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• ASP.Net Textbox control doesn't return NULL when it is empty

  - by iansinke

  In reference to this question that I just asked, http://stackoverflow.com/questions/2451579/sql-select-all-when-filter-value-is-empty, it appears that for some reason, an empty text box's value is not being fed to SQL Server as NULL, as it ought to be. Any ideas on how to fix this?

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• Eclipse with JDK in Ubuntu 10.04

  - by Bart van Heukelom

  A short question: My eclipse project is set to use the "sun-java-6-openjdk"-supplied JDK library, but I cannot Ctrl-click to view source (no source attached), as I can do out-of-the-box on Windows. How do I make this work?

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• Anyone knows any Linq to XQuery implementation ?

  - by Tim Mahy

  Hi all, the question is basically in the title. Also if anyone has started some kind of implementation but never finished it and is willing to share it, I'm interested! :) Or if it is being used internally in an open-source project... greetings, Tim

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• JSON parsing in iphone

  - by hardik

  Hello all I have a question: I want to know that how to parse an XML string into a JSON string. A little code would be boost. Thanks in advance

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• Add dynamic URL (or button) to each node in Drupal

  - by Bryan Folds

  I've used CCK to create a 'Travel Offer' content-type which basically just lists the details for a travel package. My question is how to have a button or link on each node (when the user views it) that will link to a url that includes the title of the current node (eg: example.com/requestQuote/Title_Of_This_Node). I haven't implemented my system yet so I am free to change the content-type to include a button field or something like that...

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• Howto compile a static library in linux

  - by Summer_More_More_Tea

  Hi folks: I have a question: How to compile a static library in linux with gcc, i.e. I need to compile my source code into a file named out.a. Is it sufficient to simply compile with the command gcc -o out.a out.c? I'm not quite familiar with gcc, hope anyone can give me a hand. Thanks Regards.

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• delete last row in a table android

  - by Sephy

  Hi everybody, My question is quite straightforward. I have a table, with, lets say x rows, with each an id, but i don't know how many rows i have. Now i want to delete the last row of my table for some reason... Is there an easy way to do that in android? I have been trying to use the last_insert_rowid in my where clause...but no luck so far... any idea? thx for help

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• MongoDB initialization error in Rails

  - by rube_noob

  I have an initialization script to set up my MongoDB connection in the config/initialization directory. It is my understanding that these initializers run after all of the plugins are initialized. The problem I am having is that when a particular plugin I am using is initialized, it tries to access the mongodb before I have set it up. I get this error: uninitialized class variable @@database_name in MongoMapper My question is: Where can I initialize Mongodb that will run after the mongodb gem has been loaded and before any of the plugins are initialized?

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• f# one list to another?

  - by mamu

  I have a list of tuples with three values in tuples I want to create new List of strings out of previous list with one value out of tuples. List [(string * string * int) ] List[ for i in columns -> i.getfirstvalueintuple] How can i do that? very basic question but i can't figure it out. Also is there any other way of building another kind of list or seq out of existing list?

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• Developing a custom-validation in asp.net for specific control and criteria

  - by Gaurav

  Hello There is another relevant question asked Validation Check in asp.net In the same scenario we need a custom validator control which will alert user for any wrong entry. This will work like this : Developer will pass the control-name, input-value and format-required For instance like for textbox it can be: txtName,txtName.Text, allow-alphabets-only The accordingly format if the user input is invalid he/she will be got prompt. Please suggest the right way to do the smae. Thanks in advance.

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• iPad:How to convert iPhone apps into iPad compatible?

  - by user187532

  Hello friends, I have several iPhone apps, which i want to convert them to iPad. Is there a link where i can have a look at simple procedures about how to convert iPhons apps into iPad compatible? I already installed 3.2 SDK etc., having development environment ready. Forgive me if it is a repeated question. Thanks for your helps.

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• How can I get the size?

  - by Sanju

  I got a class. Lets say its named Class1 Here I create another class, Class2 Class2 has an arrya[] No my question is. When I create Class2 I cant have any size of the array with me in. How can I then know how big I want the array to be??? Out in Class1 I know how big it is. Thanks in Advance.

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• css sprite button is jumping around

  - by Richard

  Hello everyone, Does anyone know what is causing the sprite rollover to jump around It is I think more likely a photoshop question, but I am not completely sure. I hope to get an answer here anyway, since I think most webdesigners/programmers problably worked with photoshop also. This is what I want the rollover to do example 1 and this is my testpage (see the play button) I made the sprite with spriteme.com thanks, Richard

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• Why might the Large Object Heap grow rather than throw an exception?

  - by Unsliced

  In a previous question I asked possible programatic ways of maximising the largest block allocatable on the LOH. I'm still seeing the problems, but now I'm trying to get my head around why the LOH seems to grow and shrink in size, yet I'm still seeing OutOfMemoryExceptions that tally with what others have reported as being due to LOH fragmentation. Why might one call to, for example, StringBuilder.EnsureCapacity throw an OutOfMemoryException for me, but another call from somewhere else result in the LOH expanding in size (according to the performance counters, it is growing and shrinking)?

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• Detect mouse location after Silverlight window loaded

  - by Gilad

  Hi, I'm running a web page that has a SL 'box' in it. I know how to use the MouseEnter and MouseLeave to detect if the mouse has entered the SL box or left it. My question is how to detect if the mouse is inside or outside the SL box when it has just loaded. Thanks. Gilad.

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• Scope of parameter names in Objective C methods

  - by G.P. Burdell

  // myClass.h @interface myClass : NSObject { int variable1; } - (int) addOne: (int)variable1; //myClass.m - (int) addOne: (int)variable1{ variable1++; } My question is: will [myClass addOne:aNumber] add 1 to aNumber or will it add 1 to the value of the ivar variable1?

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• Why is a 16-bit register used with BSR instruction in this code snippet?

  - by sharptooth

  In this hardcore article there's a function find_maskwidth() that basically detects the number of bits required to represent itemCount dictinct values: unsigned int find_maskwidth( unsigned int itemCount ) { unsigned int maskWidth, count = itemCount; __asm { mov eax, count mov ecx, 0 mov maskWidth, ecx dec eax bsr cx, ax jz next inc cx mov maskWidth, ecx next: } return maskWidth; } the question is why do they use ax and cx registers instead of eax and ecx?

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• How do I convert a git repository to mercurial?

  - by Spoike

  I've been developing a java application using git as source code repository. I'd like to share the project with other java developers and hg seems to be most used by them. My question is how do I convert a git repository to hg? If I tried googling "convert git to hg" and every search hit is about converting from git to hg. I'm also using TortoiseHg.

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• c#: what is the purpose of wpf vs. winforms [closed]

  - by every_answer_gets_a_point

  i know wpf can be richer-looking, but what is the point of using them if they complicate things so much? for example if i want to do something on form load in wpf i have to through the trouble of writing this: public MyWindow() { Loaded += MyWindow_Loaded; } private void MyWindow_Loaded(object sender, RoutedEventArgs e) { // do work here } whereas in winforms all i do is double click on the form the question is what are the benefits of using wpf over winforms?

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• How to validate Excel range that it has error/warning using .NET?

  - by Ekkapop

  I want to validate range of excel worksheet (e.g. "A10:B20") to check that is it has error or NA value or not? How to do that in C#? P.S. I find similar topic (Excel range usage question (cell error checking)) but that topic is not thing I need.

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• Can UML with OCL be used for formal specifications?

  - by Gabriel Šcerbák

  I am asking because UML is used for informal specifications and has some ambiguities in its semantics. However OCL can be used to specify pre/post conditions and invariants and other constraints quite efficiently I think. I encountered the Z notation and algebraic specifications recently. My question, is combination of UML and OCL sufficient for formal specifications?

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• Where to store a DataSource resource in a Java web app?

  - by Slavko

  This is a rookie question. What's the best place to put @Resource private DataSource ds; in a web application? Do I put it in a servlet, context listener or maybe there's a better place for it? Also, do I create a new Connection object in my doGet()/doPost() or should I do it somewhere else? What's the best practice for stuff like this? Thank you!

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• Java equivalent of C# @

  - by Simon Rigby

  Hi all, Quick question. Is there an equivalent of @ as applied to strings in Java: For example I can do @"c:\afolder\afile" in C# and have it ignore the escape characters when processing instead of having to do "c:\afolder\aFile". Is there a Java equivalent? hmmm: stackoverflow is escaping on me .. lol. The second example should read: c:(double-backslash)afolder(double-backslash)aFile

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• QT how to detect the systray area for creating systary pop up windows

  - by user63898

  hello all i need to create/design QT systray popup windows , i was thinking about creating custom windows that derived from QDialog , so it could look better then the ordinary "Information,Warning,Critical styles" my question is how can i detect the position of the desktop systray ,so how could give the popup windows the look and feel of a systray popup

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• How to tame the Windows headers (useful defines)?

  - by Kirill V. Lyadvinsky

  In one of the answers to this question jalf spoke about useful define NOMINMAX, that could prevent from unwanted defining min/max macros. Are there other useful defines that can help to control windows.h (or other Windows headers, for instance Microsoft C Runtime headers or STL implementation) behavior?

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