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• Learning Visual C++ 2008 and C++ at the same time? Any resources to recommend?

  - by Javed Ahamed

  Hey guys, I am trying to learn Visual C++ 2008 and C++ at the same time to get involved with sourcemod, a server side modding tool for valve games. However I have never touched Visual C++ or C++ in general, and doing some preliminary research I am quite confused on these different versions of C++ (mfc, cli, win32), and why a lot of people seem to hate Visual C++ and use something like Borland instead. I really learn visually, and have used videos from places like Lynda.com with great success. I was wondering if anyone had any exceptional resources they had come across to teach Visual C++ 2k8, with its intricacies and setting up the IDE along with C++ at the same time. Books would be nice, but videos would be preferred, and I don't mind paying for resources. Thanks in advance!

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• Architectural advice on connecting multiple diverse sites into a single community.

  - by Aleksandar

  Hi SO, I've been given a task to connect multiple sites of the same client into a single network. So i would like to hear an architectural advice on connecting these sites into a single community. These sites include: 1. Invision Power Board Forum (the most important site) 2. 3 custom made cms-s (changes to code allowable) 3. 1 drupal site 4. 3-4 wordpress blogs Requirements are as follows: 1. Connecting all users of all sites into a single administrable entity. With permissions changing ability, users banning etc. 2. Later on, based on this implementation I have to implement "facebook like" chat, which will be available to all users regardless of place of login. I have few ideas on my mind on how to go with this, but would like to hear some people with more experience and expertize than my self. Cheers!

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• SQL DISTINCT Value Question

  - by CPOW

  How can I filter my results in a Query? example I have 5 Records John,Smith,apple Jane,Doe,apple Fred,James,apple Bill,evans,orange Willma,Jones,grape Now I want a query that would bring me back 3 records with the DISTINCT FRUIT, BUT... and here is the tricky part, I still want the columns for First Name , Last Name. PS I do not care which of the 3 it returns mind you, but I need it to only return 3 (or what ever how many DISTINCT fruit there are. ex return would be John,Smith,apple Bill,evans,orange Willma,Jones,grape Thanks in advance I've been banging my head on this all day.

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• Is HTML5 the new buzzword? ( Web 2.0 was the old one )

  - by Atomiton

  Your thoughts on this? I'm hearing more and more people saying things like: "Is it html 5 compatible" "Can I make my website html 5" "Other html 5 question here..." What do you guys think? Is html5 the new buzzword? Obviously, it's more than a fad. It is the way things are going. But it seems like it's catching on in the mainstream. I don't think it will get as big as Web 2.0, mind you. Thought I'd ask a light question this Tuesday

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• Should I put my output files in source control?

  - by sebastiaan

  I've been asked to put every single file in my project under source control, including the database file (not the schema, the complete file). This seems wrong to me, but I can't explain it. Every resource I find about source control tells me not to put generated output files in a source control system. And I understand, it's not "source" files. However, I've been presented with the following reasoning: Who cares? We have plenty of bandwidth. I don't mind having to resolve a conflict each time I get the latest revision, it's just one click It's so much more convenient than having to think about good ignore files Also, if I have to add an external DLL file in the bin folder now, I can't forget to put it in source control, as the bin folder is not being ignored now. The simple solution for the last bullet-point is to add the file in a libraries folder and reference it from the project. Please explain if and why putting generated output files under source control is wrong.

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• Python TKinter connect variable to entry widget

  - by Sano98

  Hi everyone, I'm trying to associate a variable with a Tkinter entry widget, in a way that: Whenever I change the value (the "content") of the entry, mainly by typing something into it, the variable automatically gets assigned the value of what I've typed. Without me having to push a button "Update value " or something like that first. Whenever the variable gets changed (by some other part of the programm), I want the entry value displayed to be adjusted automatically. I believe that this could work via the textvariable. I read the example on http://effbot.org/tkinterbook/entry.htm, but it is not exactly helping me for what I have in mind. I have a feeling that there is a way of ensuring the first condition with using entry's "validate". Any ideas? Thank you for your input! Sano

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• Reading HttpURLConnection InputStream - manual buffer or BufferedInputStream?

  - by stormin986

  When reading the InputStream of an HttpURLConnection, is there any reason to use one of the following over the other? I've seen both used in examples. Manual Buffer: while ((length = inputStream.read(buffer)) > 0) { os.write(buf, 0, ret); } BufferedInputStream is = http.getInputStream(); bis = new BufferedInputStream(is); ByteArrayBuffer baf = new ByteArrayBuffer(50); int current = 0; while ((current = bis.read()) != -1) { baf.append(current); } EDIT I'm still new to HTTP in general but one consideration that comes to mind is that if I am using a persistent HTTP connection, I can't just read until the input stream is empty right? In that case, wouldn't I need to read the message length and just read the input stream for that length? And similarly, if NOT using a persistent connection, is the code I included 100% good to go in terms of reading the stream properly?

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• How to change values of ListView elements in Codebehind

  - by Viredae

  Hello, I'm trying to create a table with Listview and one of the fields I'm using is supposed to show a hyperlink to a more detailed view of the data shown, how I want to do that is by using FindControl on the ID of that item and then changing the value into a hyperlink of the detailed view page with a querystring attached, the problem is that I have no idea how to re-insert that data back into the listview field, which looks something like this: <ItemTemplate> <td> <asp:Label ID="ViewLinkLabel" runat="server" Text='[insert Link Here]' /> </td> </ItemTemplate> Please bear in mind that I'm still an amateur in ASP.net, and if any of this seems too convoluted when there's a much easier to do this that I don't know about. Thank you

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• WPF - Make two controls the same size

  - by John Michaels

  Is there any way to make two controls that are in different containers the same size in WPF? For example, suppose you have two textboxes: textbox1 and textbox2. Textbox1 is in a grid and its size can grow and shrink when the user resizes the window. Textbox2 is in another part of the window and I need it to always have the same size as textbox1. Is there any way to do this? Keep in mind SharedSizeGroup will not work because the textboxes are in different containers. Also, I've tried binding textbox2's height property to textbox1 and that doesn't seem to work either. Finally, I tried catching textbox1's SizeChanged event, but its Height property is always NaN for some reason.

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• Adding JPanel onto another JPanel after button click

  - by user1400650

  I'm using Netbeans IDE to make a gui application. I have a JFrame with a JPanel inside it. After a button click I want to display a different JPanel inside the first. The other JPanel is in a different file. How would I go about doing this? If this is not practical I don't mind replacing the first JPanel with the second one. I've tried the following but it doesn't seem to work. I'm new to Java and Gui programming so I would appreciate any help I can get. private void jButtonActionPerformed(java.awt.event.ActionEvent evt) { JPanel2 jPanel2 = new JPanel2(); JPanel1.add(jPanel2); }

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• Does python have one way of doing things?

  - by gath

  I have always seen in python articles/books that python is simple and it has only one way of doing things. I would like someone to explain to me this concept keeping in mind the example below, if i wanted to get the min and max values of sequence i would do the following; seq=[1,2,3,4,5,6] min(seq) #1 max(seq) #6 but i can also do this; seq[:1] #1 seq[-1] #6 surely this are two ways of doing one simple thing. This confuses me a bit. Gath

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• Purpose of dereferencing a pointer as a parameter in C.

  - by Leif Andersen

  I recently came along this line of code: CustomData_em_free_block(&em->vdata, &eve->data); And I thought, isn't: a->b just syntactic sugar for: (*a).b With that in mind, this line could be re-written as: CustomData_em_free_block(&(*em).vdata, &(*eve).data); If that's the case, what is the point of passing in &(*a), as a parameter, and not just a? It seems like the pointer equivalent of -(-a) is being passed in in, is there any logic for this? Thank you.

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• Private VCS hosts for school projects?

  - by Ibrahim

  I want to use version control for a partner project for school, but these days it seems like there are no private, free VCS hosts that I could use. I would prefer to use git if possible, but I wouldn't mind SVN. Alternatively, if there aren't any, shouldn't there be some way for me to use git without a central repository? I don't know enough about git, but I assume that is the point of a DVCS, no? I've considered scp'ing a clone of the repository to my school unix account and then giving my partner access to that, but it seems like it would be a bit of a pain. What are your thoughts/suggestions? Edit: I do know of one site called xp-dev, but I'm not sure how much I trust it. But I could use that and use git-svn on my side, since my partner has actually only ever used svn. But still wondering if there are any alternatives.

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• Using Facebook Graph to simply post a wall message with just javascript

  - by Glycerine

  Hey guys, Now I know this question has been asked similarly a lot of times but I'm really struggling here. Its a simple thing I need to do: I would like to post a message onto a users wall saying "I scored 8/10 on objects game" then a URL Thats it. I don't mind if facebook needs to authenticate and then post the message. and I really don't want to have to use the full API - as I don't want to handle user login details. Is it possible using the new Graph API and javascript. Uber thanks guys this'll allow me to sleep tonight.

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• 2d terrain generation in real time

  - by Skoder

  Hey, I'm trying to create a game similar to this (Note:When you click 'play', there are SFX in the game which you can't seem to turn off, so you may want to check volume). In particular, I'm interested in knowing how the 'infinite' landscape is generated. Are there any tutorials/articles describing this? I came across procedural generation, but I'm not quite sure what topics I should be looking for (or if it's even procedural generation). (I'm using C#, but I don't mind the language as I assume the theory behind it remains the same) Thanks for any suggestions

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• What are the real-world benefits of declarative-UI languages such as XAML and QML?

  - by Stu Mackellar

  I'm currently evaluating QtQuick (Qt User Interface Creation Kit) which will be released as part of Qt 4.7. QML is the JavaScript-based declarative language behind QtQuick. It seems to be a very powerful concept, but I'm wondering if anybody that's made extensive use of other, more mature declarative-UI languages like XAML in WPF or Silverlight can give any insight into the real-world benefits that can be gained from this style of programming. Various advantages are often cited: Speed of development Forces separation between presentation and logic Better integration between coders and designers UI changes don't require re-compilation Also, are there any downsides? A few potential areas of concern spring to mind: Execution speed Memory usage Added complexity Are there any other considerations that should be taken into account?

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• What makes a bad programming language bad?

  - by sub

  We have all seen things like the typing system of JavaScript (There is a funny post including a truth table somewhere around here). I consider this one of the main things that makes a programming language bad. Other things that spring to mind: Bad Error messages (Either obfuscated so you can't figure out whats wrong, not existing or simply too long and red) The language wasn't planned and just grew uncontrolled in all directions (PHP?) The language encourages bad programm(er/ing) habits such as: Global variables everywhere, bad variable names Inconsistent naming conventions inside the language I can't come up with any more at the moment and would be very happy to read what you think about this. What shouldn't be missing in a language created to be as bad (from the perspectives of the programmer, the company that hires to programmer, the team leader and the customer) as possible? (I ask this because I'm designing a bad, experimental language at the moment)

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• Using Java to retrieve the CPU Usage for Window's Processes

  - by stjowa

  Hello all, I am looking for a Java solution to finding the CPU usage for a running process in Windows. After looking around the web, there seems to be little information on a solution in Java. Keep in mind, I am not looking to find the CPU usage for the JVM, but any process running in Windows at the time. I am able to retrieve the memory usage in Java by using the exec("tasklist.exe ... ") to retrieve and parse process information. Although there is an aggregate CPU cycle timer for each process, I do not see a CPU usage column. Any help would be greatly appreciated. Also, if possible, I would like to stay away from C libraries; however, if there is no other alternative, a solution by that means would be appropriate. Thanks a lot, Steve

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• What is an Ontology (Database?) ?

  - by Robert Gould

  I was just reading this article and it mentions that some organization had an Ontology as(?) their database(?) layer, and that the decision to do this was bad. Problem is I hadn't heard about this before, so I can't understand why it's bad. So I tried googling about databases and ontology, and came about quite a few pdfs from 2006 that we're full of incomprehensible content (for my mind). I read a few of these and at this point still have absolutely no idea what they are talking about. My current impression is that it was some crazy fad of 2006 that some academics were trying to sell us, but failed miserably due to the wording of their ideas. But I'm still curious if anyone actually knows what this is actually all about.

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• Getting filtered results with subquery

  - by josepv

  I have a table with something like the following: ID Name Color 1 Bob Blue 2 John Yellow 1 Bob Green 3 Sara Red 3 Sara Green What I would like to do is return a filtered list of results whereby the following data is returned: ID Name Color 1 Bob Blue 2 John Yellow 3 Sara Red i.e. I would like to return 1 row per user. (I do not mind which row is returned for the particular user - I just need that the [ID] is unique.) I have something already that works but is really slow where I create a temp table adding all the ID's and then using a "OUTER APPLY" selecting the top 1 from the same table, i.e. CREATE TABLE #tb ( [ID] [int] ) INSERT INTO #tb select distinct [ID] from MyTable select T1.[ID], T2.[Name], T2.Color from #tb T1 OUTER APPLY ( SELECT TOP 1 * FROM MyTable T2 WHERE T2.[ID] = T1.[ID] ) AS V2 DROP TABLE #tb Can somebody suggest how I may improve it? Thanks

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• Extending the RoleProvider GetRolesForUser()

  - by Farinha

  The GetRolesForUser() method in the RoleProvider takes the user login name and returns the list of roles for that user. But in my application this is not enough, I need a few more pieces of information to be able to get the user's roles. How can I get this extra information into the method? I have it in the Session, but I found out that Session is not available in the RoleProvider. What I had in mind was putting this extra info in some class that extends MembershipUser, assuming I can get to it inside the RoleProvider. But I don't know how to create the CustomMembershipUser and make it part of the MembershipProvider. Is this even possible? The easy way out would be using cookies, but I'm trying to keep away from it.

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• Python unit-testing with nose: Making sequential tests

  - by cool-RR

  I am just learning how to do unit-testing. I'm on Python / nose / Wing IDE. (The project that I'm writing tests for is a simulations framework, and among other things it lets you run simulations both synchronously and asynchronously, and the results of the simulation should be the same in both.) The thing is, I want some of my tests to use simulation results that were created in other tests. For example, synchronous_test calculates a certain simulation in synchronous mode, but then I want to calculate it in asynchronous mode, and check that the results came out the same. How do I structure this? Do I put them all in one test function, or make a separate asynchronous_test? Do I pass these objects from one test function to another? Also, keep in mind that all these tests will run through a test generator, so I can do the tests for each of the simulation packages included with my program.

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• Is there a way to put relationships/contraints into CSS?

  - by hekevintran

  In every design tool or art principle I've heard of, relationships are a central theme. By relationships I mean the thing you can do in Adobe Illustrator to specify that the height of one shape is equal to half the height of another. You cannot express this information in CSS. CSS hard-codes all values. Using a language like LESS that allows variables and arithmetic you can get closer to relationships but it's still a CSS variant. This inability in my mind is the biggest problem with CSS. CSS is supposed to be a language that describes the visual component of a Web page but it ignores relationships and contraints, ideas that are at the core of art. How possible is it to imagine a new Web design language that can express relationships and contraints that can be implemented in JavaScript using the current CSS properties?

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• What every web developer should know?

  - by arikfr

  Let's say you got a new intern, who's a third-year CS student. He has firm knowledge of the basics, has some experience with C/Java from the courses he took and a lot of desire to learn more. What would you teach him in order to become a good web developer? What I had in mind is: HTML/CSS and the importance of writing semantic markup Javascript, some JS framework (jQuery), JSON Basics of Git/Subversion (whatever you use) The language we use (Ruby, Python, PHP, C#, whatever) Introduction the web framework we use (Rails, Django, ASP.NET MVC...) MVC - what/why/who RESTful web services - how to consume them and how to create one What's on your list?

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• SQL Server: Can INFORMATION_SCHEMA Tell Me When a SQL Object Was Created?

  - by Jim G.

  Given: I added a non-nullable foreign key to a table. I settled on a way to populate the foreign key with default values. I checked in both changes to a re-runnable DB creation script. Other developers ran this script, and now they have the foreign key populated with default values on their developer machines. A few days later however... I changed my mind. Now I'd like to populate the foreign key's default values differently. My Question: Can SQL Server or INFORMATION_SCHEMA tell me when SQL objects were created? Ideally, I'd like to drop and re-add the foreign key if it was created before a certain date/time. Any help or alternative strategies would be greatly appreciated. Obviously, I'd like to avoid going to each developer's cube, asking them to drop the foreign key manually.

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