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• Visual Studio Debugging Issue

  - by Aaron M

  Seeing an issue when debugging in Visual Studio. All of the values under watch, and in the hover over window show up incorrectly. the only values that show properly, are values that are local to the method I am currently stepping through. For example the watch value for 'this' when debugging shows the following under value 0x00000000ffac0388 { btnBack=0x00000000ffaccf20 btnReply=0x00000000ffacd200 btnForward=0x00000000ffacd420...} some other variables show this, even though the variable is there. error: 'this.foo' does not exist The machine recently had windows 7 64 installed, since then this problem has occured. Visual studio has been reinstalled on this machine, and we verified that the settings in visual studio were exactly the same as a different PC that is the same machine and config.

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• Preventing $.POST hijack

  - by Jamie

  I'm currently building a facebook application. Lets say I have a variable $uid that identifies the user so I can store this in my database along with their submitted data. I pass $uid and $data via json encoded values using $.post. However, this doesn't prevent someone changing $uid to save data as someone else. I have been thinking about how to overcome this, so far I haven't found a solution apart from: create database with $uid $secretkey on first page load. When $.post send $secretkey with the post and then retrieve the $uid from the database. Would this be the correct approach to use?

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• Trouble parsing NMEA data from Serial Port.

  - by rross

  I'm retrieving NMEA sentences from a serial GPS. Then string are coming across like I would expect. The problem is that when parsing a sentence like this: $GPRMC,040302.663,A,3939.7,N,10506.6,W,0.27,358.86,200804,,*1A I use a simple bit of code to make sure I have the right sentect: string[] Words = sBuffer.Split(','); foreach (string item in Words) { if (item == "$GPRMC") { return "Correct Sentence"; } else { return "Incorrect Sentence } } I added the return in that location for the example. I have printed the split results to a text box and have seen that $GPRMC is indeed coming across in the item variable at some point. If the string is coming across why won't the if statement catch? Is is the $? How can I trouble shoot this?

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• How to read formatted input in python?

  - by eSKay

  I want to read from stdin five numbers entered as follows: 3, 4, 5, 1, 8 into seperate variables a,b,c,d & e. How do I do this in python? I tried this: import string a=input() b=a.split(', ') for two integers, but it does not work. I get: Traceback (most recent call last): File "C:\Users\Desktop\comb.py", line 3, in <module> b=a.split(', ') AttributeError: 'tuple' object has no attribute 'split' How to do this? and suppose I have not a fixed but a variable number n integers. Then?

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• How to get the PrintDocumentImageableArea for a given PrintQueue without going through PrintDialog?

  - by Patrick Klug

  From MSDN (link): The type PrintDocumentImageableArea has no public constructor. Hence, the variable documentImageableArea must be declared and assigned to Nothing and only then passed to the method. This method displays a PrintDialog requiring input from the user. After the user has selected a printer, paper size, and orientation and closed the dialog, documentImageableArea points to an actual object and its properties are initialized. I have my custom print dialog and need to get the PrintDocumentImageableArea of a given PrintQueue and PrintTicket! (I need the margin's I need to apply) From what I can gather it is quite common for anything but the most basic applications to use their own custom print dialog. There must be a way to get to this information!? Any input appreciated!

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• Special case when calling InvokeScript with the winforms WebBrowser control does not work

  - by wang-min

  I am trying to use InvokeScript method on the WebBrowser control to execute a script on the web page that has been loaded into my WebBrowser control. If I am calling just a simple javascript function, this works properly. However, the javascript function that I am trying to call is nested within a variable like this: var holder = { DoA: function() { .... }, DoB: function() { ..... } } Calling holder.DoA works fine when called from within the javascript, but the function is not called successfully when I try to call it from within my C# code like this: object obj1 = m_webBrowser.Document.InvokeScript("holder.DoA"); Any ideas?

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• jQuery.each for lists and non-lists

  - by Brian M. Hunt

  I've a jQuery.each(data, foo), where data is either a string or a list of strings. I'd like to know if there's an existing utility function to convert the string to a list, or otherwise perform foo on just the string. So instead of the easy route: if (!$.isArray(data)) { foo(0, data); // can't rely on `this` variable } else { $.each(data,foo); } I was just wondering if there was already a builtin function of jQuery or Javascript that would convert data to a list automatically, like this: function convert_to_list(data) { return $.isArray(data) ? data : [data]; } $.each(convert_to_list(data), foo); Just curious! Thanks for reading. Brian

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• C# can I lock a method parameter?

  - by 5YrsLaterDBA

  We have a class variable ArrayList binaryScanData in a class. In all methods having access to it, we put lock(binaryScanData) on it because it is shared. Now we want to move one of those methods out to another util class to make it a static method. We will pass that binaryScanData into the method like this: public static void convertAndSaveRawData(ref MemoryStream output, ref ArrayList binaryScanData) Our questions are followed: how can we sychoronize that binaryScanData? can we do the same as it is originally? ref is necessary? It will only be read in that convertAndSaveRawData method.

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• jQTouch with PhoneGap on webOS

  - by Steve Nay

  I'm writing an application in PhoneGap that I want to run on iOS, Android, and webOS. jQTouch plays nice with everything on iOS and Android, but not webOS. Since the webOS Mojo framework is based on Prototype (which uses the $ variable), it's necessary to use jQuery in noConflict mode. I can handle that much. However, the problem is that I also want to use the jQTouch plugin. The jqtouch.js file uses $ throughout, causing JavaScript errors when that file is loaded. Is there a way to run the jQTouch plugin (or any plugin for that matter) in my PhoneGap application without interfering with Prototype?

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• render_to_string from a rake task

  - by Horace Loeb

  I want to use a Rake task to cache my sitemap so that requests for sitemap.xml won't take forever. Here's what I have so far: @posts = Post.all sitemap = render_to_string :template => 'sitemap/sitemap', :locals => {:posts => @posts}, :layout => false Rails.cache.write('sitemap', sitemap) But when I try to run this, I get an error: undefined local variable or method `headers' for #<Object:0x100177298> How can I render a template to a string from within Rake?

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• How to make regex variables to capture of routes

  - by Zephiro

  anyone can help me with this problem. example $uri = '/username/carlos'; => $routes[] = '/username/@name'; @name convert in variable $name capturing string "carlos" $routes[] = '/list/edit/@id:[0-9]{3}'; $routes[] = '/username/@name'; $routes[] = '/archive/*'; $routes[] = '/'; $uri = '/username/carlos'; foreach ( $routes as $pattern ) { if ( preg_match( '#^' . preg_replace( '#(?:{{)?@(\w+\b)(?:}})?#i', '(?P<\1>[\w\-\.!~\*\'"(),\s]+)', str_replace( '\*', '(.*)', preg_quote( $pattern, '/' ) ) ) . '\/?$#i', $uri, $matchs ) ) { //how to make regex for this to work : echo $name; // carlos =>$uri = '/username/carlos'; or matt => $uri = '/username/matt'; } } thanks for reading

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• Problem installing Ruby 1.9.2 with RVM on OSX 10.4

  - by questionmark

  Hi, I successfully installed Ruby 1.8.7 with RVM on OS 10.4. However, when I try to install 1.9.2, I get the following error: make: * [libruby.1.9.1.dylib] Error 1 Installation: [qm]$ rvm install 1.9.2 /Users/qm/.rvm/rubies/ruby-1.9.2-p136, this may take a while depending on your cpu(s)... % ruby-1.9.2-p136 - #fetching % ruby-1.9.2-p136 - #downloading ruby-1.9.2-p136, this may take a while depending on your connection...% ruby-1.9.2-p136 - #extracting ruby-1.9.2-p136 to /Users/qm/.rvm/src/ruby-1.9.2-p136% ruby-1.9.2-p136 - #extracted to /Users/qm/.rvm/src/ruby-1.9.2-p136% ruby-1.9.2-p136 - #configuring % ruby-1.9.2-p136 - #compiling % Error running 'make ', please read /Users/qm/.rvm/log/ruby-1.9.2-p136/make.log% There has been an error while running make. Halting the installation.% Looking at the end of the make log: MACOSX_DEPLOYMENT_TARGET environment variable set to: 10.1 /usr/libexec/gcc/powerpc-apple-darwin8/4.0.1/libtool: internal link edit command failed make: * [libruby.1.9.1.dylib] Error 1 Thanks for any help/suggestions!

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• How to split string in group in vb.net

  - by amol kadam

  Hi. i'm amol kadam,I want to know how to split string in two part.My string is in Time format (12:12).& I want to seperate this in hour & minute format.the datatype for all variables are string. for hour variable used strTimeHr & for minute strTimeMin .I tried below code but their was a exception "Index and length must refer to a location within the string. Parameter name: length" If Not (objDS.Tables(0).Rows(0)("TimeOfAccident") Is Nothing Or objDS.Tables(0).Rows(0)("TimeOfAccident") Is System.DBNull.Value) Then strTime = objDS.Tables(0).Rows(0)("TimeOfAccident") 'strTime taking value 12:12 index = strTime.IndexOf(":") 'index taking value 2 lastIndex = strTime.Length 'Lastindex taking value 5 strTimeHr = strTime.Substring(0, index) 'strTime taking value 12 correctly strTimeMin = strTime.Substring(index + 1, lastIndex) 'BUT HERE IS PROBLEM OCCURE strTimeMin Doesn't taking any value Me.NumUpDwHr.Text = strTimeHr Me.NumUpDwMin.Text = strTimeMin End If

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• jQuery Autocomplete: how to refresh list?

  - by cinematic

  I have a form with a variable number of autocomplete fields that use the same select list. These fields are added and removed as needed. Whenever a parameter on the page is changed, I (try to) update the list for all the fields by first calling unbind() then autocomplete() with a new parameter added to the url. $('input.foo').unbind().autocomplete(url?new_param=bar); The problem is that unbind() does not seem to be unbinding. When I type in the input field, it fires off the entire history of autocomplete events. I also tried flushCache to no avail. How do I clear out the old events? Thanks.

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• Ruby IRB - Requires and Scope

  - by tyndall

  Trying to understand this problem I'm running into. I create file welcome.rb. The contents of this file: welcome_message = "hi there" I then launch an irb session. And type require 'welcome'. That works fine. Then I type: puts welcome_message I get the error message undefined local variable or method `welcome_message' for main:Object What is the best way to bring in predefined variables and have initialization work done when you require something into your irb session. Global variables didn't seem like the right path.

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• NSArrays in NSArrays. A pointer problem?

  - by RyJ

  I believe my problem involves pointers, a concept I often struggle with, but here's what I'm trying to do. I have six NSArrays. I want an additional NSArray comprised of these six arrays, so: self.arr1 = [NSArray array]; self.arr2 = [NSArray array]; self.arr3 = [NSArray array]; self.arr4 = [NSArray array]; self.arr5 = [NSArray array]; self.arr6 = [NSArray array]; NSArray *containerArray = [[NSArray alloc] initWithObjects:self.arr1, ... etc, nil]; Whenever I update one of the first 6 NSArrays, I want the object updated in containerArray. (I know I'm using an NSArray and not an NSMutableArray, when I update the arrays I create a new one and assign it to the instance variable). Currently, any manipulation of arr1 is not reflected in [containerArray objectAtIndex:0].

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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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• Indentation (and wrap-indentation) of debug strings output by printf()/fprintf() in C program

  - by mbaitoff

  I'm using a debug output using printf() in my functions, but the output goes to the console starting at the 1st columns. I'd like to distinguish the nesting level of functions by indenting their output strings each time I dive into the function (it's implemented easily having a static int indentlevel; variable, which is incremented at the beginning of a function, used as a space-filler-count and decremented at the end). But the flaw is that once the output line becomes too long to be wrapped at the console edge, lines' wrapped parts start at column 1 of the console. Should I take care about this, since once the output is redirected to a file, lines are, say, one-line-length, and widths of the lines depend only on the text file viewer settings?

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• Is this valid EJB-QL?

  - by Yishai

  I have the following construct in EJB-QL several EJB 2.1 finder methods: SELECT distinct OBJECT(rd) FROM RequestDetail rd, DetailResponse dr WHERE dr.updateReqResponseParentID is not null and dr.updateReqResponseParentID = ?1 and rd.requestDetailID = dr.requestDetailID and rd.deleted is null and dr.deleted is null IDEA's EJB-QL inspection flags the use of the two object FROM RequestDetail rd, DetailResponse dr with an inspection which says: Several ranged variable declarations are not supported, use collection member declarations instead (e.g. IN(o.lineItems)) The queries themselves function fine (as in return the expected results) on JBoss 4.2. Is IDEA all wet here, or is there a valid issue with the query? And what is the actual preferred alternative syntax for such a query?

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• nesting classes in php

  - by Honey

  here is my sample class to why i want to nest. include("class.db.php"); class Cart { function getProducts() { //this is how i do it now. //enter code here`but i dont want to redeclare for every method in this class. //how can i declare it in one location to be able to use the same variable in every method? $db = new mysqlDB; $query = $db->query("select something from a table"); return $query } }

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• IWshShortcut Target Resolution in Windows 7

  - by Dan Walker

  I've got some code to read shortcuts using the Windows Script Host, but it appears to have a problem in Windows 7. When reading shortcuts, if there is an environment variable in the target path, it resolves to the wrong drive. For example, the shortcut to Notepad resolves to D:\Windows\system32\notepad.exe instead of C:\Windows\system32\notepad.exe. The problem is not with my computer's settings, because the shortcut works just fine, and when looking at the value for %SystemRoot%, it shows C:\Windows. Any ideas as to what could be the problem, or alternatively, what a different method of reading shortcuts would be? Thanks, Dan

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• How to deal with RGB to YUV conversion

  - by maximus

  The formula says: Y = 0.299 * R + 0.587 * G + 0.114 * B; U = -0.14713 * R - 0.28886 * G + 0.436 * B; V = 0.615 * R - 0.51499 * G - 0.10001 * B; What if, for example, the U variable becomes negative? U = -0.14713 * R - 0.28886 * G + 0.436 * B; Assume maximum values for R and G (ones) and B = 0 So, I am interested in implementing this convetion function in OpenCV, So, how to deal with negative values? Using float image? anyway please explain me, may be I don't understand something..

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• Multidimensional arrays in VB.NET 2010

  - by matt_t

  Is there any way to create a multidinensional array that contains arrays of different lengths (similar to nesting arrays of different lengths in python). Because if I were to declare a variable Dim accounts(2,2) As Integer all 1D arrays at each dimension have the same length. Is there any way to create an array so that this is not the case? e.g The above code would create an array like this: [[0,0],[0,0]] but would it be possible to create this: [[0,0],[0,0,0]] Apologies for the poor explanation but I cannot think of any better ways to explain.

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• jQTouch Spinning Wheel (Cubiq) Implementation Won't Work

  - by Peter

  I am trying to get a nice Spinning Wheel working within my webapp; http://bit.ly/89oWud However, I keep receiving an error within Mobile Safari that the variable 'blabla' cannot be found. I have implemented both of these suggested solutions: 1# Change SpinningWheelCSS 2# Change JQTouch CSS, JS files, and add JQTouch wrapper to body Neither worked for me. I am trying to use the incredible Spinning Wheel by Cubiq.org. I'm likely doing something wrong, but for the life of me I can't figure out what it is. Help is very much appreciated.

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• What happens if two COM classes each without a threading model are implemented in one in-proc COM se

  - by sharptooth

  Consider a situation. I have an in-proc COM server that contains two COM classes. Both classes are marked as "no threading model" in the registry - the "ThreadingModel" value is just absent. Both classes read/write the same set of global variable without any synchronization. As far as I know "no threading model" will enforce COM to disallow concurrent access to the same or different instances of the same class by different threads. Will COM prevent concurrent access to instances of the two abovementioned different classes? Do I need synchronization when accessing the global variables from two different COM classes in this situation?

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