT a cut 'n paste job. But, when it comes to testing classes that implement Standard PHP Library interfaces, surely it makes sense to have a few script snippets that can be borrowed and dropped in to a Test class - purely to test that particular interface. It seems sensible to have these publicly available. So, I was wondering if you knew of any?

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  • Is Microsoft's Ribbon UI really that great, from a usability perspective?

    - by Thomas Owens
    The first time I ever used it was at my current job. Among my coworkers, the feelings toward it for usability are mixed. The other developer doesn't really care one way or the other, as long as Office does everything he needs it to do when writing reports. The top manager likes it because it feels natural, and I feel the same way. But another coworker finds in klunky and hard to use (although she admits that she only uses it at home as her machine hasn't been upgraded yet, and that might change if she uses it more often at work). So - is the Ribbon UI really that innovative? What qualities about it make it a good or bad user interface mechanism? Possibly related: Adoption of the Ribbon UI

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  • What to read as a good intro and quickstart to aspect-oriented programming and metaprogramming?

    - by Ivan
    As I've found myself repeating myself a lot, writing very similar queries and classes for different entities (despite of doing strong object and relational normalisation), etc, I've came to an Idea that I could and should automate the most of this and write an engine which will compile simple declarative models I specify into all the code limiting my job to describe the task and and finally just customise the result as needed. As far as I know this is about metaprogramming and aspect-oriented programming. How do I get acquainted with modern tools available quickly so that I don't invent one more bicycle developing my own?

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  • Should Factories Persist Entities?

    - by mxmissile
    Should factories persist entities they build? Or is that the job of the caller? Pseudo Example Incoming: public class OrderFactory { public Order Build() { var order = new Order(); .... return order; } } public class OrderController : Controller { public OrderController(IRepository repository) { this.repository = repository; } public ActionResult MyAction() { var order = factory.Build(); repository.Insert(order); ... } } or public class OrderFactory { public OrderFactory(IRepository repository) { this.repository = repository; } public Order Build() { var order = new Order(); ... repository.Insert(order); return order; } } public class OrderController : Controller { public ActionResult MyAction() { var order = factory.Build(); ... } } Is there a recommended practice here?

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