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• Slime: frame-source-location not implemented / is my sldb Backtrace output normal?

  - by Joel

  I'm debugging my Lisp code in Slime. When the debugger generates the Backtrace it's my understanting that I can hit 'v' on a frame to take me to the source. When I do this on the first (0 index) frame (or indeed any frame) I get frame-source-location not implemented Is this expected, am I missing anything? Edit1: In addition every single frame has "No Locals", is this to be expected too? Edit2: In fact, the whole backtrace output is pretty unintelligible. I'm new to Lisp, so I wasn't initially sure if this was expected or not - but I'm attaching a screenshot, hopefully someone can confirm for me if this looks 'normal':

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• Windows Phone 7, download xml over ssl with authentication

  - by Snake

  Hi, I'm trying to download a file from my provider. The url is protected with basic username and password, and everything is sent over ssl. So I try to do this: WebClient proxy = new WebClient(); proxy.DownloadStringCompleted += (o, dscea) => System.Diagnostics.Debugger.Break(); proxy.Credentials = new NetworkCredential("username", "password"); proxy.DownloadStringAsync(new Uri("https://..../.../data.xml")); As you can see I try to validate. The data IS correct, and the code works when I try to download something from twitter. What am I forgetting to connect to this xml file?

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• VS 2008 and F# Feb CTP - Can't debug

  - by Steve

  I have downloaded the VS2008 integrated shell, and the F# Feb CTP and I have the F# environment working just fine. The problem comes when I try to debug. Nothing happens at all. The output window says ------ Build started: Project: ConsoleApplication1, Configuration: Debug Any CPU ------ ========== Build: 1 succeeded or up-to-date, 0 failed, 0 skipped ========== and none of my breakpoints are hit. My "program" is as simple as can be #light open System printfn "Hello World" Console.ReadKey(true) with breakpoints on the printfn and Console lines. The things I've read seem to suggest that debugging would work with this setup, and there is a debugger folder under common7/packages with files in it. Thanks for any help. EDIT: I'm on Win7 64 bit

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• Entry points on different urls possible?

  - by user246114

  Hi, I've got a typical gwt project, but am using some url rewriting techniques such that urls entered like: www.mysite.com/johndoe www.mysite.com/janedoe all get served by my main entrypoint project.jsp file. This works great when deployed. When I'm running in hosted mode, it's a total bummer because changing the url in the browser breaks the link with the hosted-mode debugging, such that when I make changes to the source in eclipse and refresh, those changes are not immediately shown. I need to recompile the app and relaunch, and we all know how long that takes. Is there any way to somehow get the hosted-mode environment to recognize that the same webapp is being served on these different urls, and just reconnect the debugging connection? We basically get: http://localhost:8888/myproject.jsp?gwt.codesvr=192.168.1.2:9997 when launching hosted mode, I'd like: http://localhost:8888/johndoe to just reconnect to the debugger, if possible. Thanks

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• regular expression on replace method of js not working

  - by user950146

  why this is not working var value = arr[row][col].replace(new RegExp('"', 'g'),'""'); Error : Webpage error details User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.2; Tablet PC 2.0) Timestamp: Tue, 10 Apr 2012 11:22:01 UTC Message: Object doesn't support this property or method Line: 1041 Char: 25 Code: 0 URI: http://example.com/? Message: Object doesn't support this property or method Line: 1041 Char: 25 Code: 0 URI: http://example.com/? Message: Object doesn't support this property or method Line: 1041 Char: 25 Code: 0 URI: http://example.com/? Note: : Error copied directly from debugger of IE8

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• Does it mean JVM Suspended?

  - by Joe.wang

  When my application run . I got a message says : Ping: Timed out waiting for signal from JVM. The JVM was launched with debug options so this may be because the JVM is currently suspended by a debugger. Any future timeouts during this JVM invocation will be silently ignored. What does that mean? It seems it will block any web request from outside? because when I upload a file to it, it failed. help me .

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• Flex: DateField how to get the value?

  - by Yevgeny

  I' m trying to use the DateField control. I can set the current value using the selectedDate field. Adobe says: "Selecting the currently selected date in the control deselects it, sets the selectedDate property to null", so when user selects other date the selectedDate = null. How do I can get the current selected value? I only saw in the debugger that DateField's text property contains the string with selected date? Do I need to parse it back? 10x in advance yevgeny

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• WCF client hangs on response

  - by JohnIdol

  I have a WCF client (running on Win7) pointing to a WebSphere service. All is good from a test harness (a little test fixture outside my web app) but when my calls to the service originate from my web project one of the calls is extremely slow to deserialize (it takes up to 10 times longer) and not just the first time. I can see from fiddler that the response comes back quickly but then the WCF client hangs on the response itself for more than a minute before the next line of code is hit by the debugger, almost if the client was having trouble deserializing. This happens only if in the response I have a given pdf string, base64 encoded chunked. If for example the service raises a fault (this pdf string is not there) then the response is deserialized immediately. Again, If I send the exact same envelope through Soap-UI or from outside the web project all is good. I am at loss - What should I be looking for and is there some config setting that might do the trick? Any help appreciated!

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• What are the exact versions of stuff you had to install in order to be able to step-debug a Scala pr

  - by Alex R

  How do YOU debug a Scala program? I mean YOU as in the person posting the Answer :) Please answer only from personal experience, not from stuff you've heard or read on the Internet. You should not believe everything you read on the Internet, especially tales of complex open-source software configurations that actually work :-) The are many Java tools which claim to support Scala in some way or another, but I have so far struck out in trying to get any one of them to actually let me set a breakpoint in Scala code and step through it. These are big, major open-source IDEs I'm talking about here. The main problem in getting a debugger to work seems to be the "version hell" with fast-changing IDEs, Plug-Ins, JDKs, and the Scala language itself. Hence the second part of my question, which is really the most important part: What is the exact version number of the IDE, Plug-In, JDK, Scala, and even Operating System, that you are successfully using? My question is related to this one, but wider in scope: http://stackoverflow.com/questions/2272705/how-to-debug-scala-code-when-outside-of-an-ide Thanks

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• Linq To Sql Entity Updated from Trigger

  - by James Helms

  I have a Table called Address. I have a Trigger for insert on that table that does some spacial calculations on the address that determines what neighborhood boundaries it is in. address = new Address { Street = this.Street, City = this.City, State = this.State, ZipCode = this.ZipCode, latitude = this.Latitude, longitude = this.Longitude, YearBuilt = this.YearBuilt, LotSize = this.LotSize, FinishedSize = this.FinishedSize, Bedrooms = this.Bedrooms, Bathrooms = this.Bathrooms, UseCode = this.UseCode, HOA = this.HOA, UpdateDate = DateTime.Now }; db.AddToAddresses(address); db.SaveChanges(); In the database i can clearly see that the Trigger ran and updated the neighborhoodID in the address table for the row. I tried to just reload that record to get the assigned id like this: address = (from a in db.Addresses where a.AddressID == address.AddressID select a).First(); In the debugger i can clearly see that the address.AddressID is correct, entity doesn't update in memory. Is there any work around for this?

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• What would prevent ASP.NET from Output Caching?

  - by amarsuperstar

  I have an ASP.NET application, and am trying to output cache a certain page, however on every request, the debugger is still hitting the OnLoad method and I get a 200 response back. I have placed the output cache directive on a page like so: <%@ OutputCache Duration="60" VaryByParam="None" %> And ensured I have the OutputCache module <add name="OutputCache" type="System.Web.Caching.OutputCacheModule"/> And have also bypassed URL rewriting just in case. I have tried this using Cassini and IIS 5.1 (XP), however the page is not caching at all. Are there any other factors which I have not looked at which could affect this feature? Thanks

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• onchange on dropdownlist

  - by Abu Hamzah

  my qeustion is continuation of what i have asked see the link. http://stackoverflow.com/questions/2640001/load-country-state-city i have expand to load my drop downs list from db and i just need a way to wire onchange method in my first dropdownlist and second, please see the code. appreciate any help. $(document).ready(function() { var options = { type: "POST", url: "SearchPage.aspx/LoadCountry", data: "{}", contentType: "application/json; charset=utf-8", dataType: "json", success: function(msg) { var returnedArray = msg.d; list = $("#country"); for (var i = 0; i { list.append("" + returnedArray[i].Name + ""); } error : function(msg) { debugger } } }; $.ajax(options); }); how would i do for STATE dropdownlist ?

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• UIWebview isn't displaying content I want it to display

  - by Knodel

  In my app I have a UIWebView which loads different rtf files. I use this function to load these files: - (void)loadFile:(NSString*)file { NSString* resourcePath = [[NSBundle mainBundle] resourcePath]; NSString* sourceFilePath = [resourcePath stringByAppendingPathComponent:file]; NSURL* url = [NSURL fileURLWithPath:sourceFilePath isDirectory:NO]; NSURLRequest* request = [NSURLRequest requestWithURL:url]; [webview loadRequest:request]; } The UIWebView displays nothing. When I enter the debugger, the file string value is which I need, but resourcePath and sourceFilePath values are "nil". What am I doing wrong? Thanks in advance!

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• How are clientside security vulnerabilities generally discovered?

  - by Jehjoa

  I mean in operating systems or their applications. The only way I can think of is examine binaries for the use of dangerous functions like strcpy(), and then try to exploit those. Though with compiler improvements like Visual Studio's /GS switch this possibility should mostly be a thing of the past. Or am I mistaken? What other ways do people use to find vulnerabilities? Just load your target in a debugger, then send unexpected input and see what happens? This seems like a long and tedious process. Could anyone recommend some good books or websites on this subject? Thanks in advance.

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• delete & new in c++

  - by singh

  Hi This may be very simple question,But please help me. i wanted to know what exactly happens when i call new & delete , For example in below code char * ptr=new char [10]; delete [] ptr; call to new returns me memory address. Does it allocate exact 10 bytes on heap, Where information about size is stored.When i call delete on same pointer,i see in debugger that there are a lot of byte get changed before and after the 10 Bytes. Is there any header for each new which contain information about number of byte allocated by new. Thanks a lot

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• problem loading resource from class library

  - by mishal153

  I have a class library (mylibrary) which has a resource called "close.png". I used redGate reflector to confirm that the resource is actually present in the dll. Now i use mylibrary.dll in a project where i attempt to extract this "close.png" resource like this : BitmapImage crossImage = new BitmapImage(); crossImage.BeginInit(); crossImage.UriSource = new Uri(@"/mylibrary;component/Resources/close.png", UriKind.RelativeOrAbsolute); crossImage.EndInit(); This BitmapImage crossImage is then used like : Button closeButton = new Button() { Content = new System.Windows.Controls.Image() { Source = crossImage }, MaxWidth = 20, MaxHeight = 20 }; On doing this i get no exceptions being thrown but the button shows no image. Also, i do see some exception info if i investigate the button's 'content' in the debugger.

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• xcode storyboard reverting in compile

  - by darren

  I started having some very odd behaviour in Xcode 4.5 recently. I made a change to a UITableViewController with static cells but the changes did not appear in the simulator and neither did my code changes. I removed the app from the simulator and ran clean on the project, then started again and all the changes appeared. I made another code change, ran the debugger via simulator and once again I saw my old UITableViewController values and my code changes were absent. This project is using storyboards, but I am not sure if this problem is related to just storyboards given my code changes are reverted as well. I am deeply confused here. Not even clean fixed this issue. Any thoughts or suggestions?

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• Mongoose 3.1.0: Why the callback in the connection.db.dropDatabase(callback) is never called?

  - by Totty

  Code: var connection = mongoose.createConnection('mongodb://localhost:9000/' + databaseName); connection.db.dropDatabase(function(err){ // never reach this point! debugger; console.log(err); console.log('-------------->Dropped database: ' + databaseName); }); If I do connection.open it says that it's already opening and no multiple calls to "open" are supported for the same connection. Even this doesn't work var conn = mongoose.createConnection('mongodb://localhost',databaseName, 9000, {}, function(){ console.log('created'); // is reached conn.db.dropDatabase(callback); // but the callback is not called anyway }); What is the problem? ("mongoose": "3.1.0") thanks

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• Javascript syntax error

  - by Mel

  Hello, I'm wondering if anyone can help me with a syntax error in line 14 of this code: The debugger says expected ')' after argument list on var json = eval('(' + content ')'); I tried adding a bracket, but it doesn't seem to be working. // Tooltips for index.cfm $(document).ready(function() { $('#catalog a[href]').each(function() { $(this).qtip( { content: { url: 'components/viewgames.cfc?method=fGameDetails', data: { gameID: $(this).attr('href').match(/gameID=([0-9]+)$/)[1] }, method: 'get' }, api: { beforeContentUpdate: function(content) { var json = eval('(' + content ')'); content = $('<div />').append( $('<h1 />', { html: json.TNAME })); return content; } }, }); }); });

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• JQuery not working in IE7/8

  - by user1665283

  I have been given the following code to implement: <script type="text/javascript"> $(document).ready(function(){ $('.hotspots a').bind('mouseover click', function() { $this = $(this); if($('.hotspot-target').data('hotspot')!=$this.attr('href')) { $('.hotspot-target').data('hotspot', $this.attr('href')); $('.hotspot-target').fadeOut(100, function() { $('.hotspot-target').css({backgroundImage: 'url('+$this.attr('href')+')'}); $('.hotspot-target .detail').hide(); $('.hotspot-target .detail.'+$this.attr('class')).show(); $('.hotspot-target').fadeIn(100); }); } return false; }) }); </script> It works fine in FF and Chrome with no errors in the console. I also can't see any errors in the IE debugger, though I'm not so used to how that works. Is there anything obviously wrong with the above code? It's placed at the end of the page

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• iPhone : Primitives getters and setters

  - by Burf2000

  I feel a bit miffed at the moment, I done a few iPhone projects that use floats and ints etc and all is fine. I now using OpenGL and GLFloat[] C arrays etc and it seems unless I make methods to set / get them it crashes on the device (not the simulator). Now as these are not setup as properties (I don't think c arrays can) it kind of makes sense. However the project has been working for months without them. It seems something in the code is wiping out anything float / ints to the point that the debugger can see an assigned value but accessing it crashes the phone. As soon as I think I know something for this platform, something changes my mind lol.

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• Is dynamic evaluation of xpath variable string possible using .net 2.0 xslt implementation?

  - by Crocked

  Hi, I'm trying to evaluate an xpath varable I'm building dynamically based on the position of the node. I can create the xpath string in a variable but when I select the value of this just get the string and not the node set I need. I use the following to create the xpath <xsl:variable name="xpathstring" select="normalize-space(concat(&quot;//anAttribute[@key='pos&quot;,position(),&quot;']&quot;))"/> and try to output the value with the following. <xsl:value-of select="$xpathstring"/> If I execute the xpath in my debugger I get the nodeset but in my xml output only get the xpath string which looks like this //anAttribute[@key='pos1'] I had a look at exslt dyn:evaluate which seems to enable this but this seems to be only supported by certain processors and doesn't provide a standalone implementation or at least as far as I could see (currently using the standard .net 2.0 xslt whihc is only xslt 1.0 as far as I recall) Is there anyway to handle this without changing processor? Kind Regards, Crocked

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• MVC 1.0 + EF: Does db.EntitySet.where(something) still return all rows in table?

  - by Dale

  In a repository, I do this: public AgenciesDonor FindPrimary(Guid donorId) { return db.AgenciesDonorSet.Include("DonorPanels").Include("PriceAdjustments").Include("Donors").First(x => x.Donors.DonorId == donorId && x.IsPrimary); } then down in another method in the same repository, this: AgenciesDonor oldPrimary = this.FindPrimary(donorId); In the debugger, the resultsview shows all records in that table, but: oldPrimary.Count(); is 1 (which it should be). Why am I seeing all table entries retrieved, and not just 1? I thought row filtering was done in the DB. If db.EntitySet really does fetch everything to the client, what's the right way to keep the client data-lite using EF? Fetching all rows won't scale for what I'm doing.

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• Setting enum values to 4-byte strings - why?

  - by psychotik

  I saw code similar to this in the Mac OS SDK: enum { kAudioFileStreamProperty_ReadyToProducePackets = 'redy', kAudioFileStreamProperty_FileFormat = 'ffmt', kAudioFileStreamProperty_DataFormat = 'dfmt', kAudioFileStreamProperty_FormatList = 'flst', kAudioFileStreamProperty_MagicCookieData = 'mgic', kAudioFileStreamProperty_AudioDataByteCount = 'bcnt', kAudioFileStreamProperty_AudioDataPacketCount = 'pcnt', kAudioFileStreamProperty_MaximumPacketSize = 'psze', kAudioFileStreamProperty_DataOffset = 'doff', kAudioFileStreamProperty_ChannelLayout = 'cmap', kAudioFileStreamProperty_PacketToFrame = 'pkfr', kAudioFileStreamProperty_FrameToPacket = 'frpk', kAudioFileStreamProperty_PacketToByte = 'pkby', kAudioFileStreamProperty_ByteToPacket = 'bypk', kAudioFileStreamProperty_PacketTableInfo = 'pnfo', kAudioFileStreamProperty_PacketSizeUpperBound = 'pkub', kAudioFileStreamProperty_AverageBytesPerPacket = 'abpp', kAudioFileStreamProperty_BitRate = 'brat' }; It's the first time I've seen this - I assume the compiler assigns the 32-bit integer equivalent of the strings to the enum values. I cannot think of a single good reason why this might be preferred over using simple integers. It looks hideous in a debugger (how do you tell which of these values corresponds to 1919247481?) and makes debugging just hard in general. So, is there any reason where assigning such strings to enum values actually makes sense.

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• Why does casting a NaN to a long yield a valid result?

  - by brainimus

  In the sample code below I am dividing by zero which when I step through it with the debugger the (dividend / divisor) yields an Infinity or NaN (if the divisor is zero). When I cast this result to a long I get a valid result, usually something like -9223372036854775808. Why is this cast valid? Why doesn't it stop executing (throw an exception for example) rather than assign an arbitrary value? double divisor = 0; double dividend = 7; long result = (long)(dividend / divisor);

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