Search Results

Search found 14131 results on 566 pages for 'of note'.

Page 313/566 | < Previous Page | 309 310 311 312 313 314 315 316 317 318 319 320  | Next Page >

  • is DISPID_VALUE reliable for invokes on IDispatchs from scripts?

    - by Georg Fritzsche
    Continuing from this question, i am confused whether DISPID_VALUE on IDispatch::Invoke() for script functions and properties (JavaScript in my case) can be considered standard and reliable for invoking the actual function that is represented by the IDispatch? If yes, is that mentioned anywhere in MSDN? Please note that the question is about if that behaviour can be expected, not what some interfaces i can't know in advance might look like. A simple use case would be: // usage in JavaScript myObject.attachEvent("TestEvent", function() { alert("rhubarb"); }); // handler in ActiveX, MyObject::attachEvent(), C++ incomingDispatch->Invoke(DISPID_VALUE, IID_NULL, LOCALE_SYSTEM_DEFAULT, DISPATCH_METHOD, par, res, ex, err); edit: tried to clarify the question.

    Read the article

  • QWinWidget's position is always 0 (zero)

    - by Kevin
    I hosted a QWinWidget in a CView and want it to stay at a designated position when resizing. But QWinWidget always moves to (0, 0), i.e. left-top corner of the CView. I tried to debug in this way: QWinWidget* pWidget = new QWinWidget(pCView); pWidget->move(50, 50); QPoint pos = pWidget->pos(); Note that: the pos is always (0, 0). Why is that?

    Read the article

  • Random select is not always returning a single row.

    - by Lieven
    The intention of following (simplified) code fragment is to return one random row. Unfortunatly, when we run this fragment in the query analyzer, it returns between zero and three results. As our input table consists of exactly 5 rows with unique ID's and as we perform a select on this table where ID equals a random number, we are stumped that there would ever be more than one row returned. Note: among other things, we already tried casting the checksum result to an integer with no avail. DECLARE @Table TABLE ( ID INTEGER IDENTITY (1, 1) , FK1 INTEGER ) INSERT INTO @Table SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4 UNION ALL SELECT 5 SELECT * FROM @Table WHERE ID = ABS(CHECKSUM(NEWID())) % 5 + 1

    Read the article

  • Less Mathematical Approaches to Machine Learning?

    - by Ed
    Out of curiosity, I've been reading up a bit on the field of Machine Learning, and I'm surprised at the amount of computation and mathematics involved. One book I'm reading through uses advanced concepts such as Ring Theory and PDEs (note: the only thing I know about PDEs is that they use that funny looking character). This strikes me as odd considering that mathematics itself is a hard thing to "learn." Are there any branches of Machine Learning that use different approaches? I would think that a approaches relying more on logic, memory, construction of unfounded assumptions, and over-generalizations would be a better way to go, since that seems more like the way animals think. Animals don't (explicitly) calculate probabilities and statistics; at least as far as I know.

    Read the article

  • C++ Typing and OOP child classes

    - by Zack
    I'm a bit confused: If I have a base class A, and a class B which extends A, can a variable of the type A hold a value of the type B and vice versa? If yes, why? Aren't they completely different even if B is derived from A? How about type-safety? If this is possible, what things do I have to mind when taking use of this? How would this work out in terms of performance? Note: Sorry if I asked too many questions, just ignore them and just look out for those "marked" with the list decoration dot :) Also, this is not my homework. I'm a hobby programmer and have skills in scripting languages with OOP, yet I'm relatively new to OOP typing in C++.

    Read the article

  • What SQL ORM may i use to replace this old code

    - by acidzombie24
    Sorry since this question is specific to my problem. While learning reflections i did a mini SQL ORM in a week then minor tweaks while using it for another week. Since it has very little work put into it, its really only compatibility with sqlite. I havent had problems with the code so far but i would like to port it to something that supports TSQL or MySql. The example code is here which is outdated but has the most used functions in my class. What library can i port that code over too with the smallest about of pain. Note that it must support foreign keys.

    Read the article

  • How to assign the value of document.cookie to your browser cookies?

    - by Ricket
    I'm a developer (and therefore a tester) of a website. Our site accepts any JavaScript or HTML from an user but I haven't been successful in explaining the danger of it, as obvious as it is. So I would like to prove it by logging in as my boss to prove to him that there is definitely a real danger here. I think this will put down any of his arguments and let us move onto filtering content like this. (note this question is not about filtering, or other suggestions on JavaScript tricks) I already know how to steal the value of the document.cookie variable with AJAX and a PHP file, but once you have that string of name=value;name=value;..., how do you apply it to your own browser? This is programming related because I am asking about tools which will help me debug my web program.

    Read the article

  • Frustrated With Wpf DataGrid

    - by user197373
    Hello Experts, I have a tabcontrol and I place datagrid inside a tabcontrol... But I could not focus that Datagrid at the load event ... Focus means I couldn't navigate through keyboard into it... I'm getting this problem only inside of the tab control otherwise it works fine...my sample project link as follows.. http://cid-0255f3152326d2b1.skydrive.live.com/browse.aspx/WPF%20Datagrid%20Problem?uc=1&nl=1 (1) Please remember note that focus means I couldn't navigate a datagrid through keyboard (2) It should be in load event......Because it works fine in other events... (3) Datagrid should be placed inside a tab control... Because it works fine outside a tab control..... I hope u wil help me... please help me out Thanks in Advance

    Read the article

  • How to build Firefox extention to intercept HTTP requests and responses?

    - by didizingo
    Hi, how do I insert a listener to Firefox http requests and responses, so that I popup a window with the address requested and the response body? Note: I have to do this building an extension to Firefox. I need a button to activate or disable the feature. For every request, I need to popup a window with an "Ok" button to allow the request to be made. Likewise, I need to popup a window with the response body from the web server, with an "Ok" button to allow the content to be displayed by the browser. I know that I have to use nsIHttpChannel, as shown here, but I don't know where to put such code on the extention's architecture. I have very little knowledge about javascript. Could anyone help me?

    Read the article

  • How to Validate an XML Node against an XSD in C++?

    - by Ashish
    Hi Please note that I'm asking for validation against a particular node and not the whole file. For examples <somexmldoc> <someNode> <UserDefinedNode> </> <UserDefinedNode> </> </someNode> </somexmldoc> For this XML doc, I have an wholeDoc.XSD which could be used to validate the whole document except "UserDefinedNode" (This node is specified with "any" tag in xsd, which allows a user to define anything under that node). Is it possible to have a separate userdefined.XSD file to validate "UserDefinedNode"? Is it possible to use MSXML for C++ (IXMLDomDocument) to validate this? Thanks!

    Read the article

  • Windows service thread not updating database until complete

    - by dfarney
    I have a windows service with a FileSystemWatcher. When a new file is dropped in my folder a new thread is created, started, and I begin processing the file. Throughout this process I am making updates to the database (Linq to SQL) to keep track of the file's processing progress. Problem is none of my database updates are reflected throughout the process, just an update after everything has been completed. Any ideas? Note: when doing dev/testing my code was in an aspx page and worked great, but when I put it in a windows service I no longer get the progress updates. Thanks!

    Read the article

  • Why does this page look different between IE, Firefox & Chrome

    - by ripper234
    In Firefox it looks just like I want it to look, in IE it looks "a bit weird", and in Chrome it's all twisted. What non-standard HTML I am using that makes it looks so different between browsers? Specifically, how can I fix the Chrome & IE versions to look more like Firefox? Note that Chrome only goes haywire if all or almost all columns have the yellow stickies. If one or two columns are empty, then Chrome displays the page just like Firefox. The full HTML is at this pastebin.

    Read the article

  • DrawRect on the iPhone vs. the Mac

    - by Joe Cannatti
    I am an experienced iPhone dev beginning to work on my first Mac app. One thing that is really throwing me off is the differences between UIView and NSView. It seems that I cannot set the background color of a NSView via interface builder as I can with a UIView. It also seems that I cannot do it by simply sending a setBackgroundColor: message to it. All the examples I have seen are overriding drawRect: in a subclass of NSView. Is that really the only way to do it? What is the conceptual difference here, and why is it this way? NOTE: I am only trying to set the background color to the default grey.

    Read the article

  • Why can I create a table with PRIMARY KEY on a nullable column?

    - by AlexKuznetsov
    The following code creates a table without raising any errors: CREATE TABLE test( ID INTEGER NULL, CONSTRAINT PK_test PRIMARY KEY(ID) ) Note that I cannot insert a NULL, as expected: INSERT INTO test VALUES(1),(NULL) ERROR: null value in column "id" violates not-null constraint DETAIL: Failing row contains (null). ********** Error ********** ERROR: null value in column "id" violates not-null constraint SQL state: 23502 Detail: Failing row contains (null). Why can I create a table with a self-contradictory definition? ID column is explicitly declared as NULLable, and it is implicitly not nullable, as a part of the PRIMARY KEY. Does it make sense? Edit: would it not be better if this self-contradictory CREATE TABLE just failed right there?

    Read the article

  • Drupal - Views + node preview woes

    - by Ace
    Hey there! I have a few Views on my Drupal 6 site which take care of some of a node's fields. For example, I have a content type called Country, which has a field called Capital. I've excluded this field in the node display, but there is a view that takes the node ID as an argument and displays it in the right column. This is all very pretty and has been working out well for me, but how do I take care of the node preview mode? Since the node isn't saved yet, the Capital field won't have its new value yet. Note: I am ready to do some very dirty hacks to make this work :)

    Read the article

  • When using source control, what files should actually be commited?

    - by SimpleCoder
    I am working on a small project, hosted on Google Code, using SVN for source control. This is my first time using source control, and I'm a bit confused about what I should actually be committing to the repository. My project is very simple: A Class Library project, written in C#. The actual code that I have written is a single file. My question is this: Should I be committing the entire project (including directories like Debug, Release, Properties, etc.) or just my main .cs file? Thanks, After fighting with Subversion for a while (note to self: do not reset repository), it looks like I finally have it working with the directories laid out properly. Thanks again for all your advice.

    Read the article

  • Sync database from desktop system to remote server and vice versa?

    - by qulzam
    I make a application, which has to interfaces. one is desktop and other is web application. both have their own databases (which are same is structure). I want to sync the database from desktop to remote server and also from remote server to desktop but i have no idea that how it does. I use the MYSql database. and my desktop application is in .NET NOTE: There are more than one destop systems who update their databases and also sync databases.

    Read the article

  • Perl module for parsing natural language time duration specifications (similar to the "at" command)?

    - by Ryan Thompson
    I'm writing a perl script that takes a "duration" option, and I'd like to be able to specify this duration in a fairly flexible manner, as opposed to only taking a single unit (e.g. number of seconds). The UNIX at command implements this kind of behavior, by allowing specifications such as "now + 3 hours + 2 days". For my program, the "now" part is implied, so I just want to parse the stuff after the plus sign. (Note: the at command also parses exact date specifications, but I only want to parse durations.) Is there a perl module for parsing duration specifications like this? I don't need the exact syntax accepted by at, just any reasonable syntax for specifying time durations. Edit: Basically, I want something like DateTime::Format::Flexible for durations instead of dates.

    Read the article

  • Insert at specific location of a 2d vector

    - by Elgoog
    I have a 2d vector which represents a 2d grid; so grid[0][2] for example. I am needing to 'insert' -might not be the right word here. a vector at a specific location say grid[3][2] there will definitely be a grid[0][0] but when im needing to insert into grid[3][2] there may be nothing before it other than grid[0][0] and there needs to be the space in between for later on. Is there any way to do this? Thank you for your help. ps: I should note that the size of the vectors are not known (they will grow over time)

    Read the article

  • Equivalent for Java's System.getProperty("java.io.tmpdir") in C ?

    - by B_
    As the title says, the java.io.tmpdir property in Java is really nice, and I can't find an equivalent for C. I'm writing for Windows and in Visual Studio. I don't want to just use something like C:\Temp because in later versions of windows the appropriate directory could be something like C:\Users\[UserName]\AppData\Local\Temp and a way to retrieve this would be much easier. I want a directory and not just a temp file because I'm downloading and executing a file from the internet. As a side note, if anyone can give me tips about how to better google for C stuff it would be much appreciated :)

    Read the article

  • Is there an automatic way to remove debugging methods for a release build?

    - by Lewis
    Note: This is an extension of an earlier question I asked here: Do additional function/method definitions increase a program's memory footprint? When I write a class, I usually end up writing several testing/debugging methods, used to make sure the class works as it should, or for printing data to help with debugging, or for unit testing, etc. Is there an easy/automatic way to make a release without these methods, or do I need to manually delete the extra code any time I want to compile a release version? I ask this question both from a C++ and a Java perspective. I'm using Code::Blocks and Eclipse as IDEs, if that plays into the answer somehow.

    Read the article

  • Java 7 New Features

    - by John W.
    I have done some good reading on the new java.util.concurrent features being introduced with the java 7 release. For instance, Phaser, TransferQueue and the more exciting Fork Join Framework. I recently saw a power point made by Josh Bloch about even more features that are going to be introduced however that link has been lost. For example I remember one change is being able to build a Map the same way you can build an array for: Map myMap = {"1,Dog","2,Cat"}; and so forth (this may not be 100% correct but the idea is there) Does anyone know of a list or just can name some new things to look forward to? Note: I did see a question asked http://stackoverflow.com/questions/213958/new-features-in-java-7 however it was asked ~2 years ago and I am sure the list of updates are more concrete. Thanks!

    Read the article

  • SQL Server - Searching string with international characters using LIKE clause

    - by Nikhil
    Hi, I have a field 'Description' which can have product descriptions with any unicode characters. If I search for a description which contains an international character, with a LIKE condition (word searched with does not have the international character) I get the following results: Ex: GEWÜRZTRAMINER is one of the descriptions. When I do: Select * from table where Description LIKE '%GEWURZTRAMINER%', it retrieves the entry. When I do: Select * from table where Description LIKE '%GEWURZ%', the entry is not retrieved. (Note: the search condition does not include the Ü but has a U) Is there a way around this so that I can retrieve with '%GEWURZ%' as well? SQl Server 2008

    Read the article

  • Reference variable to an object instantiated/initialized in another class in Java

    - by Alex
    The reason I'm asking is because I'm getting NullPointerException. I now this is very easy but I'm pretty new programming and find this a bit confusing. So say I have initialized an object in a class and want to access that same object from another class. Like now for instance I'm working on a small Chess game, in my model Game class I have an instance of Board, an object. Board, in turn, has an array of Squares. Square[][]. Game has board, board has Square[][]. Now if I want to access the Square[][] through the object board (in Game) of type Board. Do I just declare a variable with the same name and type or do I have to initialize it again? Board board OR Board board = new Board(); Note, I have already initialized board in the class Game so if I do it again, won't they be two totally different Board objects?

    Read the article

  • Netbeans or Eclipse for C++?

    - by Robert Gould
    I'm currently working on a pet project and need to do C++ development on Windows, Mac, Linux, and Solaris, and I've narrowed it down to Netbeans and Eclipse, so I was wonderig which is more solid as a C++ editor. I just need solid editing, good autocompletion for templated code ad external libraries, and project file management, the build tools are external, so thats irrelevant here, for my comparison. Thus which is a better choice? Note: I know I should be using emacs or vim, but the issue is, my theory at least, that I'm left handed, so I use my right side (design,creativity) of the brain more than the left side (logic, memory), so I just simply cannot use emacs or vim, my brain simply isn't compatible, I tried them many times too, even used emacs for a few months but it drove me crazy... Thanks

    Read the article

< Previous Page | 309 310 311 312 313 314 315 316 317 318 319 320  | Next Page >