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  • Will this Java regex return a single result or multiple

    - by Blankman
    If my HTML is: <tr><td>....</td><hr></tr> <tr><td>....</td><hr></tr> <tr><td>....</td><hr></tr> <tr><td>....</td><hr></tr> <tr><td>....</td><hr></tr> <tr><td>....</td><hr></tr> If my regex is: Patterp p = Pattern.compile("<tr>(.*)<hr></tr>"); Should this get 1 result or all the individual rows? Is there a way to force it to get all the rows and not just the entire html from the top <tr> to the last instance of <hr></tr> ?

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  • java source code doubt

    - by abson
    this compiles class ex1 { public int show() { try { int a=10/10; return 10;} catch(ArithmeticException e) { System.out.println(e); } finally { System.out.println("Finally");} System.out.println("hello"); return 20; } } on the other hand this doesn't class ex15 { public int show() { try { int a=10/0; return 10;} catch(ArithmeticException e) { System.out.println(e); } finally { System.out.println("Finally"); return 40;} System.out.println("hello"); return 20; } } why is it so?

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  • .NET - downloading multiple pages from a website with a single DNS query

    - by lampak
    I'm using HttpRequest to download several pages from a website (in a loop). Simplifying it looks like this: HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create( "http://sub.domain.com/something/" + someString ); HttpWebResponse resp = (HttpWebResponse)req.GetResponse(); //do something I'm not quite sure actually but every request seems to resolve the address again (I don't know how to test if I'm right). I would like to boost it a little and resolve the address once and then reuse it for all requests. I can't work out how to force HttpRequest into using it, though. I have tried using Dns.GetHostAddresses, converting the result to a string and passing it as the address to HttpWebRequest.Create. Unfortunately, server returns error 404 then. I managed to google that's probably because the "Host" header of the http query doesn't match what the server expects. Is there a simple way to solve this?

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  • smallest filesize for transparent single pixel image

    - by zaf
    I'm looking for the smallest (in terms of filesize) transparent 1 pixel image. Currently I have a gif of 49 bytes which seems to be the most popular. But I remember many years ago having one which was less than 40 bytes. Could have been 32 bytes. Can anyone do better? Graphics format is no concern as long as modern web browsers can display it and respect the transparency.

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  • Saving multiple objects in a single call in rails

    - by CaptnCraig
    I have a method in rails that is doing something like this: a = Foo.new("bar") a.save b = Foo.new("baz") b.save ... x = Foo.new("123", :parent_id => a.id) x.save ... z = Foo.new("zxy", :parent_id => b.id) z.save The problem is this takes longer and longer the more entities I add. I suspect this is because it has to hit the database for every record. Since they are nested, I know I can't save the children before the parents are saved, but I would like to save all of the parents at once, and then all of the children. It would be nice to do something like: a = Foo.new("bar") b = Foo.new("baz") ... saveall(a,b,...) x = Foo.new("123", :parent_id => a.id) ... z = Foo.new("zxy", :parent_id => b.id) saveall(x,...,z) That would do it all in only two database hits. Is there an easy way to do this in rails, or am I stuck doing it one at a time?

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  • Optimal UI For Single Zip Code Entry on iPhone

    - by sylvanaar
    I need to prompt the user to enter his/her zip code at certain times in my iPhone application. I cannot store it or get it from the user's current location. What is the optimal input method? I started with a 5 wheel picker. This seemed like a bad direction, so I opted for a PIN-like entry screen. My implepentation is about the same as the 'enter passcode' screen you see when unlocking the iphone - including automatically ending input on the 5th digit instead of providing a return/enter button. Does this seem optimal? Or is there a better way? Note: I only need to accept a 5 digit US zip code.

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  • TSQL: finding unique entries in a single table

    - by pcampbell
    Consider a table or CTE structured like this: Name Num ---- ---- Abc 12 Abc 12 XYZ 70 XYZ 80 Bar 50 Bar 55 Foo 44 Foo 44 Baz 88 The requirement is to determine the Name where multiple different Nums exist. The desired resultset is Name ---- XYZ Bar What TSQL statement would you use to derive this resultset?

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  • Row Source - combo box, filtering what pops up in a combo box by date

    - by primus285
    so I have a combo box that I want to pop up when somebody wants to search by year. It will allow them to see in that combo box only results that happened in a certain year. so far I have something like SELECT DISTINCT Database_New.ASEC FROM Database_New WHERE (((Database_New.Date) >= DateValue('01/01/2001') AND (((Database_New.Date) <= DateValue('12/031/2001'))); or SELECT DISTINCT Database_New.ASEC FROM Database_New WHERE (((Database_New.Date) >= BETWEEN DateValue('01/01/2001') AND DateValue('12/31/2001’))); as you can see, the kicker is that I am already sorting the thing with SELECT DISTINCT under the ASEC field. But I want to filter it one more by year so a whole bunch of ASEC values that didnt happen in that year (and there are quite a few that happen rarely, or would onyl be associeted with one year) do not pop up as avalible. so far I get an error like "Syntax error in query expression '(((Database_New.Date) = DateValue('01/01/2001') AND (((Database_New.Date) <= DateValue('12/031/2001')))' and I am a VBA person, not quite as good at debuggin SQL. Is it something easy? or will it simply not work the way I have it set up.

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  • WCF: Using multiple bindings for a single service.

    - by Lijo
    Hi, I have a WCF service (in 3.0) which is running fine with wsHttpBinding. I want to add netTcpBinding binding also to the same service. But the challenge that I am facing is in adding behaviorConfiguration. How should I modify the following code to enable the service for both the bindings? Please help… <service name="Lijo.Samples.WeatherService" behaviorConfiguration="WeatherServiceBehavior"> <host> <baseAddresses> <add baseAddress="http://localhost:8000/ServiceModelSamples/FreeServiceWorld"/> <add baseAddress="net.tcp://localhost:8052/ServiceModelSamples/FreeServiceWorld"/> <!-- added new baseaddress for TCP--> </baseAddresses> </host> <endpoint address="" binding="wsHttpBinding" contract="Lijo.Samples.IWeather" /> <endpoint address="" binding="netTcpBinding" contract="Lijo.Samples.IWeather" /> <!-- added new end point--> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" /> </service> </services> <behaviors> <serviceBehaviors> <behavior name="WeatherServiceBehavior"> <serviceMetadata httpGetEnabled="true"/> <serviceDebug includeExceptionDetailInFaults="False"/> </behavior> </serviceBehaviors> </behaviors> Please see the following to see further details http://stackoverflow.com/questions/2887588/wcf-using-windows-service Thanks Lijo

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  • Recursive FTP directory listing in shell/bash with a single session (using cURL or ftp)

    - by Timo
    I am writing a little shellscript that needs to go through all folders and files on an ftp server (recursively). So far everything works fine using cURL - but it's pretty slow, becuase cURL starts a new session for every command. So for 500 directories, cURL preforms 500 logins. Does anybody know, whether I can stay logged in using cURL (this would be my favourite solution) or how I can use ftp with only one session in a shell script? I know how to execute a set of ftp commands and retrieve the response, but for the recursive listing, it has to be a little more dynamic... Thanks for your help!

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  • SVN Source control issues when merging changes

    - by HollyStyles
    I have seen where changes have been made on one code file by two developers code like this: x++ End up like this: x++ x++ where due to carriage returns being inserted/removed (I think) one line has become silently merged as two lines of the same code (no conflicts) Everything compiles but suddenly tests are failing and weird behaviour ensues. Should this be possible? How do I guard against it?

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  • Difference in amplitude from the same source using FFT

    - by Anders
    Hi, I have a question regarding use of FFT. Using function getBand(int i) with Minim i can extract the amplitude of a specific frequency and do pretty maps of it. Works great. However, this is a more of a curiosity question. When i look at the values extracted from playing the same song two twice using the same frequency (so the amplitude should be identical) but i get very different values - why is this? 0.0,0.0,0.0,0.0,0.0,0.08706585,0.23708777,0.83046436,0.74603105,0.30447206 0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.08706585,0.4790409,0.9608221,0.83046436,0.74603105

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  • Multiple many-to-many JOINs in a single mysql query without Cartesian Product

    - by VWD
    At the moment I can get the results I need with two seperate SELECT statements SELECT COUNT(rl.refBiblioID) FROM biblioList bl LEFT JOIN refList rl ON bl.biblioID = rl.biblioID GROUP BY bl.biblioID SELECT GROUP_CONCAT( CONCAT_WS( ':', al.lastName, al.firstName ) ORDER BY al.authorID ) FROM biblioList bl LEFT JOIN biblio_author ba ON ba.biblioID = bl.biblioID JOIN authorList al ON al.authorID = ba.authorID GROUP BY bl.biblioID Combining them like this however SELECT GROUP_CONCAT( CONCAT_WS( ':', al.lastName, al.firstName ) ORDER BY al.authorID ), COUNT(rl.refBiblioID) FROM biblioList bl LEFT JOIN biblio_author ba ON ba.biblioID = bl.biblioID JOIN authorList al ON al.authorID = ba.authorID LEFT JOIN refList rl ON bl.biblioID = rl.biblioID GROUP BY bl.biblioID causes the author result column to have duplicate names. How can I get the desired results from one SELECT statement without using DISTINCT? With subqueries?

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  • Validating a single radio button is not working in available javascript validation script

    - by OM The Eternity
    Hi All, I have randomly generated radio button series like <input type="radio" name="creatorusers" value="1"> <input type="radio" name="creatorusers" value="1"> <input type="radio" name="creatorusers" value="1"> <input type="radio" name="creatorusers" value="1"> .....so on But I get only ONE radio button and execute the javascript validation given for it to chk whether the radio button is selected or not, then it doesnt work Ples help me out in resolving this. mycreator = -1; for (i=frm.creatorusers.length-1; i > -1; i--) { if (frm.creatorusers[i].checked) { mycreator = i; i = -1; } } if (mycreator == -1) { alert("You must select a Creator User!"); return false; }

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  • Disabling single line copy in Visual Studio

    - by erlando
    Is there anyway to disable the rather annoying feature that Visual Studio (2008 in my case) has of copying the line (with text on it) the cursor is on when CTRL-C is pressed and no selection is made? I know of the option to disable copying blank lines. But this is driving me crazy as well. ETA: I'm not looking to customize the keyboard shortcut. ETA-II: I am NOT looking for "Tools-Options-Text Editor-All Languages-Apply cut or copy to blank lines...".

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  • Finding patterns in source code

    - by trex279
    If I wanted to learn about pattern recognition in general what would be a good place to start (recommend a book)? Also, does anybody have any experience/knowledge on how to go about applying these algorithms to find abstraction patterns in programs? (repeated code, chunks of code that do the same thing, but in slightly different ways, etc.) Thanks Edit: I don't mind mathematically intensive books. In fact, that would be a good thing.

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  • Fluent Nhibernate Mapping Single class on two database tables

    - by nabeelfarid
    Hi guys, I am having problems with Mapping. I have two tables in my database as follows: Employee and EmployeeManagers Employee EmployeeId int Name nvarchar EmployeeManagers EmployeeIdFk int ManagerIdFk int So the employee can have 0 or more Managers. A manager itself is also an Employee. I have the following class to represent the Employee and Managers public class Employee { public virtual int Id { get; set; } public virtual string Name { get; set; } public virtual IList<Employee> Managers { get; protected set; } public Employee() { Managers = new List<Employee>(); } } I don't have any class to represent Manager because I think there is no need for it, as Manager itself is an Employee. I am using autoMapping and I just can't figure out how to map this class to these two tables. I am implementing IAutoMappingOverride for overriding automappings for Employee but I am not sure what to do in it. public class NodeMap : IAutoMappingOverride { public void Override(AutoMapping<Node> mapping) { //mapping.HasMany(x => x.ValidParents).Cascade.All().Table("EmployeeManager"); //mapping.HasManyToMany(x => x.ValidParents).Cascade.All().Table("EmployeeManager"); } } I also want to make sure that an employee can not be assigned the same manager twice. This is something I can verify in my application but I would like to put constraint on the EmployeeManager table (e.g. a composite key) so a same manager can not be assigned to an employee more than once. Could anyone out there help me with this please? Awaiting Nabeel

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  • Open source ASP.net webforms examples

    - by Yaaqov
    I learning ASP.net, and am looking to create a rather straightforward WebForms ASP.net application, but I have very limited examples to work with. Is there a site that has a lot of ASP.net WebForms projects that are downloadable? Books seem to focus on narrow aspects of using Webforms, like session control, or using master pages, but I'm looking for examples of how a whole app comes together. Or, better yet, is there someone willing to help a new developer out one-on-one by sharing a project or two of his? I'd appreciate any help. Thanks.

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  • Open-source generic web service to database interface?

    - by Joe Strout
    I'm looking for a thin, generic layer (probably written in PHP) that sits between a database (probably MySQL) and web service clients (which could be anything). I imagine there would be config files of some sort that tell it how to map web service requests to database queries (or other DB commands). It would also need to handle authentication and authorization, of course. I've done some googling but failed to find anything that fits the bill. Can anyone suggest something like this?

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