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  • MATLAB: Reading floating point numbers and strings from a file

    - by xsound
    I am using the following functions for writing and reading 4098 floating point numbers in MATLAB: Writing: fid = fopen(completepath, 'w'); fprintf(fid, '%1.30f\r\n', y) Reading: data = textread(completepath, '%f', 4098); where y contains 4098 numbers. I now want to write and read 3 strings at the end of this data. How do I read two different datatypes? Please help me. Thanks in advance.

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  • Can someone explain the output of this disassemly snippet?

    - by Mask
    I used two different command x/w and disas at the same address 0x405130,get totally different output: (gdb) x/w 0x405130 0x405130 <_imp__printf>: 0x77c1186a (gdb) disas 0x405130 Dump of assembler code for function _imp__printf: 0x00405130 <_imp__printf+0>: push $0x18 0x00405132 <_imp__printf+2>: (bad) 0x00405133 <_imp__printf+3>: ja 0x405109 <_imp___iob+1> End of assembler dump. I don't understand why it's like this,can anyone explain it?

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  • Tweet's xml format

    - by Anand Kulkarni
    I get ' top tweets ' from twitter as an RSS feed in xml format . There is a guid field in that xml format. There is a long 11 digit number at the end of guid field , is it unique for every tweet ?

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  • I get a error message from my vb6 program.

    - by user292084
    Private Sub Command1_Click() Dim dom As New DOMDocument Dim http As New XMLHTTP Dim strRet As String If Not dom.Load("c:\\CH.xml") Then MsgBox "?????" http.Open "Post", "http://172.31.132.173/u8eai/import.asp", True '?????ASP http.send dom.xml '?xml???????? strRet = http.responseText 'strRet:???xml??????? MsgBox strRet End Sub The error message, in Chinese: ???? ???????????????. translated by google(To English): Real-time error The data needed to complete the operation can not be used also

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  • Exclamation mark used with assert method in its parameters.

    - by Maxsy
    Okay this has been lingering in my head for quite a while now. In ruby on rails unit testing there is an exclamation mark with the assert method. Here is an example test "No empty values to be inserted" do product = Produce.new assert !product.save end Let me know the function of the exclamation mark. Quick replies appreciated. Thanks.

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  • initializing variables in ActiveRecord's classes

    - by Hadi
    How to initialize variables in ActiveRecord class? Variables here is the variables that are outside the scope of database such as: class Product attr_accessor :used end I want to initially assign @used initially to false, later if some person access the product, i will change @used to true First i thought of putting @used=false in initialize method, but it does not get called.

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  • Regex Help matching quotes

    - by Farhan
    Hi Guys, I havin a reg ex problemm i would like to have a reg ex that will match the '\nGO at the end of my file(see below.) I have got the following so far: ^\'*GO but its match the quote sysbol? EOF: WHERE (dbo.Property.Archived <> 1) ' GO

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  • View status of service running on remote machine

    - by tunwn
    The conditions are - I don't have administrator privilege - I want to see the status of a service in remote machine (server) I use the following code (vb.net with framework 2.0) to see the status Dim sqlSvc As ServiceController Svc = New ServiceController(My.Settings.serviceName, My.Settings.machineName) If sqlSvc.Status.ToString.Equals("Running") Then displayStatus("success", sqlSvc.Status.ToString) Else displayStatus("error", sqlSvc.Status.ToString) End If When running the code, InvalidOperationException is raised and found out that I need admin right in the server. Can I lookup the status of the service without having admin right in remote machine ?

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  • Different users in the website and the facebook fan page with the like button

    - by Lagarto
    I have a facebook page for the bussiness running and with 27 like users, i already created the like button in the original website, and the amount of users is differents, in the website we have just 13 like users, we tried in iframe and XFBML, and always the same, if we put just a / at the end of the address of the website we had just one user, but never the 27 users. What we have to do to match the users. The facebook fan page is http:// www.facebook.com/altavistacg The website is http://www.altavistacommunications.com

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  • Perform a function at a specific time in VB.NET

    - by Shardul
    Hi, I am writing a small app to automatically connect my PC to the internet at a certain time.. I am using rasdial.exe for it... Private Sub SetIt_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click Dim windir As String = Environment.GetEnvironmentVariable("WINDIR") Shell(windir & "\system32\rasdial.exe", AppWinStyle.NormalNoFocus) End Sub My question is how to make the shell function run at a specified time or after a certain interval?? Regards, Shardul

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  • Image compression and thumbnail creation for PHP

    - by Saif Bechan
    I need some PHP classes that deal with image processing in a good manner. I have made a thumbnail creator myself but the end result quality is just horrible. Is it also possible to let PHP convert and save all images to one type. For example take an image(jpg,png,gif), compress it, resize it, and save as png. Can anyone recommend some good classes for this.

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  • segfault on vector<struct>

    - by Andre
    Hello, I created a struct to hold some data and then declared a vector to hold that struct. But when I do a push_back I get damn segfault and I have no idea why! My struct is defines as: typedef struct Group { int codigo; string name; int deleted; int printers; int subpage; /*included this when it started segfaulting*/ Group(){ name.reserve(MAX_PRODUCT_LONG_NAME); } ~Group(){ name.clear(); } Group(const Group &b) { codigo = b.codigo; name = b.name; deleted = b.deleted; printers = b.printers; subpage = b.subpage; } /*end of new stuff*/ }; Originally, the struct didn't have the copy, constructor or destructor. I added them latter when I read this post below. http://stackoverflow.com/questions/676575/seg-fault-after-is-item-pushed-onto-stl-container but the end result is the same. There is one this that is bothering me as hell! When I first push some data into the vector, everything goes fine. Later on in the code when I try to push some more data into the vector, my app just segfaults! The vector is declared vector<Group> Groups and is a global variable to the file where I am using it. No externs anywhere else, etc... I can trace the error to: _M_deallocate(this->_M_impl._M_start, this->_M_impl._M_end_of_storage- this->_M_impl._M_start); in vector.tcc when I finish adding/copying the last element to the vector.... As far as I can tell. I shouldn't be needing anything to do with a copy constructor as a shallow copy should be enough for this. I'm not even allocating any space (but I did a reserve for the string to try out). I have no idea what the problem is! I'm running this code on OpenSuse 10.2 with gcc 4.1.2 I'm not really to eager to upgrade gcc because of backward compatibility issues... This code worked "perfectly" on my windows machine. I compiled it with gcc 3.4.5 mingw without any problems... help! --- ... --- :::EDIT::: I push data Group tmp_grp; (...) tmp_grp.name = "Nova "; tmp_grp.codigo=GetGroupnextcode(); tmp_grp.deleted=0; tmp_grp.printers=0; tmp_grp.subpage=0; Groups.push_back(tmp_grp);

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  • how to detect internet idle time?

    - by omair iqbal
    how do i detect internet idle time(time since i used internet) using delphi something like: begin { idle time detection code goes here} showmessage('you have not browsed any websites or downloaded/uploaded for over xyz seconds'); end; thanks in advance

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  • How to decleare custom protocol in iPhone

    - by iPhoneDev
    Hi, I want to use a protocol, how can we implement it in iPhone. @protocol BasicAPI -(NSString*)hello; @end // In Some method NSURL* url = [NSURL URLWithString@"http://www.caucho.com/hessian/test/basic"]; id<BasicAPI> proxy = (id<BasicApi>)[CWHessianConnection proxyWithURL:url protocol:@protocol(basicAPI)]; NSLog(@"hello: %@", [proxy hello]); Please help me how I can implement above code?

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  • Which audio playback technology do I need for this?

    - by mystify
    I have trouble choosing the right audio playback technology. There's a ton of technologies to use on the iPhone, it's so confusing. What I need to do is this: start playing short sounds ranging between 0.1 and 2 seconds high quality playback, no crackle (I heard some of the iPhone audio playback technologies do a crackle sound on start or end, which is bad!) ability to start playback of a sound, while there's already another one playing right now (two, three or more sounds at the same time) What would you suggest here, and why? Thanks :-)

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  • How to stay motivated on the job?

    - by Fred Basset
    Hi All, I've been working as an engineer professionally for 15 years for a number of different companies. My question is how do you stay motivated at work? I can generally be easily motivated if I'm working on design, but that seems to be about 5% of my actual work hours. Most of my work seems to end up being fixing problems in existing poorly designed projects. I'd love to hear some feedback from the other members out there. Thank you, Fred

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  • Silverlight audio components

    - by Shurup
    Do you know any good commertial or free audio / sound components that can be used in Silverlight (better on the client)? Desired features: visualizing (waveform, peakform etc., zoom, editing volume, pan, start and end markers etc.) editing (channels: volume, pan, mute, fading, etc., merge, cut, copy, paste, etc., effects) mixing different sound tracks, creating a downmix exporting result in some in Silverlight usable (compressed) formats Some useful projects that I've founded: Saluse MediaKit for Silverlight (MP3 decoder, AudioPreProcessor, visualizers, effects) Microsoft Design Toolbox sound mixer (incl. source code and video) and Demo

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  • Ruby / rubyzip alternative capable of handling rar/tar/zip/7z?

    - by Nick Gorbikoff
    I was wondering if anyone knows of rubyzip alternatives for Ruby, that can handle various formats in particular zip / rar / 7z? I know of libarchive, but it's not complete for my purposes ( it's a good gem thou). (To clarify, libarchive - won't work for me - cause I need to be able to run in on Windows. ( Yeah I know sucks to be me)) Right now I end up running system commands to the os, but I'd like something OS independent, and capable of handling those formats - reading and writing. Thank you

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  • Is there a good Open Source, XSD based Web Editor?

    - by ashansky
    I'm looking for a good open source web editor that will take xsd (or some other standard XML) and from that generate web forms that will enable the end user to generate standard xml (without knowing anything about xml obliviously). I took a look at kupu, but there doesn't seem to be much documentation and the site appears to no longer exist. Is there anything out there that does this already. I could write something like this myself, but if there's something that out there that will save me some time that would be great. Thanks

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