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  • Winforms application hungs when switching to another app

    - by joseluisrod
    Hi, I believe I have a potential threading issue. I have a user control that contains the following code: private void btnVerify_Click(object sender, EventArgs e) { if (!backgroundWorkerVerify.IsBusy) { backgroundWorkerVerify.RunWorkerAsync(); } } private void backgroundWorkerVerify_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e) { VerifyAppointments(); } private void backgroundWorkerVerify_RunWorkerCompleted(object sender, System.ComponentModel.RunWorkerCompletedEventArgs e) { MessageBox.Show("Information was Verified.", "Verify", MessageBoxButtons.OK, MessageBoxIcon.Information); CloseEvent(); } vanilla code. but the issue I have is that when the application is running and the users tabs to another application when they return to mine the application is hung, they get a blank screen and they have to kill it. This started when I put the threading code. Could I have some rogue threads out there? what is the best way to zero in a threading problem? The issue can't be recreated on my machine...I know I must be missing something on how to dispose of a backgroundworker properly. Any thoughts are appreciated, Thanks, Jose

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  • libpcap IP Packet Reassembly

    - by holydiver
    Hello all, I'm looking for a sample code for IP packet reassembly in C with libpcap*. Is IP packet defragmentation implemented in libpcap library officially? I've found this proposal : http://www.mail-archive.com/[email protected]/msg02991.html[this][1] . Are there any implementation of defragmentation of IP packets. [1]: http://www.mail-archive.com/[email protected]/msg02991.html [+] *The reason for looking for the sample code is just for fun and learning and i don't want to spend too much time for writing code for IP packet reassembly.

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  • What is technically more advanced: Brainf*ck or Assembler?

    - by el ka es
    I wondered which of these languages is more powerful. With powerful I don't mean the readability, assembler would be naturally the winner here, but something resulting from, for example, the following factors: Which of them is more high-level? (Both aren't really but one has to be more) Who would be the possibly fastest in compiled state? (There is no BF compiler out there as far as I know but it wouldn't be hard writing one I suppose) Which of the both has the better code length/code action ratio? What I mean is If you get to distracted by the, compared to Brainf*ck, improved readability of assembler, just think of writing plain binary/machine code as what assembler assembles to. Both languages are so basic that it should be possible to answer the question(s) in a rather objective view, I hope.

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  • C# VSTO: Coloring pivottable cells

    - by tomboz
    HI, I'm trying to make some code color a PivotTable. It works just fine coloring the cells it's supposed to, but if I refresh the table, all the colors disappear, as if the colors haven't been properly attached to the PivotTable. I have the following code (this is a snip from a larger code): myPivotTable.PivotSelect("'" + item["Name"].ToString() + "'[All;Total]", XlPTSelectionMode.xlDataAndLabel, true); ((Range)Globals.ThisWorkbook.Application.Selection).Interior.Color = 15962653; I've tried doing a macro in Excel in VB, and when it runs, it work works perfectly, so I don't understand why the C# VSTO won't work... ActiveSheet.PivotTables("PivotTable1").PivotSelect "'ItemName'[All;Total]", xlDataAndLabel, True Selection.Interior.Color = 15962653 Help is much appreciated :)

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  • Should I match the curly brace usage of the previous author?

    - by Error 454
    When working on code from multiple authors, I often encounter the issue of curly-brace preference (same line vs new line). Is it good/bad practice or even a non-issue when it comes to matching the existing style vs using your own preference? Does the situation change if you are adding new code to a Class vs modifying existing code? Finally, if style should be matched, how far should the match propagate? i.e. the file, the class, subclasses etc. Example: if(this) { doThat(); } Vs. if(this){ doThat(); }

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  • need help figuring out dynamic menu generation in django

    - by photographer
    I need to dynamically generate a code like this in the resulting html: <p>>> gallery one</p> <p><a href="../gallery2">gallery two</a></p> <p><a href="../about">about the author</a></p> <p><a href="../news">our news</a></p> I do have menu_code string variable created in views.py (it is generated depending on an item number of the current page passed — 1 in the case above), which contains that long string with the code shown above. It is (well, supposed to) passed by locals() into the html template (all other variables are passed that way successfully): return render_to_response('gallery_page.html', locals()) I have this: {% include menu_code %} inside the template html. But instead of being interpreted as code it is just shown as text in the browser. What am I doing wrong? How to make it work as a dynamically generated menu?

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  • RETRIVE XPATH OF AN XML ELELEMNT BY USING ITS VALUE

    - by user299938
    My XmlFile looks like this: <?xml version="1.0"?> <document-inquiry> <publication-reference data-format="docdb" xmlns="http://www.epo.org/exchange"> <document-id> <country>EP</country> <doc-number>2160088</doc-number> <kind>A1</kind> </document-id> </publication-reference> </document-inquiry> For the above xml i need to get the xpath of a specific element say for example "country element" as My Output: "/document-inquiry/publication-reference/document-id/country" My Input : By using its value "EP" This is the code i tried doc.SelectSingleNode("/document-inquiry/publication-reference/document-id[text()='EP']"); I receivev null for the above code. I have to get it using the c# code. Can anyone pls help me on this

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  • Showing HTML comment strings (<!-- -->) in HTML files

    - by Andrei
    Hello all. I'm building a source code search engine, and I'm returning the results on a HTML page (aspx to be exact, but the view logic is in HTML). When someone searches a string, I also return the whole line of code where this string can be found in a file. However, some lines of code come from HTML/aspx files and these lines contain HTML specific comments (). When I try to print this line on the HTML page, it interprets it as a comment and does not show it on the screen....how should I go about solving this so that it actually shows up? Any help would be welcomed. Thanks. edit: err...i see now that firebug could help me with this: <!-- -->

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  • Getting Started with Python: Attribute Error

    - by Nacari
    I am new to python and just downloaded it today. I am using it to work on a web spider, so to test it out and make sure everything was working, I downloaded a sample code. Unfortunately, it does not work and gives me the error: "AttributeError: 'MyShell' object has no attribute 'loaded' " I am not sure if the code its self has an error or I failed to do something correctly when installing python. Is there anything you have to do when installing python like adding environmental variables, etc.? And what does that error generally mean? Here is the sample code I used with imported spider class: import chilkat spider = chilkat.CkSpider() spider.Initialize("www.chilkatsoft.com") spider.AddUnspidered("http://www.chilkatsoft.com/") for i in range(0,10): success = spider.CrawlNext() if (success == True): print spider.lastUrl() else: if (spider.get_NumUnspidered() == 0): print "No more URLs to spider" else: print spider.lastErrorText() # Sleep 1 second before spidering the next URL. spider.SleepMs(1000)

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  • OMAP 3530: How fast can I toggle an IO?

    - by raj.tiwari
    I am putting together an application for OMAP 3530 SoC. This application will run some user interface code on embedded linux and invoke waveform generation code on the DSP. The DSP and Linux sides will interact over DSP/BIOS link. My questions are: What is the highest frequency at which my DSP-side code can toggle a GPIO line? If I want to toggle multiple GPIO lines at this hight rate, how fast can I go? Thanks for any insights. -Raj

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  • How to make php closure compiler write to a predefined file name?

    - by Mohammad
    I'm quite embarrassed to ask this but I've been trying to figure it out all day with no luck. http://code.google.com/p/php-closure/source/browse/trunk/php-closure.php on Line 172 the write() function get the md5 encoded name via the _getHash() function on Line 276. I was wondering how I could alter this code to write the compiled code to a predefined name like copiled_code.js I've tried altering the _getCacheFileName() function on Line 272 to this function _getCacheFileName() { //return $this->_cache_dir . $this->_getHash() . ".js"; return 'copiled_code.js'; } without any results. Thanks to all of you in advance!

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  • How do I properly unit test a Django session?

    - by thebossman
    The behavior of Django sessions changes between "standard" views code and test code, making it unclear how test code is written for sessions. Googling this yields two relevant discussions about this issue: Easier manipulation of sessions by test client test.Client.session.save() raises error for anonymous users I'm confused because both tickets have different ways of dealing with this problem and they were both Accepted. I assume this means they were patched and the behavior is now different. I also don't know to which versions these patches would pertain. If I'm writing a unit test in Django 1.0, how would I set up my session store for sessions to work as they do in the browser?

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  • asp.net ajax, change asp:image imageurl

    - by maxxxee
    I have an update panel within which a sortable grid is present. While sorting, I have to change an image which shows the sort direction. The sort is an ajax operation initiated by a linkbutton for each column. Everything works fine except the image control. I am able to toggle visible property to show and hide it but, not able to change the ImageUrl property. imagesort.ImageUrl = "~/images/asc.jpg"; imagesort.Visible = true; The above code shows the image but the image is always the imageurl given in the markup not what is set in the code. If imageurl is not specified in the markup, no image(broken image) is shown irrespective of the above code.

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  • ASP Mail Error: The event class for this subscription is in an invalid partition

    - by JFV
    I have some ASP code that I've "inherited" from my predecessor (no, it's not an option to update it at this time...It would take an act of not only Congress, but every other foreign country too) and I'm having an issue sending mail on one of the pages. It is an almost identical code snippet from the other page, but this one throws an error when I try to 'Send'. Code below: Set myMail=CreateObject("CDO.Message") myMail.Configuration.Fields.Item("http://schemas.microsoft.com/cdo/configuration/sendusing")=2 'Name or IP of remote SMTP server myMail.Configuration.Fields.Item("http://schemas.microsoft.com/cdo/configuration/smtpserver")="localhost" 'Server port myMail.Configuration.Fields.Item("http://schemas.microsoft.com/cdo/configuration/smtpserverport")=25 myMail.Configuration.Fields.Update myMail.Subject="Subject" myMail.From=from_email myMail.To=email myMail.TextBody= "Body Text of message" myMail.Send The error thrown is: Error Type: (0x8004020F) The event class for this subscription is in an invalid partition I'd appreciate any and all help!!! Thanks! JFV

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  • RPX API Call auth_info is returning "missing parameter" error

    - by James Lawruk
    I cannot get the RPX auth_info API call to work. It keeps returning the error: "Missing parameter: apiKey" I am using the C# RPX Helper Class provided on their Wiki:RPX Helper Class Below is my code in my Page_Load method. The RPX service works by sending a POST to a Url that I specify. My code gets the token from the post data shown below. Then I call the AuthInfo API method. string token = Request.Params["token"]; string apiKey = "xxxxxxxxxxxxxxx"; //my API key Rpx rpx = new Rpx(apiKey, "http://rpxnow.com"); XmlElement xmlElement = rpx.AuthInfo(token); Everything looks good. The token is populated. Within their code, the "apiKey" value pair is added to the post data written to the Request stream. Has anyone had luck with this? Any ideas why this is not working? Thanks.

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  • setUserCredentials from Google data api is stuck

    - by yogsma
    Well, since I am facing some issues with OAuth implementation, I decided to go back to normal method where users will input their login id and password and I will use them in my code to validate their google account to fetch calendar information. So when user enters login id and password, the page is getting stuck. When I check the code, setUserCredentials is the method where it is getting stuck. But when I enter my login id and password and debug on development site, it works fine. There is no problem when I debug. And importantly , the problem appears for first time only, once I debug the code and next time I try it without breakpoint, it works fine. Does anyone know why setUserCredentials takes time or any way I can track why it is taking so time? I have asked the same question on Google data api forum, but nobody answered it.

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  • Tweepy + App Engine Example OAuth Help

    - by Wasauce
    Hi I am trying to follow the Tweepy App Engine OAuth Example app in my app but am running into trouble. Here is a link to the tweepy example code: http://github.com/joshthecoder/tweepy-examples Specifically look at: http://github.com/joshthecoder/tweepy-examples/blob/master/appengine/oauth_example/handlers.py Here is the relevant snippet of my code [Ignore the spacing problems]: try: authurl = auth.get_authorization_url() request_token = auth.request_token db_user.token_key = request_token.key db_user.token_secret = request_token.secret db_user.put() except tweepy.TweepError, e: # Failed to get a request token self.generate('error.html', { 'error': e, }) return self.generate('signup.html', { 'authurl': authurl, 'request_token': request_token, 'request_token.key': request_token.key, 'request_token.secret': request_token.secret, }) As you can see my code is very similar to the example. However, when I compare the version of the request_token.key and request_token.secret that are rendered on my signup page (this is for the request_token.key and request_token.secret found in the datastore. Any guidance on what I am doing wrong here? Thanks! Reference Links:

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  • Is there any way to automatically break into debugger when my class library functions are getting ca

    - by mishal153
    I have a managed class library (say mylib.dll) and a 3rd party managed app (say app.exe) which is using mylib.dll. I have the code of mylib.dll but not of the app.exe. So currently what i do is i build mylib.dll, copy it to app.exe's directory, start app.exe and attach to the process. That way if i put breakpoints in code mylib.dll , i see them being hit. But is there anyway to automatically break in code of mylib.dll whenever any external application calls one of its exposed methods ? ie. Only for entrypoints of the dll. thanks, Mishal

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  • Monodevelop: `Waiting for debugger to connect...`

    - by Nicolas Raoul
    I am trying to debug this Mono desktop software in Monodevelop. I imported the SLN file, ran Build all with success, but when I press the Debug button I get this popup that stays waiting forever saying Waiting for debugger to connect...: The output says: User assembly '/home/nico/src/SparkleShare/SparkleShare/bin/SparkleShare.exe' is missing. Debugger will now debug all code, not just user code. Am I doing something wrong? Monodevelop 2.8.6.3 on Ubuntu 2012.04. Nothing special appears on the console with monodevelop -v -v -v. When I press Run instead of Debug, the app crashes immediately saying The application exited with code: 255, but I need Debug to find where the problem is. Note: It is not the same problem as this question, which is about MonoTouch waiting for a phone simulator... the suggestions over there are about the simulator or updating XCode... no simulator nor XCode here.

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  • javascript date and loop check

    - by StealthRT
    Hey all, this is the code i have to check for a day thats equal to the list of days in the comma seperated list: for(var i = 0; i < daysHidden.length; i++){ if (daysHidden[i] == d.getDate()); { alert(daysHidden[i] + '=' + d.getDate()); } } the daysHidden = 1 (its the only thing in the list April 1st is already gone and todays the 2nd so 1 is the only one in the list) and d.getDate() has 1-30 (for april) When i run the code, however, it keeps looping through the if code when it should only loop once (when it finds that 1=1 However, i keep getting the alert box that says: 1=1 1=2 1=3 etc.... 1=30 So i do not know what i am doing incorrect? I already tried putting them as strings: if (daysHidden[i].ToString == d.getDate().ToString); But that doesnt seem to work.... Any help would be great :) David

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  • Converting C# void* to byte[]

    - by Yurik
    In C#, I need to write T[] to a stream, ideally without any additional buffers. I have a dynamic code that converts T[] (where T is a no-objects struct) to a void* and fixes it in memory, and that works great. When the stream was a file, I could use native Windows API to pass the void * directly, but now I need to write to a generic Stream object that takes byte[]. Can anyone suggest a hack way to create a dummy array object which does not actually have any heap allocations, but rather points to an already existing (and fixed) heap location. This is the pseudo-code that I need: void Write(Stream stream, T[] buffer) { fixed( void* ptr = &buffer ) // done with dynamic code generation { int typeSize = sizeof(T); // done as well byte[] dummy = (byte[]) ptr; // <-- how do I create this fake array? stream.Write( dummy, 0, buffer.Length*typeSize ); } }

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  • Can't get websrvmng to run in Plesk SSH terminal.

    - by JohnB
    I am following this MediaTemple KB article and stuck at the last step. When I try to run the websrvmng (using the ssh terminal in Plesk) using the code the KB references: /usr/local/psa/admin/sbin/websrvmng -v -a I receive a 'File or Directory not found' error. I am a n00b when it comes to this stuff and would really appreciate any advice/suggestions for how to get websrvmng to run. I have searched through tons of articles on it but found nothing more illuminating than the above code. I am sure I'm overlooking something simple (login as root to run? something I need to replace in the code like usr?). It is a MediaTemple DV server running CentOS 5 and as I said using Plesk. I desperately need to get this to work and I am pulling my hair out, so as I said any help would be greatly appreciated.

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  • Custom UITableViewCell not properly hiding views

    - by adamweeks
    I am using apple's custom table view cell code and modifying the drawRect code within the cell's view to look like I want it to. I've changed it to have some UILabels as well as a UIProgressView. If the data the cell is being built on doesn't have a certain field, I want the UIProgressView to be hidden. This works for a little while, but when a cell gets requeued, the progress view will start displaying again, even when I set it to hidden = YES. I've tried just not creating the ProgressView unless the data was there and that didn't work either. I thought the answer was in the [self setNeedsDisplay] but that doesn't seem to help. Here is the code for the progressview from drawRect that continues to be displayed: UIProgressView *c1Progress = [[UIProgressView alloc]initWithFrame:CGRectMake(20.0, 70.0, 280.0, 12.0)]; float iProgress = (value / target); c1Progress.progress = iProgress; if (!dataExists) { c1Progress.hidden = YES; } [self addSubview:criteria1Progress]; [c1Progress release];

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  • SSIS - Upgrade from 2005 to 2008 - How to set a project property when I don't have a project

    - by Greg
    I have about 160 SSIS packages that I'm trying to upgrade from 2005 to 2008. When I run SSISUpgrade.exe on them, I get the following error messages on many of the packages: Error 0xc0209303: ...: SSIS Error Code DTS_E_OLEDB_NOPROVIDER_64BIT_ERROR. The requested OLE DB provider MICROSOFT.JET.OLEDB.4.0 is not registered -- perhaps no 64-bit provider is available. enter code here`Error code: 0x00000000. An OLE DB record is available. Source: "Microsoft OLE DB Service Components" Hresult: 0x80040154 Description: "Class not registered". This fellow says that to fix this I need to set the run64bitruntime debugging property to False. However each of these packages exists outside of a project file. How can I set this property without having a project file?

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  • Creating a Cross-Process EventWaitHandle

    - by Navaneeth
    I have two windows application, one is a windows service which create EventWaitHandle and wait for it. Second application is a windows gui which open it by calling EventWaitHandle.OpenExisting() and try to Set the event. But I am getting an exception in OpenExisting. The Exception is "Access to the path is denied". windows Service code EventWaitHandle wh = new EventWaitHandle(false, EventResetMode.AutoReset, "MyEventName"); wh.WaitOne(); Windows GUI code try { EventWaitHandle wh = EventWaitHandle.OpenExisting("MyEventName"); wh.Set(); } catch (Exception ex) { MessageBox.Show(ex.Message); } I tried the same code with two sample console application, it was working fine.

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