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  • How to fill dataset when sql is returning more than one table

    - by Shantanu Gupta
    How to fill multiple tables in a dataset. I m using a query that returns me four tables. At the frontend I am trying to fill all the four resultant table into dataset. Here is my Query. Query is not complete. But it is just a refrence for my Ques Select * from tblxyz compute sum(col1) suppose this query returns more than one table, I want to fill all the tables into my dataset I am filling result like this con.open(); adp.fill(dset); con.close(); Now when i checks this dataset. It shows me that it has four tables but only first table data is being displayed into it. rest 3 dont even have schema also. What i need to do to get desired output

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  • Django, making a page activate for a fixed time

    - by Hellnar
    Greetings I am hacking Django and trying to test something such as: Like woot.com , I want to sell "an item per day", so only one item will be available for that day (say the default www.mysite.com will be redirected to that item), Assume my urls for calling these items will be such: www.mysite.com/item/<number> my model for item: class Item(models.Model): item_name = models.CharField(max_length=30) price = models.FloatField() content = models.TextField() #keeps all the html content start_time = models.DateTimeField() end_time = models.DateTimeField() And my view for rendering this: def results(request, item_id): item = get_object_or_404(Item, pk=item_id) now = datetime.now() if item.start_time > now: #render and return some "not started yet" error templete elif item.end_time < now: #render and return some "item selling ended" error templete else: # render the real templete for selling this item What would be the efficient and clever model & templete for achieving this ?

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  • missing value true / false: error in loop not in one-off

    - by vincent hay
    I am new on R and I have a problem with a test in a loop that I want to code. With a data frame (tabetest) like the one here after: Date 25179M103 1 14977 77.7309 2 14978 77.2567 3 14979 77.7507 I have: if(tabetest[3,"Date"]-tabetest[1,"Date"]1){print("ok")} [1] "ok" But: j=1 > position = 1 > price=tabetest for (i in 1:nrow(tabetest)-position){if(tabetest[i+position,"Date"]-tabetest[position,"Date"]>20){price[i+position,j]=price[i+position,j]/price[position,j]-1};position=position+1} Returns an error. R says that there is a missing value where true/false is required in: if (tabetest[i + position, "Date"] - tabetest[position, "Date"] > I have spent quite some time on that error but still don't understand where it comes from. Thanks for your help, Vincent

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  • Joda-Time: Period to string

    - by tt
    I'm using the Joda-Time library with Java. I'm having some difficulty trying to turn a Period object to a string in the format of "x days, x hours, x minutes". These Period objects are first created by adding an amount of seconds to them (they are serialized to XML as seconds and then recreated from them). If I simply use the getHours() etc. methods in them, all I get is zero and the total amount of seconds with getSeconds. How can I make Joda calculate the seconds into the respective fields, like days, hours, etc...?

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  • Interpolation of time series data in R

    - by Pierreten
    I'm not sure what i'm missing here, but i'm basically trying to compute interpolated values for a time series; when I directly plot the series, constraining the interpolation points with "interpolation.date.vector", the plot is correct: plot(date.vector,fact.vector,ylab='Quantity') lines(spline(date.vector,fact.vector,xout=interpolation.date.vector)) When I compute the interpolation, store it in an intermediate variable, and then plot the results; I get a radically incorrect result: intepolated.values <- spline(date.vector,fact.vector,xout=interpolation.date.vector) plot(intepolated.values$x,intepolated.values$y) lines(testinterp$x,testinterp$y) Doesn't the lines() function have to execute the spline() function to retrieve the interpolated points in the same way i'm doing it?

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  • calling a function or communicating from one browser window to another using Jquery / javascript

    - by Shanon
    Hello, I am designing a web site that plays music. The music player itself will be in a separate window along with the now playing list. I want to be able to refresh the now playing list when a new song is added to it from the main window. Essentially I need to figure out how to communicate between the two windows. I was only able to find one plugin on line that defines the player page as a child of the main page but then this reference would be lost after the parent page i.e my main page was refreshed. So this was not very useful to me and I'm kinda lost atm. Any help is greatly appreciated PS: here is the link to that plugin (http://www.sfpeter.com/2008/03/13/communication-between-browser-windows-with-jquery-my-new-plugin/)

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  • Looking for Light Time Management Software Suggestions (for Mac)

    - by tmo256
    I'm looking for a simple project management app that performs task scheduling, along the line of Merlin or MS Project, but no where near as robustly. I don't need to deal with other (human) resources, but I work on anything from 3 to 6 different projects at a time. What I'd like is to be able to input deadlines and tasks, and have a schedule suggested to complete them. I do technical work, but I don't think I need anything specifically for software development, especially considering I do plenty of other kinds of things, like graphic design and social media PR. I'd really like this to be dead simple, as simple as possible. Suggestions? OmniPlan, something web-based? Definitely cannot afford anything too extravagant, really looking for something under $200. Thanks for your input!

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  • How do I set an array in one class with another array in another class

    - by Stef
    I've populated and array with data like this in one class... PowerClass.h NSMutableArray pickerArray; @property (nonatomic, retain) NSMutableArray pickerArray; - PowerClass.m @synthesize pickerArray; @implementation NSMutableArray *array = [[NSArray alloc] initWithObjects:@"stef", @"steve", @"baddamans", @"jonny", nil]; pickerArray = [NSMutableArray arrayWithArray:array]; And I'm trying to set the Array in another class WeekClass.h PowerClass *powerClass; NSMutableArray *pickerData; @property (nonatomic, retain) NSMutableArray pickerData; @property (nonatomic, retain) PowerClass *powerClass; WeekClass.m @implementation pickerData = [NSMutableArray arrayWithArray:powerClass.pickerArray]; I have no errors or warnings. It just crashes. The NSLog says that the powerClass.pickerArray is NULL. Please help point me in the right direction.

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  • Managing execution priorities and request expiry time in your web application

    - by Dan
    Some installations that run our applications can be under hefty stress on a busy day. Our clients ask us is there is a way to manage priorities in our application. For example, in a typical internet banking application, banks are interested in having the form “Transfer money” responsive, while the “Statement” page is a lot less critical. Not being able to transfer money is a direct loss for the bank, while not being able to produce a statement or something similar can be fixed with an apology. AFAIK, neither can you manage different request or session timeouts in a typical web application, it is one value for the whole of your web app. Managing message priority and expiry time is a typical feature in many middleware platforms. Something like this can be useful for a web front end as well. Do any of web servers (either java or .net) or web frameworks provide these features? How would you go about implementing it if you’d have to go for roll-your-own?

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  • Turn off LogEnabled Filter at run time - Logging Enterprise Application Block

    - by Or A
    Hi, so the story go like this: i'm using the Logging Enterprise Application block that provided by microsoft to log events in our application. The goal is to enabled event viewer logging at loading and then turn it off. What i did is to add EventLog TraceListener which write all our logs into the event viewer. What i'm trying to do is to disable it after the application was done loading. The only way that i can thing about is to add a LogEnabled Filter and then turn it off. However, i don't know how to access this filter at run time and disable log on this listener. if you have an idea, please share. Thanks

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  • Facebook Javascript SDK: First time logging in

    - by Brandon
    I'm currently integrating Facebook with my website using the Javascript SDK. I've got the login portion working well. The only thing I'm trying to figure out is if there is a way to tell if it was the first time the user logged into my website using their Facebook credientials. I tried subscribing to auth.login, but that didn't seem to have any information about that. Is there a flag anywhere that lets me know this? Or another way to go about looking this up? I realize I could do some server side code, but I'd prefer to stay away from that if possible. Thanks in advance, Brandon

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  • Animating resizing and moving UIView at the same time

    - by chouchou
    I'd like to "Stretch" a UIView to the right side, meaning increase it's frame.size.width by foo pixels and at the same time decreasing it's frame.origin.x by foo pixels, using [UIView beginAnimations] syntax. However, if I do that, when the animation begins the view immediately resizes, and then starts the animation for the origin. CGRect currFrame = someView.frame; currFrame.size.width += 100; currFrame.origin.x -= 100; [UIView beginAnimations:@"Anim1" context:nil]; someView.frame = currFrame; [UIView setAnimationDuration:0.7]; [UIView commitAnimations]; I've also tried breaking the animation down to 2 parts but then I can't keep the right position in place. Any help is much appreciated!

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  • sql server 2008 express one row write problem

    - by bojanskr
    Hi everyone, I have the most bizarre problem(at least it is bizarre to me) with MSSQL Server Express 2008. The problem is the following: On the development machine I use MS SQL Server 2008 Enterprise....I get some data from a WCF service and write that data to the db (simple as it can be)....I should point out however that the writing, it is done in a separate thread. BUt, anyway no problems during development...all the data is there. Then I set everything up(connection strings .\SQLEXPRESS, other settings) build in Release and copy that to a test machine that has MS SQL Server Express installed(because my application is a client application and it should work with Express)...I run the program....the program retrieves the data from the service...and when I look at the database...I'm in for a big suprise...there's only one row written(the first row received from the WCF service). I would really appreciate any help...I'm in a deadlock here. Thanks in advance. Bojan

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  • Google SpreadSheets - When using a time trigger in code, some cells getting '#N/A' value

    - by Robi
    I've created a Google spreadsheet with imported data on one cell, extracting specific string to another cell and pasting the data in a table with a trigger for every 2 hours. Now everything works perfectly when running the script manually but when logged out and waiting for the cells to fill, sometimes the pasted cell getting "#N/A" value. Here is the code I'm using: function PasteV(){ var ss = SpreadsheetApp.getActiveSpreadsheet(); var sheet = ss.getSheets()[0]; var timestamp= sheet.getRange("D1").getValue(); var sale= sheet.getRange("G1").getValue(); var rent= sheet.getRange("J1").getValue(); sheet.appendRow([timestamp, rent, sale]); } Again when running manually countless times - no problem. I'll appreciate your help. Thanks.

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  • ajax request rely on the previous one

    - by Lynn
    I want to do something like this: $.ajax({ url: SOMEWHERE, ... success: function(data){ // do sth... var new_url = data.url; $.ajax({ url: new_url, success: function(data){ var another_url = data.url; // ajax call rely on the result of previous one $.ajax({ // do sth }) } }) }, fail: function(){ // do sth... // ajax call too $.ajax({ // config }) } }) the code looks like shit. I wonder how to make it looks pretty. Some best practice?

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  • How to add the time stamp to the log file

    - by swati
    ello Everyone, I am new to using apache logger . I have downloaded the log4j-xx and i have the following text configuration file Set root logger level to DEBUG and its only appender to mainFormat. log4j.rootLogger = TRACE, mainFormat, FILE mainFormat is set to be a ConsoleAppender. log4j.appender.mainFormat=org.apache.log4j.ConsoleAppender mainFormat uses PatternLayout. log4j.appender.mainFormat.layout=org.apache.log4j.PatternLayout log4j.appender.mainFormat.layout.ConversionPattern=%d [%t] %-5p %c - %m%n File makes a file of the output. log4j.appender.FILE=org.apache.log4j.FileAppender log4j.appender.FILE.File=log4j_HAPR001_OutputFile.log log4j.appender.FILE.layout=org.apache.log4j.PatternLayout log4j.appender.FILE.layout.ConversionPattern=%d [%t] %-5p %c - %m%n i use the above config file to create the log file. Now i wanted to add the current time stamp to the log file. Is there any way to do this. If yes can some one please give me the instructions how to do. Thanks in advance.

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  • Casting a non-generic type to a generic one

    - by John Sheehan
    I've got this class: class Foo { public string Name { get; set; } } And this class class Foo<T> : Foo { public T Data { get; set; } } Here's what I want to do: public Foo<T> GetSome() { Foo foo = GetFoo(); Foo<T> foot = (Foo<T>)foo; foot.Data = GetData<T>(); return foot; } What's the easiest way to convert Foo to Foo<T>? I can't cast directly InvalidCastException) and I don't want to copy each property manually (in my actual use case, there's more than one property) if I don't have to. Is a user-defined type conversion the way to go?

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  • One table, need multiple values from different rows/tuples

    - by WmasterJ
    I have tables like: 'profile_values' userID | fid | value -------+---------+------- 1 | 3 | [email protected] 1 | 45 | 203-234-2345 3 | 3 | [email protected] 1 | 45 | 123-456-7890 And: 'users' userID | name -------+------- 1 | joe 2 | jane 3 | jake I want to join them and have one row with two of the values like: 'profile_values' userID | name | email | phone -------+-------+----------------+-------------- 1 | joe | [email protected] | 203-234-2345 2 | jane | [email protected] | 123-456-7890 I have solved it but it feels clumsy and I want to know if there is a better way to do it. Meaning solutions that are either more readable or faster(optimized) or simply best-practice. Current solution: multiple tables selected, many conditional statements: SELECT u.userID AS memberid, u.name AS first_name, pv1.value AS fname, pv2.value as lname FROM users AS u, profile_values AS pv1, profile_values AS pv2, WHERE u.userID = pv1.userID AND pv1.fid = 3 AND u.userID = pv2.userID AND pv2.fid = 45; Thanks for the help!

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  • How to get the playing file total time duration Media player

    - by Geetha
    Hi All, I use media player control to play mp3 files in asp.net application. I want to find When the playing process gets end and the total time require to finish the file using javascript. Code: <object id="mediaPlayer" classid="clsid:22D6F312-B0F6-11D0-94AB-0080C74C7E95" codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701" height="1" standby="Loading Microsoft Windows Media Player components..." type="application/x-oleobject" width="1"> <param name="fileName" value="" /> <param name="animationatStart" value="true" /> <param name="transparentatStart" value="true" /> <param name="autoStart" value="true" /> <param name="showControls" value="true" /> <param name="volume" value="100" /> <param name="loop" value="true" /> </object> Geetha.

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  • Joining Multiple Projects in one solution

    - by PCAddict
    I have started creating a game, and I added a second project, it's the standard XNA Windows game 3.1 project, and since the other project already had a Main to start the program and the 2nd is for game data, where as the first was for the drawing and graphical side of things (menu's etc) I thought I would remove the Main method, and now all I get are Errors saying there isn't a Valid main method, I tried to make it dependant on the other (since this data is loaded at run time and is such as quests/items etc) but it still wont let me run the solution at all. the code for the main method is still in the 1st project, and if I delete the 2nd project it runs fine, although no game data so I only get menus... Thank you in advance for any assistance.

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  • One project in Delphi 2007 doesn't show procedure name in the IDE Obj Inspector's Events

    - by lgallion
    I have a Delphi project in 2007 that doesn't show the procedure names in the Object Inspector's Events such as Form OnClose, OnCreate or OnShow in the IDE. The code is there and if you click on OnCreate (for example) you are taken to the code and the IDE fills in the name of procedure. However on reload, the procedures are missing from the IDE again. This same project causes various error messages when Delphi closes also, but I am not sure if this is related (no other project developed under this Delphi does but this one is the largest app and uses several 3rd party add-in libraries). I have moved this app to various Delphi 2007 installations and it reacts the same, so it isn't a corrupt Delphi situation. Is there any way to rebuild or fix a corrupt project like this? Any help would be appreciated.

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  • When Drag a object from one div to another , format gets changed

    - by Anuj
    When a object is dragged and dropped from one div to another, the format in li gets changes to text only. I want it in the same format i.e 'li' after droping it. $(function() { $( "#catalog ul" ).sortable({ zIndex: 10000, revert: true }); $( "#catalog" ).accordion(); $( "#catalog ul" ).draggable({ appendTo: "body", helper: "clone", zIndex: 10000 }); $( "#dialogIteration ol" ).droppable({ activeClass: "ui-state-default", hoverClass: "ui-state-hover", drop: function( event, ui ) { $( this ).find( ".placeholder" ).remove(); $( "<li></li>" ).text( ui.draggable.text() ).appendTo( this ); } }).sortable({ items: "li:not(.placeholder)", sort: function() { // gets added unintentionally by droppable interacting with sortable // using connectWithSortable fixes this, but doesn't allow you to customize active/hoverClass options $( this ).removeClass( "ui-state-default" ); } }); $( "ul, li" ).disableSelection(); $("#dialogIteration").dialog(); }); Demo: http://jsfiddle.net/coolanuj/7683X/7/

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  • A regular expression that will allow a string with only one Capital Letter

    - by Phoenix
    The string should be 6 - 20 characters in length. And it should contain 1 Capital letter. I can do this in code using C# string st = "SomeString" Regex rg = new Regex("[A-Z]"); MatchCollection mc = rg.Matches(st); Console.WriteLine("Total Capital Letters: " + mc.Count); if (mc.Count > 1) { return false; } But what i really want is a Regular expression that will match my string if it only contains one capital. The string can start with a common letter and should have only letters. Thanks In advance. (I did look at some of the other RegEx questions but they did not help).

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  • Ubuntu One Folder Sync Filter

    - by Andy Barlow
    Hi, I am trying to modify the Ubuntu One File syncing python scripts to not including things like .iso's. I have got as far as finding this file: /usr/share/pyshared/ubuntuone/u1sync/constants.py Inside is this piece of code: import re # the name of the directory u1sync uses to keep metadata about a mirror METADATA_DIR_NAME = u".ubuntuone-sync" # filenames to ignore SPECIAL_FILE_RE = re.compile(".*\\.(" "(u1)?partial|part|" "(u1)?conflict(\\.[0-9]+)?)$") How can I edit this last section (regex?) and make it ignore .iso files??? I'm fairly sure this is the place to put it! Pretty sure this is standard python action :) Any help would be appreciated. Thanks kindly. Andy

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  • Approaches for generic, compile-time safe lazy-load methods

    - by Aaronaught
    Suppose I have created a wrapper class like the following: public class Foo : IFoo { private readonly IFoo innerFoo; public Foo(IFoo innerFoo) { this.innerFoo = innerFoo; } public int? Bar { get; set; } public int? Baz { get; set; } } The idea here is that the innerFoo might wrap data-access methods or something similarly expensive, and I only want its GetBar and GetBaz methods to be invoked once. So I want to create another wrapper around it, which will save the values obtained on the first run. It's simple enough to do this, of course: int IFoo.GetBar() { if ((Bar == null) && (innerFoo != null)) Bar = innerFoo.GetBar(); return Bar ?? 0; } int IFoo.GetBaz() { if ((Baz == null) && (innerFoo != null)) Baz = innerFoo.GetBaz(); return Baz ?? 0; } But it gets pretty repetitive if I'm doing this with 10 different properties and 30 different wrappers. So I figured, hey, let's make this generic: T LazyLoad<T>(ref T prop, Func<IFoo, T> loader) { if ((prop == null) && (innerFoo != null)) prop = loader(innerFoo); return prop; } Which almost gets me where I want, but not quite, because you can't ref an auto-property (or any property at all). In other words, I can't write this: int IFoo.GetBar() { return LazyLoad(ref Bar, f => f.GetBar()); // <--- Won't compile } Instead, I'd have to change Bar to have an explicit backing field and write explicit getters and setters. Which is fine, except for the fact that I end up writing even more redundant code than I was writing in the first place. Then I considered the possibility of using expression trees: T LazyLoad<T>(Expression<Func<T>> propExpr, Func<IFoo, T> loader) { var memberExpression = propExpr.Body as MemberExpression; if (memberExpression != null) { // Use Reflection to inspect/set the property } } This plays nice with refactoring - it'll work great if I do this: return LazyLoad(f => f.Bar, f => f.GetBar()); But it's not actually safe, because someone less clever (i.e. myself in 3 days from now when I inevitably forget how this is implemented internally) could decide to write this instead: return LazyLoad(f => 3, f => f.GetBar()); Which is either going to crash or result in unexpected/undefined behaviour, depending on how defensively I write the LazyLoad method. So I don't really like this approach either, because it leads to the possibility of runtime errors which would have been prevented in the first attempt. It also relies on Reflection, which feels a little dirty here, even though this code is admittedly not performance-sensitive. Now I could also decide to go all-out and use DynamicProxy to do method interception and not have to write any code, and in fact I already do this in some applications. But this code is residing in a core library which many other assemblies depend on, and it seems horribly wrong to be introducing this kind of complexity at such a low level. Separating the interceptor-based implementation from the IFoo interface by putting it into its own assembly doesn't really help; the fact is that this very class is still going to be used all over the place, must be used, so this isn't one of those problems that could be trivially solved with a little DI magic. The last option I've already thought of would be to have a method like: T LazyLoad<T>(Func<T> getter, Action<T> setter, Func<IFoo, T> loader) { ... } This option is very "meh" as well - it avoids Reflection but is still error-prone, and it doesn't really reduce the repetition that much. It's almost as bad as having to write explicit getters and setters for each property. Maybe I'm just being incredibly nit-picky, but this application is still in its early stages, and it's going to grow substantially over time, and I really want to keep the code squeaky-clean. Bottom line: I'm at an impasse, looking for other ideas. Question: Is there any way to clean up the lazy-loading code at the top, such that the implementation will: Guarantee compile-time safety, like the ref version; Actually reduce the amount of code repetition, like the Expression version; and Not take on any significant additional dependencies? In other words, is there a way to do this just using regular C# language features and possibly a few small helper classes? Or am I just going to have to accept that there's a trade-off here and strike one of the above requirements from the list?

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