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  • callback execution order in jQuery getJSON

    - by lau
    I'm trying to implement a iGoogle like dashboard interface using widgets that get their content from other sites using JSONP calls. The problem is that if the first widget that calls the "$.ajax" takes 8 seconds to get the content back, it seems that the callbacks of the other widgets will only be called after the callback of the first widget gets executed. For the user experience, it would be better if the widgets could be displayed as soon as they get the content back from the remote sites, and not wait for those that were scheduled before to complete. Is there a way I can do that?

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  • " not all code paths return a value" when return enum type

    - by netmajor
    I have enum list and method and i get error: " not all code paths return a value" Some idea whats wrong in my method ? I am sure I always return STANY type :/ Thanks for help :) private enum STANY { PATROL, CHAT, EAT, SEARCH, DIE }; private STANY giveState(int id, List<Ludek> gracze, List<int> plansza) { // Sprawdz czy gracz stoi na polu z jedzeniem i nie ma 2000 jednostek jedzenia bool onTheFood = false; onTheFood = CzyPoleZjedzeniem(id, gracze, plansza, onTheFood); if (onTheFood && (gracze[id].IloscJedzenia < startFood / 2)) return STANY.EAT; // Sprawdz czy gracz nie stoi na polu z innym graczem bool allKnowledge = true; allKnowledge = CzyPoleZInnymGraczem(id, gracze, allKnowledge); if (!allKnowledge) return STANY.CHAT; // Jesli ma ponad i rowna ilosc jedzenia patroluj if (gracze[id].IloscJedzenia >= startFood / 2) return STANY.PATROL; // Jesli ma mniej niz polowe jedzenia szukaj jedzenia if (gracze[id].IloscJedzenia > 0 && gracze[id].IloscJedzenia < startFood / 2) return STANY.SEARCH; // Jesli nie ma jedzenia umieraj if (gracze[id].IloscJedzenia <= 0) return STANY.DIE; }

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  • Thrift client-server multiple roles

    - by dexter
    Hi, this is my first question, so sorry if the form is wrong! I'm trying to make thrift server (python) and client (c++). However I need to exchange messages in both direction. Client should register (call server's function and wait), and server should listen on same port for N (N- 100k) incoming connections (clients). After some conditions are satisfied, server needs to call functions on each client and collect results and interpret them. I'm little confused, and first questions is "can this be done in Thrift"? Second question is related to mechanism that will allow me bidirectional communication. I guess that I will need two services. One with client's functions other with server's. But I'm confused with calling code. I understand one way communication (calling functions from server), but with calling functions from client side I have a problem. Any suggestions??? Thanks!

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  • Bluetooth development on Windows mobile 6 C#

    - by cheesebunz
    Hi everyone, i recently started on a project which is a puzzle slider game. This application will be using the Bluetooth, and i'm working on the mobile,Samsung omnia i900. This is how my application will work. Any user with this Samsung device plays the game and starts sliding the tiles. There is an option to search and connect to other users with the same device and application, so that they can solve the puzzle together. Right now, i'm working on the Bluetooth Part but am still new to the API. I'm using the 32feet.NET inthehandpersonal.net class library while encountering much difficulties. I am able to search for devices by using: private void btnSearch_Click(object sender, EventArgs e) { BluetoothRadio.PrimaryRadio.Mode = RadioMode.Discoverable; BluetoothRadio myRadio = BluetoothRadio.PrimaryRadio; lblSearch.Text = "" + myRadio.LocalAddress.ToString(); bluetoothClient = new BluetoothClient(); Cursor.Current = Cursors.WaitCursor; BluetoothDeviceInfo[] bluetoothDeviceInfo = { }; bluetoothDeviceInfo = bluetoothClient.DiscoverDevices(10); comboBox1.DataSource = bluetoothDeviceInfo; comboBox1.DisplayMember = "DeviceName"; comboBox1.ValueMember = "DeviceAddress"; comboBox1.Focus(); Cursor.Current = Cursors.Default; } Well, to be honest this is a rip off from some sources i found on the internet but i do understand this part. Next i went on to trying to sending a simple "testing.txt" file and i'm stucked at it. I think i will be using something like the OBEX and Obexwebrequest, obexwebresponse, Uri etc. Could anyone explain it in simple terms for me so that i could understand what they are so that i could continue pairing and etc on Bluetooth development. Sorry making it this long, really appreciate if anyone did waste some time reading it :). Hope alanM sees this :) i'm using their bluetooth library.

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  • Drawing a dashed line across the tops of Flex Column Chart

    - by Anoop
    Hi all, Please find the below code <?xml version="1.0" encoding="utf-8"?> ]; ]]> This code is drawing a colum chart with two columns and drawing a line across the top of both columns. I have two requirements : the line need to be dashed as of now the line starts from top right corner of the first column to the same corner of the second column. How can i shift the line to the left, so that it starts from center of first column to center of second column. Regards, PK

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  • Creating a Wiki site in SharePoint 2010

    - by Ben
    I have a SharePoint 2010 site set up and would like to add a Wiki site to it. Normally, to add a subsite to a parent site you would click "Site Actions" - "New Site" and choose the site type (e.g. Team Site) and it would work fine. In the case of adding a Wiki site, I choose "Enterprise Wiki", and get "Error An Unexpected Error has occured Correlation Id:...". So i took the CorrelationId and checked in the ULS files to see what the error is, and the first bad sign seems to be: SharePoint Foundation Feature Infrastructure " The element of type 'ContentTypeBinding' for feature 'EnterpriseWiki' (id: 76d688ad-c16e-4cec-9b71-7b7f0d79b9cd) threw an exception during activation: Specified argument was out of the range of valid values. Parameter name: Content type not found (Id: '0x010100C568DB52D9D0A14D9B2FDCC96666E9F2007948130EC3DB064584E219954237AF39004C1F8B46085B4D22B1CDC3DE08CFFB9C')." There are more errors in the log, but this seems to be the first one. Any ideas on whats going on? Thanks

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  • Wordpress: sort into sub-pages, then sort by tag

    - by redconservatory
    I have a wordpress page with two or three sub-pages ("TV", "WEB", "WATCH") and I would like to have the sub-page links on the page itself. So, far, I can pull the sub-pages the following way: <?php $children = wp_list_pages('title_li&child_of='.$post->ID.'depth=1&echo=0'); if ($children) { ?> <ul> <?php echo $children; ?> </ul> <?php } ?> However, is there a way to loop through $children so I can pull each link by it's tag? i.e. using has_tag('tv'), has_tag('web') Between the wordpress conditional tags and php, I am not sure how to write this.

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  • availability of Win32_MountPoint and Win32_Volume on Windows XP?

    - by SteveC
    From the MSDN articles I've found -- http://msdn.microsoft.com/en-us/library/aa394515(v=VS.85).aspx -- Win32_Volume and Win32_MountPoint aren't available on Windows XP. However, I'm developing a C# app on Windows XP (64bit), and I can get to those WMI classes just fine. Users of my app will be on Windows XP sp2 with .Net 3.5 sp1. Googling around, I can't determine whether I can count on this or not. Am I successful on my system because of one or more of the following: - windows xp service pack 2? - visual studio 2008 sp1 was installed? - .Net 3.5 sp1? Should I use something other than WMI to get at the volume/mountpoint info? Below is sample code that's working... public static Dictionary<string, NameValueCollection> GetAllVolumeDeviceIDs() { Dictionary<string, NameValueCollection> ret = new Dictionary<string, NameValueCollection>(); // retrieve information from Win32_Volume try { using (ManagementClass volClass = new ManagementClass("Win32_Volume")) { using (ManagementObjectCollection mocVols = volClass.GetInstances()) { // iterate over every volume foreach (ManagementObject moVol in mocVols) { // get the volume's device ID (will be key into our dictionary) string devId = moVol.GetPropertyValue("DeviceID").ToString(); ret.Add(devId, new NameValueCollection()); //Console.WriteLine("Vol: {0}", devId); // for each non-null property on the Volume, add it to our NameValueCollection foreach (PropertyData p in moVol.Properties) { if (p.Value == null) continue; ret[devId].Add(p.Name, p.Value.ToString()); //Console.WriteLine("\t{0}: {1}", p.Name, p.Value); } // find the mountpoints of this volume using (ManagementObjectCollection mocMPs = moVol.GetRelationships("Win32_MountPoint")) { foreach (ManagementObject moMP in mocMPs) { // only care about adding directory // Directory prop will be something like "Win32_Directory.Name=\"C:\\\\\"" string dir = moMP["Directory"].ToString(); // find opening/closing quotes in order to get the substring we want int first = dir.IndexOf('"') + 1; int last = dir.LastIndexOf('"'); string dirSubstr = dir.Substring(first , last - first); // use GetFullPath to normalize/unescape any extra backslashes string fullpath = Path.GetFullPath(dirSubstr); ret[devId].Add(MOUNTPOINT_DIRS_KEY, fullpath); } } } } } } catch (Exception ex) { Console.WriteLine("Problem retrieving Volume information from WMI. {0} - \n{1}",ex.Message,ex.StackTrace); return ret; } return ret; }

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  • "volatile" qualifier and compiler reorderings

    - by Checkers
    A compiler cannot eliminate or reorder reads/writes to a volatile-qualified variables. But what about the cases where other variables are present, which may or may not be volatile-qualified? Scenario 1 volatile int a; volatile int b; a = 1; b = 2; a = 3; b = 4; Can the compiler reorder first and the second, or third and the fourth assignments? Scenario 2 volatile int a; int b, c; b = 1; a = 1; c = b; a = 3; Same question, can the compiler reorder first and the second, or third and the fourth assignments?

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  • Android: How to make RadioGroup work correctly in a ListView?

    - by TianDong
    Hello! I have a ListView, which has a TextView and a RadioGroup with 4 RadioButtons as Children in each row. Now i can select a RadioButton in each row. But if i scroll the ListView, my Selection is gone or it does not showed correctly. For example, i choose the RadioButton A in the first row, if i scroll through the ListView and then go back to the first row again, either none of the RadioButtons in the RadioGroup is checked or RadioButton C is checked instead of A. How can i fix this Problem? I have tried 7 days already, but still i find no solution. Can anybody help me? I'll be very appriciate of that.

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  • WPF ItemsViewSource Sorting

    - by niao
    Greetings, I have a problem with sorting ItemsViewSource in WPF. The problem is as follows: My application has a listbox with items, there is a possibility to add new items to this listbox. I have ItemsViewSource which is binded to ListBox ItemsSource - by default some sortDescription is applied (by name) so when new item is added to the listbox it is automatically added to appopriate position in ListBox. I also have a ToggleButton named "No sorting" and what I would like to achieve - when this butt is pressed and new item is added to listbox, the item will be included in the first position in ListBox and additionally previous sorting will be preserved. I can achieve the functionality of adding new item to first position on the list by calling _ItemsViewSource.SortDescriptions.Clear(); but then my previous sorting is not preserved. How can I achieve this and preserve previous sorting? Thanks in advance.

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  • Creating settings like the Mail settings in the Settings app

    - by cannyboy
    I want to create some settings much like the Mail settings within the Settings app. These allow you to add mail accounts to the end of the table First screen --------------- + | add account | --------------- When they click on the cell, they are pushed onto a new screen where they fill in a few textfields Second screen ----------------- |(cancel) (save)| - the toolbar ----------------- ---------------- | email | ---------------- |another field | ---------------- Then when they go back, they can see the new record as well as the 'add account' cell. First screen --------------- | email 1 | --------------- + | add account | --------------- It need to be in-app rather than within the Settings app. What's the best way to do this?

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  • Creating settings like the Mail settings in the Settings app

    - by cannyboy
    I want to create some settings much like the Mail settings within the Settings app. These allow you to add mail accounts to the end of the table First screen --------------- + | add account | --------------- When they click on the cell, they are pushed onto a new screen where they fill in a few textfields Second screen ----------------- |(cancel) (save)| - the toolbar ----------------- ---------------- | email | ---------------- |another field | ---------------- Then when they go back, they can see the new record as well as the 'add account' cell. First screen --------------- | email 1 | --------------- + | add account | --------------- It need to be in-app rather than within the Settings app. What's the best way to do this?

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  • Firefox-Addon: Restart and save all current tabs and windows

    - by nokturnal
    Hello guys / gals, First off, this is my first attempt at writing an add-on. That being said, I am attempting to write an add-on that makes some configuration changes and needs to restart Firefox in order to have the changes take effect. I am currently restarting Firefox using the following code: var boot = Components.classes["@mozilla.org/toolkit/app-startup;1"].getService(Components.interfaces.nsIAppStartup); boot.quit(Components.interfaces.nsIAppStartup.eForceQuit|Components.interfaces.nsIAppStartup.eRestart); The problem is, it restarts and opens the browser window(s) to whatever the users homepage is currently set to. I want it to re-open all windows / tabs that were previously open before the restart (similar to what happens when you install a new add-on). Anyone ever messed with this type of functionality before?

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  • [C#] Is variable assignment and reading atomic operation (threading)

    - by AStrangerGuy
    I was unable to find any reference to this in the documentations... Is assigning to a double (or any other simple type, including boolean) an atomic operation viewed from the perspective of threads? double value = 0; public void First() { while(true) { value = (new Random()).NextDouble(); } } public void Second() { while(true) { Console.WriteLine(value); } } In this code sample, first method is called in one thread, and the second in another. Can the second method get a messed up value if it gets its execution during assignment to the variable in another thread? I don't care if I recieve the old value, it's only important to receive a valid value (not one where 2 out of 8 bytes are set). I know it's a stupid question, but I want to be sure, cause I don't know how CLR actually sets the variables. Thanks

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  • Redirect batch stderr to file

    - by nivlam
    I have a batch file that executes a java application. I'm trying to modify it so that whenever an exception occurs, it'll write the STDERR out to a file. It looks something like this: start java something.jar method %1 %2 2>> log.txt Is there a way I can write the arguments %1 and %2 to the log.txt file as well? I don't want to write it to the log file everytime this batch file gets called, only when an exception occurs. I tried searching for a way to redirect STDERR into a variable, but I couldn't figure it out. Ideally I'd like the log file to look something like: Batch file called with parameters: - "first arg" - "second arg" Exception: java.io.exception etc... ------------------------------------ Batch file called with parameters: - "first arg" - "second arg" Exception: java.io.exception etc...

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  • jQuery Datepicker - Programatically Limit Second Datepicker

    - by Dodinas
    Hello all, I've recently been using the following piece of code to limit my 2nd Date picker (end date) so that it does not precede the date of the 1st Date picker. $("#datepicker").datepicker({ minDate: +5, maxDate: '+1M +10D', onSelect: function(dateText, inst){ var the_date = dateText; $("#datepicker2").datepicker('option', 'minDate', the_date); } }); $("#datepicker2").datepicker({ maxDate: '+1M +10D', onSelect: function(dateText, inst){ } }); However, lately, I wanted to format my datepickers using: dateFormat: 'yy-mm-dd' But now, the 2nd datepicker actually allows the user to pick a date 1 day before. For example, if the user picks the 1st date: 2010-04-03, when the 2nd Datepicker pops up, they are able to pick 2010-04-02 (1 day before their first selected date). I do not want the user to be able to pick a date that was before their first selected day. Any ideas why this isn't working after I added in the "dateFormat"?

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  • Where can I find Object Model Documentation for Microsoft Expression Web Add-ins

    - by JonStonecash
    I am working on an add-in for Microsoft Expression Web. I have gotten enough information on the web to know that I have to add references to Microsoft.Expression.Interop.WebDesigner, Microsoft.Expression.Interop.WebDesignerPage, and Microsoft.Expression.Interop.WebDesigner. The problem is that there does not seem to be any official documentation on the classes within these dll-s. There is even a Microsoft Connect issue about the lack of documentation. I have been using the object browser in Visual Studio 2008 and Reflector but that is pretty thin soup. Does anyone know where there is some reasonable documentation. I am not looking for a sample "hello world" implementation. I want some more substance and depth.

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  • How to select the top n from a union of two queries where the resulting order needs to be ranked by individual query?

    - by Jedidja
    Let's say I have a table with usernames: Id | Name ----------- 1 | Bobby 20 | Bob 90 | Bob 100 | Joe-Bob 630 | Bobberino 820 | Bob Junior I want to return a list of n matches on name for 'Bob' where the resulting set first contains exact matches followed by similar matches. I thought something like this might work SELECT TOP 4 a.* FROM ( SELECT * from Usernames WHERE Name = 'Bob' UNION SELECT * from Usernames WHERE Name LIKE '%Bob%' ) AS a but there are two problems: It's an inefficient query since the sub-select could return many rows (looking at the execution plan shows a join happening before top) (Almost) more importantly, the exact match(es) will not appear first in the results since the resulting set appears to be ordered by primary key. I am looking for a query that will return (for TOP 4) Id | Name --------- 20 | Bob 90 | Bob (and then 2 results from the LIKE query, e.g. 1 Bobby and 100 Joe-Bob) Is this possible in a single query?

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  • MKMapView doesn't want to call didAddAnnotationViews method

    - by TheLearner
    I am writing a little map kit app but it doesn't want to call the delegate method didaddannotationviews: (void)mapView:(MKMapView *)mv didAddAnnotationViews:(NSArray *)views { //Get the first MKAnnotationView from the views returned MKAnnotationView *annotationView = [views objectAtIndex:0]; //Get the annotation from the first annotation view and save it in a variable which can hold any object as long as it implements mkannotation id <MKAnnotation> mp = [annotationView annotation]; //Create a region MKCoordinateRegion region = MKCoordinateRegionMakeWithDistance([mp coordinate], 250, 250); //As the mapview to animate i.e. display the region [mv setRegion:region animated:YES]; } @interface WhereAmIAppDelegate : NSObject { UIWindow *window; CLLocationManager *locationManager; IBOutlet MKMapView *mapView; IBOutlet UIActivityIndicatorView *activityIndicator; IBOutlet UITextField *locationTitleField; }

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  • Odd Drag and drag bug in nested attributes Rails

    - by Senthil
    I've got this weird bug when trying to use drag and drag for two models (one nested within another). I've a category model which has many apps. In my category index page, I tried use "content_tag_for" to sort categories and apps within each category. But for some odd reason only the first element has drag, drop enabled. I can drag and drop categories all I want, but I can't drag the app in the second category, just the first category. Copy and paste gets ridiculously hopeless with HAML, so here's a Pastie instead. I made a sample app on heroku for you to check out here. Drag and drag work for both category and app, so I'm guessing it has to do something with the ul or li. Any help is appreciated. Thanks.

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  • Start position for a reused t- sql cursor?

    - by Span
    I'm working on a stored procedure that uses a cursor on a temporary table (I have read a bit about why cursors are undesirable, but in this situation I believe I still need to use one). In my procedure I need to step through the rows of the table twice. Having declared the cursor, already stepped through the temporary table once and closed the cursor, would the position of the cursor remain at the end of the table when re-opened or does it reposition itself to the initial starting position (ie: before the first row)? Alternatively, to reposition the cursor must I do a 'FETCH FIRST' before stepping through again? Am I right to assume the 'cost' of doing this repositioning and reusing the cursor would be less than deallocating and reallocating the cursor?

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  • linebreak in url with Bibtex and hyperref package

    - by Tim
    Why is this item not shown properly in my bibliography? @misc{ann, abstract = {ANN is an implbmentation of nearest neighbor search.}, author = {David M. Mount and Sunil Arya}, howpublished = {\url{http://www.cs.umd.edu/~mount/ANN/}}, keywords = {knn}, posted-at = {2010-04-08 00:05:04}, priority = {2}, title = {ANN.}, url = "http://www.cs.umd.edu/~mount/ANN/", year = {2008} } @misc{Nilsson96introductionto, author = {Nilsson, Nils J.}, citeulike-article-id = {6995464}, howpublished = {\url{http://robotics.stanford.edu/people/nilsson/mlbook.html}}, keywords = {*file-import-10-04-11}, posted-at = {2010-04-11 06:52:28}, priority = {2}, title = {Introduction to Machine Learning: An Early Draft of a Proposed Textbook.}, year = {1996} } EDIT: I am using \usepackage{hyperref}, not \usepackage{url}. I don't know what changes I just made made the first item appear properly now @misc{ann, abstract = {ANN is an implbmentation of nearest neighbor search.}, author = {David M. Mount and Sunil Arya}, howpublished = {\url{http://www.cs.umd.edu/~mount/ANN/}}, keywords = {ann}, posted-at = {2010-04-08 00:05:04}, priority = {2}, title = {The \textsc{A}pproximate \textsc{N}earest \textsc{N}eighbor \textsc{S}earching \textsc{L}ibrary.}, url = "http://www.cs.umd.edu/~mount/ANN/", year = {2008} } EDIT: Since I am using hyperref package, it produces error when using url package together with it. So the two cannot work together? I would like to use hyper links inside pdf file, so I would like to use hyperref package instead of url package. I googled a bit, and try \usepackage[hyperindex,breaklinks]{hyperref}, but there is still no line break just as before. How can I do it? Is there conflict in the packages that I am now using?: \usepackage{amsmath} \usepackage{amsfonts} \usepackage[dvips]{graphicx} \usepackage{wrapfig} \graphicspath{{./figs/}} \DeclareGraphicsExtensions{.eps} \usepackage{fixltx2e} \usepackage{array} \usepackage{times} \usepackage{fancyhdr} \usepackage{multirow} \usepackage{algorithmic} \usepackage{algorithm} \usepackage{slashbox} \usepackage{multirow} \usepackage{rotating} \usepackage{longtable} \usepackage[hyperindex,breaklinks]{hyperref} \usepackage{forloop} \usepackage{lscape} \usepackage{supertabular} \usepackage{amssymb} \usepackage{amsthm}

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