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  • ActionScript Binding Array Data?

    - by TheDarkIn1978
    i would like to update the numbers i've added to an array from variables, when those variables change. is it possible change these variables and have the array update automatically? var first:Number = 1; var second:Number = 2; var myArray:Array = new Array(first, second); first = 3; second = 4; trace(myArray) //outputs 1,2

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  • Looking for an example of selecting a row(s) with multiple columns from a grid view and add them to

    Here is the situation dealing with a vb.net website, I have students who will be enrolled into a course. The student grid view has many columns like client_no, student_name, date_of_birth, address, etc. There are over 100000 students so I will need to filter the student grid view to find the correct student to enroll in the course. Once they are found, the user selects them and somehow moves them to the enrolled grid view. If a student drops out then they would be removed from the enrolled grid view. This process needs to be easy to understand and use. Are there any examples available or other suggestions on how to do this?

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  • What is the best way to sync multiple client SqlServers to one MS SqlServer 2005?

    - by user605055
    I have several client databases that use my windows application. I want to send this data for online web site. The client databases and server database structure is different because we need to add client ID column to some tables in server data base. I use this way to sync databases; use another application and use C# bulk copy with transaction to sync databases. My server database sql server is too busy and parallel task cannot be run. I work on this solution: I use triggers after update, delete, insert to save changes in one table and create sql query to send a web service to sync data. But I must send all data first! Huge data set (bigger than 16mg) I think can't use replication because the structure and primary keys are different.

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  • [Ruby on Rails] how to add a new entry with a multiple has_many association?

    - by siulamvictor
    I am not sure am I doing these correct. I have 3 models, Account, User, and Event. Account contains a group of Users. Each User have its own username and password for login, but they can access the same Account data under the same Account. Events is create by a User, which other Users in the same Account can also read or edit it. I created the following migrations and models. User migration class CreateUsers < ActiveRecord::Migration def self.up create_table :users do |t| t.integer :account_id t.string :username t.string :password t.timestamps end end def self.down drop_table :users end end Account migration class CreateAccounts < ActiveRecord::Migration def self.up create_table :accounts do |t| t.string :name t.timestamps end end def self.down drop_table :accounts end end Event migration class CreateEvents < ActiveRecord::Migration def self.up create_table :events do |t| t.integer :account_id t.integer :user_id t.string :name t.string :location t.timestamps end end def self.down drop_table :events end end Account model class Account < ActiveRecord::Base has_many :users has_many :events end User model class User < ActiveRecord::Base belongs_to :account end Event model class Event < ActiveRecord::Base belongs_to :account belongs_to :user end so.... Is this setting correct? Every time when a user create a new account, the system will ask for the user information, e.g. username and password. How can I add them into correct tables? How can I add a new event? I am sorry for such a long question. I am not very understand the rails way in handling such data structure. Thank you guys for answering me. :)

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  • prolog. recursive function returning multiple values.

    - by obtur
    I am new in Prolog. I need to declare a function which looks at a list like [[1, 0, 0], [1, 0, 0], [1, 0, 0]] and if the value is 0 returns its address(by considering it as a double array). I wrote a function basicly in the format: function(..., X) :- function(called by other values). How can I write a function, that returns a value when each times it called(recursively). May I get them (in above question) as alternative X's???

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  • Can you have multiple interpolators on a single view when using ViewPropertyAnimator?

    - by steven
    For example, I would like to animate a view such that it moves down in the y direction while decelerating, and at the same time it undergoes an alpha change linearly. The code would look something like this: myView.animate().translationY(100).setDuration(1000).setInterpolator(new DecelerateInterpolator()); myView.animate().alpha(1).setDuration(1000).setInterpolator(new LinearInterpolator()); This does not work of course because the LinearInterpolator overwrites the DecelerateInterpolator. Is there a way to have one interpolator for the translation part of the animation and a different interpolator for the alpha part? I am aware that this can be accomplished using ObjectAnimator or an AnimationSet, but my question is about whether it can be done using the much cleaner ViewPropertyAnimator.

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  • Can you execute multiple statements in with a If statement?

    - by Jack Null
    This is my function: (defun MyFunction(input) (let ((NEWNUM (find input num))) (if (find input num) //if this (setq num NEWNUM) (FUNCT2) //then execute both of these (list 'not found)))) //else output this So after the if statment I want to be able to execute (setq num NEWNUM) and (FUNCT2). One to set a new variable and then the other to call a function. Any ideas on how to do this?

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  • How to draw multiple line text to uiimageview iphone?

    - by Hu?nh Phong
    I have UITextView for text, after user press DONE, I convert text to UIImageView and show it. It works with one line of text very good, and Screenshot 1 . But if user types two lines, or more: the result is still one line??? Screenshot 2 I want to display two or more lines in UIimageView Can anybody help me! Thank you very much! Here is my code: -(UIImage *)convertTextToImage : (ObjectText *) objT; { UIGraphicsBeginImageContext(CGSizeMake(([objT.content sizeWithFont:objT.font].width+10), ([objT.content sizeWithFont:objT.font].height+10))); [[objT getcolor] set]; [objT.content drawAtPoint:CGPointMake(5, 5) withFont:objT.font]; UIImage *result = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); return result; }

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  • how to get latet entry of a item when item have multiple rows?

    - by I Like PHP
    i have an table tbl_exp id| exp_id|qnty| last_update 1 | 12 | 10|2010-05-18 19:34:29 2 | 13 | 50|2010-05-19 19:34:29 3 | 12 | 50|2010-05-19 19:34:29 4 | 15 | 50|2010-05-18 19:34:29 5 | 18 | 50|2010-05-20 19:34:29 6 | 13 | 70|2010-05-20 19:34:29 now i need only latest entry of each exp_id id| exp_id|qnty| last_update 3 | 12 | 50|2010-05-19 19:34:29 6 | 13 | 70|2010-05-20 19:34:29 4 | 15 | 50|2010-05-18 19:34:29 5 | 18 | 50|2010-05-20 19:34:29 please suggest me the mysql query to retrive above result?? thanks!

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  • What is the best way to deal with address inputs that can be from multiple countries?

    - by Andrew.S
    Most of my websites in the past have been rather limited to the United States when it came to displaying addresses. On a project I'm working on right now, however, users can add events from all over the world. My problem is how to go about dealing with the different way in which addresses are displayed across the world. For example, City/State/Zip is just a US thing. I was figuring I would alter the inputs displayed based on the country selected but I have no idea how I'm supposed to know the way every single country does addresses. Ideas?

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  • BlackBerry - Multiple Screens or Single Screen with Content Manager?

    - by Max Gontar
    Hi! I've seen projects which use many screens each one for different layout and functionality. I've seen projects with only one screen (like wizard workflow) where content is changed on user interaction (and this seems to be logical to use single screen in wizards). But also I've seen projects (apps like game or messenger or phone settings utility) which use single screen for different functionalities. I can see such advantages of having single screen in app: keep same decoration design and menu or toolbar (which may be also achieved with inheritance) keep single screen in ui stack (which may be achieved by pop/push screen) easy to handle data over application Can you tell other advantages/disadvantages of single screen app? When its better to use this approach? Thank you!

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  • scala coalesces multiple function call parameters into a Tuple -- can this be disabled?

    - by landon9720
    This is a troublesome violation of type safety in my project, so I'm looking for a way to disable it. It seems that if a function takes an AnyRef (or a java.lang.Object), you can call the function with any combination of parameters, and Scala will coalesce the parameters into a Tuple object and invoke the function. In my case the function isn't expecting a Tuple, and fails at runtime. I would expect this situation to be caught at compile time. object WhyTuple { def main(args: Array[String]): Unit = { fooIt("foo", "bar") } def fooIt(o: AnyRef) { println(o.toString) } } Output: (foo,bar)

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  • Is it possible to have file filters for multiple extension types?

    - by Jon Cage
    I'm using a standard Windows FileDialog to allow the user to select some files. I'd like to filter out only the file types I'm interested in though (lets call them *.a and *.b). Is there any way to do this without using *.*? I've tried the following but it fails to match any files at all: this->openFileDialog1->DefaultExt = L"*.a,*.b"; this->openFileDialog1->FileName = L"openFileDialog1"; this->openFileDialog1->Filter = L"My Data Files (*.a,*.b)|*.a,*.b";

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  • How do you get and set a class property across multiple functions in Objective-C?

    - by editor
    Following up on this question about sharing objects between classes, I now need to figure out how to share the objects across various functions in a class. First, the setup: In my App Delegate I load menu information from JSON into a NSMutableDictionary and message that through to a view controller using a function called initWithData. I need to use this dictionary to populate a new Table View, which has methods like numberOfRowsInSection and cellForRowAtIndexPath. I'd like to use the dictionary count to return numberOfRowsInSection and info in the dictionary to populate each cell. Unfortunately, my code never gets beyond the init stage and the dictionary is empty so numberOfRowsInSection always returns zero. I thought I could create a class property, synthesize it and then set it. But it doesn't seem to want to retain the property's value. What am I doing wrong here? In the header .h: @interface FirstViewController:UIViewController <UITableViewDataSource, UITableViewDelegate, UITabBarControllerDelegate> { NSMutableDictionary *sectorDictionary; NSInteger sectorCount; } @property (nonatomic, retain) NSMutableDictionary *sectorDictionary; - (id)initWithData:(NSMutableDictionary*)data; @end in the implementation .m: - (id) testFunction:(NSMutableDictionary*)dictionary { NSLog(@"Count #1: %d", [dictionary count]); return nil; } - (id)initWithData:(NSMutableDictionary *)data { if (!(self=[super init])) { return nil; } [self testFunction:data]; // this is where I'd like to set a retained property self.sectorDictionary = data; return nil; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { NSLog(@"Count #2: %d", [self.sectorDictionary count]); return [self.sectorDictionary count]; } Output from NSLog: 2010-05-04 23:00:06.255 JSONApp[15890:207] Count #1: 9 2010-05-04 23:00:06.259 JSONApp[15890:207] Count #2: 0

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  • How to pass multiple params to function in python?

    - by user1322731
    I am implementing 8bit adder in python. Here is the adder function definition: def add8(a0,a1,a2,a3,a4,a5,a6,a7,b0,b1,b2,b3,b4,b5,b6,b7,c0): All function parameters are boolean. I have implemented function that converts int into binary: def intTObin8(num): bits = [False]*8 i = 7 while num >= 1: if num % 2 == 1: bits[i] = True else: bits[i] = False i = i - 1 num /= 2 print bits return [bits[x] for x in range(0,8)] I want this function to return 8 bits. And to use this two functions as follows: add8(intTObin8(1),intTObin8(1),0) So the question is: How to pass 8 parameters using one function?

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  • What data (if any) persists across web-requests in Ruby on Rails?

    - by Daniel Beardsley
    I decided to use the singleton design pattern while creating a view helper class. This got me thinking; will the singleton instance survive across requests? This led to another question, Which variables (if any) survive across web requests and does that change depending on deployment? (Fastcgi, Mongrel, Passenger, ...) I know that Controller instance variables aren't persisted. I know Constants are persisted (or reloaded?). But I don't know about class variables, instance variables on a class, Eigenclasses, ...

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  • How can I define multiple types with the same name and different type parameters using Reflection Em

    - by wawa
    How can I generate types like these using the System.Reflection.Emit libraries: public class Test<T> {} public class Test<T1, T2> {} When I call ModuleBuilder.DefineType(string) with the second type declaration, I get an exception because there is already another type in the module with the same name (I've already defined the type parameter on the first type). Any ideas?

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  • How to get the src for a video with multiple sources?

    - by Sam Dutton
    I'd like to be able to get the src value that is actually used for a video element like the following: <video> <source src="foo.mp4" type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"'> <source src="foo.webm" type='video/webm; codecs="vp8, vorbis"'> <source src="foo.ogv" type='video/ogg; codecs="theora, vorbis"'> </video> In Firefox (at least), src is defined for the source elements but not for the video element. How can I find which source is used?

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