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• How a web app identify if a click came from another web app via code?

  - by Diego

  Hi, we have a web application that users can take online reports from ou ERP system data... And we have another web application that is used by our teachers and employees. We can't change the ERP web app because its a closed DLL, in this case we made some extended functionality in our custom internal web app and we are willing to put this functionality on the "menu" of the ERP web app. I need to integrate the two applications in the following way: When I click in the menu of the ERP web app, I want that our internal web app assert that the click have come from our ERP web app and not typed in the URL, this is possible?

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• Why isn't my javascript working on a local HTML file using UIWebView loadRequest:?

  - by Raphael

  Hi Everyone, I have a script that generates a temporary HTML file that has links to external Javascript files that it requires to run. <script src="file:///Users/raphaeldefranco/Library/Application Support/iPhone Simulator/User/Applications/BA9E724E-76BD-4F28-B224-54B4C73786D6/LogTen.app/Reports/Time by Year/../../Tools/PlotKit/Base.js" type="text/javascript"></script> The links are absolute and they are to the right place (There is a CSS link as well that uses the same method and it works fine). I've been using the following, which finds images and CSS just fine but for some reason won't run the .js. [webView loadRequest:requestObj]; I've tried changing the encoding of the files. I had a problem getting the CSS to work until the file was in unicode, but so far no luck. All the Script files are bundled with my project etc. Thanks in advance!

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• Passing values for multi-value parameter in SSRS query string

  - by Andy Xufuris

  I have two reports built using SSRS 2005. The first report is set to navigate to the second when a specific field is clicked. There is a multi-value parameter on the second report. I need to pass multiple values for this parameter in the URL query string when calling this report. Is there a way to pass multiple values for a parameter in the query string of a report? Or can you pass a parameter that will cause the Select All value to be selected?

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• Excel Worksheet assignment in VB.Net doesn't compile

  - by Brian Hooper

  I'm converting a VB6 application into VB.Net and having trouble with the basics. I start off with:- Dim xl As Excel.Application Dim xlsheet As Excel.Worksheet Dim xlwbook As Excel.Workbook xl = New Excel.Application xlwbook = xl.Workbooks.Open(my_data.file_name) xlsheet = xlwbook.Sheets(1) but the last line doesn't compile; it reports Option Strict On disallows implicit conversion from 'Object' to 'Microsoft.Office.Interop.Excel.Worksheet' I can make this go away by replacing the line with xlsheet = CType(xlwbook.Sheets(1), Excel.Worksheet) but that does't look like the right thing to do to me. If the assignment is correct, I would have thought the object should naturally have the correct type. So: does anyone know what the correct thing I should be doing here?

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• Keeping Computer Science Writing Accessible and Eloquent

  - by Federer

  This question is particularly aimed at descriptions and explanations of what is happening in a computer program, as well as any general advice or approaches for undertaking technical reports in Computer Science at both undergraduate and graduate levels. You see, I am having particular difficulty in the best way to explain what is happening. As in, given any given program from a multi-agent system to a standard webservice, the best and most eloquent way to say exactly what is going on, the logic behind it and it's respective justifications. Should I avoid saying class names? Avoid specifying methods? Keep referring to class variables and any particular references? I'm banging my head against the wall at trying to keep a solid technical foundation and making it accessible to people of all backgrounds. Apologies for the rather vague question. Cheers.

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• Can I prevent a user from using windows task manager to end a process?

  - by Russ

  I have a c# 4.0 application that I hear grumblings and rumors about problems with. Now, this application has a global unhandled exception handler that reports back to me with errors. I also know that it works because SOME people fill it in, and submit it. It seems though; that a large number of people do NOT fill it in, but instead, use the Windows Taskmanager to end the process. Is it possible to prevent a user from using the Windows Taskmanager to end a specific process? My goal would be that if the application crashes, the form that the user is presented with prevents the process from being ended. I'll also accept steps that would prevent the Windows Taskmanager from being launched. I know I have seen some processes come up with an "Access Denied" prompt when I try to kill it in TaskManager, however I suspect that the windows team has made this very difficult, if not impossible to achieve.

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• My iPhone app has been downloaded by people all over the world, but has no use to anyone outside of

  - by Rob Lourens

  I wrote a basic free app for the bus schedule in my American university's town which was accepted into the app store on Saturday. Since then the app has been downloaded (assuming I'm reading the iTunes Connect reports right) 18 times in Canada, 6 times in Germany, and many times from other places all over the world. I can't figure out why all these people are downloading it... are there services automatically downloading free apps for some purpose that I can't even imagine? Should I put a price on it ASAP?

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• Render an asynchronous report, wider than the screen, without extra scrollbars

  - by Dubs

  I have an asynchronous local SSRS 2005 report that is of variable height and width, but routinely is bigger than the screen. I want to render it full size so that some of the report renders off screen and the only scrollbars the user sees are the ones on the browser window. What is the best way to accomplish this? The only method that I've found that even comes remotely close to what I want is to set static width/height values that are much larger than the report will ever be. But, this is undesirable since it leaves so much extra whitespace in the browser window. Has anyone had success rendering asynchronous reports without the extra scrollbars?

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• Retrieve web user's Identity outside of request scope

  - by Kendrick

  I have an ASP.NET app that logs Audit reports using nHibernate's IPreUpdateListener. In order to set the current user in the Listener events, I was using System.Security.Principal.WindowsIdentity.GetCurrent(). This works fine when debugging on my machine, but when I move it to the staging server, I'm getting the ASP.NET process credentials, not the requesting user. In the ASP.NET page, I can use Request.LogonUserIdentity (which works fine since I'm using integrated authentication), but how do I reference this user directly without having to pass it directly to my event? I don't want to have to pass this info through the pipeline because it really doesn't belong in the intermediate events/calls.

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• Do I need to syncronize thread access to an int

  - by Martin Harris

  I've just written a method that is called by multiple threads simultaneously and I need to keep track of when all the threads have completed, the code uses this pattern: private void RunReport() { _reportsRunning++; try { //code to run the report } finally { _reportsRunning--; } } This is the only place within the code that _reportsRunning's value is changed, and the method takes about a second to run. Occasionally when I have more than six or so threads running reports together the final result for _reportsRunning can get down to -1, if I wrap the calls to _runningReports++ and _runningReports-- in a lock then the behaviour appears to be correct and consistant. So, to the question: When I was learning multithreading in C++ I was taught that you didn't need to synchronize calls to increment and decrement operations because they were always one assembly instruction and therefore it was impossible for the thread to be switched out mid-call. Was I taught correctly, and if so how come that doesn't hold true for C#?

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• Including full LaTeX documents within others.

  - by Chris Clarke

  I'm currently finishing off my dissertation, and would like to be able to include some documents within my LaTeX document. The files I'd like to include are weekly reports done in LaTeX to my supervisor. Obviously all documents are page numbered seperately. I would like them to be included in the final document. I could concatenate all the final PDFs using GhostScript or some other tool, but I would like to have consistent numbering throughout the document. I have tried including the LaTeX from each document in the main document, but the preamble etc causes problems and the small title I have in each report takes a whole page... In summary, I'm looking for a way of including a number of 1 or 2 page self-complete LaTeX files in a large report, keeping their original layouts, but changing the page numbering.

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• Locking DB w/ Large Reads (Ruby-on-Rails/Heroku)

  - by Splashlin

  Currently I have a Web API running on Heroku that is constantly writing information we're collecting from other data sources (currently theres about half a GB of data and it's growing very quickly). We're looking to add a reporting system on top of the current database that we can use to extract useful information out of the DB. The problem is that when we're running reports we're locking the DB and any other sites communicating with the DB are timing out. Does anyone have any solutions on how to solve this type of issue? Amazon RDS seems to have some interesting stuff with database replication but I don't know if that will solve my problems. Any advice would be greatly appreciated. Thanks

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• What's the best approach to printing/reporting from WPF?

  - by Matt Hamilton

  I have an upcoming project which will have to be able to print simple reports from its data. It'll be WPF-based, and I'm wondering which way to go. I know that WPF introduces its own printing technology (based on XPS) which looks quite easy to use. However, part of me wonders whether it would just be easier to use the ReportViewer control and embed it in a Windows Forms host control, since that will give users the ability to export to a variety of formats as well as print. Has anyone had any experience with printing/reporting from WPF? Which direction would you recommend?

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• JSON Syntax, what is this?

  - by danp

  I understand concepts of JSON ok, but after starting to use ebay's api, I came across a notation which I've not seen before, and was wondering if anyone could explain what's going on with it? { "findItemsByKeywordsResponse": [ { "ack": [ "Success" ], "version": [ "1.5.0" ], "timestamp": [ "2010-06-16T08:42:21.468Z" ], "searchResult": [ { "@count": "0" } ], "paginationOutput": [ { "pageNumber": [ "0" ], "entriesPerPage": [ "10" ], "totalPages": [ "0" ], "totalEntries": [ "0" ] } ] } ] } What's the "@count" thing? I noticed when I reference it in chrome, it throws an error: But in Firefox not. JSON Lint reports it's valid, as I'd expect... ;)

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• Money type field returns Dollar, but regional set to UK (Windows 7)

  - by Gareth

  Hi, On a Windows 7 machine with Advantage Data Architect version 9.10.0.11, money type data is returned as Dollars, instead of Pounds. Sometimes, it will suddenly switch to Pounds, without me changing any settings. Everything else returns Pounds correctly (regional settings is UK with £ as the currency symbol). Has anyone else had this problem and/or found a solution? If I run any reports using the money data type field I can't be sure that it's going to be accurate. And no, I can't change the field type and handle the currency symbol myself. Any help would be appreciated.

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• Running Firefox in the Windows service mode

  - by Leonid

  I'm writing a server running as a Windows service that by request invokes Firefox to generate a pdf snapshot of a webpage. I know it is a bad idea to run a GUI program in service mode, but the server nature of my program restricts from running it in the user mode. Running a user-level 'proxy' also is not an option, since there might be no interactive user logged-in on the machine with the server running. In my experiments Firefox successfully produced pdf when the service was running under a user account that was already logged-in. Obviously it didn't work in other cases: for Local System and user accounts that weren't logged-in. Under LocalSystem with 'Allow service to interact with desktop' option enabled I could see the Firefox started that reports that it's unable to find a printer. Since it wouldn't be practical to require an opened user session for the pdf server to run, is there any workaround for this except running the whole thing from a virtual machine?

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• iPhone/iPad fatal error in C++ code produces no output in the log

  - by morgancodes

  I'm trying to move away from Objective-C to C++ for audio in my iPad programming, due to the a few reports I've heard of Objective-C selectors sometimes causing audio glitches. So I'm starting to use pure C++ files. When a fatal error happens in one of the C++ files, I get no output from the log. The app just crashes. For example, if I do this in my C++ file: env = new ADSR(); cout << "setting env to null\n"; env = NULL; env->setSustainLevel(1); cout << "called function on non-initialized env\n"; I get the following output: setting env to null After that, there's a method called on NULL, which apparently kills the app, but absolutely nothing to that effect is reported. What do I need to do to have useful information logged when there's an error in my C++ code?

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• Do programmable Ethernet devices (think onboard CPU) really exist?

  - by PeterM

  I've heard from various people that programmable Ethernet cards exist and are easily available. However I have yet to be able to track down one of these mythical devices so I'm wondering if they're just that - a myth. Such a programmable card has a gigabit Ethernet interface, has a programmable CPU and connects to the host system via PCI Express. The problem area these cards address are low latency network applications where the card itself does the work and "reports back" to the operating system. Basically the card acts as a co-processor and handles all the low latency requirements on the card, thus avoiding the issues of writing low latency code in user-land - think 0.4ms - 0.5ms response times. So my question is, do these cards really exist and if so, where can I get my hands on one?

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• MySQL Accept Any Password

  - by George

  Suppose that I have a test server with a large group of test accounts. The test accounts have unknown passwords which are hard-coded into the application's reports and are stored encrypted in the mysql.users table. Is there any option or hack which can be used to make mysql accept any text as the "correct" password for an account? For example: Update mysql.user Set Password="*" where 1=1 Note: The above line wouldn't work because it would literally set the password to "*" and not the wildcard character. However, I am looking for a way to create a mysql account which would accept anything as a valid password. This machine is disconnected from the network and I have full access to the mysql database...

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• Erlang: configuring cover via rebar

  - by exterm

  My project is using a websocket server. Only for testing purposes, I also have an erlang websocket client implementation which resides in the test/ folder along with the tests. Now, when I run the tests via rebar with {cover_enabled, true} in my rebar.config, I also get coverage reported for the modules of the websocket client. I don't want this in my reports. Cover documentation says I should create a cover specification file containing {excl_mods, [websocket_client]}. But how do I convince rebar to use this file? Cover documentation: http://www.erlang.org/doc/apps/common_test/cover_chapter.html http://www.erlang.org/doc/man/cover.html rebar: https://github.com/basho/rebar

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• Why the actionscript 3.0 snippet below failed to import Button and TextInput?

  - by user198729

  package { import fl.controls.Button; import fl.controls.TextInput; public class MinRecord extends Sprite { private var recordBtn:Button; private var stopBtn:Button; private var textInput:TextInput; ... When I run it reports: Type was not found or was not a compile-time constant: Button. Type was not found or was not a compile-time constant: TextInput. Can someone point out what's wrong here?

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• What can cause Java to keep running after System.exit()?

  - by uckelman

  I have a Java program which is being started via ProcessBuilder from another Java program. System.exit(0) is called from the child program, but for some of our users (on Windows) the java.exe process associated with the child doesn't terminate. The child program has no shutdown hooks, nor does it have a SecurityManager which might stop System.exit() from terminating the VM. I can't reproduce the problem myself on Linux or Windows Vista. So far, the only reports of the problem come from two Windows XP users and one Vista user, using two different JREs (1.6.0_15 and 1.6.0_18), but they're able to reproduce the problem every time. Can anyone suggest reasons why the JVM would fail to terminate after System.exit(), and then only on some machines?

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• looking for RTF template system with simple DSL

  - by 01

  Is there any framework that fills up rtf document with data? The idea is to make business people/testers change the document in MsWord and than generate reports from that. The problem is with tables, Id need to create some special DSL for handling tables and showing hidding text/page parts. Id rather not do that and use some existing solution. I tried to search for something, but I only found frameworks that can produce rtf output from xml input and i want to use rtf as input and output.

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• Assigning data to an <li> element?

  - by user246114

  Hi, I am generating some list items as a result of a search, and I want to attach some data to each list element from the search (possibly a bad idea to merge ui and data), but now curious about it. I am doing this: var element = $("<li>Hello</li>); element.mydata = "foo"; element.appendTo("#panelParent"); so I'm just assigning my stuff to element.mydata. My click handler reports that no such data exists for the element when clicked: $('#panelParent').delegate('li', 'click', function() { // this.mydata is undefined. }); where did it go to? I could keep the data external to the a list item element, was wondering if there's a convenient way like this to just keep it bound though? Thanks

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• What's a very easy C++ profiler (VC++)?

  - by John

  I've used a few profilers in the past and never found them particularly easy. Maybe I picked bad ones, maybe I didn't really know what I was expecting! But I'd like to know if there are any 'standard' profilers which simply drop in and work? I don't believe I need massively fine-detailed reports, just to pick up major black-spots. Ease of use is more important to me at this point. It's VC++ 2008 we're using (I run standard edition personally). I don't suppose there are any tools in the IDE for this, I can't see any from looking at the main menus?

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