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• Can jQuery retrieve a file?

  - by danspants

  I have a django application that creates xls and txt files. I'm trying to create a button which sends a jQuery.get request to django, django then returns a freshly created file to jQuery which in turn pops open a save as dialog. My code looks like this: jQuery("#testButton").live("click",function() { jQuery.jGrowl("click"); jQuery.get("/filetest",function(data){}); }); <div id="testButton" class="button">CLICK TO TEST</div> Getting the file to jQuery is easy, but I have no idea how to then raise a Save As dialog. Any assistance would be fantastic!

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• Guice creates Swing components outside of UI thread problem?

  - by Boris Pavlovic

  I'm working on Java Swing application with Google Guice as an IOC container. Things are working pretty well. There are some UI problems. When a standard L&F is replaced with Pushing pixels Substance L&F application is not running due to Guice's Swing components creation outside of UI thread. Is there a way to tell Guice to create Swing components in the UI thread? Maybe I should create custom providers which will return Swing components after SwingUtilities.invokeAndWait(Runnable) creates them. I don't like the idea of running the whole application in UI thread, but maybe it's just a perfect solution.

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• ASP.NET site freezing up, showing odd text at top of the page while loading, on one server

  - by MGOwen

  I have various servers (dev, 2 x test, 2 x prod) running the same asp.net site. The test and prod servers are in load-balanced pairs. One of these pairs is exhibiting some kind of (super) slowdown or freezing every other page load or so. Sometimes a line of text appears at the very top of the page which looks something like: 00 OK Date: Thu, 01 Apr 2010 01:50:09 GMT Server: Microsoft-IIS/6.0 X-Powered_By: ASP.NET X-AspNet-Version:2.0.50727 Cache-Control:private Content-Type:text/html; charset=ut (the beginning and end are "cut off".) Has anyone seen anything like this before? Any idea what it means or what's causing it?

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• NSMutableArray withObject(UIImageView *)

  - by pureman

  I am trying to load an NSMutableArray with UIImageViews. Everything is going fine with that. Unfortunately, I have no idea how to use the objects when they are in the mutable array. Here is some code: UIImageView *imageView = [[UIImageView alloc] initWithImage:image]; NSMutableArray *array = [NSMutableArray new]; [array loadWithObject:(UIImageView *)imageView]; [imageView release]; That kind of sets up what I've done. Here's what I want to do: [array objectAtIndex:5].center = GCRectMake(0, 0); but that doesn't work. How can I do this??

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• Knockout.js nested sortable bindings

  - by user2391998

  I am working with the knockout.js sortable plugin; however, I ran into a problem that I have so far been unable to solve. I have two sortable bindings, one for buckets and another for bucketItems. I am able to reorder bucketItems between buckets and between buckets; however, I am unable to reorder buckets. Would you have any idea why this would be? I am also using nested with bindings, but as far as I can tell, this is not what is causing problems. I would greatly appreciate any insight you have to offer. Thank you so much for your time!

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• How to write software for my touchpad?

  - by Nona Urbiz

  I have some ideas for improvements on my touchpad, ranging from the run of the mill scroll horizontally at the bottom, tapzones for right click, to more complicated ones. But I have no idea where to get started? I'm working on Windows 7 Home Premium, its an Asus laptop, and I have none of these options natively available to me. Regardless, I want to write something that anyone can use. Where would I start? (it'd be nice to write in c++? is that possible? what are the requirements here? what language would be recommended?)

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• How to import org.codehaus.groovy.scriptom.* on Groovy?

  - by Mulone

  Hi guys, I'm trying to run a Groovy app to manipulate Excel files on STS (by SpringSource) 2.3.0. My Groovy version is 1.7. Class: package com.mytool import org.codehaus.groovy.scriptom.ActiveXObject /** * @author Mulone * */ class SurveyTool { static main(args) { print 'test' def wshell = new ActiveXObject('Wscript.Shell') wshell.popup("Scriptom is Groovy") } } Sadly, this is what I get: org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed: C:\workspace\SurveyTool\src\com\geoadapta\surveytool\SurveyTool.groovy: 6: unable to resolve class org.codehaus.groovy.scriptom.ActiveXObject @ line 6, column 1. import org.codehaus.groovy.scriptom.ActiveXObject ^ 1 error I also tried to rename ActiveXObject to ActiveXProxy with the same result. I tried to import scriptom manually from the package scriptom-all-assembly-1.6.0 but I didn't work. Any idea? Cheers

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• ArrangeOverride Vs Storyboard Animation

  - by user275561

  Now I may not grasp the idea or this could be a mistake so feel free to correct me. I am doing a bubble breaker game in Silverlight. So when a bubble in a column gets bursted. I want to animate the above bubbles to simulate that they are being dropped. Each bubble knows its Row and column location and that gets updated in the View Model. Now my question is, Should I call invalidateArrange() on the Canvas from the ViewModel so it rearranges the bubbles or just have a storyboard animate the TranslateY. In my arrangeOverride Method I have something like this Rect childBounds = new Rect(CalculateLeft(dataContext.Column), CalculateTop(dataContext.Row), BubbleSize, BubbleSize); child.Arrange(childBounds); If there is a better way let me know. I am trying to learn the best practices.

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• optimization mvc code

  - by user276640

  i have such code var prj = _dataContext.Project.FirstOrDefault(p => p.isPopular == true); if (prj != null) { prj.isPopular = false; _dataContext.SaveChanges(); } prj = Details(id); prj.isPopular = true; _dataContext.SaveChanges(); idea-i have only one record with value true in field isPopular, so i get it and make false, then i get object by id and make it isPopular true. i don't like 2 calls on savechanges. any ideas?

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• How to uninstall Ruby from /usr/local?

  - by Shreyas Satish

  Everything was working fine , until we decided to upgrade ruby to 1.8.7 from 1.8.6, and thats when all hell broke loose. When we compiled Ruby 1.8.7 from source it got installed into /usr/local/bin and Ruby 1.8.6 stayed in /usr/bin. Currently, we've uninstalled ruby 1.8.6 and by some stroke we deleted the ruby 1.8.7 files from /usr/local. when we try "which ruby" it points to /usr/local. If anybody could help us out what we need to do get back on track , we would be very grateful.and also any idea how we can uninstall ruby from /usr/local. we tried yum remove ruby , which removed ruby from /usr/bin.Thanks and Cheers !

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• Nhibernate not tracking changes

  - by Lavinski

  I'm using nhibernate and it appears that changes to my new object are not persisted. After creating and saving an object I then modify it and commit the transaction. However none of the modifications are saved. The strange thing is this code was working previously and I have no idea what could cause this. Nothing was changed that's obviously related.. As an attempted work around I saved the object later in the procedure after all the changes where made however I was greeted with an Assertion Failure collection [] was not processed by flush. Any ideas?

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• How to get rid of the double scroll bar problem when using an iframe

  - by stu

  I've seen this problem on the web, and all the suggested solutions aren't working for me, so I thought I'd come here. I have a page that has an iframe. The top of the page is a dropdown menu, the rest of the page is the iframe. The idea like I'm sure everybody else does, is to have the menu stay stationary and the menu selection runs an application in the iframe. The contents of the iframe should scroll, but the page as a whole should not. I've tried putting the iframe width=height=100% inside a single table element also with width=height=100% but I get two scrollbars if I make the window too short vertically. Any suggestions?

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• rubygem "Argument list too long"

  - by mehmermaid

  My problem is that during or after running a process which uses Ruby intensively, when I use any gem command including gem --version or gem install rake, it hangs for just over a minute and then gives me this error: $ gem list /Users/username/.rvm/bin/gem: line 5: /Users/username/.rvm/bin/gem: Argument list too long /Users/username/.rvm/bin/gem: line 5: /Users/username/.rvm/bin/gem: Unknown error: 0 file at : line 5: /Users/username/.rvm/bin/gem #!/usr/bin/env bash if [[ -s "/Users/username/.rvm/environments/ruby-1.8.7-p334" ]] ; then source "/Users/username/.rvm/environments/ruby-1.8.7-p334" exec gem "$@" # this is line 5 else echo "ERROR: Missing RVM environment file: '/Users/username/.rvm/environments/ruby- 1.8.7-p334'" >&2 exit 1 fi The only way that I have found to get this working again is to restart my computer, which is obviously undesirable. I am using OSX 10.6.5 I have spent quite a while trying to find anyone else who has had this problem, and been unsuccessful. Do you have any idea why this might be happening?

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• Ruby: writing a network redirector

  - by Shyam

  Hi, I would like to research protocols such as HTTP. As I am learning Ruby, I would like to write a program that works as a "gateway". I would be connecting to it's port on for example 8080 and the program should forward my request to the real host and send back the answers. The idea of my design is something like this: class EchoProxy def run # run a listening socket on port 8080 myinfiniteloop end def myinfiniteloop # continually run this loop unless the app is terminated puts traffic end end Some pointers in the right direction would be great! Thank you for your comments, answers and feedback!

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• Shark tool on iphone crashes

  - by Joey

  Hi, I am trying to use Shark to profile my app. However, it crashes after I hit "stop" and it analyzes and then goes to "load session". Only once when I decided not to select my app but chose to target "everything" did it actually display some trace. However, I could not reproduce this case. Does anyone have any idea what might be going wrong? Could it be something to do with the wrong version of Shark or my SDK or some other detail? I have the latest SDK and am running 3.1.3 on the phone. The various documentation I've found on google or via Apple's docs don't seem to be terribly helpful, so if anyone has found some that's useful, I'd love to see it. Thanks.

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• run two apache servers on one computer

  - by harry_T

  I would like to run two XAMPP apache servers and mysql on one Windows computer. My first idea was to run one under directory XAMPP, the other under XAMPP_B. Why you ask? I have two applications that have to be in the "root" directory of localhost. Both servers do not have to be active at same time, so I don't think I will have any conflicts I will have to modify my.cnf in mySQL httpd.conf, apache_start and maybe other config files as well. Or maybe someone can suggest a better way...

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• explicit copy constructor or implicit parameter by value

  - by R Samuel Klatchko

  I recently read (and unfortunately forgot where), that the best way to write operator= is like this: foo &operator=(foo other) { swap(*this, other); return *this; } instead of this: foo &operator=(const foo &other) { foo copy(other); swap(*this, copy); return *this; } The idea is that if operator= is called with an rvalue, the first version can optimize away construction of a copy. So when called with a rvalue, the first version is faster and when called with an lvalue the two are equivalent. I'm curious as to what other people think about this? Would people avoid the first version because of lack of explicitness? Am I correct that the first version can be better and can never be worse?

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• Android 2.3.3 - Messages: Wrong Status Information in the Conversation Overview

  - by Thomas Hoffmann

  On my HTC Desire Z with Android 2.3.3 I get from time to time the problem, that the status information ist wrong. That means status information says, that there is an unread, unsent or failed SMS, but this SMS is already deleted. Does anybody know, where I can reset this information? It must be stored anywhere in ContentResolver of content://mms-sms/conversations or content://sms/conversations on the thread-level, but I have no idea. Example: After I deleted a number of failed SMS in the non delivered SMS overview, the status of non delivered SMS was not reset in the Messages conversation overview though in each conversation there wasn't any undelivered SMS left.

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• How to create a delayed queue in RabbitMQ?

  - by eandersson

  What is the easiest way to create a delay (or parking) queue with Python, Pika and RabbitMQ? I have seen an similar questions, but none for Python. I find this an useful idea when designing applications, as it allows us to throttle messages that needs to be re-queued again. There are always the possibility that you will receive more messages than you can handle, maybe the HTTP server is slow, or the database is under too much stress. I also found it very useful when something went wrong in scenarios where there is a zero tolerance to losing messages, and while re-queuing messages that could not be handled may solve that. It can also cause problems where the message will be queued over and over again. Potentially causing performance issues, and log spam.

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• How can I dynamically add an <object> tag with JavaScript in IE?

  - by Detlef D. Doerscheln

  I have to add either an embed tag for Firefox or an object tag for Internet Explorer with JavaScript to address the appropriate ActiveX / Plugin depending on the browser. The plugin could be missing and needs to get downloaded in this case. The dynamically added embed tag for Firefox works as expected. The dynamically added object tag for Internet Explorer seems to do nothing at all. The object tag needs the following attributes to function properly. id ="SomeId" classid = "CLSID:{GUID}" codebase = "http://www.MyActicexSource.com/MyCuteActivex.CAB#Version=2,0,0,1" Even a general working idea or method would be nice. Thanks!

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• Resizing a UIButton programmatically by maintaining a margin

  - by Oscar Del Ben

  Hello, I'm adding a UIButton to a tableView footer programmatically. This button has a left and right margin that is equal to the tableView margin: UIButton *deleteButton = [UIButton buttonWithType:UIButtonTypeRoundedRect]; deleteButton.frame = CGRectMake(10, 60, 300, 34); deleteButton.autoresizingMask = UIViewAutoresizingFlexibleWidth I'm adding autoresizingMask because I want to support rotation. However, it does not work as I want, as the button stretches all the way down to the right, as shown by the image below. Any idea how to fix it? If I remove the autosizing property then the margin is correct.

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• Getting text from image on ios (image processing)

  - by Vikram.exe

  Hi, I am thinking of making an application that requires extracting TEXT from an image. I haven't done any thing similar and I don't want to implement the whole stuff on my own. Is there any known library or open source code (supported for ios, objective-C) which can help me in extracting the text from the image. A basic source code will also do (I will try to modify it as per my need). Kindly let me know if some one has any idea on this. Thanks, Vikram

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• Put text input inside label for radio button?

  - by Martijn

  I'm trying to make a radio group specifying a bunch of options, and an extra option "other" with a text input to specify. The code for this particular radio button I'm using is <input type='radio' name='RadioInput' value='Other' id='RadioInput_Other' /> <label for='RadioInput_Other'>Ohter: <input type='text' name='RadioInput_Other_Value' id='RadioInput_Other_Value' value='' /> </label> The idea is that if you give focus to the text input, the radio button corresponding to it is selected. The code above almost does this (since the text input is inside the label). However, it also shifts focus to the radio button (which is annoying, since whatever you type next is lost). Is there any way to prevent this using XHTML1.0 / CSS2? Preferably without using javascript.

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• Background job with status in rails

  - by pepernik

  Hey. I would like to upload a file and then parse it. Because parsing can take up to 10min I installed delayed_job plugin and called parsing function through send_later function. I have to mention that this is an AJAX app. Imagine that you press an AJAX button that starts upload and after that the source is imported into the database. During the process I want to show the progress bar or message (importing...) and when it completes the task status changes to done. My question is: What is the best way to check for status of the process. What would you do? My idea is to have another controller actions "status" which look into the database and provide the right status.

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• Oracle Application Server 10.1.3.5 Security issue.

  - by Marius Bogdan IONESCU

  Hello! we are tying to port a J2EE app from OAS 9.0.4 (working perfectly) on OAS 10.1.3.5 the reson we do that is because we need the app compiled with java 1.5 and OAS 10.1.3.5 would be the single major version supporting that binaries which has oc4j/orion kernel. The issue is that the security constraints in matter of user/group/role are not read by the app server, and instead of asking for these sets of users, i have to use the oc4jadmin instead the selected users for auth. All xml files needed for describing these sets of rules are being checked with the OAS book, and it seems they are correctly filled in... anybody has an idea about this?

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