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  • Watir question regarding selecting a hidden dropdown.

    - by AJ
    Hi, I have two dropdowns, the second dropdown does not show until a choice is made from the first one. Using watir, i can select the first dropdown, and when i watch it, the second one becomes active, but it cannot select it. i just tried the regular select_list using name and id. Here is the code for the second drop down. <td> <input type="hidden" value="1" name="list" id="list"> <script type="text/JavaScript" language="JavaScript"></script> <select> <option value="">1</option> <option value="2">2</option> <option value="3">3</option> </select> </td> I've also notice the value for the hidden field change as i select different options. Thanks for any help

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  • Passing an empty IEnumerable argument to a method

    - by avance70
    I have this method (simplified): void DoSomething(IEnumerable<int> numbers); And I invoke it like this: DoSomething(condition==true?results:new List<int>()); The variable results is formed with a LINQ select condition (IEnumerable). I was wondering is this List<int>() the best way (the fastest?) to pass an empty collection, or is new int[0] better? Or, something else would be faster, a Collection, etc.? In my example null wouldn't be ok.

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  • How much time should it take to find the sum of all prime numbers less than 2 million?

    - by Shahensha
    I was trying to solve this Project Euler Question. I implemented the sieve of euler as a helper class in java. It works pretty well for the small numbers. But when I input 2 million as the limit it doesn't return the answer. I use Netbeans IDE. I waited for a lot many hours once, but it still didn't print the answer. When I stopped running the code, it gave the following result Java Result: 2147483647 BUILD SUCCESSFUL (total time: 2,097 minutes 43 seconds) This answer is incorrect. Even after waiting for so much time, this isn't correct. While the same code returns correct answers for smaller limits. Sieve of euler has a very simple algo given at the botton of this page. My implementation is this: package support; import java.util.ArrayList; import java.util.List; /** * * @author admin */ public class SieveOfEuler { int upperLimit; List<Integer> primeNumbers; public SieveOfEuler(int upperLimit){ this.upperLimit = upperLimit; primeNumbers = new ArrayList<Integer>(); for(int i = 2 ; i <= upperLimit ; i++) primeNumbers.add(i); generatePrimes(); } private void generatePrimes(){ int currentPrimeIndex = 0; int currentPrime = 2; while(currentPrime <= Math.sqrt(upperLimit)){ ArrayList<Integer> toBeRemoved = new ArrayList<Integer>(); for(int i = currentPrimeIndex ; i < primeNumbers.size() ; i++){ int multiplier = primeNumbers.get(i); toBeRemoved.add(currentPrime * multiplier); } for(Integer i : toBeRemoved){ primeNumbers.remove(i); } currentPrimeIndex++; currentPrime = primeNumbers.get(currentPrimeIndex); } } public List getPrimes(){ return primeNumbers; } public void displayPrimes(){ for(double i : primeNumbers) System.out.println(i); } } I am perplexed! My questions is 1) Why is it taking so much time? Is there something wrong in what I am doing? Please suggest ways for improving my coding style, if you find something wrong.

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  • C# memory / allocation cleanup

    - by Number8
    Some near-code to try to illustrate the question, when are objects marked as available to be garbage-collected -- class ToyBox { public List<Toy> Toys = new List<Toy>(); } class Factory { public ToyBox GetToys() { ToyBox tb = new ToyBox(); tb.Toys.Add(new Toy()); tb.Toys.Add(new Toy()); return tb; } } main() { ToyBox tb = Factory.GetToys(); // After tb is used, does all the memory get cleaned up when tb goes out of scope? } Factory.GetToys() allocates memory. When is that memory cleaned up? I assume that when Factoy.GetToys() returns the ToyBox object, the only reference to the ToyBox object is the one in main(), so when that reference goes out of scope, the Toy objects and the ToyBox object are marked for garbage collection. Is that right? Thanks for any insights...

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  • How to get JSON objects value if it's name contains dots?

    - by manakor
    I have a very simple JSON array (please focus on "points.bean.pointsBase" object): var mydata = {"list": [ {"points.bean.pointsBase": [ {"time": 2000, "caption":"caption text", duration: 5000}, {"time": 6000, "caption":"caption text", duration: 3000} ] } ] }; // Usually we make smth like this to get the value: var smth = mydata.list[0].points.bean.pointsBase[0].time; alert(smth); // should display 2000 But, unfortunately, it does display nothing. When I change "points.bean.pointsBase" to smth without dots in it's name - everything works! However, I can't change this name to anything else without dots, but I need to get a value?! Is there any options to get it?

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  • Can you detect a 301 redirect with Microsoft.XMLHTTP object?

    - by dmb
    I'm using VBScript and the Microsoft.XMLHTTP object to scrape some web data. I have a list of URLs to check, but unfortunately some of them 301 redirect to others on the list, so I wind up with redundant data. Is it at all possible to make the XMLHTTP object fail on 301 redirect? Or at least cache the original response header? Or otherwise just let me know what happened? (notes: I have no control over the server I'm requesting data from; when I get new data, I could check if it's redundant, but I'd like to avoid that if possible). Any ideas would be greatly appreciated.

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  • Is there anything like memcached, but for sorted lists?

    - by depesz
    I have a situation where I could really benefit from having system like memcached, but with the ability to store (per each key) sorted list of elements, and modifying the list by addition of values. For example: something.add_to_sorted_list( 'topics_list_sorted_by_title', 1234, 'some_title') something.add_to_sorted_list( 'topics_list_sorted_by_title', 5436, 'zzz') something.add_to_sorted_list( 'topics_list_sorted_by_title', 5623, 'aaa') Which I then could use like this: something.get_list_size( 'topics_list_sorted_by_title' ) // returns 3 something.get_list_elements( 'topics_list_sorted_by_title', 1, 10 ) // returns: 5623, 1234, 5436 Required system would allow me to easily get items count in every array, and fetch any number of values from the array, with the assumption that the values are sorted using attached value. I hope that the description is clear. And the question is relatively simple: is there any such system?

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  • How to change ScrollView's position after touch?

    - by Matt
    I'm trying to make a ScrollView with a list of numbers in it that the user can select from. After the user touches and scrolls, after the finger is lifted I want the scroll to "snap" to the item in the middle of the ScrollView and give me the output. My ScrollView contains a vertical linear layout with TextView objects in it. The ScrollView's vertical size is about 60sp. I think this would involve the ScrollView.onTouch with a ACTION_UP, but I don't know how to use it. Also, is there a way to get an item's index or value based on a position in the list? Thanks!

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  • .NET Web Service Proxy is adding special characters in XML

    - by xkingpin
    My web service proxy seems to be adding special characters like "*" and "#" etc. within the xml nodes. My proxy created lists using arrays of objects. I am trying to create a generic list and then doing list.ToArray() to set the proxy MyProxyObject[] object. Is this the cause of the problem I am having? I plan on running fiddler on the request later but it is over SSL and I do not have access to the URL at the moment. Here is an example of the XML that is generated: <soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> * <soap:Body> o I'm a little concerned because the special characters are even occuring before the array nodes

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  • Re-ordering collection C#

    - by Adam
    Hi - I have a problem which I cant seem to find answer to through searches (either that or I am searching for the completely wrong thing!). I have a list of items called "Top 10" in a sortedlist item that is populated from my DB (SortedList where int is position and string is item). I want to be able to move items up & down the list order at the click of a button and then save the new order back to the DB. I am OK with the DB part it is just the re-ordering I am really struggling with - is a sortedlist the correct collection for this? Many thanks for any advice offered.

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  • Autocomplete for generic types in Eclipse

    - by AvrDragon
    "Refer to objects by their interfaces" is a good practise, as mentioned in Effective Java. So for example i prefer List<String> al = new ArrayList<String>(); over ArrayList<String> al = new ArrayList<String>(); in my code. One annoying thing is that if i type ArrayList<String> al = new and then hit Ctrl+Space in Eclipse i get ArrayList<String>() as propostal. But if i type List al = new and then hit Ctrl+Space i will get only propostal to define anonymous inner class, but not propostals such as new ArrayList<String>(), what is 99% the case, or for example new Vector<String>(). Is there any way to get the subclasses as propostals for generic types?

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  • OpenSocial and its usages

    - by Paul Knopf
    I have looked for some explanation on the exact usages for the set of standards known as OpenSocial. I need some clarification if I can use OpenSocial like the following. I would like to create one library used to community with an OpenSocial api for use in my website that will not 'behave' like an application described by common sites like facebook and myspace. I'm not making a myspace of facebook application, I'm creating my own website and I want users to be able to find friends. I would like to allow users to store usernames and passwords for various OpenSocial-supported social networks. I would also like to use the api to sync events from my web site to their specified social network. I would also like to allow my users to view a list of friends and invite them. Is it possible to create one library that supports OpenSocial and simple "point" to and social network that supports it to get a list of friends and etc?

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  • How to make a div expand vertically to wrap the content within it?

    - by MalcomTucker
    I have a div which wraps a number of images that are generated dynamically. I don't know how high the list of images is. My problem is the div that contains the dynamically generated images doesn't behave like it is housing any content - I want it to extend to the height of the list of images. Each image is itself wrapped in a div. This is the wrapper div: .block { padding:10px; margin-top:10px; height:auto; background-color:#f9f9f9; } This is the markup dynamically generated for (one of) the images: <div class="block"> <div style="float: left; padding: 2px 2px 2px 2px;"><IMG SRC="45.jpg" BORDER="0"/></div> ..... How do I get the block div to extend down with the images? Thanks

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  • Export Failed Element Log(s) after deliver?

    - by cogmios
    When a deliver has been performed I can rightlick an entry in the GUI version/element log and it displays me a popup with the element log. Quite handy. I now have a delivery with about 25 failed ones and a couple of hundred OK's. Sadly I can not sort on the column "status" so I have to make screenshots wherever I find a [!] to sit together with the specific team to find out if it is really ok to not deliver those. It would however be handy to have this list of element logs from a deliver so that I do not have to make screenshots or copy the contents of the popup box one by one but just have a list of the failed ones with the element log. Is there a way to export the element logs from a deliver (so the the ones that show up when you rightclick and choose "Display Element Log") and/or only the ones that gave failures?

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  • ant: iterator over properties file

    - by scheibenkleister
    Hi, all my projects and their versions are defined in a properties file like this: ProjectNameA=0.0.1 ProjectNameB=1.4.2 I'd like to iterate over all projects and use there names and versions in an ant script. Right now, I read the entire properties file in help of the property task. Then I iterate over a given list in a for loop like this: <for list="ProjectNameA,ProjectNameB" param="project"> <sequential> <echo message="@{project} has version ${@{project}}" /> </sequential> </for> How can I avoid the duplication of the project names in the for loop. So basically iterate over each line and extract the name and the version of a project. Thanks.

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  • Rails Load Data into Application every time a New User is Created

    - by looloobs
    Hi I am trying to figure out the "right" way to do this. In my application every time I create a new user I want to have specific data loaded into an associated table. The associated table is a different preset lists. So a User has many lists and those lists have many items. Some of those Items I want to be loaded when the User is created. I really don't know how to go about doing this but I am guessing something like: create User after_create: create Lists (need already existing data for the list names) after_create List then populate Items table with existing data for these Lists. Should I be using seed data for this? Is that alright for production and if so how exactly would I go about doing that. Any guidance or other recommendations are greatly appreciated.

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  • Eclipse call hierarchy skips calls in undefined #ifdef regions

    - by stupakov
    Hi all, The "call hierarchy" and "declaration" features in Eclipse CDT omit results that exist in undefined (greyed out) #ifdef regions. Example: void blah(void) { #ifndef ABC foo(); #else //line is greyed out bar(); //line is greyed out #endif //line is greyed out } The call hierarchy for foo() will list blah() as a caller; the call hierarchy for bar() will not list blah(). I'm not expecting it to do full resolution of which #define blocks will get compiled, I simply would like it to return all calls/declarations of the function I'm searching for, regardless of the #define blocks that surround it. Other IDEs such as SlickEdit are able to do this. Does anyone know of a way to get Eclipse to adopt this behavior? Thanks.

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  • SSIS - SharePoint to SQL without Adapter Addin?

    - by Mark
    Hey all, Im looking to Extract a SharePoint List (WSS 2.0) to a SQL(2005) Table using SQL Server Integrated Services. First off I am aware of the "adapter" that does this from http://msdn.microsoft.com/en-us/library/dd365137.aspx however I'm just wondering for compatibility purposes if it can't just be done "out of the box". There are only a limited number of "Data Flow Sources" to select as alternatives and I am unsure if any of these would be able to work in a similar way either directly to SharePoint or via SharePoints web services (e.g. http://server_name/_vti_bin/Lists.asmx) From the list of these sources it looks like the best option would be the OLE DB connector, but not sure how it would do this. Any help you have would be great, Mark

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  • Jquery UI autocomplete header

    - by Kanaka
    I have a jQuery UI autocomplete (with custom styling) where I added an header. You can see it at work here: http://jsfiddle.net/fbonomi/wJWGV/ the header is added like this: function cComboboxOpen( event) { var s='.... header .....'; $("ul.ui-autocomplete[style*='block']").prepend(s); } it works, and it keeps the column-like form I need (the real data will also be in columns) BUT, I would like to have the header NOT scrolling away when you have a long, scrollable list (e.g if you type "a" in the list) I have seen another very similar question here: jQuery UI Autocomplete with fixed header But it hasn't been answered, and in its current form it does not work properly (the header is "fixed" even when one scrolls the page, for example) How can I avoid the header to scroll away?

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  • Creating an IF statement for datagrid value

    - by EvanRyan
    This is something I thought would be easier than it's turning out to be. For whatever reason, I can't seem to figure out a way to make what I'm trying to do here work with an If statement: List<int> miscTimes = new List<int>(); for (int i = 0; i < MISCdataGridView1.RowCount; i++) { if (MISCdataGridView1.Rows[i].Cells[2].Value == "Something") { miscTimes.Add(Convert.ToInt32(MISCdataGridView1.Rows[i].Cells[3].Value)); } } return miscTimes; For some reason, I can't get it to like anything I do with the if statement. I've tried converting to string and all of that. How should I go about this?

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  • How can I determine img width/height of dynamically loaded images in IE?

    - by Jens
    My markup is a simple div element with id 'load'. Using jQuery I then load a list of image elements into this div: $('#load').load('images.html', { }, function() { $(this).onImagesLoad({ selectorCallback: function() { ....do something.... } }); }); where images.html is a list like this: <img src='1.jpg' caption='img 1'> <img src='2.jpg' caption='img 2'> ... To ensure that all images are loaded completely, I use the onImagesLoad plugin. This, so far, works just fine on all browsers. However, on IE8 (and I assume other versions of IE also) when I then iterate over the img elements, I am unable to determine the width/height of the images loaded. The image.context.naturalWidth and naturalHeight attributes don't seem to work. How do I get a hold of the images' dimension? Thanks heaps :)

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  • How to setup a WPF datatemplate in code for a treeview?

    - by Joan Venge
    struct Drink { public string Name { get; private set; } public int Popularity { get; private set; } public Drink ( string name, int popularity ) : this ( ) { this.Name = name; this.Popularity = popularity; } } List<Drink> coldDrinks = new List<Drink> ( ){ new Drink ( "Water", 1 ), new Drink ( "Fanta", 2 ), new Drink ( "Sprite", 3 ), new Drink ( "Coke", 4 ), new Drink ( "Milk", 5 ) }; } } So that I can see the Name property for treeview item names.

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  • Asp.Net MVC Handle Drop Down Boxes that are not part of the Model

    - by Pino
    I have a small form which the user must fill in and consists of the following fields. Name (Text) Value (Text) Group (Group - Is a list of option pulled from a database table) Now the Model for this View looks like so, public string Name { get; set; } public string Value { get; set; } public int GroupID { get; set; } Now the view is Strongly Typed to the above model. What method would one use to populate the drop down list? Since the data is not contained within the Model (It could be contained in the Model) should we be using Temp/View data? A HTML Helper? What would be the ideal way to achieve this.

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  • Select *, max(date) works in phpMyAdmin but not in my code

    - by kdobrev
    OK, my statement executes well in phpMyAdmin, but not how I expect it in my php page. This is my statement: SELECT egid , group_name , limit , MAX( date ) FROM employee_groups GROUP BY egid ORDER BY egid DESC ; This is may table: CREATE TABLE employee_groups ( egid int(10) unsigned NOT NULL, date date NOT NULL, group_name varchar(50) NOT NULL, limit smallint(5) unsigned NOT NULL, PRIMARY KEY (egid,date) ) ENGINE=MyISAM DEFAULT CHARSET=cp1251; I want to extract the most recent list of groups, e.g. if a group has been changed I want to have only the last change. And I need it as a list (all groups).

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