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• Why Resource (.resx) file added on merely changing Form size and on adding button which is not resou

  - by Muhammad Kashif Nadeem

  1- Resource files suppose to be added on adding some resource in application like image or audio or video etc. But if I just change size of form a .resx file under that particular form. Changing size of form does not add any resource so why this .resx file. 2- I dropped a button on form and a resource file is included again this button is not some kind of resource, it is object created and having information in designer file. 3- A resource file added on dropping button on form but if I delete this resource file and run application it compile and run with NO error and button is still there. If this button has any relation with resource file then there must by some kind of compile or runtime error AND if .resx file has nothing to do with button then why it was added? I am using VS 2008. Thanks in advance for the help

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• Assigning a pointer variable to a const int in C++?

  - by John

  I'm wondering if anyone can explain the following to me: If I write int i = 0; float* pf = i; I get a compile error (gcc 4.2.1): error: invalid conversion from ‘int’ to ‘float*’ Makes sense - they are obviously two completely different types. But if instead I write const int i = 0; float* pf = i; It compiles without error. Why should the 'const' make a difference on the right hand side of the assignment? Isn't part of the idea of the 'const' keyword to be able to enforce type constraints for constant values? Any explanation I have been able to come up with feels kind of bogus. And none of my explanations also explain the fact that const int i = 1; float* pf = i; fails to compile. Can anyone offer an explanation?

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• Is it possible to use a back reference to specify the number of replications in a regular expression

  - by user307894

  Is it possible to use a back reference to specify the number of replications in a regular expression? foo= 'ADCKAL+2AG.+2AG.+2AG.+2AGGG+.+G+3AGGa4.' The substrings that start with '+[0-9]' followed by '[A-z]{n}.' need to be replaced with simply '+' where the variable n is the digit from earlier in the substring. Can that n be back referenced? For example (doesn't work) '+([0-9])[A-z]{/1}.' is the pattern I want replaced with "+" (that last dot can be any character and represents a quality score) so that foo should come out to ADCKAL++++G.G+. foo = 'ADCKAL+2AG.+2AG.+2AG.+2AGGG^+.+G+3AGGa4.' indelpatt = re.compile('\+([0-9])') while indelpatt.search(foo): indelsize=int(indelpatt.search(foo).group(1)) new_regex = '\+%s[ACGTNacgtn]{%s}.' % (indelsize,indelsize) newpatt=re.compile(new_regex) foo = newpatt.sub("+", foo) I'm probably missing an easier way to parse the string.

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• Is it possible to write a generic +1 method for numeric box types in Java?

  - by polygenelubricants

  This is NOT homework. Part 1 Is it possible to write a generic method, something like this: <T extends Number> T plusOne(T num) { return num + 1; // DOESN'T COMPILE! How to fix??? } Short of using a bunch of instanceof and casts, is this possible? Part 2 The following 3 methods compile: Integer plusOne(Integer num) { return num + 1; } Double plusOne(Double num) { return num + 1; } Long plusOne(Long num) { return num + 1; } Is it possible to write a generic version that bound T to only Integer, Double, or Long?

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• Prevent RegEx Hang on Large Matches...

  - by developerjay

  This is a great regular expression for dates... However it hangs indefinitely on this one page I tried... I wanted to try this page ( http://pleac.sourceforge.net/pleac%5Fpython/datesandtimes.html ) for the fact that it does have lots of dates on it and I want to grab all of them. I don't understand why it is hanging when it doesn't on other pages... Why is my regexp hanging and/or how could I clean it up to make it better/efficient ? Python Code: monthnames = "(?:Jan\w*|Feb\w*|Mar\w*|Apr\w*|May|Jun\w?|Jul\w?|Aug\w*|Sep\w*|Oct\w*|Nov(?:ember)?|Dec\w*)" pattern1 = re.compile(r"(\d{1,4}[\/\\\-]+\d{1,2}[\/\\\-]+\d{2,4})") pattern4 = re.compile(r"(?:[\d]*[\,\.\ \-]+)*%s(?:[\,\.\ \-]+[\d]+[stndrh]*)+[:\d]*[\ ]?(PM)?(AM)?([\ \-\+\d]{4,7}|[UTCESTGMT\ ]{2,4})*"%monthnames, re.I) patterns = [pattern4, pattern1] for pattern in patterns: print re.findall(pattern, s) btw... when i say im trying it against this site.. I'm trying it against the webpage source.

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• Another problem with decltype

  - by There is nothing we can do

  template<class IntT, IntT low = IntT(), IntT high = IntT()> struct X { static_assert(std::is_same<decltype(low),decltype(high)>::value,"Different types not allowed");//this should give error if types are different decltype(low) a; decltype(high) b; X():a(decltype(a)()),b(decltype(b)())//WHY THIS DOES NOT COMPILE? { cout << typeid(a).name() << '\n'; cout << typeid(b).name() << '\n'; } }; int _tmain(int argc, _TCHAR* argv[]) { X<char,1,'a'> x;//this according to static_assert shouldn't compile but it does return 0; } Using VS2010. Please see 3 comments in code above.

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• can a program written in C be faster than one written in OCaml and translated to C?

  - by Ole Jak

  So I have some cool Image Processing algorithm. I have written it in OCaml. It performs well. I now I can compile it as C code with such command ocamlc -output-obj -o foo.c foo.ml (I have a situation where I am not alowed to use OCaml compiler to bild my programm for my arcetecture, I can use only specialy modified gcc. so I will compile that programm with sometyhing like gcc -L/usr/lib/ocaml foo.c -lcamlrun -lm -lncurses and Itll run on my archetecture.) I want to know in general case can a program written in C be faster than one written in OCaml and translated to C?

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• Functions without arguments, with unit as argument in scala

  - by scout

  def foo(x:Int, f:Unit=>Int) = println(f()) foo(2, {Unit => 3+4} //case1 def loop:Int = 7 foo(2, loop) //does not compile changing loop to //case 2 def loop():Int = 7 foo(2, loop) // does not compile changing loop to //case 3 def loop(x:Unit): Int = 7 //changing according to Don's Comments foo(2,loop) // compiles and works fine should'nt case 1 and case 2 also work? why are they not working? defining foo as def foo(x:Int, y:()=>Int) then case 2 works but not case 1. Arent they all supposed to work, defining the functions either way. //also i think ()=Int in foo is a bad style, y:=Int does not work, comments??

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• How to link .lib library in linux

  - by giga

  I'm pretty new to c programming and want to port a windows c application to linux. My code uses a .lib file va_g729.lib - is it possible to use the same library in Linux and compile it with gcc? All my .c and .h files along with the one .lib files are in the same directory. What I'm doing now is executing this command in the directory: gcc *.c -lm and I get following errors: lbcodec2.c:(.text+0xa6b): undefined reference to `va_g729a_init_encoder' lbcodec2.c:(.text+0xa83): undefined reference to `va_g729a_encoder' collect2: error: ld returned 1 exit status Is it possible to link the .lib file and compile with gcc? Thanks.

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• F# equivalent of the C# typeof(IEnumerable<>)

  - by Rune FS

  I have a piece of code where I need to figure out if a given type implements IEnumerable (I don't care about the T) I've tried (t:System.Type in case you wonder) let interfaces = t.GetInterfaces() let enumerbale = interfaces.Any( fun t -> (t.GetGenericTypeDefinition() = typeof<IEnumerable<>>) however that wont compile (the compile don't like the <). I then tried let interfaces = t.GetInterfaces() let enumerbale = interfaces.Any( fun t -> (t.GetGenericTypeDefinition() = typeof<IEnumerable<'a>>) but get's a warning that 'a is constraint to obj. I Don't want to figure out if IEnumerable is implemented but IEnumerabl<. Any one know's the solution and btw feel free to comment on the code above as well. It's my first non-trivial F# program

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• Compilation failing - no #include - boost

  - by jwoolard

  Hi, I'm trying to compile a third-party library, but g++ is complaining about the following line: typedef boost::shared_ptr<MessageConsumer> MessageConsumerPtr; The strange thing is, there is no #include directive in the file - and it is clearly supposed to be this way; there are about 60 files with the same (or very similar) issues. Clearly if there was an #include directive referencing the relevant boost header this would compile cleanly. My question is: how can I get g++ to somehow automagically find the relevant symbol (in all instances of this issue, it is a namespace that can't be found - usually std:: or boost::) by either automatically processing the relevant header (or some other mechanism). Thanks. Edit My current g++ call looks like: g++ -fPIC -O3 -DUSING_PCH -D_REENTRANT -I/usr/include/boost -I./ -c MessageInterpreter.cpp -o MessageInterpreter.o

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• implementing runat in HtmlTextWriterAttribute

  - by user525116

  Hi dear friends, I have a custom asp.net control. public class Window : WebControl { protected override void RenderContents(HtmlTextWriter wr) { wr.AddAttribute("runat", "server",true); wr.AddAttribute("id", this.UniqueID, false); wr.RenderBeginTag(HtmlTextWriterTag.Div); wr.RenderEndTag(); wr.WriteLine(); base.RenderContents(wr); } } And this is my result after compile and use the control: <cc1:Window ID="Window1" runat="server" /> Use standard definition DIV with standard format: <div runat="server" id="aaaa"></div> After compile my web page to use this web custom control, this is render browser source of my web page: <span id="Window1"><div runat="server" id="Window1"></div></span> <div id="aaaa"></div>

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• Why does a non-constant offsetof expression work?

  - by Chris J. Kiick

  Why does this work: #include <sys/types.h> #include <stdio.h> #include <stddef.h> typedef struct x { int a; int b[128]; } x_t; int function(int i) { size_t a; a = offsetof(x_t, b[i]); return a; } int main(int argc, char **argv) { printf("%d\n", function(atoi(argv[1]))); } If I remember the definition of offsetof correctly, it's a compile time construct. Using 'i' as the array index results in a non-constant expression. I don't understand how the compiler can evaluate the expression at compile time. Why isn't this flagged as an error?

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• (Java) Good Libraries and What they are.

  - by Tom Neyland

  Lets compile a list of 3rd party java libraries that we like and/or find useful. I will post my choices as a reply

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• pygame parachute

  - by user1473612

  I am using GUI2Exe to compile my python/pygame, game to a .exe I have a problem with the font module. using python 2.7 and the py2exe option in GUI2Exe I have updated python, pygame and py2exe with the 2.7 versions. My program runs fine but after I compile it with py2exe I get this. Here is the error I get: Fatal Python error: (pygame parachute) Segmentation Fault This application has requested the Runtime to terminate it in an unusual way. Please contact the application's support team for more information. My game starts off as a console and that part runs. But as soon as the display starts I get the crash. Thanks

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• Is it possible to supply template parameters when calling operator()?

  - by Paul

  I'd like to use a template operator() but am not sure if it's possible. Here is a simple test case that won't compile. Is there something wrong with my syntax, or is this simply not possible? struct A { template<typename T> void f() { } template<typename T> void operator()() { } }; int main() { A a; a.f<int>(); // This compiles. a.operator()<int>(); // This compiles. a<int>(); // This won't compile. return 0; }

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• C#: Resource file refactoring

  - by Svish

  Does anyone know of a good tool for refactoring resources in a visual studio 2008 solution? We have a number of resource files with translated text in an assembly used for localizing our application. But they have gotten a bit messy... I would like to rename some of the keys, and move some of them into other resource files. And I would like those changes be done in my code, and the translated versions of the resource files as well. Maybe a some analysis on what strings are missing in the translated versions, and what strings have been removed from the original as well... Does anyone know of a good visual studio extension or ReSharper plugin that can help me with this? Right now it is kind of a pain, because I have to first rename the key in the base resource file, then in the localized versions. And then compile to get all the compile errors resulting from the key which now have a different name, and then go through and fix them all... very annoying =/

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• Error including errno.h

  - by TechWiz

  Every time I try to compile a project that includes errno.h in linux, I get issues using the error codes. GCC spits out errors saying the error codes aren't declared and I get the same issue with 3rd party projects that are, of course, known to compile. I have the Linux headers for my kernel installed. Any suggestions as to what else it could be? edit: Snippet at error code: if ((res != 0) && (errno == EEXIST)) Snippet of includes: ... #include <dirent.h> #include <errno.h> #include <stdarg.h> ... as is with no ifdef edit: Well I'm convinced my system's Linux headers are hosed somehow... that, or I'm missing some environment vars.

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• db2 stored procedure. locking / releasing table

  I use a stored procedure to read/update/return certain fields in a journaled as400 table. I want to lock the table first and then release it after the record is updated. I tried tons of stuff, but releasing table is a problem. SP defines and opens cursor, selects record into variables and updates the record. I tried 'begin atomic', then lock table in exclusive mode and then when it's over, it doesn't release. Is there any statement i missing or do i need to compile it with certain parameters? I use a simple create procedure statement in AS400 navigator's sql panel to compile it. Will very appreciate some help with example. Thanks.

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• unable to start program problem in VS2008_C++

  - by epsilon_G

  Hi .. I was trying to code some projects .. but the I could't compile it , first I guess the code .. I change the code to the simplest code at all hello ... The same think , I can't compile it ... some one code with my VS and when he had compiled the program he had pressed of dialog box with "No" .. The prob is in the configuration of the IDE .. The system cannot find the file specified unfortunately , I uploaded the prob pics from my PC but I can't post them here

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• Dell PowerEdge R410: System asks to press F1 or F2

  - by hurikhan77

  We just installed an option card (PERC 6/i) into a brand-new Dell PowerEdge R410 and now the system does no unattended startup but instead asks me to press F1 to continue or F2 to enter system setup after printing the following message on the console: Fan 4 speed may change depending on system configuration and option card install. How do I make the system ignore this "problem" or whatever that is? This system is going to be installed at a remote data center and needs to be able to restart unattended. I do not want to ignore errors completely to not get endless restart loops in case of errors.

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• Random Windows application crashes on Windows Server Hyper-V Core 2012

  - by Marlamin

  We're having some issues with our Hyper-V Core 2012 R2 installation on a HP DL360G8. We have an identical server with Hyper-V Core 2012 (not R2) that does not have these issues. When logging off from the physical server/via remote desktop, we sometimes get this error: Configure-SMRemoting.exe - Application Error : The application was unable to start correctly (0xc0000142). Click OK to close the application. We've also once or twice seen a "memory could not be read" error mentioning LoginUI.exe (another Windows app in System32) but have been unable to get an exact description. It's rather worrying to get such errors on a fresh install of Hyper-V 2012 R2. Is this even anything to worry about? Things we've done: Memtest86+, no memory errors Checksummed the file that is crashing with the one in the verified correct ISO, files match Server firmware upgrade to latest firmware of all present hardware, no visible changes Remade the RAID5 array , no change Reinstalled a few times, no change Reinstall without applying Windows updates after, no change

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• Windows 7, IIS 7.5, Selfssl

  - by Steve

  The windows iis6 resource kit won't install on Windows 7 (Home Premium) so I copied it from another machine and selfssl.exe is giving me: Failed to generate the cryptographic key: 0x5 I tried the instructions here but am still getting the above error. I'm trying to set the common name of the certificate to a name other than the machine name so I can avoid the certificate errors in the browser. This is a test web application. I know I can just test with the browser errors, but I'd like to mimic real world conditions as much as possible. Is there any other way to generate your own ssl certificates for iis7.5?

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• Can't Remote Desktop to server after rebooting via Remote Desktop

  - by sh-beta

  When I reboot a Windows 2003 or Windows 2008 server via a Remote Desktop connection, the server comes back up and will not accept any RDP connections: the RDP client errors out with "Connection Refused." The Terminal Services service is running on the server and restarting it has no effect. No errors are logged on the server. The only way I've found to fix this is to login at the console or via the DRAC and reboot the machine again, which is an ugly solution for obvious reasons. Has anyone run into this before?

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• Project Server 2010 Beta - can't connect Project client to projects hosted on server

  - by Chris W

  We have a Project 2010 Beta installed on SharePoint 2010 Beta as test set-up whilst we wait for the release versions. Whilst the installation seemed to complete without any issues we're unable to open any projects within the Project 2010 client app. Project pops up an error 'Could not retrieve server initialization data'. My local event logs list some errors from MSSOAP that simply state an unanticipated error occurred during the processing of the request. The server doesn't log any errors. The Sharepoint set up is a farm containing 3 SharePoint servers. I log in to server 'PORTAL' but the Project Server stuff is configured to run on one of the other SharePoint boxes. I presume others have managed to get this working - has anyone got any ideas as to what could be wrong. Everything is patched correctly as far as I can tell.

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