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• How do customize the g:sortableColumn?

  - by kakaotalk

  Well, I have one column in my list that I need to customize, the thing is grails' own g:sortable doesn't work. For instance, my first column shows employee ids, then my second column, shows the employees full name where full name is a combination of first name and last name. I got it to work, sorting and all, but when I try to place it in a table with g:sortable, the g:sortable just wouldn't work. I'm thinking about passing params around but it's a bit tricky. Any suggestions? I've looked around the internet, and seems like nothing. :\

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• Is there a way to pass a regex capture to a block in Ruby?

  - by Gordon Fontenot

  I have a hash with a regex for the key and a block for the value. Something like the following: { 'test (.+?)' => { puts $1 } } Not exactly like that, obviously, since the block is being stored as a Proc, but that's the idea. I then have a regex match later on that looks a lot like this hash.each do |pattern, action| if /#{pattern}/i.match(string) action.call end end The idea was to store the block away in the hash to make it a bit easier for me to expand upon in the future, but now the regex capture doesn't get passed to the block. Is there a way to do this cleanly that would support any number of captures I put in the regex (as in, some regex patterns may have 1 capture, others may have 3)?

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• Trouble with SVN and Filename 'changes'.

  - by Stacey

  I am programming in Visual Studio 2010, using TortiseSVN and VisualSVN as my client to connect to SVN repositories. I am having a bit of a frequent problem though with the whole SVN thing in general. One thing that keeps cropping up is that if I make changes to files - namely filenames, or move them to new folders, etc, I end up getting all kinds of conflicts with the repository and it just causes all sorts of strange errors. I understand the importance of version control and check-in/check-out access like this, but what do most of you do to deal with this kind of thing? I mean, I've tried doing the whole 'Remove from Subversion', change my file, then 'Add to Subversion' thing, and it just doesn't seem to do the job very well. This is especially frustrating when working on web projects where filenames can change very frequently as a project evolves and becomes multifaceted. Are there any standard ways to deal with this kind of thing, or is it just one of the flaws of SVN in general?

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• StringListProperty limited to 500 char strings (Google App Engine / Python)

  - by MarcoB

  It seems that StringListProperty can only contain strings up to 500 chars each, just like StringProperty... Is there a way to store longer strings than that? I don't need them to be indexed or anything. What I would need would be something like a "TextListProperty", where each string in the list can be any length and not limited to 500 chars. Can I create a property like that? Or can you experts suggest a different approach? Perhaps I should use a plain list and pickle/unpickle it in a Blob field, or something like that? I'm a bit new to Python and GAE and I would greatly appreciate some pointers instead of spending days on trial and error...thanks!

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• Passing derived objects in a constructure

  - by Clarence Klopfstein

  This is a bit of a convoluted question, hopefully I can make it clear. I am finding that this may not be possible, but am trying to see if anybody has a solution. I have four classes, two are core classes and two are those core classes extended: extUser Extends coreUser extSecurity Extends coreSecurity In the constructor for coreUser you have this: public coreUser(string id, ref coreSecurity cs) When trying to extend coreUser you would have this: public extUser(string id ref extSecurity es) : base(id, ref es) This fails because es is of type, extSecurity and the base class expects a type of coreSecurity. I've not found anyway to cast this to allow for me to override this base class in C#. In VB it works just fine. Ideas?

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• Not enough storage is available to complete this operation - Program or Storage memory?

  - by Grant Crofton

  I've been given a Windows Mobile app written in .Net CF 3.5 to fix, and one of the problems is to do with storage. The message 'Not enough storage is available to complete this operation' has appeared a few times - it's logged in the SQL CE database, and always happens during data access (but not the same bit of data access). The thing I'm slightly confused about is whether this refers to Program Memory (e.g. RAM) or Storage Memory (e..g permanent storage). It would appear to be storage memory, but the devices seem to have plenty free. While there are some OutOfMemoryExceptions, these appear totally unrelated to this problem (in that that happen at a different time due to an image-related issue). We're using SQL CE 3.5 with a single connection, which is stored along with the app on the device (as opposed to the storage card). The device is a Motorola MC75 running Windows Mobile 6.1. Any thoughts?

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• jQuery: using hover to roll-over multiple images at once.

  - by WillKop

  I have a small problem, but I'm a bit stumped. I am using the following code to do rollovers on my webpage $("#mylink1 img").hover( function() { this.src = this.src.replace("_off","_on"); }, function() { this.src = this.src.replace("_on","_off"); } ); This works great for individual images, but I would like to roll over one of them and have the the other one change as well. <a id="mylink1" href="about.cfm"><img src="images/Home_top_navs/aboutus_manage_off.gif" /></a> <a id="mylink1" href="about.cfm"><img src="images/Home_top_navs/aboutus_nav2_off.gif" /></a> Any help would be appreciated! Thank you!

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• Paging To The End Of A Data View Web Part

  - by ForNow

  Hi all! Hopefully you can help me with this. I've displayed an Announcement web part on a page with 20 items. I opened up SharePoint Designer 2007 and set the paging to 6 items. I've added a little bit of (OOB) functionality so that I have buttons for START, PREVIOUS, and NEXT. These work well without any problems but I'm wondering how do I get END to work? I tried using the $LastRow & $RealLastRow values supplied by the web part but those just give me the number of how many items are in the current view, not the total items in the list. Little help!

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• Looking for a free CMS which allows content injection

  - by ChocolateSheep

  Hi all, I was wondering if anyone could tell me of a free CMS that will allow me to change the basic content (text, image etc etc) of a website, without forcing it's own templates or designs. This is the scenario; I have already designed my website, already implemented it, and I just need a way for the actual User to edit the contents of the pages. I've looked into Drupal and Joomla, and the hosted ones such as CushyCMS (I liked the way this worked) and SimpleCMS, however I am a bit wary of hosted CMS systems... Any ideas??

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• Updating counters through Hibernate

  - by at

  This is an extremely common situation, so I'm expecting a good solution. Basically we need to update counters in our tables. As an example a web page visit: Web_Page -------- Id Url Visit_Count So in hibernate, we might have this code: webPage.setVisitCount(webPage.getVisitCount()+1); The problem there is reads in mysql by default don't pay attention to transactions. So a highly trafficked webpage will have inaccurate counts. The way I'm used to doing this type of thing is simply call: update Web_Page set Visit_Count=Visit_Count+1 where Id=12345; I guess my question is, how do I do that in Hibernate? And secondly, how can I do an update like this in Hibernate which is a bit more complex? update Web_Page wp set wp.Visit_Count=(select stats.Visits from Statistics stats where stats.Web_Page_Id=wp.Id) + 1 where Id=12345;

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• handing data returned from jquery get request

  - by ian

  I have a simple jquery script as follows: $('a').click(function() { //get the id of the song we want to play var song_id = $(this).attr("id"); //do a get request to get the information about the song $.get("http://www.site.com/v4/ajax/get_song_info.php", { id: song_id, }, function(data) { alert("Data Loaded: " + data); }); //alert( song_id ); }); I have gotten it to work and it returns several bits of data 'artist' 'title' 'song duration' and so on. How do I process my 'data' so I can then update my page with each bit. In this case I want to set a series of '' to hold each of the values returned. Thanks.

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• adding a mail contact into AD

  - by Grant Collins

  Hi, I am looking for a bit of guidence on how to create mail contacts in AD. This is a follow on question from SO Q#1861336. What I am trying to do is add a load of contact objects into an OU in Active Directory. I've been using the examples on CodeProject, however they only show how to make new user etc. How do I create a contact using c#? Is it similar to creating a new user but with different LDAP type attributes? My plan is to then run the enable-mailcontact cmdlet powershell script to enable Exchange 2010 to see the contact in the GAL. As you can see by my questions I don't usually deal with c# or Active Directory so any help/pointers would be really useful before I start playing with this loaded gun. Thanks, Grant

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• Constant embedded for loop condition optimization in C++ with gcc

  - by solinent

  Will a compiler optimize tihs: bool someCondition = someVeryTimeConsumingTask(/* ... */); for (int i=0; i<HUGE_INNER_LOOP; ++i) { if (someCondition) doCondition(i); else bacon(i); } into: bool someCondition = someVeryTimeConsumingTask(/* ... */); if (someCondition) for (int i=0; i<HUGE_INNER_LOOP; ++i) doCondition(i); else for (int i=0; i<HUGE_INNER_LOOP; ++i) bacon(i); someCondition is trivially constant within the for loop. This may seem obvious and that I should do this myself, but if you have more than one condition then you are dealing with permuatations of for loops, so the code would get quite a bit longer. I am deciding on whether to do it (I am already optimizing) or whether it will be a waste of my time.

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• Strange type in c++

  - by Cemre

  I have a method with the prototype: bool getAssignment(const Query& query, Assignment *&result); I am a bit confused about the type of the second param (Assignment *&result) since I don't think I have seen something like that before. It is used like: Assignment *a; if (!getAssignment(query, a)) return false; Is it a reference to a pointer or the other way around ? or neither ? Any explanation is appreciated. Thanks.

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• windows 7 (windows-system32-systemproperties.exe n) need programme elevation message

  - by mohammedjas

  hi, i have the issue with windows 7 32-bit professional, since this is a network computer, when i download or install something it was asking for admin password , i gave password, then its shows programme need elevation , after i gone to my computer-properties-advanced tap - again the same message displays as windows-system32-systempropertiesadvanced.exe need programme elevation .this same message showing in all eg: if i click to install something wind/sys32/isyspropertiesins.exe progrmme need elevation , also i was not able to add or change somthing in the computermanagement, user or group , says some error , even i logged in admin also,, please help me out with good soluton ..i am looking forward reply , as soon as possible. regards, mohmmed

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• Lua not producing table of functions (IO API)

  - by ArtOfCode

  I'm working on a basic project in Lua. I've been trying to get data from files using the IO API (as defined here), but when I open a file and give it a handle, it doesn't seem to return a table of functions. The (erroneous bit of) code: local unread = fs.list("email/"..from.."/") local send = "" for _,file in ipairs(unread) do local handle = io.open(file,"r") local text = handle:read("*a") send = send .. text .. "\n" handle.close() fs.delete(file) end The fs you see on the first line is a professional filesystem wrapper round the IO API, not my work and perfectly error-free, so that's not the problem. However, when I try to read the file (handle:read()), it throws "attempt to index nil". Tracing it, it turns out that handle itself is nil. Any ideas?

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• About a Class Object

  - by Chicko Bueno

  I have a very basic question about a class object. After the class has been created, we need to create a class object. At this point, I'm a bit confused to make either *object or object. Example: CClass object CClass *object What is the difference both of them? And to access class function i need to use dot '.' and arrow '->'. I know dot and arrow used to access class function, but what is the significant meaning for both dot and arrow?

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• Operations on 64bit words in 32bit system

  - by Vilo

  I'm new here same as I'm new with assembly. I hope that you can help me to start. I'm using 32bit (i686) Ubuntu to make programs in assembly, using gcc compiler. I know that general-purpose-registers are 32bit (4 bytes) max, but what when I have to operate on 64 bit numbers? Intel's instruction says that higher bits are stored in %edx and lower in %eax Great... So how can I do something with this 2-registers number? I have to convert 64bit dec to bin, then save it to memory and show on the screen. How to make the 64bit quadword at start of the program in .data section?

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• R looking for the wrong java version

  - by Veit

  Hi, I installed/uninstalled java jre/jdk now many times and finally installed the older version 1.6.0_17 which is now located at "C:\Program Files\Java\jre6\bin". Now after all if I call 'java -version' within R i can see that R is looking for Java at the old path which is now wrong. The question is: Why is R looking for Java at the wrong path even so the windows path is set correctly? There are no double entrys within the windows path as far as I can see and I restarted R as well as Windows more then once since then. Any Ideas where R takes the wrong path from? On windows shell: $set [..] OS=Windows_NT Path=C:\Program Files\Java\jre6\bin; [..] $ java -version java version "1.6.0_17" Java(TM) SE Runtime Environment (build 1.6.0_17-b04) Java HotSpot(TM) 64-Bit Server VM (build 14.3-b01, mixed mode) within R: $system("java -version") Error: could not open `C:\Program Files (x86)\Java\jre6\lib\i386\jvm.cfg'

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• iphone application development -- passing data to and from the server.

  - by SAPNA

  i have to develop an -phone application .user logs in through the i-phone and gets data stored in the database.our database is created in MY SQL. and website is developed in (classic) ASP.interface is created in i-phone SDK. connection is remaining.what should i use for transferring data to server and from the server. JSON or SOAP.is XML parsing necessary.actually i am very new to this field. so a bit confused. we have some time left for completing our application.so in urgent need of help. thank you in advance.

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• haskell. words into binary numbers

  - by Katja

  I need to convert words into binary numbers. With a bit help of yours I got this blCo::String -> Integer blCo x = num2bin(lett2num x) blCo (x:xs) | x:xs = num2bin(lett2num x):blCo xs num2lett :: Int -> Char num2lett n | (n <= ord 'A') && (n <= ord 'Z') = chr(ord 'A'+ n - 1) | (n <= ord 'a') && (n <= ord 'Z') = chr(ord 'A'+ n - 1) num2bin :: Integer -> String num2bin n | n >= 0 = concatMap show (reverse ( n2b n)) | otherwise = error "num2bin: negative number" where n2b 0 = [] n2b n = n `mod` 2 : n2b (n `div` 2) he tells me a mistake.I dont undertsand it mistake: Couldn't match expected type `Char' against inferred type `String' In the first argument of `lett2num', namely `x' In the first argument of `num2bin', namely `(lett2num x)' In the expression: num2bin (lett2num x)

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• How do I get this php statement that gets all the values from database and outputs as checkboxes to

  - by ggfan

  I am a bit lost in all these "" and '' and . in this statement. Basically this query is to get all the tagname from table "tag" and display them for the users as checkboxes. If they have clicked 'submit' and they missed another field(say the title of a post), it would still have the tag they chose displayed. The part I need help with is the echoing part. It doesn't seem to remember the tag when they click submit. $query4 = "SELECT * FROM tags ORDER BY tagname"; $data4 = mysqli_query($dbc, $query4); while ($row4 = mysqli_fetch_array($data4)) { echo "<li><input type='checkbox' name='postingtag[]'"; if (!empty($postingtag)){ echo "value='$postingtag'"; } else{ echo "value='{$row4['tagID']}'"; } echo ">{$row4['tagname']}</li>"; }

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• Split Entire Hash Range Into n Equal Ranges

  - by noxtion

  Hello. I am looking to take a hash range (md5 or sha1) and split it into n equal ranges. For example, if n=5, the entire hash range would be split by 5 so that there would be a uniform distribution of key ranges. I would like n=1 to be from the beginning of the hash range to 1/5, 2 from 1/2 to 2/5, etc all the way to the end. I am new to hashing and a little bit unsure of where I could start on solving this for a project. Any help you could give would be great.

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• Best Data Access Methods for New Web Application

  - by user98454

  I'm building a new web application project and am confused by the numerous methods of performing data access. I'm backending on SQL and a bit confused whether to use LINQ to SQL or trtaditional ADO.net ? what are the advantages and disadvantages of using LINQ/SQL over ADO.net? If it is ADO.net,then what is the best way to retrieve data means either calling the stored procedures or directly calling the t-sql code? My question is what is cleanes and most effiecient and professional way of creating DAL for webapplication in asp.net? Thanks

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• Visual C++ application/libarary size anomoly

  - by Tim Ring

  This is just a bit of a general question regading app/lib file sizes. When I build a particular library in my C++ solution I notice that the .lib file size is larger in the release build than in the debug (1.2mb Vs 800k). However when I build an app in the same solution, using the aforementioned library, the release .exe is always smaller (as I'd expect) than thew debug .exe (50k vs 200k). I would always have expected the release verisons of anything to be smaller than the debug versions. What gives?

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