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• Howto read system informations in C++ on windows and linux?

  - by f4

  I need to read system information like cpu/ram/disks usage in C++. Maybe swap, network and process too but that's less important. It has probably been done thousand of times before so I first tried to search for a library. Someone here suggested SIGAR, which seems to fit my needs but is GPL and it is for inclusion in a proprietary product. So it's not an option here. I feel like it's something not that easy to implement, as it'll need testing on several platforms. So a library would be welcome. If you don't know of any library, could you point me in the right direction for both platforms?

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• Wrapping text around a figure in LaTeX

  - by manapo

  When I wrap my text around a figure I cannot get it to wrap around the correct text. Basically, I want to have the text in the section the figure is in wrap around it, but when I compile it my figure ends up being farther down the page next to text in another section. 1. How do I change this? 2. (kind of a minor point) How do I make the label for the caption, such as "Figure 1.", bold? \usepackage{graphicx} \usepackage{wrapfig} ... \begin{wrapfigure}{r}{40mm} \begin{center} \includegraphics[scale=0.5]{image} \end{center} \caption{This is the image.} \end{wrapfigure}

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• how to solve nested list programs [closed]

  - by riya

  write a function to get most popular car that accepts a car detail as input and returns the most popular car name along with its average rating .Each element of car details list is a sublist that provides the below information about a car (a)name of a car(b)car price (c) list of ratings obtained by car from various agencies.Incase two cars have the same average rating then the car with the lesser price qualifies as most popular car? here's my solution-: (define-struct cardetails ("name" price list of '(ratings)) (define car1 (make-cardetails "toyota" 123 '( 1 2 3))) (define car2 (make-cardetails "santro" 321 '( 2 2 3))) (define car3 (make-cardetails "toyota" 100 '( 1 2 3))) (define cardetailslist(list(car1) (car2)(car 3))) (let loop ((count 0)) (let (len (length cardetailslist)) (if(< count len) (string-ref (string-ref n)0) now please tell me how to find maximum average and display car name.it's not a homework question tomorrow is my test and we have not been taught this concept in class although it is very important from test point of view

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• Operational Transformation library?

  - by gamers2000

  I'm looking for a library that would allow me to synchronize text in real-time between multiple users (ala Google Docs). I've stumbled upon Operational Transformation, which seems to fit my needs. Having said that, I understand the gist of OT, but not the math nor implementation of OT. Thus, I was wondering if there was a drag'n'drop Javascript library that would hook into a text area, generate the transforms, then allow me to apply those transformations onto another client? (I've gotten the Etherpad source, but I can't make head or tails out of it. If anyone could point out how to leverage on Etherpad's OT implementation, that'll be great too!)

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• Best means to store data locally when offline

  - by mickartz

  I am in the midst of writing a small program (more to experiment with vs 2010 than anything else) Despite being an experiment it has some practical use for our local athletics club. My thought was to access the DB (currently online) to download the current members and store locally on a laptop (this is a MS sql table, used to power the club's website). take the laptop to the event (yes there ARE places that don't have internet coverage), add members to that days race (also a row from a sql table (though no changes would be made to this), record results (new records in 3rd table) Once home, showered and within internet access again, upload/edit the tables as per the race results/member changes etc. So I was thinking i'd do something like write xml files locally with the data, including a field to indicate changes etc? If anyone can point me in a direction i would appreciate it...hell if anyone could tell me if this has a name, I'd appreciate it.

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• Python programming. Accessing Windows rigth click menu options

  - by Zack

  I'm hoping to automate a few tasks at work. One of them being combining and converting power point files to PDFs. I'm a bit of a newbie (I just finished Magus Heitland's Beginning Python), so I'm not entirely sure what I'm specifically asking. On windows, one can select multiple files, right click, and select combine as adobe PDF. I've figured out the 'grouping' of the files I want to convert (I traverse the dir and nest the files inside of a list based on their names), but I'm unsure how to pursue the next step (the rightclick/combine command). Googling has led me to things like win32api, pywinauto, and ctypes. But as I read over what they do my newbieness prevents me from knowing which is the tool I need. Could any one suggest a few good resources or tips?

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• Rollback to a specific moment with PostgreSQL

  - by mada54

  Hi, Is there a way to rollback to a specific starting point. Im looking for something like this. Start specific_point; Now after this, an other application connected with the SAME login will insert & delete datas (webservices with crud operations) for about 2 minutes doing tests. Each webservice call is declared as a transaction with Spring Ws. After that i want to rollback to the specific_point to have a clean database to a known previous state. I was thinking that ROLLBACK TO SAVEPOINT foo; was the solution but not unfortunately? Any idea ? Configuration: PostgreSQL 8.4 / windows XP Regards

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• Trouble with a sequential search algorithm

  - by shinjuo

  I need to use this sequential search algorithm, but I am not really sure how. I need to use it with an array. Can someone point me in the correct direction or something on how to use this. bool seqSearch (int list[], int last, int target, int* locn){ int looker; looker = 0; while(looker < last && target != list[looker]){ looker++; } *locn = looker; return(target == list[looker]); }

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• Why vba doesnt handling Error 2042

  - by Jonathan Raul Tapia Lopez

  I have a variable "fila" with a full line with excel's values; The problem is when in excel I have --#N/A-- vba take that value like "Error 2042" and I cannot asign that value to "valor" and produce me an error, until this point everything is ok, now I am trying to define a "On error goto" for go to the "next" iteration in the loop "for", but I dont know Why vba doesnt handle the error. Do While Not IsEmpty(ActiveCell) txt = ActiveCell.Value2 cell = ActiveCell.Offset(0, 1).Value2 fila = Range("C20:F20") For j = 1 To UBound(fila, 2) On Error GoTo Siguiente If Not IsEmpty(fila(1, j)) Then valor = fila(1, j) cmd = Cells(1, j + 2).Value2 devolver = function1(cmd, txt, cell, valor) arrayDevolver(p) = devolver p = p + 1 End If Siguiente: Next Loop '

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• Generate xml containing animation information from ms ppt 2003/07 file

  - by Ravisha

  I am planning to write an application which has UI from MS ppt.Here is where all the animation will be configured. My application will just read xmls containing animation configuration and run it on a target device(Cannot mention details w.r.t device right now ,apologies for that) Not necessary that i want xmls it self but if there is a way to get animation details directly from the ppt file i will be more than happy. I will be going ahead with C#.Net 3.0 with windows XP as my OS.MY office will be either 2003 or 07.Can switch to any of these versions Please give suggestions as what will be the starting point for the same.Thanks in advance Please Let me know if any more details are needed

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• How to create a step by step wizard in C++ (with unmanaged code) in Visual Studio 2010

  - by Alex. S.

  I would like to build a small wizard in C++ with no dependencies on any framework. Apparently, is really simple, but I don't know where to start. Can you point me to good information (tutorials, etc) on it. Should I use MFC Application or a Win32 project? Is there any step by step guide ? I'm using VS 2010. The majority of info I'd found on MFC is really old. It seems like the vast majority of development is going .net.

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• Update query in sqlite3 problem

  - by user271753

  [sqlite executeQuery:@"UPDATE UserAccess SET Answer ='Positano';"]; NSArray *query2 = [sqlite executeQuery:@"SELECT Answer FROM UserAccess;"]; NSDictionary *dict = [query2 objectAtIndex:0]; NSString *itemValue = [dict objectForKey:@"Answer"]; NSLog(@"%@",itemValue); It does print Positano at this point .. But when I just print without the update query again . I get the old entry which is Paris. What am I doing wrong ??? I am using http://th30z.netsons.org/2008/11/objective-c-sqlite-wrapper/ wrapper. Regards , Novice

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• Translate GPS coordinates to location on PDF Map

  - by christo16

  Hi everyone, I'd like to know (from a high level view) what would be required to take a pdf floor plan of a building and determine where exactly you are on that floor plan using GPS coordinates? In addition to location, the user would be presented with a "turn by turn" directions to another point on the map, navigating down hallways, between cubicles, etc. Use case: an iPhone app that determined a user's location and guided them to a conference room or person's office in the building. I realize that this is by no means trivial, but any help is appreciated. Thanks!

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• How to get image from relative URL in C#, the image cannot be in the project

  - by red-X

  I have a project where I'm loading relative image Uri's from an xml file. I'm loading the image like this: if (child.Name == "photo" && child.Attributes["href"] != null && File.Exists(child.Attributes["href"].Value)) { Image image = new Image(); image.Source = new BitmapImage(new Uri(child.Attributes["href"].Value, UriKind.RelativeOrAbsolute)); images.Add(image); } Where the "child" object is an XmlNode which could looks like this <photo name="info" href="Resources\Content\test.png"/> During debug it seemd images is filled with actual images but when I want to see them in any way it shows nothing. Weird thing is when I include the images in my project it does work, I however dont want to do that since my point for using an xml file is so that it would be lost since you'd have to rebuild the program anyway after a change.

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• C - Discard the edges of an arbitrary level of a multidimensional array

  - by Medivh

  I have some geographical data, that I'm trying to parse into a usable format. The data is kept in NetCDF files, and is read out as a multidimensional array. My problem comes because the source of the geographical data has a strip of longitude on each side of the grid that overlaps the other side. That is, I have a longitude point of -1 degree, and another of 361 degrees. Unfortunately, I've got time, latitude, and sometimes height as dimensions in this array as well, and I have no way of predicting in advance where each dimension will be in the list (or if it's a three dimensional array, or a four dimensional array). Further complicating the problem, the array can be of floats, doubles or integers, so I have to pass it around as a void. Are there any NetCDF tools that I can use to pre-prepare the files? If not, how would you suggest I go about stripping the excess longitudes?

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• Appropriate high level language to deal with binary data

  - by fortran

  Hi, I need to write a small tool that parses a textual input and generates some binary encoded data. I would prefer to stay away from C and the like, in favour of a higher level, (optionally) safer, more expressive and faster to develop language. My language of choice for this kind of tasks usually is Python, but for this case dealing with binary raw data can be problematic if one isn't very careful with the numbers being promoted to bignums, sign extensions and such. Ideally I would like to have records with named bitfields that are portable to be serialised in a consistent manner. (I know that there's a strong point in doing it in a language I already master, although it isn't optimal, but I think this could be a good opportunity to learn something new). Thanks.

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• Generalised XML Serialization

  - by Tom W

  I apologise for asking a question that's probably been asked hundreds of times before, but I don't seem to be able to find an answer in the archives; probably because my question is too basic. I know that XML Serialization by default only touches public members and properties. Properties very often mask a private variable; particularly if they're readonly. Serializing these is fine; the value that the instance exposes to the world is what goes into the XML. But if Deserialization of the same data can't put the value back where it belongs, what's the point of doing it? Is there something I'm missing about how XML Serialization is normally used for classes with masking properties? Surely it can't be that the only answer is explicitly implementing Read/WriteXML - because that's more effort than it's worth!

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• Code won't exit foreach block

  - by Matt

  I've got the following C# code segment that takes a list, finds objects that are ready to update, then shoves them into a temp list, deletes from the main list, and then goes on its merry way. My issue is that the foreach block, which cycles through my main list, won't exit. TempLog.Clear(); //Ensure TempLog is empty foreach (CLogger ready in PlayerLog) { if (ready.UpdateReady == true) // Record is ready to be updated in database { TempLog.Add(ready); // Add record to templog PlayerLog.Remove(ready); // Remove from playerlog } } <---- Never reaches this point if (TempLog.Count > 0) // Just check that templog isn't empty { new Thread(Update).Start(); // Run update code } I've put heaps of debugging in, and I can watch PlayerLog start at 1, TempLog at 0, then it enters the foreach loop, picks up that the record UpdateReady flag is on, TempLog goes to 1, PlayerLog goes to 0, then it just stops.. No errors, just stops.. Thanks for the help :)

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• TYPO3: How do i render tt_content text elements in my own extensions?

  - by arturh

  I'm currently writing a TYPO3 extension which is configured with a list of tt_content UID's. These point to content elements of type "text" and i want to render them by my extension. Because of TYPO3s special way of transforming the text you enter in the rich text editing when it enters the database, and again transforming it when it is rendered to the frontend, i can not just output the database contents of the "bodytext" field. I want to render these texts as they would usually get rendered by TYPO3. How do I do that?

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• click multiple times a submit button

  - by Olga Anastasiadou

  Hi all, I encountered a problem that I can't solve. My point is to "click" my sybmit button and every time increase a counter, while this counter reach 10. For the first time it works, but this is it! My test code is below : <form name="testForm" method="post"> <?php $cnt=0; ?> <input type="submit" name="next" id="next" value="NEXT"/> <?php if(isset($_POST['next'])){ if($cnt< 10){ echo $cnt.' --> '; $cnt++; echo $cnt; } } ?> </form> Only 0 -- 1 is printed, every time... please help!! Thanks

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• Custom Error mode in Web.Config File

  - by Zerotoinfinite

  Hi All, I have deployed my application on server and Now I am getting this error: To enable the details of this specific error message to be viewable on remote machines, please create a tag within a "web.config" configuration file located in the root directory of the current web application. This tag should then have its "mode" attribute set to "Off". Notes: The current error page you are seeing can be replaced by a custom error page by modifying the "defaultRedirect" attribute of the application's configuration tag to point to a custom error page URL. ~~~ I have defined custom error pages for my applicatio. Please help me, how to rectify this issue. Thanks in advance.

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• Finding an asp:button and asp:textbox in Javascript

  - by Andrew

  What I'm trying to do is get an asp:button to click. The only problem is that it is within a few tags. Example: <loginview> <asp:login1> <logintemplate> //asp:textbox and asp:button are located here. </loginview> </asp:login> </logintemplate> So how would I get javascript to point to that location so that I can manipulate it. For example, get the button to click.

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• How do I parse this invalid JSON string in jQuery?

  - by LesterDove

  Hi, I am looking to access the various bits of data in this data attribute: <div class="location" data="{id: 4, point: {lng: -71.413364, lat: 41.673681}, category: 'Restaurant'}"> The data attribute is easy enough to reach in jQuery, of course. But the string seems to be a non-standard or invalid form of JSON. I've tried JSON.parse() and also a basic JS method of splitting the array. By all accounts, it just seems to be an invalidly-serialized string. Will I need to reformat the data string? (it doesn't come from me, and it's used by other routines that I'd rather not break, so...)

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• Sort/Enumerate an NSArray from somewhere in the middle?

  - by Kenny Winker

  I have an NSArray, with objects ordered like so: a b c d e f I would like to enumerate through this array in this order: c d e f a b i.e. starting at some point that is not the beginning, but hitting all the items. I imagine this is a matter of sorting first and then enumerating the array, but I'm not sure if that's the best technique... or, frankly, how to sort the array like this. Edit Adding details: These will be relatively small arrays, varying from 3 to 10 objects. No concurrent access. I'd like to permanently alter the sort order of the array each time I do this operation.

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• How does Play recognize a particular websocket message?

  - by noncom

  I am looking at the websocket-chat example. It unveils much, but I still cannot get something. I understand how messages are received, processed and sent on the web page side. However, Play captures websocket messages by means of the receive method of an Akka actor. In the websocket-chat, there are several cases in this method, but I don't get, how does it know which websocket message should be mapped to which case. In fact, I don't understand the path that a websocket message follows upon entering Play's domain, how is it processed and how can different message types/kinds be sent from the webpage. I have not find any info or sources related to this. Could please someone explain this or point to some kind of a good reference? UPDATE: The link to the original example.

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