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• Matrix "Zigzag" Reordering

  - by fbrereto

  I have an NxM matrix in Matlab that I would like to reorder in similar fashion to the way JPEG reorders its subblock pixels: (referenced from here) I would like the algorithm to be generic such that I can pass in a 2D matrix with any dimensions. I am a C++ programmer by trade and am very tempted to write an old school loop to accomplish this, but I suspect there is a better way to do it in Matlab.

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• Logic for FOR loop in c#

  - by karthik

  My method has a parameter, I have to use that in my For loop to iterate. For example, I have a text file with 4 lines. If the Param is 1, the for loop must iterate through the last three lines If the Param is 2, the for loop must iterate through the last two lines If the Param is 3, the for loop must iterate through the last one line How can i pass this param in my For loop to achieve all the three scenarios stated above ?

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• JVMTI: FollowReferences : how to skip Soft/Weak/Phantom references?

  - by Jayan

  I am writing a small code to detect number of objects left behind after certain actions in our tool. This uses FollowReferences() JVMTI-API. This counts instances reachable by all paths. How can I skip paths that included weak/soft/phantom reference? (IterateThroughHeap counts all objects at the moment, so the number is not fully reliable) Thanks, Jayan

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• Line spacing problem with \LaTeX{}

  - by ventolin

  When I use \LaTeX{} to show the LaTeX logo, the following line of text is pushed down in order to accommodate the subscript 'E' in LaTeX. How do I override this? Is there an option I can pass to \LaTeX{} ?

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• How do I define and standardize units in my 3D app?

  - by Omega

  I'm starting to design my object graph for an OpenGL ES 1.1 on Android. What's advisable when it comes to actually drawing my triangles when it comes to controlling their size? Should I store all the vertices in units relative to each other and then multiply them by a value I pass during a draw(GL10 gl)? Would this approach have any impact when it comes time to do frustum culling?

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• Access 2007 can I capture the "clicked" field using an OnClick event on a report?

  - by Aaron Quince

  In Access 2007 I want to be able to click on a name field in a report and call a separate report with personal information about the person who's name was clicked to start the event. This would be as an alternative to creating a subreport or including the subreport fields in the main report in the interest of saving space. How do I reference the value of the clicked field for use in a query called with the OnClick event? Thanks for your help.

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• How to get the header of the parent node of a selected TreeViewItem?

  - by Dabblernl

  I have this TreeView: Main Node Header="Main" Sub Node Header="Sub1" Final Node Header="Item1" Final Node Header="Item2" Sub Node Header="Sub 2" Final Node Header="Item1" Final Node Header="Item2" I have two textboxes that are bound to this TreeView. One has its Text property bound to the TreeView's SelectedItem property and works OK. The other TextBox I want to bind to the Header text of the Sub Node directly above the selected Item. How do I reference it?

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• asp.net: Where can I put my source files.

  - by David Sykes

  I am developing a web form using Visual Web Developer Currently I have class source files in the same directory as the web form, or in the App_Code folder. I'd like to organise the files into folders within the web form folder, but I can't find a way of adding a reference to the folders, and they don't seem to be being picked up automatically. These are files that are under constant development. What is the asp.net/c#'s equivalent concept to c++'s #include?

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• Counting HTML images with Python

  - by user2537246

  I need some feedback on how to count HTML images with Python 3.01 after extracting them, maybe my regular expression are used properly. Here is my code: import re, os import urllib.request def get_image(url): url = 'http://www.google.com' total = 0 try: f = urllib.request.urlopen(url) for line in f.readline(): line = re.compile('<img.*?src="(.*?)">') if total > 0: x = line.count(total) total += x print('Images total:', total) except: pass

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• How does the C compiler implement functions with Variable numbers of arguments?

  - by Dan

  Hi Everybody, I attended a technical interview a few days ago, and I was asked How does the C compiler implments function with Variable number of arguments? How does it pass the on the stack? Does anyone know or can explian that? Thanks, Dan

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• Open a save file dialog for a js variable

  - by Constructor

  In my web app I need to give the user the option to save a js variable as a file (when the user clicks download, the app offers him to save a file, preffereably as .js file). Similarly as google docs offers you to save a file. Is it possible for javascript to pass it's variable this way?

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• How to use a type within a "black-box" .NET assembly?

  - by smwikipedia

  I know that .NET assembly is self-descriptive because of the metadata. Now suppose I have a black-box assembly which I know nothing about. Could I find out the types contained in it and use their methods and pass arguments? How? Sampe code snippets will be deeply appreciated. Many thanks.

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• How to convert binary, OCT, HEX to calculate in Java?

  - by user316751

  Write an application that inputs one number consisting of FIVE digits from the user, separates the number into its individual digits and prints the digits separated from one another by three spaces each. For example, if the user types in the number 12345, the program should print 1 2 3 4 5 The following screen dump of result is for your reference. Input a digit: 12345 Digits in 12345 = 1 2 3 4 5 How to convert binary, OCT, HEX to calculate the question?

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• Implementing Communication Protocols on CC2420 motes powered by TinyOS

  - by stanigator

  I would like to load TinyOS on CC2420 radio motes to operate on certain communication protocols (e.g. epidemic routing, probabilistic routing, etc.). However, I have no prior experience in programming motes to perform the protocols I want. I'm just wondering about the most applicable resources for reference and how difficult (if not impossible) was implementing such mentioned protocols. It would be great to hear from you. Thanks in advance!

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• Wcf service operation contract change

  - by pdiddy

  I recently added a parameter to one of the method of a wcf. It was a string parameter. The thing is that I didn't update the service reference on the client side but I was still able to call the wcf service ..... Wasn't it suppose to break?

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• how to userinput without typing to a batch file

  - by Blood hound

  I am trying to run a batch file which requires user input "y/n" to do further action , I want to call this batch file for automation , as during automation argument yes or no need to be passed without user intervention , any idea how to achieve it ? cmd /c setup.bat now if setup.bat is run " yes or no " need to be selected to get the desired result as now this setup.bat is called during automation, is there is anyway to pass "yes" parameter as an input to setup.bat

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• How to refactor T-SQL stored procedure encapsulating it's parameters to a class

  - by abatishchev

  On my SQL Server 2008 I have a stored procedure with a large number of parameters. The first part of them is used in every call and parameters from the second part are used rarely. And I can't move the logic to two different stored procedures. Is there a way to encapsulate all this parameters to a class or struct and pass it as a stored procedure parameter? Can I use SQL CLR. Are there other ways?

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• Parameterizing max value of a jQuery ui slider

  - by Gandalf StormCrow

  I'm trying to create this slider http://jqueryui.com/demos/slider/#rangemax Is it possible to parametrize the max value? For ex: $("#slider-range-max").slider({ range: "max", min: 1, max: maxValue, value: 2, slide: function(event, ui) { $("#amount").val(ui.value); } }); Is it possible to pass maxValue value, when I click on something? After its been initialized? Not on document ready function, but even after that?

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• Trying to understand setting content providers in Android.

  - by Gabriel A. Zorrilla

  Hi there. I wanna change APN settings in a phone. Looked the api and there is a content provider named ACTION_APN_SETTINGS developer.android.com/reference/android/provider/Settings.html#ACTION_APN_SETTINGS but i'm having a hard time figuring out how to use it. Is there any example or something that does not involve the "contacts" content provider? Thanks.

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• Python 3 with numpy and object refernces

  - by user963386

  I need to create a large matrix (array) structure (3 axis) and each element should store the reference to a Python object (myclass instance). Is it possible to use numpy to create such an array. Which data type should I use in order to store Python references? The advantage of numpy is the support of slicing at different levels. The alternativee is to create a nested (nested) list but it is a cumbersome solution.

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• How can I inherit an ASP.NET MVC controller and change only the view?

  - by AlexWalker

  I have a controller that's inheriting from a base controller, and I'm wondering how I can utilize all of the logic from the base controller, but return a different view than the base controller uses. The base controller populates a model object and passes that model object to its view, but I'm not sure how I can access that model object in the child controller so that I can pass it to the child controller's view.

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• Could not load file or assembly or one of its dependencies

  - by kp

  I changed some names of namespaces, assemblies in one of existing project (C# and ASP.NET). But when I try to debug it; I get this error. Could not load file or assembly 'HR' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040). I have replaced DFI with HR in the code.

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• JNI values assignment to array

  - by shoaib

  i have this array of jvalue type and i want to assign string values ...im on unity trying to pass parameters to my java funtion using JNI library jvalue[] myArray = new jvalue[2]; myArray[0]="abcd"; myArray[1]="khan"; gui.text= AndroidJNI.CallStaticStringMethod(obj_Activity, startAdsMethod, myArray); could some 1 plz guide how to achieve the code above im getting the error whilst assigning values to the array because the array is not of string type my function takes string parameters and jni wants them in form of array thanks any help is highly appreciated

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• Perl DBI failing to connect to cataloged DB2 database.

  - by Buzkie

  I've downloaded the IBM DBI package, including all the packages in my program as specified in the docs. I've cataloged the DB and can connect to it from the command line, but my DBI connect fails: $dbh = DBI->connect ("dbi:DB2:warehou1", user, pass) or die "Can't connect to sample database: $DBI::errstr"; Can't connect to sample database: [IBM][CLI Driver] SQL1031N The database directory cannot be found on the indicated file system. SQLSTATE=58031

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• Call function in function arguments

  - by Yisroel

  I have a function, we'll call it funcA that returns an object. I want to pass that object to funcB. Can I do this? funcB(funcA()); so that funcA() is called first and the results are passed to funcB()?

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