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  • Applying pagination options to a one-to-many list in Grails

    - by UltraVi01
    I have a User class that hasMany = [friends:User] Now I am trying to display the friends list - ${user.friends} However, I'd like to be able to apply parameters like I can with, for example, User.findAllBy(user, [max:10, sort: 'dateCreated', order: 'desc"]) Can someone kindly tell me how to do this on a one-to-many in Grails / Groovy ?

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  • Why the Markitup BBcode preview doesnt work for me?

    - by Glars
    I dont know how to make works BBcode preview on Markitup Editor. I followed all instructions and the editor is working but i really dont understand what to do to make the correct preview appear, actually I can open the windows preview but i cant get the html code. I had download the parser file (markitup.bbcode.parser.php) and settled the previewParserPath too and i readed about configure or create some preview.php but really I dont know how to do it. So if someone have experience setting markitup bbcode please help me. Thanks,

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  • Gamma Distribution in Boost

    - by Kamchatka
    Hello, I'm trying to use the Gamma distribution from boost::math but it looks like it isn't possible to use it with boost::variate_generator. Could someone confirm that? Or is there a way to use it. I discovered that there is a boost::gamma_distribution undocumented that could probably be used too but it only allows to choose the alpha parameter from the distribution and not the beta. Thanks!

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  • MySQL vs PostgreSQL for Web Applications

    - by cnu
    I am working on a web application using Python (Django) and would like to know whether MySQL or PostgreSQL would be better when deploying for production. In one podcast Joel said that he had some problems with MySQL and the data wasn't consistent. I would like to know whether someone had any such problems. Also when it comes to performance which can be easily tweaked?

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  • How to get max of composite data in SQL?

    - by Siddharth Sinha
    SELECT "Name""Month","Year","Value" from Table WHERE "Name" LIKE '%JERRY%' AND "Year" = (SELECT MAX("Year") FROM Table where "Name" LIKE '%JERRY%') AND "Month"= (SELECT MAX("Month") FROM Table where "Name" LIKE '%JERRY%' AND "Year"= (SELECT MAX("Year") FROM Table where "Name" LIKE '%JERRY%')) Table -- Name | Year | Month | Value ----------------------------- JERRY 2012 9 100 JERRY 2012 9 120 JERRY 2012 9 130 JERRY 2012 8 20 JERRY 2011 12 50 So i want the first three rows as output. As for the latest month for the latest year i need all the values. Can someone suggest a better cleaner query?

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  • Lost Session when AddModelError

    - by Ph.E
    Friends, I do not know why, but every time I add a ModelErrror my session is lost. Someone tell me how I can work around / fix it? Session[CtSessionName + SessionId] = _ListaAcaoMenuInfo; AcaoMenuInfoExt _SelecionadoAcaoMenuExt = _ListaAcaoMenuInfo.Where(p => p.Id_acao == id).FirstOrDefault(); if (_SelecionadoAcaoMenuExt.Is_AcaoInicial) { ModelState.AddModelError(String.Empty, "Error! Try Again, and Again, And Again!"); }

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  • Examples of attoparsec in parsing binary file formats?

    - by me2
    Previously attoparsec was suggested to me for parsing complex binary file formats. While I can find examples of attoparsec parsing HTTP, which is essentially text based, I cannot find an example parsing actual binary, for example, a TCP packet, or image file, or mp3. Can someone post some code or pointer to some code which does this using attoparsec?

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  • How do emulators work and how are they written?

    - by Simucal
    How do emulators work? When I see NES / SNES or C64 emulators, it astounds me. Do you have to emulate the processor of those machines by interpreting it's particular assembly instructions? What else goes into it? How are they typically designed? Can you give any advice for someone interested in writing an emulator (particularly a game system)?

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  • How does Batcher Merge work at a high level?

    - by Mike
    I'm trying to grasp the concept of a Batcher Sort. However, most resources I've found online focus on proof entirely or on low-level pseudocode. Before I look at proofs, I'd like to understand how Batcher Sort works. Can someone give a high level overview of how Batcher Sort works(particularly the merge) without overly verbose pseudocode(I want to get the idea behind the Batcher Sort, not implement it)? Thanks!

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  • Understanding Twitter API's "Cursor" parameter

    - by Adam
    I don't really get how to use the Curesor parameter in Twitter's API, for an exmaple - here. Am I supposed to make a new API call for each 100 followers? I'd love it if someone could provide a PHP example for getting a full list of followers assuming I have more than 100... Thanks in advance!

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  • getting the mime of text files

    - by acidzombie24
    I am using a piece of code someone pasted for C# which uses urlmon.dll. It reads in <= 256bytes and returns the mime based on the data. Problem is it cant distinguishes a css file from a text/plain. I can goto /style.css but when including it in my html the CSS does not show up. I am using urlmon + context.Response.TransmitFile to send it.

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  • convert sql to linq sample

    - by Jeroen Breuer
    Hello, I've got a sql statement, but I can't get it working in linq. Can someone show me how I can write the following sql statement as linq? SELECT * FROM mobileApplication LEFT JOIN videoMobile ON mobileApplication.id = videoMobile.mobileApplicationId AND videoMobile.videoId = 257 It's a left join with a where statement on the right table. It works in sql server 2005, but I'd like to write it in linq.

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  • Regular expression for bounce email message

    - by Ryan
    I am looking for a regular expression (or other method if there is such a thing) for detecting bounce email messages. So far I have been going through our unattended mail box and adding strings that I find into a regex. I figured someone would have something that is already complete rather than me re-inventing the wheel. Here is an example of what I have so far: /reason: 550|permanent fatal errors|Error 550|Action: Failed|Mailbox does not exist|Delivery to the following recipients failed/i

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  • Neural Network: Handling unavailable inputs (missing or incomplete data)

    - by Mike
    Hopefully the last NN question you'll get from me this weekend, but here goes :) Is there a way to handle an input that you "don't always know"... so it doesn't affect the weightings somehow? Soo... if I ask someone if they are male or female and they would not like to answer, is there a way to disregard this input? Perhaps by placing it squarely in the centre? (assuming 1,0 inputs at 0.5?) Thanks

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  • How to 'convert' char to function in C

    - by Tim van Elsloo
    Hi, void someFunction() { char *function = "anotherFunction"; const char *params[] = {"aVal","bVal","cVal"}; // How can I call the *function with the *params? } void anotherFunction(char *aKey, char *bKey, char *cKey) { // Do something with *aKey, *bKey and *cKey; } Does someone know how to call the *function with the *params? Thanks in advance, Tim

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  • Commission Detail Service (REST)

    - by Mike
    Hi, Can someone who uses CJ's Commission Detail Service (REST) tell me what a sample XML response is for this query. None of CJ's Web Services documentation indicates exactly how the XML is formatted and as I don't have any commission payments yet I can only guess the result.

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