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• Plugin methods are missing in Firefox 3.6

  - by splintor

  Hi, We have a plugin that we use to enable printing and saving from our app. We instantiate it using tag with all needed attributes, and then call Save() or Print() method on the document.embeds[0] object. This used to work perfectly on Firefox 3.5 and earlier, but it no longer works in Firefox 3.6. In 3.6, document.embeds[0].Save is null, that is our custom methods are not defined on this object. Any idea why this happens, and what has changed in Firefox 3.6 that causes it? Any idea on how to debug it and find the cause? And most important, any idea of a workaround that will allow us to access this methods? Thanks, splintor

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• pointer being freed was not allocated

  - by kudorgyozo

  Hello i have the following error: malloc: * error for object 0x2087000: pointer being freed was not allocated * set a breakpoint in malloc_error_break to debug I have no idea what object that is. I don't know how to find it. Can anybody explain to me how (and where) to use malloc_history. I have set a breakpoint in malloc_error_break but i couldn't find out what object is at that address. I receive this after removing an object from an nsmutablearray and popping a view controller manually. If I comment out the line [reviewUpload.images removeObject: self.reviewUploadImg] it doesn't give me the error but of course it's not useful for me like that. - (void) removeImage { debugLog(@"reviewUploadImg %@", self.reviewUploadImg); debugLog(@"reviewUpload %@", self.reviewUpload); debugLog(@"reviewUploadImg thumb %@", self.reviewUploadImg.thumb); [reviewUpload.images removeObject: self.reviewUploadImg]; [self.navigationController popViewControllerAnimated:TRUE]; }

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• Django + dbxml + Apache = problems. Any solutions?

  - by Jason

  I'm trying to set up a Django application using WSGI. That works fine. However, I am having some issues with part of my Django app that uses BDB XML. My Apache config is as follows: Listen 8000 WSGISocketPrefix /tmp/wsgi <VirtualHost *:8000> ServerName <server name> DocumentRoot <path to doc root> LogLevel info WSGIScriptAlias / <path to wsgi> WSGIApplicationGroup %{GLOBAL} WSGIDaemonProcess debug threads=1 WSGIProcessGroup debug </VirtualHost> However, I'm still getting the following error: DB_ENV->repmgr_stat interface requires an environment configured for the replication subsystem [error] child died with signal 11 My environment is opened as: environment = DBEnv() environment.open( <absolute db env path>, DB_CREATE|DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_MPOOL, 0 ) I am using: python 2.6.2 apache 2.2 ubuntu 9.04 dbxml 2.5.13 compiled from source (so libdb-4.8, bsddb3, all that jazz) I see Apache seems to link to libdb-4.6. Is this a problem? ldd /usr/sbin/apache2 | grep libdb libdb-4.6.so => /usr/lib/libdb-4.6.so (0xb7c01000) Updated Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0xb5a48b90 (LWP 12700)] 0x00000000 in ?? () (gdb) thread apply all bt Thread 4 (Thread 0xb6a67b90 (LWP 12698)): #0 0xb7f11422 in __kernel_vsyscall () #1 0xb7de07b1 in select () from /lib/tls/i686/cmov/libc.so.6 #2 0xb7ea5bcf in apr_sleep () from /usr/lib/libapr-1.so.0 #3 0xb6d7afee in ?? () from /usr/lib/apache2/modules/mod_wsgi.so #4 0xb7ea38ec in ?? () from /usr/lib/libapr-1.so.0 #5 0xb7e6d4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #6 0xb7de849e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 3 (Thread 0xb6249b90 (LWP 12699)): #0 0xb7f11422 in __kernel_vsyscall () #1 0xb7de07b1 in select () from /lib/tls/i686/cmov/libc.so.6 #2 0xb7ea5bcf in apr_sleep () from /usr/lib/libapr-1.so.0 #3 0xb6d7ab39 in ?? () from /usr/lib/apache2/modules/mod_wsgi.so #4 0xb7ea38ec in ?? () from /usr/lib/libapr-1.so.0 #5 0xb7e6d4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #6 0xb7de849e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 2 (Thread 0xb5a48b90 (LWP 12700)): #0 0x00000000 in ?? () #1 0xb4f03b5e in DbXml::XmlManager::XmlManager () from /home/jason/dbxml-2.5.13/install/lib/libdbxml-2.5.so #2 0xb501b29b in _wrap_new_XmlManager (self=0x0, args=0xac66fcc) at dbxml_python_wrap.cpp:5183 #3 0xb6b77aed in PyCFunction_Call () from /usr/lib/libpython2.6.so.1.0 #4 0xb6b3198c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0 #5 0xb6bd70b5 in PyEval_EvalFrameEx () from /usr/lib/libpython2.6.so.1.0 #6 0xb6bdb910 in PyEval_EvalCodeEx () from /usr/lib/libpython2.6.so.1.0 #7 0xb6b6187a in ?? () from /usr/lib/libpython2.6.so.1.0 #8 0xb6b3198c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0 #9 0xb6b427a8 in ?? () from /usr/lib/libpython2.6.so.1.0 #10 0xb6b3198c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0 #11 0xb6b9ae03 in ?? () from /usr/lib/libpython2.6.so.1.0 #12 0xb6b90f55 in ?? () from /usr/lib/libpython2.6.so.1.0 #13 0xb6b3198c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0 #14 0xb6bd7618 in PyEval_EvalFrameEx () from /usr/lib/libpython2.6.so.1.0 #15 0xb6bdb910 in PyEval_EvalCodeEx () from /usr/lib/libpython2.6.so.1.0 #16 0xb6b6187a in ?? () from /usr/lib/libpython2.6.so.1.0 #17 0xb6b3198c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0 #18 0xb6b427a8 in ?? () from /usr/lib/libpython2.6.so.1.0 #19 0xb6b3198c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0 #20 0xb6bd3a34 in PyEval_CallObjectWithKeywords () from /usr/lib/libpython2.6.so.1.0 #21 0xb6b44a7d in PyInstance_New () from /usr/lib/libpython2.6.so.1.0 #22 0xb6b3198c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0 #23 0xb6bd7618 in PyEval_EvalFrameEx () from /usr/lib/libpython2.6.so.1.0 #24 0xb6bdb910 in PyEval_EvalCodeEx () from /usr/lib/libpython2.6.so.1.0 #25 0xb6b61969 in ?? () from /usr/lib/libpython2.6.so.1.0 #26 0xb6b3198c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0 #27 0xb6bd70b5 in PyEval_EvalFrameEx () from /usr/lib/libpython2.6.so.1.0 #28 0xb6bdb910 in PyEval_EvalCodeEx () from /usr/lib/libpython2.6.so.1.0 #29 0xb6b61969 in ?? () from /usr/lib/libpython2.6.so.1.0 #30 0xb6b3198c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0 #31 0xb6b427a8 in ?? () from /usr/lib/libpython2.6.so.1.0 #32 0xb6b3198c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0 #33 0xb6b9b483 in ?? () from /usr/lib/libpython2.6.so.1.0 #34 0xb6b3198c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0 #35 0xb6bd70b5 in PyEval_EvalFrameEx () from /usr/lib/libpython2.6.so.1.0 #36 0xb6bdab4f in PyEval_EvalFrameEx () from /usr/lib/libpython2.6.so.1.0 #37 0xb6bdb910 in PyEval_EvalCodeEx () from /usr/lib/libpython2.6.so.1.0 #38 0xb6b6187a in ?? () from /usr/lib/libpython2.6.so.1.0 #39 0xb6b3198c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0 #40 0xb6b427a8 in ?? () from /usr/lib/libpython2.6.so.1.0 #41 0xb6b3198c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0 #42 0xb6b9b483 in ?? () from /usr/lib/libpython2.6.so.1.0 #43 0xb6b3198c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0 #44 0xb6bd3a34 in PyEval_CallObjectWithKeywords () from /usr/lib/libpython2.6.so.1.0 #45 0xb6d7172d in ?? () from /usr/lib/apache2/modules/mod_wsgi.so #46 0xb6d7539f in ?? () from /usr/lib/apache2/modules/mod_wsgi.so #47 0xb6d7e1d8 in ?? () from /usr/lib/apache2/modules/mod_wsgi.so #48 0xb6d7a42c in ?? () from /usr/lib/apache2/modules/mod_wsgi.so #49 0xb6d7a8bd in ?? () from /usr/lib/apache2/modules/mod_wsgi.so #50 0xb6d7a9c5 in ?? () from /usr/lib/apache2/modules/mod_wsgi.so #51 0xb7ea38ec in ?? () from /usr/lib/libapr-1.so.0 #52 0xb7e6d4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #53 0xb7de849e in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 1 (Thread 0xb7460b00 (LWP 12697)): #0 0xb7f11422 in __kernel_vsyscall () #1 0xb7e75300 in sigwait () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7ea3f3b in apr_signal_thread () from /usr/lib/libapr-1.so.0 #3 0xb6d7b48d in ?? () from /usr/lib/apache2/modules/mod_wsgi.so #4 0xb6d7bc98 in ?? () from /usr/lib/apache2/modules/mod_wsgi.so #5 0xb6d79632 in ?? () from /usr/lib/apache2/modules/mod_wsgi.so #6 0xb7e9a2c9 in apr_proc_other_child_alert () from /usr/lib/libapr-1.so.0 #7 0x08092202 in ap_mpm_run () #8 0x080673c8 in main () #0 0x00000000 in ?? ()

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• Known problems with filemtime() on Windows - files getting touched arbitrarily?

  - by Pekka

  Is there a known issue leading to file modification times of cache files on Windows XP SP 3 getting arbitrarily updated, but without any actual change? Is there some service on a standard Windows XP - Backup, Sync, Versioning, Virus scanner - known to touch files? They all have a .txt extension. If there isn't, forget it. Then I'm getting something wrong in my cache routines, and I'll debug my way through. Background: I'm building a simple caching wrapper around a slow web site on a Windows server. I am comparing the filemtime() time stamp to some columns in the data base to determine whether a cached file is stale. I'm having problems using this method because the modification time of the cache files seems to get updated in between operations without me doing anything. THis results in stale files being displayed. I'm the only user on the machine. The operating system is Windows XP, the webserver a XAMPP Apache 2 with PHP 5.2

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• How to improve Varnish performance?

  - by Darkseal

  We're experiencing a strange problem with our current Varnish configuration. 4x Web Servers (IIS 6.5 on Windows 2003 Server, each installed on a Intel(R) Xeon(R) CPU E5450 @ 3.00GHz Quad Core, 4GB RAM) 3x Varnish Servers (varnish-3.0.3 revision 9e6a70f on Ubuntu 12.04.2 LTS - 64 bit/precise, Kernel Linux 3.2.0-29-generic, each installed on a Intel(R) Xeon(R) CPU E5450 @ 3.00GHz Quad Core, 4GB RAM) The Varnish Servers performance are awfully bad in general, to the point that if we shut down one of them the other two are unable to fullfill all the requests and start to skip beats resulting in pending requests, timeouts, 404, etc. What can we do to improve our Varnish performance? Considering that we're getting less than 5k request per seconds during our max peak, we should be able to serve our pages even with a single one of them without any problem. We use a standard, vanilla CFG, as shown by this varnishadm param.show output: acceptor_sleep_decay 0.900000 [] acceptor_sleep_incr 0.001000 [s] acceptor_sleep_max 0.050000 [s] auto_restart on [bool] ban_dups on [bool] ban_lurker_sleep 0.010000 [s] between_bytes_timeout 60.000000 [s] cc_command "exec gcc -std=gnu99 -g -O2 -pthread -fpic -shared - Wl,-x -o %o %s" cli_buffer 8192 [bytes] cli_timeout 20 [seconds] clock_skew 10 [s] connect_timeout 0.700000 [s] critbit_cooloff 180.000000 [s] default_grace 10.000000 [seconds] default_keep 0.000000 [seconds] default_ttl 120.000000 [seconds] diag_bitmap 0x0 [bitmap] esi_syntax 0 [bitmap] expiry_sleep 1.000000 [seconds] fetch_chunksize 128 [kilobytes] fetch_maxchunksize 262144 [kilobytes] first_byte_timeout 60.000000 [s] group varnish (113) gzip_level 6 [] gzip_memlevel 8 [] gzip_stack_buffer 32768 [Bytes] gzip_tmp_space 0 [] gzip_window 15 [] http_gzip_support off [bool] http_max_hdr 64 [header lines] http_range_support on [bool] http_req_hdr_len 8192 [bytes] http_req_size 32768 [bytes] http_resp_hdr_len 8192 [bytes] http_resp_size 32768 [bytes] idle_send_timeout 60 [seconds] listen_address :80 listen_depth 1024 [connections] log_hashstring on [bool] log_local_address off [bool] lru_interval 2 [seconds] max_esi_depth 5 [levels] max_restarts 4 [restarts] nuke_limit 50 [allocations] pcre_match_limit 10000 [] pcre_match_limit_recursion 10000 [] ping_interval 3 [seconds] pipe_timeout 60 [seconds] prefer_ipv6 off [bool] queue_max 100 [%] rush_exponent 3 [requests per request] saintmode_threshold 10 [objects] send_timeout 600 [seconds] sess_timeout 5 [seconds] sess_workspace 16384 [bytes] session_linger 50 [ms] session_max 100000 [sessions] shm_reclen 255 [bytes] shm_workspace 8192 [bytes] shortlived 10.000000 [s] syslog_cli_traffic on [bool] thread_pool_add_delay 2 [milliseconds] thread_pool_add_threshold 2 [requests] thread_pool_fail_delay 200 [milliseconds] thread_pool_max 2000 [threads] thread_pool_min 5 [threads] thread_pool_purge_delay 1000 [milliseconds] thread_pool_stack unlimited [bytes] thread_pool_timeout 300 [seconds] thread_pool_workspace 65536 [bytes] thread_pools 2 [pools] thread_stats_rate 10 [requests] user varnish (106) vcc_err_unref on [bool] vcl_dir /etc/varnish vcl_trace off [bool] vmod_dir /usr/lib/varnish/vmods waiter default (epoll, poll) This is our default.vcl file: LINK sub vcl_recv { # BASIC recv COMMANDS: # # lookup -> search the item in the cache # pass -> always serve a fresh item (no-caching) # pipe -> like pass but ensures a direct-connection with the backend (no-cache AND no-proxy) # Allow the backend to serve up stale content if it is responding slow. # This defines when Varnish should use a stale object if it has one in the cache. set req.grace = 30s; if (client.ip == "127.0.0.1") { # request from NGINX - do not alter X-Forwarded-For set req.http.HTTPS = "on"; } else { # Add an X-Forwarded-For to keep track of original request unset req.http.HTTPS; unset req.http.X-Forwarded-For; set req.http.X-Forwarded-For = client.ip; } set req.backend = www_director; # Strip all cookies to force an anonymous request when the back-end servers are down. if (!req.backend.healthy) { unset req.http.Cookie; } ## HHTP Accept-Encoding if (req.http.Accept-Encoding) { if (req.http.Accept-Encoding ~ "gzip") { set req.http.Accept-Encoding = "gzip"; } else if (req.http.Accept-Encoding ~ "deflate") { set req.http.Accept-Encoding = "deflate"; } else { unset req.http.Accept-Encoding; } } if (req.request != "GET" && req.request != "HEAD" && req.request != "PUT" && req.request != "POST" && req.request != "TRACE" && req.request != "OPTIONS" && req.request != "DELETE") { /* non-RFC2616 or CONNECT */ return (pipe); } if (req.request != "GET" && req.request != "HEAD") { /* only deal with GET and HEAD by default */ return (pass); } if (req.http.Authorization) { return (pass); } if (req.http.HTTPS ~ "on") { return (pass); } ###################################################### # COOKIE HANDLING ###################################################### # METHOD 1: do not remove cookies, but pass the page if they contain TB_NC if (!(req.url ~ "(?i)\.(png|gif|ipeg|jpg|ico|swf|css|js)(\?[a-z0-9]+)?$")) { if (req.http.Cookie && req.http.Cookie ~ "TB_NC") { return (pass); } } return (lookup); } # Code determining what to do when serving items from the IIS Server sub vcl_fetch { unset beresp.http.Server; set beresp.http.Server = "Server-1"; # Allow items to be stale if needed. This is the maximum time Varnish should keep an object. set beresp.grace = 1h; if (req.url ~ "(?i)\.(png|gif|ipeg|jpg|ico|swf|css|js)(\?[a-z0-9]+)?$") { unset beresp.http.set-cookie; } # Default Varnish VCL logic if (!beresp.cacheable || beresp.ttl <= 0s || beresp.http.Set-Cookie || beresp.http.Vary == "*") { set beresp.ttl = 120 s; return(hit_for_pass); } # Not Cacheable if it has specific TB_NC no-caching cookie if (req.http.Cookie && req.http.Cookie ~ "TB_NC") { set beresp.http.X-Cacheable = "NO:Got Cookie"; set beresp.ttl = 120 s; return(hit_for_pass); } # Not Cacheable if it has Cache-Control private else if (beresp.http.Cache-Control ~ "private") { set beresp.http.X-Cacheable = "NO:Cache-Control=private"; set beresp.ttl = 120 s; return(hit_for_pass); } # Not Cacheable if it has Cache-Control no-cache or Pragma no-cache else if (beresp.http.Cache-Control ~ "no-cache" || beresp.http.Pragma ~ "no-cache") { set beresp.http.X-Cacheable = "NO:Cache-Control=no-cache (or pragma no-cache)"; set beresp.ttl = 120 s; return(hit_for_pass); } # If we reach to this point, the object is cacheable. # Cacheable but with not enough ttl: we need to extend the lifetime of the object artificially # NOTE: Varnish default TTL is set in /etc/sysconfig/varnish # and can be checked using the following command: # varnishadm param.show default_ttl else if (beresp.ttl < 1s) { set beresp.ttl = 5s; set beresp.grace = 5s; set beresp.http.X-Cacheable = "YES:FORCED"; } # Cacheable and with valid TTL. else { set beresp.http.X-Cacheable = "YES"; } # DEBUG INFO (Cookies) # set beresp.http.X-Cookie-Debug = "Request cookie: " + req.http.Cookie; return(deliver); } sub vcl_error { set obj.http.Content-Type = "text/html; charset=utf-8"; if (obj.status == 404) { synthetic {" <!-- Markup for the 404 page goes here --> "}; } else if (obj.status == 500) { synthetic {" <!-- Markup for the 500 page goes here --> "}; } else if (obj.status == 503) { if (req.restarts < 4) { return(restart); } else { synthetic {" <!-- Markup for the 503 page goes here --> "}; } } else { synthetic {" <!-- Markup for a generic error page goes here --> "}; } } sub vcl_deliver { if (obj.hits > 0) { set resp.http.X-Cache = "HIT"; } else { set resp.http.X-Cache = "MISS"; } } Thanks in advance,

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• Integrating Hudson with MS Test?

  - by hangy

  Is it possible to integrate Hudson with MS Test? I am setting up a smaller CI server on my development machine with Hudson right now, just so that I can have some statistics (ie. FxCop and compiler warnings). Of course, it would also be nice if it could just run my unit tests and present their output. Up to now, I have added the following batch task to Hudson, which makes it run the tests properly. "%PROGRAMFILES%\Microsoft Visual Studio 9.0\Common7\IDE\MSTest.exe" /runconfig:LocalTestRun.testrunconfig /testcontainer:Tests\bin\Debug\Tests.dll However, as far as I know, Hudson does not support analysis of MS Test results, yet. Does anyone know whether the TRX files generated by MSTest.exe can be transformed to the JUnit or NUnit result format (because those are supported by Hudson), or whether there is any other way to integrate MS Test unit tests with Hudson?

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• Allowing developer-specific settings in VS2008 projects

  - by Xavier Nodet

  Is it possible to combine the following properties, and if so, how? Store in our version control system some Visual Studio 2008 native C++ project files for the developers in our team that use this IDE. Allow some of those developers to tweak their projects (e.g. using debug version of third-party libraries instead of the usual ones). Make sure these modifications are done in files that are not versioned. In other words, I would like to allow developers to tweak some settings in their projects without risking that these changes are committed. An 'optional VSPROP' file approach seems doomed to fail, as VS2008 refuses to load projects that refer to non-existent VSPROP files... Any other suggestion? Is this possible with VS2010?

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• How to get the height of an Image in Silverlight?

  - by Edward Tanguay

  I have this code in Silverlight: Image image = new Image(); BitmapImage bitmapImage= TheDatasourceManager.GetBitmapImage("blackPencil"); image.Source = bitmapImage; image.Stretch = Stretch.None; image.HorizontalAlignment = HorizontalAlignment.Left; image.VerticalAlignment = VerticalAlignment.Top; image.Margin = new Thickness(88, 88, 0, 0); grid.Children.Add(image); Now I want to find out the height of the image. in WPF I can get it with image.Source.Height but this is not available in Silverlight bitmapImage.Height doesn't exist either when I debug and examine the image object, I eventually get to PixelHeight which has an accurate height, but I can't seem to access it I find image.ActualHeight but it is 0. How can I get the height of the image?

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• Running sites on "localhost" is extremeley slow.

  - by seanxe

  Hello all, Having real trouble using my local host to test sites. It runs extremely slow! Sometimes up to a minute to load a page. I'm using firefox and the sites i'm testing run fine on other developers in my office local machines/ on the production server. I've gone through the normal things :- Disabled IPv6 Not running in debug mood Put the site in the highest app pool (High Isolated) on IIS 6. Taking of firewalls etc. The problem only seems to occur when hitting pages which contain some form of .net code in the code-behind. Appreciate that this a little bit of a vague topic / stab in the dark but would appreciate any sort of advice - it's horrible waiting a minute each refresh to try out a change! Cheers, Sean.

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• debugfs_create_file doesn't create file

  - by bala1486

  Hello, I am trying to create a debugfs file using the debugfs_create_file(...). I have written a sample code for this. static int __init mmapexample_module_init(void) { file1 = debugfs_create_file("mmap_example", 0644, NULL, NULL, &my_fops)\ ; printk(KERN_ALERT "Hello, World\n"); if(file1==NULL) { printk(KERN_ALERT "Error occured\n"); } if(file1==-ENODEV) { printk(KERN_ALERT "ENODEV occured\n"); } return 0; } When i ran insmod i could get the Hello, World message but no the error message. So i think the debugfs_create_file worked fine. However i couldn't find any file in /sys/kernel/debug. The folder is there but it is empty. Can anyone help me with this? Thank you... Thanks, Bala

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• Help using Lisp debugger

  - by Joel

  I'm trying understand how to interpret the output of, and use, the Lisp debugger. I've got a pretty simple Backtrace for the evaluation of my function, but I cann't seem to work out how to use it to find out in which Lisp 'form' in my function the exception occurred. I'd appreciate any clues as to what I should be doing, to find the source of the error. I've attached a screen shot (if it's too small to read I can re-post it in parts), with the debug output, the function and the repl (please ignore my very wrong function, I'm just interested in learning how to use the debugger properly). In addition, I hit 'v' on the first frame to go to the source, but this resulted in the error at the bottom of the screen.

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• xCode screensaver with openGL

  - by moka

  Hi, I am currently simply trying to build a simple screen saver in xcode 3.2 on osx 10.6.3 using an openGL view as described in this article: http://cocoadevcentral.com/articles/000089.php anyways even if I use the exact same code from the example all I see when testing the screen saver is a black screen. I looked in OSX Console if it tells me anything useful. the only thing I get is something like this: [0x0-0x1e01e].com.apple.systempreferences[629] System Preferences(629,0x7fff71071be0) malloc: reference count underflow for 0x20057be80, break on auto_refcount_underflow_error to debug. System Preferences[629] invalid context I have no idea what is wrong, so I would be glad if someone could tell me how to use openGL together with the screensaver template in xCode 3.2. Also, is there a way to make another target so I can preview the screensaver from within xCode? Thanks!

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• How do I add a VSTO project as a reference to a unit testing project?

  - by Mathias

  In order not to pollute my projects with unit tests, I like to create a separate project for my unit tests; I add a reference to the project under test in the unit tests project. However, this isn't working that well with my VSTO excel add-in projects: when I create a separate unit test project and go to Add Reference Projects, there is no project to pick. What I have done so far is Add Reference Browse, and pick the add-in dll from the debug folder. I have also run into issues from time to time with this, with the reference suddenly not working, requiring to remove/re-add the dll reference. Can anybody explain why a VSTO project doesn't show up as a regular project? And is there a better way to go about it than what I am doing presently?

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• noob iPhone "count" frustrations!?!?!

  - by codemonkey

  Okay, I know I must be doing something incredibly stupid here. Here's the sample code (which, when executed within a viewDidLoad block silently crashes... no error output to debug console). NSMutableArray *bs = [NSMutableArray arrayWithCapacity:10]; [bs addObject:[NSNumber numberWithInteger: 2]]; NSLog(@"%@", [bs count]); [bs release]; What am I missing? Oh... and in case anyone is wondering, this code is just me trying to figure out why I can't get the count of an NSMutableArray that actually matters somewhere else in the program.

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• iphone app hangs in AppDelegate (?)

  - by d_CFO

  No nib/IB, so I've inserted "myAppDelegate" in main and deleted the reference to main.xib in info.plist. Debug continues nicely through all five tab controllers; they seem to have gotten properly loaded into the nav controller. In fact, control passes out of the last "}" in applicationDidFinishLaunching. But there was no (visible) response back at [window addSubview:[tabBarController view]]; and [window makeKeyAndVisible]; statements, much less to the loadView within the first tab (program execution never gets there). The last line is, UIApplication _performInitializationWithURL:sourceBundleID:]. I missed a step? I executed a step improperly?

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• Win32: No Window Appears

  - by SoulBeaver

  I was programming the example code from Frank Luna's book "Introduction to 3D Game Programming with DirectX 10". The code is the first Win32 example in the Appendix A: Windows Programming section. Right now, the program compiles under both VC++ 2008/2010, but no window appears, although the debug session has started and I have to forcefully close it. I have no idea where it is, I'm not using Win32 Console mode, I have closed all other windows and no other IDE or session of VC++ is running. Any idea why this might be happening? PS: I have also checked my Processes. It is indeed running.

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• Dequeue from messageQueue in the PeekCompleted Method

  - by Fraga

  i'm reading messages from MessageQueue using PeekCompleted, i do my process here and if everything go right, I need to remove it from the Queue! currenty i am using MyMessageQueue.Receive() and it works, but is this a reliable way of making sure each message will be processed right? MessageQueue MyMessageQueue; public Form1() { InitializeComponent(); MyMessageQueue = new MessageQueue(@".\private$\Dms"); MyMessageQueue.PeekCompleted += new PeekCompletedEventHandler(MessageQueue_PeekCompleted); MyMessageQueue.Formatter = new XmlMessageFormatter(new Type[] { typeof(string) }); MyMessageQueue.BeginPeek(); } void MessageQueue_PeekCompleted(object sender, PeekCompletedEventArgs e) { try { Debug.WriteLine("ToProcess:" + e.Message.Body); //Long process that maybe fail MyMessageQueue.Receive(); } finally { MyMessageQueue.BeginPeek(); } }

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• Not able to generate correct build.xml for android test project

  - by user338656

  Hi, I have created a main android project using "android" utility. e.g. android create project --target 1 --name MyApp --path C:\testandroid\myui --activity LaunchActivity --package com.myui.activity build.xml got generated fine (has ant targets like debug, release etc) I generated a test android project (which depends on main project). I used "android" utility to do that. e.g. android create test-project --path C:\testandroid\myuitest --main ..\myui --name MfAppTest build.xml got generated but incorrect (does not have targets like run-tests). It has same targets as main project. Can someone help as where is the problem? Thx. Ashley

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• Google Calendar title displayed incorrectly

  - by Don

  Hi, I'm creating 2 Google calendars via the Java client API using the following Groovy method: private CalendarEntry createGoogleCalendar(User user) throws ServiceException { new CalendarEntry().with {calendar -> title = new PlainTextConstruct(user.email) summary = new PlainTextConstruct("Collection calendar for $user.email") timeZone = new TimeZoneProperty("America/Montreal") hidden = HiddenProperty.FALSE def savedCalendar = googleCalendar.insert(CALENDAR_URL, calendar) log.debug "Created calendar with title '$savedCalendar.title.plainText' for '$user.email'" return savedCalendar } } The logs show: CalendarService - Created calendar with title '[email protected]' for '[email protected]' CalendarService - Created calendar with title '[email protected]' for '[email protected]' so it appears that all is well. However when I look at the 1st calendar on the Google website, the title is shown as [email protected], though the summary is correctly shown as Collection calendar for [email protected]. Strangely, the title and summary are both shown correctly tor the 2nd calendar. This only started happening today, and I'm pretty sure the relevant code has not changed. I'm totally stumped....

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• InfoPath browser form submitting dirty fields changed through javascript

  - by Xavier

  I'm trying to submit an InfoPath browser form with fields that have been modified through the Spell Checker included in Sharepoint server. The spell checker checks all the fields in the page and once the user closes the SpellChecker dialog, it changes the textboxes with the new values through javascript. When I click Submit, debug the FormEvents_Submit in the form code behind and try to do a GetNodeValue("XPath to changed field"), it still shows the old values. I realize that this may be a problem of doing postbacks and I'd like to do a full page postback once the SpellChecker is done changing all the textboxes. Any suggestions would be appreciated. Thanks.

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• Is there a cap on the number of modules WinDbg can see?

  - by Bethor

  Does anyone know if there is a cap on the number of DLLs WinDbg can see ? I believe Visual Studio was once capped at 500 but I can't find a source for this claim outside of some second hand accounts at work. I'm trying to debug a hairy scenario and WinDbg's stack trace is incomplete. According to Process Explorer, the module I'm interested in is loaded but it doesn't show up in the output of 'lm' in WinDbg. Suspiciously, said output is exactly 500 modules long, even though I know there are many more than that loaded, leading me to believe WinDbg isn't seeing DLLs beyond the first 500. Can anyone confirm ? Or suggest some other reason why a loaded module might not show up in 'lm' ?

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• starting .net application from command prompt is having issue when path is in SHORTNAME

  - by ioWint

  when we start our .net application using a double click on the explorer or from command prompt where your folder path is proper full name then there is no issue at all. But when you start it from command prompt with the path being a Shortname involving a ~ the application behaves weird. IF is entering condition though the condition evaluates to FALSE in quick watch. Accessing a value of a variable in quick watch and immediate window shows value. but when you use it to assign to another variable in code, it returns NULL / no value. another observation: when you attach Visual studio to debug the app, and when you go about "Set as next statement" visual studio is giving options to select which dll to work up on. i have never seen this prompt before!

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• Windows service Null ReferenceException

  - by Patrick

  I built a windows service on my local machine. when I install and run it locally it works perfectly fine. When I try to move it to my production machine I get a null reference exception error. I've created an installation package that also works perfectly fine on my machine, but when i run it on the production machine the service still fails. The service references a .dll that in turn has references to 3 other dlls. when i build the project it pulls all of the dlls into the debug folder for the project... I've even installed the service from that folder and it works localy on my machine. I know this has to have something to do with the references, but this is beyond me. Any tips/hints would be appreciated.

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• Problems debugging using Cygwin gdb in Eclipse CDT(Helios)

  - by Rohan

  I am trying to debug an application using Eclipse CDT and cygwin gdb and I am facing a problem if my code calls Sleep(), it looks like whenever a sleep is encountered in the code the debugger seems to go in an infinite loop(I meant it never terminates or hit a breakpoint after sleep). On pressing pause the code is stuck on one of the thread on sigint::interrupt. Even my debugger console windows throw these error in the console output: [New thread 5968.0x1f98] Error: dll starting at 0x774a0000 not found. Error: dll starting at 0x775c0000 not found. [New thread 5968.0x19e8] Any idea what are these errors about? It would be helpful if someone can help me out here as I am new to eclipse and I am used to using VS so it has made be lazy to be honest and expect things to work out of box. Here are more details if required Windows 7 x64 bit. Eclipse 3.6 Helios with CDT plug-in compiled from the CVS head. Cygwin latest from website, I think it is 1.71

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• MongoDB db.serverStatus() gives error when running using tunnel that is targetted to api.cloudfoundry.com

  - by Ajay

  Following is the console session... C:\Users\xxx>vmc tunnel myMongoDB Getting tunnel connection info: OK Service connection info: username : uuuu password : pppp name : db url : mongodb://uuuu:[email protected]:25200/db Starting tunnel to myMongoDB on port 10000. 1: none 2: mongo 3: mongodump 4: mongorestore Which client would you like to start?: 2 Launching 'mongo --host localhost --port 10000 -u uuuu -p pppp db' MongoDB shell version: 2.0.6 connecting to: localhost:10000/db > db.serverStatus() { "errmsg" : "need to login", "ok" : 0 } > Which credentials should I use to login (assuming should use db.auth) to get rid of the error "{ "errmsg" : "need to login", "ok" : 0 }". When I run the same in micro CF on my machine it works ok and gives me the expected output. P.S. I'm trying this to get to know the current connections on my application, written in node.js. Trying to debug some issues with connections to the DB. If there is any other alternative that I can use please suggest that as well.

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