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• Working with the Grails g:timeZoneSelect tag?

  - by tinny

  I am wanting to use the g:timeZoneSelect tag within my application, problem is im finding the resulting html select to be quite overwhelming. Over 600 options are being displayed, IMHO this is to much to display to the user. Maybe someone could point me to an example of a much more manageable list of timezones? Maybe you have seen a site that does timezone selection well? Im sure over 600 option is "technically" correct, but this will just look like noise to the user. The display value of the timezone is to long. E.g. "CST, Central Standard Time (South Australia/New South Wales) 9.5:30.0" Just "CST, Central Standard Time" or "Australia/Broken_Hill" would be better Is there a way to address these issues via tag attributes of some sort (cant find any in the docs) or config that I am unaware of? Or, is my best bet to wrap an html select within a custom tag lib and "roll my own" solution (Id prefer not to). Thanks

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• Linear Recurrence for very large n

  - by Android Decoded

  I was trying to solve this problem on SPOJ (http://www.spoj.pl/problems/REC/) F(n) = a*F(n-1) + b where we have to find F(n) Mod (m) where 0 <= a, b, n <= 10^100 1 <= M <= 100000 I am trying to solve it with BigInteger in JAVA but if I run a loop from 0 to n its getting TLE. How could I solve this problem? Can anyone give some hint? Don't post the solution. I want hint on how to solve it efficiently.

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• limit Google maps of countries in the autocomplete list to "INDIA, USA and UK"

  - by Manoj Thakur

  This code is not working. Please tell me the exact solution <script src="maps.googleapis.com/maps/api/…; type="text/javascript"></script> <script type="text/javascript"> function initialize() { var input = document.getElementById('searchTextField'); /* restrict to multiple cities? */ var options = { types: ['(cities)'], componentRestrictions: {country: ["usa", "uk"]} }; var autocomplete = new google.maps.places.Autocomplete(input, options); } google.maps.event.addDomListener(window, 'load', initialize); </script>

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• Conceptual question about NSAutoreleasePools

  - by ryyst

  In my Cocoa program, wouldn't a really simple way of dealing with autoreleased objects be to just create a timer object inside the app delegate that calls the following method e.g. every 10 seconds: if (pool) { // Release & drain the current pool to free the memory. [pool release]; } // Create a new pool. pool = [[NSAutoreleasePool alloc] init]; The only problems I can imagine are: 1) If the above code runs in a separate thread, an object might get autoreleased between the release call to the old pool and the creation of the new pool - that seems highly unlikely though. 2) It's obviously not that efficient, because the pool might get released if there's nothing in it. Likewise, in the 10 second gap, many many objects might be autoreleased, causing the pool to grow a lot. Still, the above solution seems pretty suitable to small and simple projects. Why doesn't anybody use it? What's the best practice of using NSAutoreleasePools?

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• Leave approval hierarchy in openERP

  - by Miraj Baldha

  I am new to openERP and facing issues with HR module. I have this structure Project Manager-Team Leader-Developer Team Leader is a manager of developer Project Manager is manager of Team Leader. So, if developer asks for leave then first leave request should be sent to Team Leader (mail notification to Team Leader and Project Manager) and once TL approves Leave then automaitically request sent to Project Manager for second level approval. With openERP 6.1, there is no possibility to approve leave by Team Leader unless and until Team Leader is specified as a HR manager which is inappropriate. Anybody have any solution then let me know. Thanx..

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• How to ask database server for current datetime using entity framework?

  - by Levelbit

  I don't want for my current ModifeidDateTime to be machine time already server time. Every time I want to update or add a person to my datebase on SQL Server 2008 I want to fill ModifiedDateTime filed. It's not like I can change update query as with data adapter command when I work with dataset and to define for my ModifiedDateTime filed to be =GetDate(). I created stored function to retutn me a value of GetDate() method, but I have a problem to import procedure which returns values as int, string ... or no value at all, already just entity values as Person for example in my case. Why is that? Anyway, It would be of great help if you can provide me any solution that works to retrieve DateTime value from server.

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• Websphere exception handling

  - by Benjamin

  Hi all, From a security standpoint, what is the best solution to handle application errors with Websphere? I've been thinking of creating a class that is called every time an application error is generated, log the error and display a generic error message to the users. In PHP this can be achieved using the set_exception_handler() function. Is there something similar for websphere that could be configured in the web.xml? I've found codes like this on the internet: <error-page> <error-code>500</error-code> <location>/servlet/ExceptionHandlerServlet</location> </error-page> But that would only work with "500" HTTP error codes. I really want something generic that catches everything. Something like a class that implements a certain interface which can have access to all information about the error. Thanks for your time.

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• Python or matplotlib limitation error

  - by Werner

  Hi, I wrote an algorithm using python and matplotlib that generates histograms from some text input data. When the number of data input is approx. greater than 15000, I get in the (append) line of my code: mydata = [] for i in range(len(data)): mydata.append(string.atof(data[i])) the error: Traceback (most recent call last): File "get_histogram_picture.py", line 25, in <module> mydata.append(string.atof(data[i])) File "/usr/lib/python2.6/string.py", line 388, in atof return _float(s) ValueError: invalid literal for float(): -a can it be an error in python ? What is the solution ? Thanks

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• Can I create support multiple database transactions on a single connection?

  - by draezal

  I have created a HyperSQL Database. I was just wondering whether I could run multiple transactions on a single connection. I didn't want to spawn a new connection for each transaction due to the overhead associated with this. Looking at some similar questions the suggestion appeared to be to create a pool of database connections and then block waiting for one to become available. This is a workable, but not desirable solution. Background Info (if this is relevant to the answer). My application will create a new thread when some request comes in. This request will require a database transaction. Then some not insignificant time later this transaction will be committed. Any advice appreciated :)

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• Running junit tests in parallel ?

  - by krosenvold

  I'm using junit 4.4 and maven and I have a large number of long-running integration tests. When it comes to parallellizing test suites there are a few solutions that allow me to run each test method in a single test-class in parallel. But all of these require that I change the tests in one way or another. I really think it would be a much cleaner solution to run X different test classes in X threads in parallel. I have hundreds of tests so I don't really care about threading individual test-classes. Is there any way to do this ?

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• implmenting 1 to n mapping for ORM c++

  - by karan

  I am writing a project where i need to implment a stripped down version of an ORM solution in c++. I am struck in implmenting 1-n relationships for the same. For instance, if following are the classes: class A { } class B { std::list _a_list; } I have provided load/save menthods for loading/saving to the db. Now, if i take the case of B : Say , for the following workflow : 1 entry from _a_list is removed 1 entry from _a_list is modified 1 entry is added to _a_list Now, i need to update the db using something like "b.save()". So, what would be the best way to save the changes,i.e, identify the additions, deletions and updations to _a_list.

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• Finding Errant Output to System.out in Large Java Program

  - by SvrGuy

  Hi, We have a large java code base [~1 M Lines]. Buried (somewhere) in the code base is some old debug output to System.out that we want to remove (its cluttering things up). The problem is: out code base is so large that we can't easily find where the output is coming from. What we want is a way to see where System.out.println is getting called from (like a stack trace from an exception or some such). Its not suitable to debugging -- the errant output is coming from some errant thread somewhere etc. Any ideas on how to track the source of this errant output down? PS: 99.99% of calls to System.out are legit, and we have thousands of them, so simply searching the code base for System.out calls is not a solution!

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• Trigger to update data in another DB

  - by Permana

  I have the following schema: Database: test. Table: per_login_user, Field: username (PK), password Database: wavinet. Table: login_user, Field: username (PK), password What I want to do is to create a trigger. Whenever a password field on table per_login_user in database test get updated, the same value will be copied to field password in Table login_wavinet in database wavinet I have search trough Google and find this solution: http://forums.devshed.com/ms-sql-development-95/use-trigger-to-update-data-in-another-db-149985.html But, when I run this query: CREATE TRIGGER trgPasswordUpdater ON dbo.per_login_user FOR UPDATE AS UPDATE wavinet.dbo.login_user SET password = I.password FROM inserted I INNER JOIN deleted D ON I.username = D.username WHERE wavinet.dbo.login_wavinet.password = D.password the query return error message: Msg 107, Level 16, State 3, Procedure trgPasswordUpdater, Line 4 The column prefix 'wavinet.dbo.login_wavinet' does not match with a table name or alias name used in the query.

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• Creating managed file transfer software in java

  - by Shekhar

  Hello, I have been asked to do some POC on how we can provide a software solution which will be able to manage files. Manage files means it will be able to move files from source to destination servers. The client gave us 4 page document detailing what sort of software they are looking for. They dont want to use existing commercial softwares. They want to build their own customizable software. Has anybody worked on this type of project? Please provide your inputs on how should i approach this project. The software should be platform independent and should be built in java.

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• Jquery Basic Beginner Question: How do i make my function reusable?

  - by obikodi

  I have spent the last few hours attempting to do this on my own, and using Google to find a solution but to no avail. So if you can help out i would super appreciate it! Basically I have a page which has 3 separate biographies in 'preview mode', which shows only the first paragraph of each bio. When you click on 'read more' for one bio it opens up the 'full mode'. What is happening at the moment, is if i click on one 'read more' link, it opens up the full mode on all 3 bio's. How do i edit the following code so; It only opens the full mode bio of the link i click on Make it reusable so i don't have to duplicate the code 3 times for each bio $("a#btnReadMore").click(function(){ $('.readMoreSlider').slideToggle("fast"); $(this).toggleClass("readMoreSliderActive"); return false; }); Thanks for your help!

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• How to string multiple TextReaders together?

  - by Ken

  I have 3 TextReaders -- a combination of StreamReaders and StringReaders. Conceptually, the concatenation of them is a single text document. I want to call a method (not under my control) that takes a single TextReader. Is there any built-in or easy way to make a concatenating TextReader from multiple TextReaders? (I could write my own TextReader subclass, but it looks like a fair amount of work. In that case, I'd just write them all out to a temp file and then open it with a single StreamReader.) Is there an easy solution to this that I'm missing?

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• JSF 2.0 Problem (faces-config)

  - by Sarang

  Hello everybody, We have faces-config.xml in JSF 1.0 where we entry about managed-beans, dependencies & navigations etc. I was developing a sample project using JSF 2.0. But, as I don't know annotation, I need to include face-config.xml externally. Please, provide the solution for it, as in JSF 2.0 we don't need to include it. What is reason behind it ? How do we set a bean as managed-bean. What is annotation ? How is it used ? Thanking you.

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• Create pdf file dynamically in vb.net for .net 1.1 framework

  - by Urbycoz

  I need to create a pdf file dynamically in vb.net. It needs to contain several images and lines of text. I am using VS 2003, so whatever solution I use will need to be compatible with the .net 1.1 framework. The current method I am using is wpcubed, but this requires that all images be converted to bmp format before adding them to the pdf, which can be extremely slow when dealing with a large number of images. I am aware that there are an awful lot of other 3rd party products that claim to do this, and I have had a search through them. But without registering, downloading, installing and writing code to use each of them in turn, it is very difficult to differentiate between them. So far I have looked into evo pdf and pdfsharp but neither seem to work with .net 1.1. (Although they don't make this abundantly clear.) Has anyone else found a method that works and they would recommend (a free one-if possible)?

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• Adding meeting action points in MediaWiki and viewing them in another page

  - by Mark Robinson

  In the minutes of a meeting we want to be able to place action points in the text. Then we want easily to be able to print a list of action points, e.g. via another page. So the minutes will be: blah blah blah #AP1 ... blah blah blah #AP2... blah And then we want a list like this: #AP1 #AP2 How would we do this? Is there e.g. a solution with templates or an extension?

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• Win32: BitTest, BitTestAndComplement, ... <- How to disable this junk?

  - by Mordachai

  WinNT.h has the following lines in it, in the VS2008 SP1 install: #define BitTest _bittest #define BitTestAndComplement _bittestandcomplement #define BitTestAndSet _bittestandset #define BitTestAndReset _bittestandreset #define InterlockedBitTestAndSet _interlockedbittestandset #define InterlockedBitTestAndReset _interlockedbittestandreset I have a number of templates that are based on BitTest<() Does anyone know of a simple way to disable these #defines? Oftentimes MS does provide a #define XXX symbol which, if defined, will disable some offending portion of their header - e.g. NOMINMAX. I have been unable to find such a solution to the above problem. If you share frustration with Microsoft's many dubious choices, the read on. If not, stop here. ;) Editorializing: Why couldn't Microsoft just use the _bittest itself??? Or why couldn't they use BITTEST like every knows you should - always use all-caps for macros! Microsoft is still #defining things in 2010?! WTF?

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• Convert Null Value to String - C#.NET

  - by peace

  foreach (PropertyInfo PropertyItem in this.GetType().GetProperties()) { PropertyItem.SetValue(this, objDataTable.Rows[0][PropertyItem.Name.ToString()], null); } In one of the loops i get this exceptional error: Object of type 'System.DBNull' cannot be converted to type 'System.String'. The error occurs because one of the fields in the database has no value (null), so the string property could not handle it. How can i convert this null to string? I got this solution If you know a shorter or better one, feel free to post it. I'm trying to avoid checking on every loop is current value is null or not.

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• htaccess, remove text from url

  - by Keiron Lowe

  Here is the email from the client explaining what he is trying to do, we have spent hours trying to sort out this problem but cannot find a solution that works. I am trying to correct a problem with my blog and google “not found” URLs. I thought it might be very simple to correct (!ha!) This is my line of code; RewriteCond %{THE_REQUEST} ^www.uk-domestic-cleaning.com/wpblog/tag/?(.*)/HomeMaid%20Domestic%20Cleaning$ RewriteRule ^wpblog\/tag\/?(.*)\/HomeMaid%20Domestic%20Cleaning$ "http\:\/\/www\.uk\-domestic\-cleaning\.com\/wpblog\/tag\/$1" [R=301,L] What I am trying to do is any request to */wplog/tag/ “anything here”/HomeMaid Domestic Cleaning To strip the “HomeMaid Domestic Cleaning” bit off the end, but leave the rest of the request intact, which will then be a valid request. Any idea's guys?

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• Database design - alternatives for Entity Attribute Value (AEV)

  - by Bob

  Hi, see http://stackoverflow.com/questions/695752/product-table-many-kinds-of-product-each-product-has-many-parameters for similar topic. My question: i want to design a database, that will be used for a production facility of different types of products where each product has its own (number of) parameters. because i want the serial numbers to be in one tabel for overview purposes i have a problem with these different paraeters . One solution could be AEV, but it has its downsides, certainly because we have +- 5 products with every product +- 20.000 serial numbers (records). it looks a bit overkill to me... I just don't know how one could design a database so that you have an attribute in a mastertable that says: 'hey, you could find details of this record in THAT detail-table". 'in a way that you qould easely query the results) currenty i am using Visual Basic & Acces 2007. but i'm going to Visual Basic & MySQL. thanks for your help. Bob

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• The Elegant way to handle Cyclic Event in Java ??

  - by dex

  Hi fellows, i think this not a specific problem to me; everybody might have encountered this issue before. To properly illustrate it, here's a simple UI: As you can see, those two spinners are controlling a single variable -- "A". The only difference is that they control it using different views. If i change the top spinner, "A" will be changed and the bottom spinner's value will also be updated accordingly. However, updating the bottom spinner's call (such as setValue) will also trigger another event instructing the top spinner to update based on the bottom spinner's value. Thus creates a bad cycle which can eventually cause a StackOverFlow exception. My previously solution is kinda cumbersome: i placed a guarding boolean to indicate whether the 2nd updating call should be performed. Now i'd like to ask "how can i handle such situation elegantly?" thx

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• Passing parameters to a delphi TFrame

  - by ajob

  To avoid singletons and global variables I'd like to be able to pass parameters to a TFrame component. However since a TFrame normally is included on form at design time it is only possible to use the default constructor. The parent form can of course set some properties in the OnCreate callback after the TFrame has been created. However this does not ensure that a property is not forgotten, and the dependencies are not as clear as using a constructor. A nice way would be if it was possible to register a factory for creating components while the dfm file is being read. Then the required parameters could be passed to the TFrame constructor when created by the factory. Is there a way of accomplishing this? Or does anyone have a better solution on how to pass parameters to a TFrame?

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