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  • Interacts with dialog/whiptail on early boot rcX.d stage?

    - by nm
    Hi buddies, I'm developing on Ubuntu based, actually I got one script in-charged on GUI(console) setup. It runs before another scripts (rcX.d) start. Currently, I installed this script on rc2.d and start earlier than other ones. But when run on real machine, I can't input any keystroke on "dialog --inputbox" or whiptail through shell script. Additionally, It runs well on my Virtual Machine (Virtual Box and Vmware), that's so strange! So, does anybody give some help or point me any clues for overcome this ? Thanks

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  • Maintain a variable value between program runs

    - by Akshay J
    I have a simple c# console application that is scheduled after every 5 mins. Every invocation of the program requires the output of the last run. What I am doing right now is using a text file and store the result in it. next time when it runs it opens the text file and know the output of the previous run. Is there any other way to do it that wont require any such text file ? Like maintaining a session variable etc ?

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  • Selecting a value from multiple dictionaries inside an enumeration

    - by johaanfaust
    If I have an enumeration of dictionaries IEnumerable<IDictionary<string, float>> enumeration can I perform a Linq query on it so that I can select by a value from each dictionary in the enumeration using the same key? I can do this in a loop: float f; foreach (var dictionary in enumeration) { if (dictionary.TryGetValue("some key", out f)) { Console.WriteLine(f); } } (The eventual plan is to compare the performance of the query verses the equivalent nested looping statements (the enumeration itself is formed from either another query or an equivalent set of loops).)

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  • [Ext.tree.TreePanel] getNodeById does not work

    - by Moon
    Hi, I have a ext treepanel with json. var tree = new Ext.tree.TreePanel({ renderTo:'tree-container', title: 'Category', height: 300, width: 400, useArrows:true, autoScroll:true, animate:true, enableDD:true, containerScroll: true, rootVisible: false, frame: true, root: { text: 'Category', draggable: false, id: '0' }, // auto create TreeLoader dataUrl: $("#web").val() + "/category/index/get-nodes", listeners: { 'checkchange': function(node, checked){ if(checked){ categoryManager.add(node.id); //node.getUI().addClass('complete'); }else{ categoryManager.remove(node.id); // node.getUI().removeClass('complete'); } } } }); dataUrl loads the following json code [{"text":"Code Snippet","id":"1","cls":"folder","checked":false,"children":[{"text":"PHP","id":"3","cls":"file","checked":false,"children":[]},{"text":"Javascript","id":"4","cls":"file","checked":false,"children":[]}]}] when I try to find a node by console.log( tree.getNodeByid(3) ), it shows that it is undefined. Do I have a problem with my code?

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  • Mongoose Not Creating Indexes

    - by wintzer
    I have been trying all afternoon to get my node.js application to create MongoDB indexes properly. I am using the Mongoose ODM and in my schema definition below I have the username field set to a unique index. The collection and document all get created properly, it's just the indexes that aren't working. All the documentation says that the ensureIndex command should be run at startup to create any indexes, but none are being made. I'm using MongoLab for hosting if that matters. I have also repeatedly dropped the collection. Please tell me what I'm doing wrong. var schemaUser = new mongoose.Schema({ username: {type: String, index: { unique: true }, required: true}, hash: String, created: {type: Date, default: Date.now} }, { collection:'Users' }); var User = mongoose.model('Users', schemaUser); var newUser = new Users({username:'wintzer'}) newUser.save(function(err) { if (err) console.log(err); });

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  • Android Consistent Crash - NullPointerException

    - by Jesse
    I have tested my app on numerous devices and this never happens, but when I look in my Android Developer Console, I am seeing a lot of these: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.MyApp/com.MyApp.ProductMain}: java.lang.NullPointerException at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1696) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1716) at android.app.ActivityThread.access$1500(ActivityThread.java:124) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:968) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:130) at android.app.ActivityThread.main(ActivityThread.java:3806) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:507) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) at dalvik.system.NativeStart.main(Native Method) Caused by: java.lang.NullPointerException at com.MyApp.ProductMain.onCreate(Unknown Source) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1660) ... 11 more To me, this really doesnt tell me much, but maybe someone can read this better than I???

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  • Pushing UIViewController onto a UINavigationController

    - by Gregg
    The other day I asked about using a UINavigationController as a child of a UIViewController. I got that working via the answer. Now what I'm trying to do is push a controller onto the nav stack. When a table cell is touched, I do the following: - (void) showSetup { NSLog(@"Showing Setup"); SetupViewController *controller = [[SetupViewController alloc]initWithNibName:@"SetupViewController" bundle:nil]; self.setupViewController = controller; self.setupViewController.title = @"Setup"; [self.navigationController pushViewController:self.setupViewController animated:YES]; [controller release]; } I can see the log statement in my console, but the view never changes. Am I missing something?

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  • How to release a string created inside a method in iphone?

    - by Warrior
    I have declared a local string inside the method.I am releasing the string inside the same method.I found my code crashing if release that object.If i dont release the string,code runs successfully.I have called that method in viewdidappear so that method is called while pushing and poping.Nothing gets printed in the console. Here is my code -(void)appendString{ NSString *locStr = [[NSString alloc] initWithString:@""]; for (int i=0;i<[result count]; i++) { locStr=[locStr stringByAppendingFormat:@"%@",[result objectAtIndex:i]]; } [str setString:locStr]; [locStr release]; } I am calling the "appendString" method from "viewDidAppear"."str" is a NSMutable string declared in .h class.How should i release the "locStr" .Please help me out

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  • Why can't I call my doSomething method?

    - by Tattat
    This is my DrawSomethingCmd: #import "Command.h"; @interface DrawSomethingCmd : Command { } -(void)doSomething; -(void)execute; @end and the DrawSomethingCmd.m's doSomething method is: -(void)doSomething{ NSLog(@"did"); } The Command.h: #import <Foundation/Foundation.h> @interface Command : NSObject { } -(void)execute; And Command.m: #import "Command.h" @implementation Command -(id)init{ return self; } -(void)execute{ } @end And I have a method like this: DrawSomethingCmd *tempCmd = [[DrawSomethingCmd alloc] init]; [tempCmd doSomething]; But my console didn't show anything. What's going on?

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  • JSON Response {"d":"128.00"} but displaying "128"

    - by TGuimond
    Hi all, I have been working on a shopping cart that the user can add/remove order items as they please and am returning an updated sub-total via a webservice using jQuery $.ajax Here is how I am calling the webservice and setting the sub-total with the response. //perform the ajax call $.ajax({ url: p, data: '{' + s + '}', success: function(sTotal) { //order was updated: set span to new sub-total $("#cartRow" + orderID).find(".subTotal").text(sTotal); }, failure: function() { //if the orer was not saved //console.log('Error: Order not deleted'); } }); The response I am getting seems perfectly fine: {"d":"128.00"} When I display the total on the page it displays as 128 rather than 128.00 I am fully sure it is something very simple and silly but I am so deep into it now I need someone with a fresh brain to help me out!! Cheers :)

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  • Check boxes for a has_many and belongs_to association.

    - by Thomas
    I have a has_many and belongs_to association. class Link < ActiveRecord::Base has_and_belongs_to_many :categories belongs_to :property end class Property < ActiveRecord::Base has_many :links end In the index and show I have <%= link.property.name %> and it will show the Property that I assigned to the link with the console just fine. I have a problem with figuring out how to show check boxes in the _form that assign a property to the link (a drop down would work as well). It seems everyone who has had this question before has ether a has_many :through or a HABTM relationship and I can't seem to adapt their answers.

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  • Leaving SQL Management open on the internet

    - by Tim Fraud
    I am a developer, but every so often need access to our production database -- yeah, poor practice, but anyway... My boss doesn't want me directly on the box using RDP, and so we decided to just permit MS SQL Management Console access so that I can do my tasks. So right now we have the SQL box somewhat accessible on the internet (on port 1433 if I am not mistaken), which opens a security hole. But I am wondering, how much of an uncommon practice is this, and what defaults should I be concerned about? We use MSSQL2008 and I created an account that has Read-Only access, because my production tasks only need that. I didn't see any unusual default accounts with default passwords on the system, so I would be interested to hear your take. (And of-course, is there a better way?)

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  • Implementing a client for ActiveMQ events

    - by recipriversexclusion
    I can listen to events from a certain topic in an ActiveMQ server using a simple asynchronous listener and print the incoming events to the console (code to that actually comes as an example in the activemq-cpp library). I would like to create clients on other machines that will listen to these events and update their displays. My question is: how to best go about doing this? Are there any Ajax examples you can point me that implement similar functionality? Or is there another technology (comet?) that is better to use for this scenario? How can I display the events in teh browser window as they are received by the client, should I use JQuery?

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  • Application crashes when popViewControllerAnimated is called while scrolling

    - by Aldrich
    In one screen I have a custom toolbar with a "close" button in it, and a UIScrollView. In the screen that preceded this one I had pushed the current screen into the navigation stack. I had also disabled the navigation toolbar for a larger display area and so the close button would instead be used to call: - (void)doClose { [self.navigationController popViewControllerAnimated:YES]; } Now here's the problem: the application crashes when the close button is pressed, while the UIScrollView is moving. Here's the debugger stack trace: 0 __forwarding__ 1 __forwarding_prep_0___ 2 -[UIToolbarButton setHighlighted:] 3 -[UIControl(Static) _unhighlight] 4 __NSFireDelayedPerform ... and I do have the following line in the debugger console: *** -[CALayer setOpacity:]: message sent to deallocated instance 0x718d250 (sometimes setOpacity would be setNeedsDisplay or something related) There won't be any crashes while the scrollview is at rest. What is happening?

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  • ActiveRecord has_many and polymorphic

    - by leomayleomay
    I've came into a problem while working with AR and polymorphic, here's the description, class Base < ActiveRecord::Base; end class Subscription < Base set_table_name :subscriptions has_many :posts, :as => :subscriptable end class Post < ActiveRecord::Base belongs_to :subscriptable, :polymorphic => true end in the console, >> s = Subscription.create(:name => 'test') >> s.posts.create(:name => 'foo', :body => 'bar') and it created a Post like: #<Post id: 1, name: "foo", body: "bar", subscriptable_type: "Base", subscriptable_id: 1, created_at: "2010-05-10 12:30:10", updated_at: "2010-05-10 12:30:10"> the subscriptable_type is Base but Subscription, anybody can give me a hand on this?

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  • Flexible string handling in Visual Studio 2008 C++

    - by David
    I'm slowly starting to get the hang of the _T stuff in Visual Studio 2008 c++, but a few things still elude me. I can see the benefit of the flexibility, but if I can't get the basics soon, I think I'll go back to the standard way of doing this - much less confusing. The idea with the code below is that it scans the parameters for -d and then stores the text that follows that in the string variable fileDir. It also ignores any other parameters. Any help is appreciated. //Console application Parameters::Parameters(int argc, _TCHAR* argv[]) { _Tstring fileDir; // Is there some kind of _t variable to use here for a string? for (int i = 0; i < argc; i = i + 1) { if (_tccmp(argv[i], _T("-d")) == 0) // this appeared to accept anything starting with - { i = i + 1; fileDir = argv[i] } } _tprintf("Parameter value found: %s\n", fileDir); }

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  • jQuery hover() event on div element within a button element

    - by jakeisonline
    I can't seem to get jQuery to notice the div within the following markup <button class="button submit positive right" id="omnisubmit" type="submit"> <div class="label">Submit</div> <div class="controller">&nbsp;</div> </button> And here is the jQuery I'm currently using: $("button#omnisubmit div.controller").hover(function () { console.log("Hover..."); }); However, jQuery doesn't seem to pick up when the mouse is hovering over that div, $("button#omnisubmit div.controller").hover( works correctly, of course. I have a feeling it's because putting divs inside buttons may not be standard HTML?

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  • how can I have a teammate restart heroku server from his machine

    - by josh
    I have a rails app up on heroku. Sometimes the server bombs out and I have to go to the console and execute heroku restart so that servers get restarted. This seems to fix the problem. However, I am not on my machine all the time. I would like to have a team member have this capability as well. For this to happen...what does he need to do? Does he need to first have access to the github repository so that he can push and pull code to the repository and then install heroku on his machine? Can this be done without git hub? can he just install heroku?

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  • Can I control the mouse cursor from within R?

    - by Bernd Meyer
    Is it possible, to control the mouse pointer from the R console? I have something like this in mind: move_mouse(x_pos=100,y_pos=200) # move the mouse pointer to position (100,200) mouse_left_button_down # simulate a press of the left button move_mouse(x_pos=120,y_pos=250) # move mouse to select something mose_release_left_button # release the pressed button In MATLAB, something like this is possible with the following code import java.awt.Robot; mouse = Robot; mouse.mouseMove(0, 0); mouse.mouseMove(100, 200); Is something similar possible for the keybord? E.g. simulate keybord events?

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  • C# Dataset usage necessary before passing to GridView datasource?

    - by Goober
    Scenario Lets say for example I have a series of events that fire continually every half second presenting me with an object containing some bits of information. There are always between 10 and 15 objects that are being updated constantly. Since these bits of information are changing continually I want to display them in a GridView. When I do so, I want the user to see the data displayed in the gridview and actually be updated as opposed to just a continually extending list being printed and incrementing (like writeline on the console). Question Is the best way to achieve this to map my objects to a dataset and have the dataset mapped to the gridview? Thoughts Will this allow the gridview to just be "UPDATED" as opposed to being added to? Any implementation suggestions would be greatly appreciated. EDIT: it MUST be windows forms (I use DevExpress too)

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  • What are the advantages of combination WPF + XNA?

    - by MartyIX
    Hi, I'm porting my application from Winforms+XNA to WPF (+ XNA?) and I would like to know if the combination WPF + XNA makes sense or not. If it brings some advantages or if it is rather a bad choice. A few points about my game: It's a desk game with simple 2D animations (movement) Main window contains panels like available games/players etc. + console. I would like to add some fancy scenes to my program (at end of game, ...) http://www.codeproject.com/KB/WPF/XnaInWPF.aspx is the code I would like my program base on. So the appearance is quite similar to a chess program. Thank you for suggestions!

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  • Can not make a request to google map

    - by Eme Emertana
    Hi I am making a restful request to google map, but I run into following error; java.io.IOException: Server returned HTTP response code: 400 for URL: http://maps.googleapis.com/maps/api/distancematrix/xml?origins=Washington, DC USA&destinations=Los+Angeles+CA+USA&mode=driving&sensor=false at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1436) at java.net.URLConnection.getContent(URLConnection.java:688) I believe its making a correct connection as I can get the correct response by copying the above URL into my browser, I am wondering why I am getting 400 error code in my console and I dont get the correct response when java is sending the request.

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  • WebClient - The remote server returned an error: (403) Forbidden.

    - by daniel
    Opening a public page from browser works fine. Downloading same page using WebClient throws - (403) Forbidden. What is going on here ? Here is quick copy/paste example (used on console app) to specific page on web: try { WebClient webClient = new WebClient(); string ss = webClient.DownloadString("http://he.wikisource.org/wiki/%D7%A9%D7%95%D7%9C%D7%97%D7%9F_%D7%A2%D7%A8%D7%95%D7%9A_%D7%90%D7%95%D7%A8%D7%97_%D7%97%D7%99%D7%99%D7%9D_%D7%90_%D7%90"); } catch (Exception ex) { throw; }

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  • errorPage directive works, but error-page in web.xml doesn't?

    - by danb
    I get jsp exceptions causing a forward to my error page when I put this at the top of my JSPs... <%@ page errorPage="/error.page" %> but when I try to do it globally with web.xml like so: <error-page> <exception-type>java.lang.Throwable</exception-type> <location>/error.page</location> </error-page> I just get a blank page... I've also tried putting /error.jsp in the location element.. but no love with that either.. I am triggering an exception with a jsp that just contains this: <%if(true)throw new RuntimeException("test exception");%> I do see the exception in the console from tomcat but I just can't get that error page to show without a directive on every jsp... am I missing something simple here?

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  • Javascript function returning number with two decimals...?

    - by muzzledBYbrass
    I have a function to return points along a line and my return comes back with two decimal points...? For example, a return of my variable px will be something like -88.4029.032940598. vx is the x vector and mult is the distance of the line plus distance to calculate the point. Here is the operation that is returning these values: var mult = parseFloat(mag + theUnit); var px = coord_one.x_point + (vx * mult); console.log(px); Never have seen this before- I appreciate any and all help!

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