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• Calling C/C++ library function from PHP

  - by Anon. BlackBerry Developer

  We have a PHP web app running on a customer's machine. For an update, we have a bit of code in C that we'd like to include as a native opaque library along with the PHP web app. How does one go about calling a C/C++ lib. function from PHP? It cannot be assumed that the PHP app, called by the web server, has any sort of permission to call an exec(), eval(), or system() type of function to execute a C wrapper driver which in turn uses the C/C++ library, so it would need to be a direct C library use from within the PHP code.

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• WM6x IMAPIAdviseSink::OnNotify threading issues

  - by violet313

  specifically WM6x, winCE5x Now my current understanding from trawling the msdn etal is that the IMAPIAdviseSink::OnNotify callback can be made from any old thread; from (ce)mapi or perhaps even from a third-party service provider. Under WM6x, i cannot seem to coax an in-thread response by invoking HrThisThreadAdviseSink, since while this function is declared in mapiutil.h, a definition appears not to exist (in cemapi.lib or wherever??) ~But i notice that all the OnNotify callbacks i receive derive from windows messages that i am receiving on my thread (=looks to me like an in-thread implementation in any case under cemapi)... So, can anyone confirm that this is infact always the case -or am i just getting lucky right now? ah, i should add that my advise source is IMAPISession::Advise erm i should also say that i might have cross-posted this on the msdn forum -but they're mostly numptys over there,,

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• Trouble creating a makefile

  - by catia

  Hi everyone! I'm having some trouble making a Makefile. Write now I just compile everything every time. Although, the professor is ok with that, I do want to get it working faster and to avoid unnecessary compiling. Here's what I have. FILES= p6.cpp SetIter.cpp Node.cpp Set.cpp CFLAGS= -ansi -pendantic -Wall -Wextra CC= g++ MakePg6: p6.cpp SetIter.cpp Node.cpp Set.cpp $(CC) $(CFLAGS) $(FILES) -o pg6 Node.cpp - node class Set.cpp - uses nodes. Friend of Node. SetIter.cpp - gets a set and uses a pointer to iterator through I'm confused with some of the depencies arising from the friends thing and the point of lib.o being included in the Makefile as some sites have. Any help is greatly appreciated. Thanks in advance.

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• What should I do to recompile my static library (originally written in VS6) in visual studio 2008?

  - by user370387

  There is a static library A with c++ classes wrapped by a C API in VS6. I developed a static library B in VS6 using callbacks from library A. The library B is used by the program C (commercial software) as a "user defined library" and linked to produce the program D. Questions: 1) When program C uses VS 6 it works, should it work fine with VS 2008? Because it doesn't. 2) When I tried to recompile library B in VS 2008 it gave me a .lib file with only 28KB, and the old one had more than 2MB. Is it ok? What Am I probably doing wrong? Thanks in advance

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• django-haystack urlpatterns include('haystack.urls') where does it lead to?

  - by Eugene

  I've recently begun to learn/install django/haystack/solr. Following the tutorial given in haystack site, I have urlpatterns = pattern('', r'^search/', include('haystack.urls')) I found haystack installed in /usr/local/lib/python2.6/dist-packages/haystack and located urls.py there. It has urlpatterns=patterns('haystack.views', url(r'^$', SearchView(), name='haystack_search'),) I thought the second argument of url() should be callable object. I looked at the views.py and SearchView is a class. What is going on here? What's get called eventually?

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• Hudson + gitolite + virtual host on staging server

  - by takeshin

  I have a Ubuntu server which I want to be my continous integration server (for the Zend Application based projects) and the staging server as well. The team is pushing source files to the repository: /home/git/repositories/testing.git Then Hudson does the build, and the master branch is exported (maybe cloned is a better word) by git hudson plugin to: /var/lib/hudson/jobs/test/workspace/ The workspace contains .git folder as well, which is not necessary on my staging website. How do you set up virtual host to see the staging version of the content of the repository? Does the virtual host point to the workspace, or shall I export the files to another directory? What about the permissions and security? Hudson is the owner of all the workspace files. Do I have to do some post-build actions to set up access? P.S. If this question is more apropriate to serverfault, please migrate.

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• Will Algorithm written in OCaml compiled from C be Faster than Algorithm written in Pure C code?

  - 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 will my OCaml code compiled into C run faster than algorithm implemented in pure C?

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• x86 Assembly - printf doesn't print without "\n"

  - by Bitani

  So I'm confused. I'm going through the book "Programming from the Ground Up" and am working with using libraries. printf is working just fine so long as I include a "\n" in the string, but without it it will print absolutely nothing. Any idea why this happens? Code: .section .data my_str: .ascii "Jimmy Joe is %d years old!\n\0" my_num: .long 76 .section .text .globl _start _start: pushl my_num pushl $my_str call printf movl $1, %eax movl $0, %ebx int $0x80 Also, when I use -m elf_i386 for 32-bit mode and -dynamic-linker /lib/ld-linux.so.2 -lc to link, I get the warning ld: skipping incompatible /usr/lib64/libc.so when searching for -lc If that makes any difference, or if anybody has any suggestions as to how to have it load the 32-bit library directly. Thanks!

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• In Linux, how can I completely disregard the contents of /etc/ld.so.cache?

  - by BillyBBone

  Hi, For the purposes of prototyping a new set of shared libraries in a development sandbox (to which I don't have root access), I'd like to know how to execute a binary while completely overriding the contents of /etc/ld.so.cache, so that none of the system libraries get loaded. How can this be done? I have looked at mechanisms like setting the LD_LIBRARY_PATH environment variable or launching the program wrapped inside /lib/ld-linux.so, but these methods all seem to supplement the loading of libraries from /etc/ld.so.cache, but not override it completely. Help?

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• Why is it so hard to build a gtk programe without console using cmake in windows?

  - by Runner

  I'm following the tuto: http://zetcode.com/tutorials/gtktutorial/firstprograms/ It works but each time I double click on the executable,there is a console which I don't want it there. How do I get rid of that console? I tried this: add_executable(Cmd WIN32 cmd.c) But got this fatal error: MSVCRTD.lib(crtexew.obj) : error LNK2019: unresolved external symbol _WinMain@16 referenced in function ___tmainCRTStartup Cmd.exe : fatal error LNK1120: 1 unresolved externals While using gcc directly works: gcc -o Cmd cmd.c -mwindows .. I'm guessing it has something to do with the entry function: int main( int argc, char *argv[]),but why gcc works? How can I make it work with cmake?

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• Using Python, How to copy files in 'temporary internet files' folder in Windows

  - by pythBegin

  I am using this code to find files recursively in a folder , with size greater than 50000 bytes. def listall(parent): lis=[] for root, dirs, files in os.walk(parent): for name in files: if os.path.getsize(os.path.join(root,name))>500000: lis.append(os.path.join(root,name)) return lis This is working fine. But when I used this on 'temporary internet files' folder in windows, am getting this error. Traceback (most recent call last): File "<pyshell#4>", line 1, in <module> listall(a) File "<pyshell#2>", line 5, in listall if os.path.getsize(os.path.join(root,name))>500000: File "C:\Python26\lib\genericpath.py", line 49, in getsize return os.stat(filename).st_size WindowsError: [Error 123] The filename, directory name, or volume label syntax is incorrect: 'C:\\Documents and Settings\\khedarnatha\\Local Settings\\Temporary Internet Files\\Content.IE5\\EDS8C2V7\\??????+1[1].jpg' I think this is because windows gives names with special characters in this specific folder... Please help to sort out this issue.

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• Managing memory of polymorphic timed events with DLL

  - by Milo

  Here is my issue. My Gui library that I made supports timed events. Basically, I have a class called TimedEvent which users inherit from. They then do: addTimedEvent(new DerivedTimedEvent(...)); However given the nature of timed events, I manage the memory afterwards. So when the timed event has done its thing, my library calls delete on it. Although it runs fine, that is because the exe and the library were both built with msvc 2008. I think I might have trouble if I have 2 versions of the runtime, one for the lib, and one for the exe. What can I do to fix this? I can't create a factory because the derived type is on the exe side of things. I also cannot ask the user to call delete since they might not have a way to keep track of time, or know if the event was delayed for whatever reason. Thanks

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• PHP CURL sending POST to Django app issue

  - by Felipe Pelá

  This code in PHP sends a HTTP POST to a Django app using CURL lib. I need that this code sends POST but redirect to the page in the same submit. Like a simple form does. The PHP Code: $c = curl_init(); curl_setopt($c, CURLOPT_FOLLOWLOCATION, true); curl_setopt($c, CURLOPT_URL, "http://www.xxx.com"); curl_setopt($c, CURLOPT_POST, true); curl_setopt($c, CURLOPT_POSTFIELDS, 'Var='.$var); curl_exec($c); curl_close ($c); In this case, the PHP is sending the HTTP POST, but is not redirecting to the page. He is printing the result. My URL still .php and not a django/url/ I need be redirected to the django URL with the Post like a simple form in HTML does. Any Idea? Thanks.

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• server reboot has caused django project to lose directories

  - by wmfox3

  A fully functional Django project as well as a couple in development have all broken following the rebooting of the server. In addition to some pieces of the Django admin returning errors as well as missing .js and .css files, I'm getting errors like this when viewing pages that include images uploaded through the admin. Exception Type: TemplateSyntaxError Exception Value: Caught an exception while rendering: (2, 'No such file or directory') Exception Location: /usr/lib/pymodules/python2.6/django/template/debug.py in render_node, line 81 Python Executable: /usr/bin/python Python Version: 2.6.4 So did the reboot stomp on some part of my configuration/setup or did it fail to restart a critical piece?

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• What is this project/compilation source structure?

  - by Werner

  Hi, I am working on some project my boss sent to me. After unzipping, this is the structure of the files: executable_file config.mk doc include lib Makefile sources I have only worked with "usual" Makefile projects. But I do not undersatnd the meaning of config.mk here. Do you know which kind of "build" structure (what is the right name for this concept?) is it, and where can i find more information about this? I need to modify it, so it compiles in another hardware, so I do not know where I sohuld work on. Thanks

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• Linkage Error with Inherited Class

  - by metdos

  I have static library and another program which uses it. In the static library If I define header without inheretence it works fine. class TcpCommunication On the other hand If I use inheretence with a QT class, class TcpCommunication:public QTcpServer I'm getting linkage error when I compiling code which uses this static library. >MStoDKAPId.lib(TcpCommunication.obj) : error LNK2019: unresolved external symbol "__declspec(dllimport) public: virtual __thiscall QTcpServer::~QTcpServer(void)" (__imp_??1QTcpServer@@UAE@XZ) referenced in function "public: virtual __thiscall TcpCommunication::~TcpCommunication(void)" (??1TcpCommunication@@UAE@XZ) What can be the problem? Thanks.

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• Where to reopen a class in RoR

  - by Jeriko

  I'm attempting to reopen the String class in rails and add a bunch more methods for my app to use. Writing the code isn't a problem - my question is rather about where this code should go. It doesn't make sense to me to reopen a class inside a different model file, because it really has nothing to do with any of the models specifically. I thought perhaps somewhere in config or lib would make sense, but I'm not particularly well versed with RoR yet. To summarize, where would be the most logical place to define class-modifying code?

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• ctypes import not working on python 2.5

  - by user551906

  Hi, I am trying to import ctypes, and I am using Python 2.5.5 installed using macports (on Mac OS X 10.6). I get an error saying "ImportError: No module named _ctypes" (see details below). As I understand it ctypes is supposed to come preinstalled for python 2.5. Any suggestions? thanks, Saurabh Error details: $ python Python 2.5.5 (r255:77872, Nov 30 2010, 00:05:47) [GCC 4.2.1 (Apple Inc. build 5659)] on darwin Type "help", "copyright", "credits" or "license" for more information. import ctypes Traceback (most recent call last): File "", line 1, in File "/opt/local/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/ctypes/init.py", line 10, in from _ctypes import Union, Structure, Array ImportError: No module named _ctypes

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• C#: Custom assembly directory

  - by Svish

  Say we have an application which consists of one executable and 5 libraries. Regularly all of these will be contained in one directory and the libraries will be loaded from there. Is it possible to do so that I can have for example some of the libraries in one directory called Lib, and the rest in one called Lib2? So that the application directory would only contain the executable itself and the other assemblies would be contained in various logical directories. How can I do this? And I would like to know how to do the loading of the assemblies, but also how to make the building of the application put the assemblies in the right directory.

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• Hudson: where to download file and stop specific builds running ?

  - by Kim Jong Woo

  I have a file that is generated inside (hudson server) /var/lib/hudson/jobs/jobtitle/1/out.txt I need to fetch this file, but doing a GET request for http://myhudson:8090/job/jobtitle/1/out.txt doesn't actually locate the file. Basically, I have another box that will grab this file from the hudson server. This box will make the out.txt file available for download. Another challenge is the build number directories. How would I be able to use the hudson API to stop or delete the specific builds running ? I am forced to do iterate through all build numbers to send STOP or DELETE api call in php using wget to do the REST API call. This is not very efficient. for ($i=0; $i < 3000; $i++){ exec('wget -O /dev/null "http://myhudson:8090/job/' . 'jobtitle' . '/$i/stop"'); }

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• mod_perl and libs

  - by paulj3000

  Hi, I just installed my system with Oracle 64bit Linux5.4 running Apache Server version: Apache/2.2.3 and mod_perl 2. Now, I have my perl libraries set in a specific path: /my/perl/libs and I have adjusted my httpd.conf to compensate for this (I added the below): SetEnv MY_LIBS /my/perl/libs and in my cgi I'm setting my environment to compensate: use lib($ENV{'MY_LIBS'}); Now the problem: Sometimes my perl modules will recognize the path of /my/perl/libs and call all the functions appropriately, and sometimes they won't, thus thowing a 500 error. Some observations: when I restart apache (/etc/init.d/httpd restart), things work fine but then the 500 error comes up. Are there any ideas? What should I be looking at? Thanks

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• sqlite use in tcl script over nfs (or.. how to make standalone sqlite3 which can be run over nfs)

  - by wom

  Hello. I want to use an embed an sqlite database into an existing tcl application (Migrate from flat-file). Currently; our tcl interpreter is run from a network location; /bin/tclsh8.3 I do have an nfs $PATH for executables set for all users already; I am assuming I can place a standalone sqlite3 executible there; though I have been not found an easy way to compile a local lib independent sqlite yet... (all linux clients, running anything from red hat 9 to ubuntu 10.04) Anyone able to poke me in the right direction in building an sqlite3 standalone binary I can use in my nfs tcl install? Thanks, Chris

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• Linking Error: undefined reference to `MPI_Init' on Windows 7

  - by fatpipp

  I am using OpenMPI library to write a program to run on Windows 7. I compile and build with C Free 4.0, Mingw. Compiling is Ok but when the compiler links object, errors "undefined reference to ..." occurs. I have set the environment already: I added OpenMPI lib, include and bin folder into C Free Build Directories. I added them into Windows environment variables too. But the error still occurs. Can anyone tell me how to fix it? Thanks a lot.

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• convert the key in MIME encoded form in python

  - by jaysh

  this is the code : f = urllib.urlopen('http://pool.sks-keyservers.net:11371/pks/lookup?op=get&search= 0x58e9390daf8c5bf3') #Retrieve the public key from PKS data = f.read() decoded_bytes = base64.b64decode(data) print decoded_bytes i need to convert the key in MIME encoded form which is presently comes in (ascii armored) radix 64 format.for that i have to get this radix64 format in its binary form and also need to remove its header and checksum than coversion in MIME format but i didnt find any method which can do this conversion. i used the base64.b64decode method and its give me error: Traceback (most recent call last): File "RetEnc.py", line 12, in ? decoded_bytes = base64.b64decode(data) File "/usr/lib/python2.4/base64.py", line 76, in b64decode raise TypeError(msg) TypeError: Incorrect padding what to do i'didnt getting .can anybody suggest me something related to this...... thanks!!!!

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• compiling QGIS Plugin using make

  - by user1675014

  On a fresh mac os x 10.8 install, i've Quantum GIS Installed from Kingchaos binaries and running fine. I'm trying to develop a plugin for QGIS, and using Plugin Builder. The skel that Plugin Builder, produces, should work off-the-shelf, but it does not compile using the makefile. Somewhere python can't find (pyuic.py), and it searches for (/Users/kyngchaos/...), path. This user does not exist on my system:( Here are my ENVS on .profile: export PATH=/Library/Frameworks/GDAL.framework/Programs:$PATH export PYTHONPATH=/Applications/QGIS.app/Contents/Resources/python export DYLD_LIBRARY_PATH="/Applications/QGIS.app/Contents/MacOS/lib:/Applications/Qgis.app/Contents/Frameworks" export PATH="/Applications/QGIS.app/Contents/MacOS/bin:$PATH" Here is the ouptput of make: Arthur@teste:make pyuic4 -o ui_teste.py ui_teste.ui /System/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python: can't open file '/Users/kyngchaos/Applications/qgis-python27/Applications/QGIS.app/Contents/MacOS/../Resources/python/PyQt4/uic/pyuic.py': [Errno 2] No such file or directory make: *** [ui_teste.py] Error 2 thanks for reading.

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