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• Get current value in a set of CSS classes using Jquery

  - by Thang Nguyen

  Dear all I have some class like this <div class = "student"> <div class = "name">Adam </div> <input class = "paperTaken"> </div> <div class = "student"> <div class = "name">Smith</div> <input class = "paperTaken"> </div> When I put the cusor on an input field (say, "paperTaken" in the first "student" class), I can get the corresponding value in class "name" (eg: Adam). Could you help me? Thank you in advance.

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• How does SQL Server treat statements inside stored procedures with respect to transactions?

  - by Sleepless

  Hi All! Say I have a stored procedure consisting of several seperate SELECT, INSERT, UPDATE and DELETE statements. There is no explicit BEGIN TRANS / COMMIT TRANS / ROLLBACK TRANS logic. How will SQL Server handle this stored procedure transaction-wise? Will there be an implicit connection for each statement? Or will there be one transaction for the stored procedure? Also, how could I have found this out on my own using T-SQL and / or SQL Server Management Studio? Thanks!

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• Equivalent of describeType for Flex Component EVENTS

  - by Joshua

  Using "introspection" In Flex I can say: var classInfo:XML=describeType(SomeObject); Which will list for me the Accessors, Methods And Variables. (http://livedocs.adobe.com/flex/3/html/help.html?content=usingas_8.html) But what is the equivalent to programmatically inspect all of an object's possible EVENTS? (NOT JUST the events for which event listeners have been set, but to somehow step through a list of all VALID EVENTS for which event listeners may POTENTIALLY be set -- I realize that such lists are readily available online, and that's great for cases when I know the object's type at design type, but I require some way to inspect any given displayobject programmatically at runtime, and determine what events, if any, are or may be associated with it.)

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• Crystal report - Conversion from text to decimal ?

  - by 123rmn

  I have a crystal report, which takes data from an XML template. For a particular field of report, say 'Cost' the database stored procedure send data to XSD file in decimal format , but when the crystal report displays data picking from XSD, it is rounded off. When i right click on other data fields of report, I can see 'Field:table1.columnname',. But when i click on 'Cost' field, it shows 'Text:'. To my understanding, this is a text field which is mapped to pick data from XSD and since the type is text, it gives result in text hence truncating the decimal. Please suggest how can I get decimals here. P.S: This code was created by someone else, so i have no idea on what they had set at that time. I have to fix it and i have no clue about it.

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• Retrieving Gtk::Widget's relative position: get_allocation() doesn't work

  - by a-v

  I need to retrieve the position of a Gtk::Widget relative to its parent, a Gtk::Table. Most sources (e.g. http://library.gnome.org/devel/gtk-faq/stable/x642.html) say that one needs to call Gtk::Widget::get_allocation(). However, the returned Gtk::Allocation object always contains x = -1, y = -1, width = 1, height = 1. I have to note that this happens before the Gtk::Table object is actually exposed and rendered. A call to show_all_children() or check_resize(), which I would expect to recalculate child widget geometry, doesn't help. What am I doing wrong? Thanks in advance.

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• Tool to generate a GUI (WinForms or WPF) from a class.

  - by Pat

  Say we've got a class like public class Doer { public int Timeout {get;set;} public string DoIt(string input) { string toReturn; // Do something that involves a Timeout return toReturn; } } Is there a tool that would create a Form or Control for prototyping this class? The GUI might have a NumericUpDown control with a label of "Timeout" and a GroupBox with a TextBox for "input" and a button labeled "DoIt" with an eventhandler that calls Doer.DoIt with the Text property of the input TextBox and puts the response in another TextBox.

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• Developing Qt applications in Unix systems using Qt Creator

  - by Jake Petroules

  I'm developing a Qt application in Linux using Qt Creator (2.1 RC). I've created 2 projects, and used the wizard to add the library project to the application project. However when I run it, I receive the error: /home/jakepetroules/silverlock/silverlock-build-desktop/desktop/silverlock: error while loading shared libraries: libsilverlocklib.so.1: cannot open shared object file: No such file or directory Is there some qmake variable I can set so that Qt Creator will set up the environment properly to run? It's quite annoying to have to copy all the files to another directory with a launcher script just to be able to test the build. On Windows it works perfectly - Qt Creator automatically adds the directories containing the DLLs to the PATH when it runs your application (where running it from Explorer would say DLL not found). Mac OS X is even worse, having to run install_name_tool on everything... So how can I set up my qmake files so everything works right from the run button in Qt Creator? Kind of hard to debug without this ability, too.

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• RESTful services and update operations

  - by Igor Brejc

  I know REST is meant to be resource-oriented, which roughly translates to CRUD operations on these resources using standard HTTP methods. But what I just wanted to update a part of a resource? For example, let's say I have Payment resource and I wanted to mark its status as "paid". I don't want to POST the whole Payment object through HTTP (sometimes I don't even have all the data). What would be the RESTful way of doing this? I've seen that Twitter uses the following approach for updating Twitter statuses: http://api.twitter.com/1/statuses/update.xml?status=playing with cURL and the Twitter API Is this approach in "the spirit" of REST? UPDATE: PUT - POST Some links I found in the meantime: PUT or POST: The REST of the Story PUT is not UPDATE PATCH Method for HTTP

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• MySQL Column Value Pivot

  - by manyxcxi

  I have a MySQL InnoDB table laid out like so: id (int), run_id (int), element_name (varchar), value (text), line_order, column_order `MyDB`.`MyTable` ( `id` bigint(20) NOT NULL, `run_id` int(11) NOT NULL, `element_name` varchar(255) NOT NULL, `value` text, `line_order` int(11) default NULL, `column_order` int(11) default NULL It is used to store data generated by a Java program that used to output this in CSV format, hence the line_order and column_order. Lets say I have 2 entries (according to the table description): 1,1,'ELEMENT 1','A',0,0 2,1,'ELEMENT 2','B',0,1 I want to pivot this data in a view for reporting so that it would look like more like the CSV would, where the output would look this: --------------------- |ELEMENT 1|ELEMENT 2| --------------------- | A | B | --------------------- The data coming in is extremely dynamic; it can be in any order, can be any of over 900 different elements, and the value could be anything. The Run ID ties them all together, and the line and column order basically let me know where the user wants that data to come back in order.

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• How Do I "open folder in explorer" in Netbeans PHP

  - by Hippyjim

  I'm attempting the conversion from Eclipse PDT to Netbeans PHP, and so far I'm really impressed. What would make things perfect is being able to open up a file structure in the standard windows explorer. Say I want to copy in a data file I've just tweaked in another app, or downloaded from a remote server, I have to navigate manually to the folder structure that I already have open in the IDE. It's just about the only thing from Eclipse that I miss in Netbeans. Any suggestions how I can reproduce the functionality?

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• RadCombox Client Side Input ID Server Side

  - by francisf

  Hi All, Question 1 : RadComboBox i need to find the ID of the Input element at the Server side . The telerik provides a way to find the ID of the input element() client side. But i nned to find the ID at the server side . Question 2 : I have a radcombobox to a radgrid and am attaching a client event on itemdatabound for ex discCombo.OnClientLoad = "LoaderDisc" I need to find a way to an argument to this method say an id of another control ?.How do i pass my arguments to the combobox client event ? Thanks, Francis P.

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• Applying style sheets in pyqt

  - by Jebagnanadas

  Hello all, If i apply a property to a parent widget it is automatically applied for child widgets too.. Is there any way of preventing this?? For example if i set background color as white in a dialog the button,combo boxes and scroll bars looks white as it lacks it native look(have to say it's unpleasant & ugly).. Is there any way that i can apply the stylesheets only to a parent widget not to it's children??? Experts help please..

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• Are we in a functional programming fad?

  - by TraumaPony

  I use both functional and imperative languages daily, and it's rather amusing to see the surge of adoption of functional languages from both sides of the fence. It strikes me, however, that it looks rather like a fad. Do you think that it's a fad? I know the reasons for using functional languages at times and imperative languages in others, but do you really think that this trend will continue due to the cliched "many-core" revolution that has been only "18 months from now" since 2004 (sort of like communism's Radiant Future), or do you think that it's only temporary; a fascination of the mainstream developer that will be quickly replaced by the next shiny idea, like Web 3.0 or GPGPU? Note, that I'm not trying to start a flamewar or anything (sorry if it sounds bitter), I'm just curious as to whether people will think functional or functional/imperative languages will become mainstream. Edit: By mainstream, I mean, equal number of programmers to say, Python, Java, C#, etc

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• Two models, one STI and a Validation

  - by keruilin

  Let's say I have two tables -- Products and Orders. For the sake of simplicity assume that only one product can be purchased at a time so there is no join table like order_items. So the relationship is that Product has many orders, and Order belongs to product. Therefore, product_id is a fk in the Order table. The product table is STI -- with the subclasses being A, B, C. When the user orders subclass Product C, two special validations must be checked on the Order model fields order_details and order_status. These two fields can be nil for all other Product subclasses (ie A and B). In other words, no validation needs to run for these two fields when a user purchases A and B. My question is: How do I write validations (perhaps custom?) in the Order model so that the Order model knows to only run the validations for the two fields -- order_details and order_status -- when Product subclass C is being saved to the orders table?

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• What is the best way to marshal a char array function argument?

  - by Seh Hui 'Felix' Leong

  Let say that given the following signature in LegacyLib.dll: int Login(SysInst *inst, char username[8], char password[6]); The simple way to marshal this function in C# would be: [DllImport("LegacyLib.dll", CharSet=CharSet.Ansi)] public static extern int Login(ref SysInst inst, string username, string password); The problem of doing it in a such a naive way is that the managed string we passed into the username or password parameter could be longer than the array bounds and this could potentially cause a buffer overrun in LegacyLib.dll. Is there a better way which overcomes this problem? i.e. is there any quick [MarshalAs(…)] magic that I could use to counter that?

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• Minimum & Maximum Values in Crystal Reports 2008 Column

  - by GregD

  Say I have this column returned in a command for Crystal: deposit_no 123 130 125 124 126 127 128 129 and I need to have this in the report title: Includes deposits between 123 - 130 I've tried a running formula for minimum and maximum and they aren't returning the correct values no matter how I manipulate them. I've tried evaluate for every record, on change of the deposit_no field, etc. I have no grouping on this report. Edited to add: While I preferred to handle this on the CR side of things, I changed my command to include what mson wrote below. So technically, mson had the correct answer.

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• Rails, How can I combine multiple model attributes to create a unique permalink using permalink_fu?

  - by Ranknoodle

  Can Permalink_fu combine 2 or more model attributes to create a unique permalink? Let's say I have a Business Model, this model contains :name, :address, :phone, :city, :state, :country etc. attributes. Right now I have permalink set up in this model only for :name has_permalink :name So I would get "/biz/name". However I would like to combine the Business name, city, and a incremental number if there are more than 1 location in the city for that business. For example I would like to use: "/biz/joes-coffee-shack-chicago" for the permalink or if a multple location business "/biz/starbucks-chicago-92" Is this possible with the current permalink_fu plugin or some fork of permalink_fu? Or will this require some modification to the permalink_fu plugin?

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• Language Agnositc Basic Programming Question

  - by Rachel

  This is very basic question from programming point of view but as I am in learning phase, I thought I would better ask this question rather than having an misunderstanding or narrow knowledge about the topic. So do excuse me if somehow I mess it up. Question: Let say I have class A,B,C and D now class A has some piece of code which I need to have in class B,C and D so I am extending class A in class B, class C, and class D Now how can I access the function of class A in other classes, do I need to create an object of class A and than access the function of class A or as am extending A in other classes than I can internally call the function using this parameter. If possible I would really appreciate if someone can explain this concept with code sample explaining how the logic flows.

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• Have different fallback language than the keys used in NSLocalizedString(@"Text aka. key",@"Descript

  - by Allisone

  I use everywhere NSLocalizedString(@"Text in deutsch",@"das Textfeld Text in deutsch") I have two Localizable.strings files. One for german and one for english. What I realized now is. If you have a german iPhone, you get the german text, if you have your iPhone set to english you get the english text. But if you have lets say french, then you would get the german text, too because I use german as the keys, right ? Is there a way to set english as fallback language instead of the german one used everywhere in my code ? (I have so many occurences of NSLocalizedString that it would be a pain to change the keys now everywhere (in code, in Localized.string.en and in Localized.string.de))

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• Game Key Events: Event or Method Overload?

  - by Ell

  If you were going to develop a game in say, Ruby, and you were provided with a game framework, would you rather act on key up/down events by overloading a method on the main window like so: class MyGameWindow < Framework::GameWindow def button_down(id) case id when UpArrow do_something when DownArrow do_something end end end Or have an event class with which you can make a method and assign a handle to it, like so: class MyGameWindow < Framework::GameWindow def initialize key_down.add_handler(method(:do_something)) end def do_something puts "blah blah" end end Please give your views, which do you think would be better in a game developement area, and thanks in advance, ell.

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• Of Datagridviews, databinding, and non validating cell values.

  - by Yanko Hernández Alvarez

  Lets simplify. Lets say I have this class: class T { public string Name { get; set; } public int Age { get; set; } public int height{ get; set; } ... } and I have a DataGridView's DataSource bound to a BindingList <T>, with N columns, each one bound to each property. I need to: Allow the user to enter non validating ages, heights, etc (for instance "aaa") Color the cells with non validating values (red background) Retain the non validating values displayed until the form is closed (I don't want to lose the values entered until the form is closed, so the user has the option to correct the bad cells anytime he wants BEFORE closing the form) Keep the last correct values entered for each cell with non validating values entered. When the form is closed, ditch the non validating values and keep the last correct values entered. Is there any easy way to do this?

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• A very basic auto-expanding list/array

  - by MainMa

  Hi, I have a method which returns an array of fixed type objects (let's say MyObject). The method creates a new empty Stack<MyObject>. Then, it does some work and pushes some number of MyObjects to the end of the Stack. Finally, it returns the Stack.ToArray(). It does not change already added items or their properties, nor remove them. The number of elements to add will cost performance. There is no need to sort/order the elements. Is Stack a best thing to use? Or must I switch to Collection or List to ensure better performance and/or lower memory cost?

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• Node.js mongoose: how to use the .in and .sort methods of a query?

  - by Chris

  Hi there, I'm trying to wrap my head around mongoose, but I'm having a hard time finding any kind of documentation for some of the more advanced query options, specifically the .in and .sort methods. What's the syntax for sorting, for example, a Person by age? db.model("Person").find().sort(???).all(function(people) { }); Then, let's say I want to find a Movie based on a genre, where a Movie can have many genres (in this case, an array of strings). Presumably, I'd use the .in function to accomplish that, but I'm not sure what the syntax would be. Or perhaps I don't have to use the .in method at all...? Either way, I'm lost. db.model("Movie").find().in(???).all(function(movies) { }); Anyone have any ideas? Or even better, a link to some comprehensive documentation? Thanks! Chris

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• Modify strings in Rails?

  - by Daniel O'Connor

  Hey everyone, So I'm new to Rails (teaching myself as a senior project in high school), and I'm trying to figure out how to modify these strings. Let's say someone writes the following string in a form: "you know you are a geek when" How can I automatically change it to this: "You know you are a geek when..."? I need Rails to check the case of the first letter and check for the three dots then modify the string as necessary. I've looked here, but I can't find anything that would work. Thanks a lot!

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• Handling newline character in input between Windows and Linux

  - by Fazal

  I think this is a standard problem which may have been asked before but I could not get the exact answer so posting the issue. The issue is that our server is running on a linux box. We access the server over the browser on a window box to enter data into field which is supposed to contain multiple lines which user can enter by pressing the enter key after each line Abc Def GHI When this input field (this is a text area),is read on the linux machine, we want to split the data based on new line character. I had three question on this. Does the incoming data contain "\r\n" or "\n" If incoming data does contain "\r\n", the linux line.separator property (vm property) would not work for me as it would say "\n" and therefore may leave "\r" in the data. If "\r" is left in the data, if I open the file on a windows machine, will this mean a newline character? Finally can anyone tell me the standard way to deal with this issue?

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