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  • Problem with messages framework in Django 1.2

    - by Konstantin
    Hello! I'm running Django 1.2 beta and trying out the new feature: message framework. http://docs.djangoproject.com/en/dev/ref/contrib/messages/ Everything seems to work, but when I try to output the messages, I get nothing. Seems that messages variable is empty. I double checked all the settings, they seem to be just like in the manual. What could be wrong? settings.py MIDDLEWARE_CLASSES = ( 'django.middleware.common.CommonMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.contrib.messages.middleware.MessageMiddleware', #send messages to users 'django.middleware.locale.LocaleMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', #debug tool 'debug_toolbar.middleware.DebugToolbarMiddleware', ) TEMPLATE_CONTEXT_PROCESSORS = ( 'django.contrib.messages.context_processors.messages', #send messages to users 'django.core.context_processors.auth', ) #Store messages in sessions MESSAGE_STORAGE = 'django.contrib.messages.storage.session.SessionStorage'; INSTALLED_APPS = ( 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', #'django.contrib.sites', 'django.contrib.admin', 'django.contrib.messages', 'debug_toolbar', #my apps #... ) views.py def myview(request): from django.contrib import messages messages.error(request, 'error test'); messages.success(request, 'success test'); return render_to_response('mytemplate.html', locals()); mytemplate.html {% for message in messages %} {{ message }}<br /> {% endfor %} In template nothing is outputted.

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  • Best cubicle toys for programming

    - by dlamblin
    I need some employee/co-worker Christmas gift ideas. Do you have any good cubicle toys that help you to do any of: think about programming problems solve programming problems by representing common abstractions can be directly programmed can interface with a PC based IDE to be programmed. it may present problems that can be solved, to kick start problem solving. Disallowed items are: reference material in book, pamphlet, poster or cheat-sheet form, even if it has kick ass pop-cultural references. edibles. [discuss separately] things that need their own lab-space and/or extensive tools to be worked with. So yes, Lego Mindstorms come to mind, but they aren't cubicle toys because they cost more than cubicle toys would, and they have too many losable parts. comments on the answers so far: The 20 Questions game sounds quite neat as it could get you thinking; The bean balls could be used as tokens in a problem, so I can see that working. The magnetic toys like ball of whacks or the ball-and-stick ones present hands on fun of a structural nature... now can there be a similar hands on fun toy that aids in representing a solution to a problem? The Gui Mags clearly could, but they're quite utility oriented. The AVR Butterfly is less of a toy but definitely priced attractively, cheaper and more responsive than a basic stamp. I'm not going to pick an answer; there's several great suggestions here. Thank you.

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  • ws-xmlrpc claims error on part of service but other clients work fine

    - by mludd
    I've been trying to connect to an rTorrent instance using ws-xmlrpc and it just isn't going too well. Now, the URL I'm using is the same that I've been using when making sure that rTorrent's XMLRPC support is fine (which it appears to be since both a native OS X application and a small python script I threw together appear to be able to talk to it just fine without any errors). However, when I try using ws-xmlrpc to connect I get org.apache.xmlrpc.XmlRpcException: Failed to create input stream: Unexpected end of file from serverat the top of my stack trace followed by a bunch of steps down to: java.net.SocketException: Unexpected end of file from server at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:769) ... So basically, it seems that ws-xmlrpc is convinced that the reply from rTorrent is malformed somehow but other libraries apparently have no problem with it. The code I use to call rTorrent is: private Object callRTorrent(String command, Object[] params) { Object result = null; try { // xmlrpcclient is an XmlRpcClient object and is instantied in // the class constructor result = xmlrpcclient.execute(command, params); } catch(XmlRpcException xre) { System.out.println("Unable to execute method "+command); xre.printStackTrace(); } return result; } With command set to system.listMethodsand params set to an empty Object[]. From reading documentation and googling my conclusion is that I'm not doing anything obviously wrong and this problem doesn't appear to be common, so does anyone have a clue what's going on here?

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  • HttpURLConnection: What is the minimum best-practice implementation?

    - by stormin986
    I've come across a lot of HttpURLConnection examples that are nothing more than openConnection(), getInputStream(), and then they just read the buffer and are done. It's simple but seems like it's not the best implementation ... it handles no problems. I don't yet know much about http, so I keep thinking I have everything covered until a new problem arises. I'm currently experiencing a similar problem to this one. Most times I try to read the same resource a second time (from a different HttpURLConnection object, after I .disconnect()'ed the previous one), the response code returns as -1 (but no exception is thrown!!). Before I knew to check the response code, I was baffled since I was throwing no exceptions. So, is there a minimum 'best practice' HttpURLConnection implementation? What are notable exceptions to handle? Request code checking? Any other error checks? What connection parameters do and don't need to be set (like doInput / doOutput, are these even necessary? Some examples have em, some don't). Etc. I realize this is kind of a broad question but I think it has potential to be a very useful resource if many of the common use cases and FAQs are addressed in one central place. This seems like the kind of thing a community wiki would be good for...

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  • Allowed unicode characters in IDN host labels

    - by Roland Franssen
    Hi all, Im currently working on a "proper" URI validator and currently it all comes down to hostname validation, the rest isnt that tricky. Im stuck at IDN hostname labels (e.g. containing unicode; possible punycode encoded strings have been decoded at this point). My first idea was basicly a regex for TLD's not supporting IDN and one for those who do (http://www.mozilla.org/projects/security/tld-idn-policy-list.html (?)). Respectively; ^[a-zA-Z0-9-]+$ and ^[a-zA-Z0-9-\p{L}]+$ However this is not an ideal situation, since every IDN registrar can decide which characters to allow and which not. What im looking for is a proper, consistent, up2date data table of unicode characters allowed in various TLD's; im getting this idea i have to find all the data myself at russian and chinese registry sites (which is quite difficult). So before spitting down the web.. i wondered is there such a list? Or are there better approaches, best/common practices etc? (I want the validation to be as strict as possible.) Any help is welcome! // Roland

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  • SPPersistedObject and List<T>

    - by Sam
    Hi I want sharepoint to "persist" a List of object I wrote a class SPAlert wich inherit from SPPersistedObject : public class SMSAlert: SPPersistedObject { [Persisted] private DateTime _scheduledTime; [Persisted] private Guid _listId; [Persisted] private Guid _siteID; } Then I wrote a class wich inherit from SPJobDefinition an add a List of my previous object: public sealed class MyCustomJob: SPJobDefinition { [Persisted] private List<SMSAlert> _SMSAlerts; } The problem is : when I call the Update method of y MyCustomJob: myCustomJob.Update(); It throw an exception : message : An object in the SharePoint administrative framework, depends on other objects which do not exist. Ensure that all of the objects dependencies are created and retry this operation. stack at Microsoft.SharePoint.Administration.SPConfigurationDatabase.StoreObject(SPPersistedObject obj, Boolean storeClassIfNecessary, Boolean ensure) at Microsoft.SharePoint.Administration.SPConfigurationDatabase.PutObject(SPPersistedObject obj, Boolean ensure) at Microsoft.SharePoint.Administration.SPPersistedObject.Update() at Microsoft.SharePoint.Administration.SPJobDefinition.Update() at Sigi.Common.AlertBySMS.SmsAlertHandler.ScheduleJob(SPWeb web, SPAlertHandlerParams ahp) inner exception An object in the SharePoint administrative framework depends on other objects which do not exist. The INSERT statement conflicted with the FOREIGN KEY constraint "FK_Dependencies1_Objects". The conflict occurred in database "SharePoint_Config, table "dbo.Objects", column 'Id'. The statement has been terminated. Can anyone help me with that??

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  • Ruby - Immutable Objects

    - by Chris Bunch
    I've got a highly multithreaded app written in Ruby that shares a few instance variables. Writes to these variables are rare (1%) while reads are very common (99%). What is the best way (either in your opinion or in the idiomatic Ruby fashion) to ensure that these threads always see the most up-to-date values involved? Here's some ideas so far that I had (although I'd like your input before I overhaul this): Have a lock that most be used before reading or writing any of these variables (from Java Concurrency in Practice). The downside of this is that it puts a lot of synchronize blocks in my code and I don't see an easy way to avoid it. Use Ruby's freeze method (see here), although it looks equally cumbersome and doesn't give me any of the synchronization benefits that the first option gives. These options both seem pretty similar but hopefully anyone out there will have a better idea (or can argue well for one of these ideas). I'd also be fine with making the objects immutable so they aren't corrupted or altered in the middle of an operation, but I don't know Ruby well enough to make the call on my own and this question seems to argue that objects are highly mutable.

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  • Resolving MSBuild 4.0 warnings

    - by Hadi Eskandari
    I've upgraded a solution to use MSBuild 4.0. It compiles but I get lots of warnings, for example: "T:\projects\Castle.Core\buildscripts\Build.proj" (Package target) (1) - "T:\projects\Castle.Core\Castle.Core-vs2008.sln" (Build target) (2:2) - "T:\projects\Castle.Core\src\Castle.DynamicProxy.Tests\Castle.DynamicProxy.Tests-vs2008.csproj" (default target) (3:2) - D:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets(847,9): warning MSB3644: The reference assemblies for framework ".NETFramework,Version=v4.0.30319" were not found. To resolve this, install the SDK or Targeting Pack for this framework version or retarget your application to a version of the framework for which you have the SDK or Targeting Pack installed. Note that assemblies will be resolved from the Global Assembly Cache (GAC) and will be used in place of reference assemblies. Therefore your assembly may not be correctly targeted for the framework you intend. [T:\projects\Castle.Core\src\Castle.DynamicProxy.Tests\Castle.DynamicProxy.Tests-vs2008.csproj] How can I fix these warnings? It is related to .NET 4.0 Multitargeting pack or SDK, but there's no SDK for .NET 4.0 AFAIK and Multi-Target pack can not be installed separatly. Any ideas would be appreciated.

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  • How to inject a Session Bean into a Message Driven Bean?

    - by Hank
    Hi guys, I'm reasonably new to JEE, so this might be stupid.. bear with me pls :D I would like to inject a stateless session bean into a message-driven bean. Basically, the MDB gets a JMS message, then uses a session bean to perform the work. The session bean holds the business logic. Here's my Session Bean: @Stateless public class TestBean implements TestBeanRemote { public void doSomething() { // business logic goes here } } The matching interface: @Remote public interface TestBeanRemote { public void doSomething(); } Here's my MDB: @MessageDriven(mappedName = "jms/mvs.TestController", activationConfig = { @ActivationConfigProperty(propertyName = "acknowledgeMode", propertyValue = "Auto-acknowledge"), @ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Queue") }) public class TestController implements MessageListener { @EJB private TestBean testBean; public TestController() { } public void onMessage(Message message) { testBean.doSomething(); } } So far, not rocket science, right? Unfortunately, when deploying this to glassfish v3, and sending a message to the appropriate JMS Queue, I get errors that glassfish is unable to locate the TestBean EJB: java.lang.IllegalStateException: Exception attempting to inject Remote ejb-ref name=mvs.test.TestController/testBean,Remote 3.x interface =mvs.test.TestBean,ejb-link=null,lookup=null,mappedName=,jndi-name=mvs.test.TestBean,refType=Session into class mvs.test.TestController Caused by: com.sun.enterprise.container.common.spi.util.InjectionException: Exception attempting to inject Remote ejb-ref name=mvs.test.TestController/testBean,Remote 3.x interface =mvs.test.TestBean,ejb-link=null,lookup=null,mappedName=,jndi-name=mvs.test.TestBean,refType=Session into class mvs.test.TestController Caused by: javax.naming.NamingException: Lookup failed for 'java:comp/env/mvs.test.TestController/testBean' in SerialContext [Root exception is javax.naming.NamingException: Exception resolving Ejb for 'Remote ejb-ref name=mvs.test.TestController/testBean,Remote 3.x interface =mvs.test.TestBean,ejb-link=null,lookup=null,mappedName=,jndi-name=mvs.test.TestBean,refType=Session' . Actual (possibly internal) Remote JNDI name used for lookup is 'mvs.test.TestBean#mvs.test.TestBean' [Root exception is javax.naming.NamingException: Lookup failed for 'mvs.test.TestBean#mvs.test.TestBean' in SerialContext [Root exception is javax.naming.NameNotFoundException: mvs.test.TestBean#mvs.test.TestBean not found]]] So my questions are: - is this the correct way of injecting a session bean into another bean (particularly a message driven bean)? - why is the naming lookup failing? Thanks for all your help! Cheers, Hank

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  • Compression algorithm for IEEE-754 data

    - by David Taylor
    Anyone have a recommendation on a good compression algorithm that works well with double precision floating point values? We have found that the binary representation of floating point values results in very poor compression rates with common compression programs (e.g. Zip, RAR, 7-Zip etc). The data we need to compress is a one dimensional array of 8-byte values sorted in monotonically increasing order. The values represent temperatures in Kelvin with a span typically under of 100 degrees. The number of values ranges from a few hundred to at most 64K. Clarifications All values in the array are distinct, though repetition does exist at the byte level due to the way floating point values are represented. A lossless algorithm is desired since this is scientific data. Conversion to a fixed point representation with sufficient precision (~5 decimals) might be acceptable provided there is a significant improvement in storage efficiency. Update Found an interesting article on this subject. Not sure how applicable the approach is to my requirements. http://users.ices.utexas.edu/~burtscher/papers/dcc06.pdf

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  • Apache is sending php files to my browser instead of parsing

    - by justen doherty
    i have to setup php on an existing web host, i have made a virtual host entry but for some reason apache is sending the php to the browser instead of parsing.. from googling around it looks like its a problem with the mimetypes, but im not an apache expert by any means - so if anyone can help it would be appreciated... i have the following in my httpd.conf AddHandler php5-script php DirectoryIndex index.html index.phtml index.php index.phps AddType application/x-httpd-php .phtml AddType application/x-httpd-php .php AddType application/x-httpd-php-source .phps the php module is loaded into apache: /usr/sbin/apachectl -M Loaded Modules: core_module (static) mpm_prefork_module (static) http_module (static) so_module (static) auth_basic_module (shared) auth_digest_module (shared) authn_file_module (shared) authn_alias_module (shared) authn_anon_module (shared) authn_dbm_module (shared) authn_default_module (shared) authz_host_module (shared) authz_user_module (shared) authz_owner_module (shared) authz_groupfile_module (shared) authz_dbm_module (shared) authz_default_module (shared) ldap_module (shared) authnz_ldap_module (shared) include_module (shared) log_config_module (shared) logio_module (shared) env_module (shared) ext_filter_module (shared) mime_magic_module (shared) expires_module (shared) deflate_module (shared) headers_module (shared) usertrack_module (shared) setenvif_module (shared) mime_module (shared) dav_module (shared) status_module (shared) autoindex_module (shared) info_module (shared) dav_fs_module (shared) vhost_alias_module (shared) negotiation_module (shared) dir_module (shared) actions_module (shared) speling_module (shared) userdir_module (shared) alias_module (shared) rewrite_module (shared) proxy_module (shared) proxy_balancer_module (shared) proxy_ftp_module (shared) proxy_http_module (shared) proxy_connect_module (shared) cache_module (shared) suexec_module (shared) disk_cache_module (shared) file_cache_module (shared) mem_cache_module (shared) cgi_module (shared) version_module (shared) fcgid_module (shared) perl_module (shared) php5_module (shared) proxy_ajp_module (shared) ssl_module (shared) and this is my virtual host entry: ServerName viridor-cms.co.uk ServerAlias www.viridor-cms.co.uk UseCanonicalName Off DocumentRoot /var/www/vhosts/viridor-cms.co.uk/httpdocs CustomLog /var/www/vhosts/viridor-cms.co.uk/cms-access_log common ErrorLog /var/www/vhosts/viridor-cms.co.uk/cms-error_log DirectoryIndex index.php index.html php_admin_flag engine on php_admin_flag safe_mode on php_admin_flag engine on php_admin_flag safe_mode on AddType application/x-httpd-php .php AddType application/x-httpd-php-source .phps please help, my head is so sore from banging it againest the table and the wall !

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  • rails + compass: advantages vs using haml + blueprint directly

    - by egarcia
    I've got some experience using haml (+sass) on rails projects. I recently started using them with blueprintcss - the only thing I did was transform blueprint.css into a sass file, and started coding from there. I even have a rails generator that includes all this by default. It seems that Compass does what I do, and other things. I'm trying to understand what those other things are - but the documentation/tutorials weren't very clear. These are my conclusions: Compass comes with built-in sass mixins that implement common CSS idioms, such as links with icons or horizontal lists. My solution doesn't provide anything like that. (1 point for Compass). Compass has several command-line options: you can create a rails project, but you can also "install" it on an existing rails project. A rails generator could be personalized to do the same thing, I guess. (Tie). Compass has two modes of working with blueprint: "basic" and "semantic" usage. I'm not clear about the differences between those. With my rails generator I only have one mode, but it seems enough. (Tie) Apparently, Compass is prepared to use other frameworks, besides blueprint (e.g. YUI). I could not find much documentation about this, and I'm not interested on it anyway - blueprint is ok for me (Tie). Compass' learning curve seems a bit stiff and the documentation seems sparse. Learning could be a bit difficult. On the other hand, I know the ins and outs of my own system and can use it right away. (1 point for my system). With this analysis, I'm hesitant to give Compass a try. Is my analysis correct? Are Am I missing any key points, or have I evaluated any of these points wrongly?

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  • Xapian gem failed to install on Mac OS X Snow Leopard + macports

    - by goodwill
    I have installed xapian-core + xapian-bindings with macports on snow leopard, then trying to install xapian gem fails: Building native extensions. This could take a while... ERROR: Error installing xapian: ERROR: Failed to build gem native extension. /opt/ruby-enterprise/bin/ruby extconf.rb ./configure --with-ruby checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... ./install-sh -c -d checking for gawk... no checking for mawk... no checking for nawk... no checking for awk... awk checking whether make sets $(MAKE)... yes checking how to create a ustar tar archive... gnutar checking build system type... i386-apple-darwin10.3.0 checking host system type... i386-apple-darwin10.3.0 checking for style of include used by make... GNU checking for gcc... gcc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking dependency style of gcc... gcc3 checking for a sed that does not truncate output... /usr/bin/sed checking for grep that handles long lines and -e... /usr/bin/grep checking for egrep... /usr/bin/grep -E checking for ld used by gcc... /usr/libexec/gcc/i686-apple-darwin10/4.2.1/ld checking if the linker (/usr/libexec/gcc/i686-apple-darwin10/4.2.1/ld) is GNU ld... no checking for /usr/libexec/gcc/i686-apple-darwin10/4.2.1/ld option to reload object files... -r checking for BSD-compatible nm... /usr/bin/nm checking whether ln -s works... yes checking how to recognize dependent libraries... pass_all checking how to run the C preprocessor... gcc -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking dlfcn.h usability... yes checking dlfcn.h presence... yes checking for dlfcn.h... yes checking for g++... g++ checking whether we are using the GNU C++ compiler... yes checking whether g++ accepts -g... yes checking dependency style of g++... gcc3 checking how to run the C++ preprocessor... g++ -E checking the maximum length of command line arguments... 196608 checking command to parse /usr/bin/nm output from gcc object... ok checking for objdir... .libs checking for ar... ar checking for ranlib... ranlib checking for strip... strip checking for dsymutil... dsymutil checking for nmedit... nmedit checking for -single_module linker flag... yes checking for -exported_symbols_list linker flag... yes checking if gcc supports -fno-rtti -fno-exceptions... no checking for gcc option to produce PIC... -fno-common checking if gcc PIC flag -fno-common works... yes checking if gcc static flag -static works... no checking if gcc supports -c -o file.o... yes checking whether the gcc linker (/usr/libexec/gcc/i686-apple-darwin10/4.2.1/ld) supports shared libraries... yes checking dynamic linker characteristics... darwin10.3.0 dyld checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... yes checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... no checking whether we are using the GNU C++ compiler... (cached) yes checking whether g++ accepts -g... (cached) yes checking dependency style of g++... (cached) gcc3 checking for xapian-config... /opt/local/bin/xapian-config checking /opt/local/bin/xapian-config works... yes checking whether to enable maintainer-specific portions of Makefiles... no checking for ruby1.8... no checking for ruby... /opt/ruby-enterprise/bin/ruby checking /opt/ruby-enterprise/bin/ruby version... ruby 1.8.7 (2009-06-12 patchlevel 174) [i686-darwin10.2.0], MBARI 0x6770, Ruby Enterprise Edition 2009.10 checking for /opt/ruby-enterprise/lib/ruby/1.8/i686-darwin10.2.0/ruby.h... yes checking ruby/io.h... no checking whether to use -fvisibility=hidden... yes configure: creating ./config.status config.status: creating Makefile config.status: creating xapian-version.h config.status: creating python/Makefile config.status: creating python/docs/Makefile config.status: creating php/Makefile config.status: creating php/docs/Makefile config.status: creating java/Makefile config.status: creating java/native/Makefile config.status: creating java/org/xapian/Makefile config.status: creating java/org/xapian/errors/Makefile config.status: creating java/org/xapian/examples/Makefile config.status: creating java-swig/Makefile config.status: creating tcl8/Makefile config.status: creating tcl8/docs/Makefile config.status: creating tcl8/pkgIndex.tcl config.status: creating csharp/Makefile config.status: creating csharp/docs/Makefile config.status: creating csharp/AssemblyInfo.cs config.status: creating ruby/Makefile config.status: creating ruby/docs/Makefile config.status: creating xapian-bindings.spec config.status: creating python/generate-python-exceptions config.status: creating config.h config.status: config.h is unchanged config.status: executing depfiles commands *** Building bindings for languages: ruby make make all-recursive Making all in ruby make all-recursive Making all in docs make all-am make[5]: Nothing to be done for `all-am'. /bin/sh ../libtool --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H -I. -I.. -I/opt/ruby-enterprise/lib/ruby/1.8/i686-darwin10.2.0 -I/opt/ruby-enterprise/lib/ruby/1.8/i686-darwin10.2.0 -fno-strict-aliasing -Wall -Wno-unused -Wno-uninitialized -fvisibility=hidden -I/opt/local/include -g -O2 -MT xapian_wrap.lo -MD -MP -MF .deps/xapian_wrap.Tpo -c -o xapian_wrap.lo xapian_wrap.cc ../libtool: line 393: /bin/sed: No such file or directory ../libtool: line 393: /bin/sed: No such file or directory ../libtool: line 792: /bin/sed: No such file or directory : ignoring unknown tag ../libtool: line 792: /bin/sed: No such file or directory *** Warning: inferring the mode of operation is deprecated. *** Future versions of Libtool will require --mode=MODE be specified. ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1103: /bin/sed: No such file or directory ../libtool: line 1156: /bin/sed: No such file or directory : compile: cannot determine name of library object from `' make[4]: *** [xapian_wrap.lo] Error 1 make[3]: *** [all-recursive] Error 1 make[2]: *** [all] Error 2 make[1]: *** [all-recursive] Error 1 make: *** [all] Error 2 extconf.rb:3:in `system!': unhandled exception from extconf.rb:6 Gem files will remain installed in /opt/ruby-enterprise/lib/ruby/gems/1.8/gems/xapian-1.0.15 for inspection. Results logged to /opt/ruby-enterprise/lib/ruby/gems/1.8/gems/xapian-1.0.15/gem_make.out Any idea pal?

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  • Lucene: Question of score caculation with PrefixQuery

    - by Keven
    Hi, I meet some problem with the score caculation with a PrefixQuery. To change score of each document, when add document into index, I have used setBoost to change the boost of the document. Then I create PrefixQuery to search, but the result have not been changed according to the boost. It seems setBoost totally doesn't work for a PrefixQuery. Please check my code below: @Test public void testNormsDocBoost() throws Exception { Directory dir = new RAMDirectory(); IndexWriter writer = new IndexWriter(dir, new StandardAnalyzer(Version.LUCENE_CURRENT), true, IndexWriter.MaxFieldLength.LIMITED); Document doc1 = new Document(); Field f1 = new Field("contents", "common1", Field.Store.YES, Field.Index.ANALYZED); doc1.add(f1); doc1.setBoost(100); writer.addDocument(doc1); Document doc2 = new Document(); Field f2 = new Field("contents", "common2", Field.Store.YES, Field.Index.ANALYZED); doc2.add(f2); doc2.setBoost(200); writer.addDocument(doc2); Document doc3 = new Document(); Field f3 = new Field("contents", "common3", Field.Store.YES, Field.Index.ANALYZED); doc3.add(f3); doc3.setBoost(300); writer.addDocument(doc3); writer.close(); IndexReader reader = IndexReader.open(dir); IndexSearcher searcher = new IndexSearcher(reader); TopDocs docs = searcher.search(new PrefixQuery(new Term("contents", "common")), 10); for (ScoreDoc doc : docs.scoreDocs) { System.out.println("docid : " + doc.doc + " score : " + doc.score + " " + searcher.doc(doc.doc).get("contents")); } } The output is : docid : 0 score : 1.0 common1 docid : 1 score : 1.0 common2 docid : 2 score : 1.0 common3

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  • Draw on screen border in Commodore 64

    - by Stefano Borini
    Ok. I hope it does not get closed because I have this curiosity since 25 years and I would love to understand the trick. In the commodore 64 the border was not addressable by the 6569 VIC. All you could do was to draw pixels in the central area, the one where the cursor moved. The border was always uniform, although you could change its color with poke 53280,color if i remember correctly. Nevertheless I clearly remember games intros where the border was featured with graphics, like it was fully addressable. I tried to understand how it worked but never got to the point. legends say it was a clever use of sprites, which could, under some circumstances, be drawn on the border, but I don't know if it's an urban legend. edit: just read this from one of the provided links Sprites were multiplexed across vertical raster lines (over 8 sprites, sometimes up to 120 sprites). Until the Group Crest released Krestage 3 in May 2007 there was the common perception that no more than 8 sprites could appear at one raster line, but assigning new Y coordinates made it reappear further down the screen. This is evil.... you beat the raster and reposition the sprite before it gets there...

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  • Is it a good practice to suppress warnings?

    - by Chris Cooper
    Sometimes while writing Java in Eclipse, I write code that generates warnings. A common one is this, which I get when extending the Exception class: public class NumberDivideException extends Exception { public NumberDivideException() { super("Illegal complex number operation!"); } public NumberDivideException(String s) { super(s); } } // end NumberDivideException The warning: The serializable class NumberDivideException does not declare a static final serialVersionUID field of type long. I know this warning is caused by my failure to... well, it says right above. I could solve it by including the serialVersionUID, but this is a one hour tiny assignment for school; I don't plan on serializing it anytime soon... The other option, of course, is to let Eclipse add @SuppressWarnings("serial"). But every time my mouse hovers over the Suppress option, I feel a little guilty. For programming in general, is it a good habit to suppress warnings? (Also, as a side question, is adding a "generated" serialVersionUID like serialVersionUID = -1049317663306637382L; the proper way to add a serialVersionUID, or do I have to determine the number some other way?)

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  • Django Comments and Rating Systems

    - by Patrick
    Hi Folks, I am looking for blogging and comments system that can smoothly integrate with my Django sites, I found there is a lot in the Net and get lost a bit, and I don't have much experience on this. Hope you guys can give me some suggestion. Here is the things that I would like to have: Tag Clouds, Articles Archive (by months/by years), Articles Rating (e.g. with Stars or customize icons), Comments to the particular Topic/Articles, Sub-Comments of a particular comments (i.e. following up comments) Blogs/Articles Searching Able to relate other articles that is relevant (i.e. follow up Articles) Pagination of the comments if get too long OpenIDs supports (e.g. facebook, hotmail, blogger, twitter...etc) Support login before user can comments Able to retrieve Blogs' Header and customized the display order Able to subscribe this article to RSS Able to Email this to friends (this may not belongs to the comments system) If I missed some common functions, please let me know, the comments system I am looking for should do most jobs that those popular comments system should do in the web, e.g. WordsPress. Thank you so much everyone. Have a nice day.

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  • How to upgrade all dependencies to a specific version

    - by Calm Storm
    Hi, I tried doing a mvn dependency:tree and I get a tree of dependencies. My question is, My project depends on many modules which internally depends on many spring artifacts. There are a few version clashes. I want to upgrade all spring related libraries to say the latest one (2.6.x or above). What is the preferred way to do this? Should I declare all the deps spring-context, spring-support (and 10 other artifacts) in my pom.xml and point them to 2.6.x ? Is there any other better method ? [INFO] +- com.xxxx:yyy-jar:jar:1.0-SNAPSHOT:compile [INFO] | +- com.xxxx:zzz-commons:jar:1.0-SNAPSHOT:compile [INFO] | | +- org.springframework:spring-dao:jar:2.0.7:compile [INFO] | | +- org.springframework:spring-jdbc:jar:2.0.7:compile [INFO] | | +- org.springframework:spring-web:jar:2.0.7:compile [INFO] | | +- org.springframework:spring-support:jar:2.0.7:compile [INFO] | | +- net.sf.ehcache:ehcache:jar:1.2:compile [INFO] | | +- commons-collections:commons-collections:jar:3.2:compile [INFO] | | +- aspectj:aspectjweaver:jar:1.5.3:compile [INFO] | | +- betex-commons:betex-commons:jar:5.5.1-2:compile [INFO] | | \- javax.servlet:servlet-api:jar:2.4:compile [INFO] | +- org.springframework:spring-beans:jar:2.0.7:compile [INFO] | +- org.springframework:spring-jmx:jar:2.0.7:compile [INFO] | +- org.springframework:spring-remoting:jar:2.0.7:compile [INFO] | +- org.apache.cxf:cxf-rt-core:jar:2.0.2-incubator:compile [INFO] | | +- org.apache.cxf:cxf-api:jar:2.0.2-incubator:compile [INFO] | | | +- org.apache.geronimo.specs:geronimo-activation_1.1_spec:jar:1.0-M1:compile [INFO] | | | +- org.codehaus.woodstox:wstx-asl:jar:3.2.1:compile [INFO] | | | +- org.apache.neethi:neethi:jar:2.0.2:compile [INFO] | | | \- org.apache.cxf:cxf-common-schemas:jar:2.0.2-incubator:compile UPDATE : I have removed the extra question about "\-" so my question is now what the subject asks for :)

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  • Statically Compiling Qt 4.6.2

    - by geeko
    This what I did but it results in errors: 1: In win32-msvc2008\qmake.conf I set QMAKE_CFLAGS_RELEASE = -O1 -Og -GL -MD 2: From MSVC2008 CMD I run vcvarsall.bat x86 and vcvars32.bat "C:\Program Files\Microsoft Visual Studio 9.0\VC\bin 3: From Qt 4.6.2 CMD I run the following C:\Qt\4.6.2configure -release -nomake examples -nomake demos -no-exceptions -n o-stl -no-rtti -no-qt3support -no-scripttools -no-openssl -no-opengl -no-webkit -no-phonon -no-style-motif -no-style-cde -no-style-cleanlooks -no-style-plastique -no-sql-sqlite -platform win32-msvc2008 -static -qt-libjpeg -qt-zlib -qt-libpng and then nmake However, I ended up every time with these errors: link /LIBPATH:"c:\Qt\4.6.2\lib" /LIBPATH:"c:\Qt\4.6.2\lib" /NOLOGO /INCR EMENTAL:NO /MANIFEST /MANIFESTFILE:"tmp\obj\release_static\assistant_adp.interme diate.manifest" /SUBSYSTEM:WINDOWS "/MANIFESTDEPENDENCY:type='win32' name='Micro soft.Windows.Common-Controls' version='6.0.0.0' publicKeyToken='6595b64144ccf1df ' language='' processorArchitecture=''" /OUT:......\bin\assistant_adp.exe @C :\DOCUME~1\Geeko\LOCALS~1\Temp\nm3F8.tmp fontpanel.obj : MSIL .netmodule or module compiled with /GL found; restarting li nk with /LTCG; add /LTCG to the link command line to improve linker performance main.obj : error LNK2001: unresolved external symbol "class QObject * __cdecl qt _plugin_instance_qjpeg(void)" (?qt_plugin_instance_qjpeg@@YAPAVQObject@@XZ) ......\bin\assistant_adp.exe : fatal error LNK1120: 1 unresolved externals NMAKE : fatal error U1077: '"C:\Program Files\Microsoft Visual Studio 9.0\VC\BIN \link.EXE"' : return code '0x460' Stop. NMAKE : fatal error U1077: '"C:\Program Files\Microsoft Visual Studio 9.0\VC\BIN \nmake.exe"' : return code '0x2' Stop. NMAKE : fatal error U1077: 'cd' : return code '0x2' Stop. NMAKE : fatal error U1077: 'cd' : return code '0x2' Stop. NMAKE : fatal error U1077: 'cd' : return code '0x2' Stop. Thank you in deed.

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  • Which type of file parsing easiest and efficient and good ?(html,pdf,csv,text)

    - by Harikrishna
    I want to parse the html file, pdf file, csv file and text file. Now parsing for which type of file (specified above) is easiest and efficient ? Like parsing for html file is easiest and efficient OR parsing for pdf file is easiest and efficient OR parsing for csv file is easiest and efficient ? I am asking this question because I want to parse pdf ,html ,csv and text file through common parsing code if possible. And now suppose if parsing for html is easiest and efficient then : I will write the parsing code for html file and will try to convert pdf file to the html file(if possible)so the code written for parsing html file will also work for pdf file also. And thus I will try to convert pdf,csv and text file to html file.And write the code for parsing html file and thus this code will parse html,pdf,csv and text file. Suppose if parsing for pdf is easiest and efficient then : I will convert html,csv and text file to pdf and write the code for parsing pdf file.So the code for parsing pdf file can parse html,csv and text file. So my question is (1) Which type of file parsing is easiest and efficient (pdf,csv,html,text) ? (2) And converting files(pdf,text,html,csv) to eachother is possible. Like if html parsing easiest then pdf to html,text to html and csv to html.

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  • Using Groovy as a scripting language...

    - by Zombies
    I prefer to use scripting languages for short tasks, anything such as a really simple http bot, bulk importing/exporting data to/from somewhere, etc etc... Basic throw-away scripts and simple stuff. The point being, that a scripting language is just an efficient tool to write quick programs with. As for my understanding of Groovy at this point... If you were to program in Groovy, and you wan't to write a quick script, wouldn't you be forced to going back to regular java syntax (and we know how that can be convoluted compared to a scripting language) in order to do anything more complicated? For example, if I want to do some http scripting, wouldn't I just be right back at using java syntax to invoke Commons HttpClient? To me, the point of a scripting language is for quickly typed and less forced constructs. And here is another thing, it doesn't seem that there is any incentive for groovy based libraries to be developed when there are already so many good java one's out there, thus making groovy appear to be a Java dependent language with minor scripting features. So right now I am wondering if I could switch to Groovy as a scripting language or continue to use a more common scripting language such as Perl, Python or Ruby.

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  • JAX-WS and JPA, how to load stub objects using JPA?

    - by opensas
    I'm trying to develope a soap web service that has to access a mysql db. I have to replicate an existing service, so I created all the stub object from it's wsdl file Netbeans created all the necessary stuff for me (new, web service from wsdl), it works ok... Now I'm trying to use JPA to load all those objects from the database. So far I was going fine, I created the classes using (new, entity class from database), and then copied all the annotations to the classes generated by wsimport, and it was working fine. The problem is that netbeans insists on running wsimport again, and then I loose all my annotations... Is there some way to tell netbeans not to regenerate those files? I think this situation shoulb be pretty common, I mean developing a web service from a wsdl and then having to fill those objects with data using JPA. what would be the correct aproach to this kind of situation? thanks a lot saludos sas I've also tried inheriting from the stubs, and addign there the persistence annotations, but I had troubles with overlaping members, I'm redeclaring protected properties...

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  • Filtering documents against a dictionary key in MongoDB

    - by Thomas
    I have a collection of articles in MongoDB that has the following structure: { 'category': 'Legislature', 'updated': datetime.datetime(2010, 3, 19, 15, 32, 22, 107000), 'byline': None, 'tags': { 'party': ['Peter Hoekstra', 'Virg Bernero', 'Alma Smith', 'Mike Bouchard', 'Tom George', 'Rick Snyder'], 'geography': ['Michigan', 'United States', 'North America'] }, 'headline': '2 Mich. gubernatorial candidates speak to students', 'text': [ 'BEVERLY HILLS, Mich. (AP) \u2014 Two Democratic and Republican gubernatorial candidates found common ground while speaking to private school students in suburban Detroit', "Democratic House Speaker state Rep. Andy Dillon and Republican U.S. Rep. Pete Hoekstra said Friday a more business-friendly government can help reduce Michigan's nation-leading unemployment rate.", "The candidates were invited to Detroit Country Day Upper School in Beverly Hills to offer ideas for Michigan's future.", 'Besides Dillon, the Democratic field includes Lansing Mayor Virg Bernero and state Rep. Alma Wheeler Smith. Other Republicans running are Oakland County Sheriff Mike Bouchard, Attorney General Mike Cox, state Sen. Tom George and Ann Arbor business leader Rick Snyder.', 'Former Republican U.S. Rep. Joe Schwarz is considering running as an independent.' ], 'dateline': 'BEVERLY HILLS, Mich.', 'published': datetime.datetime(2010, 3, 19, 8, 0, 31), 'keywords': "Governor's Race", '_id': ObjectId('4ba39721e0e16cb25fadbb40'), 'article_id': 'urn:publicid:ap.org:0611e36fb084458aa620c0187999db7e', 'slug': "BC-MI--Governor's Race,2nd Ld-Writethr" } If I wanted to write a query that looked for all articles that had at least 1 geography tag, how would I do that? I have tried writing db.articles.find( {'tags': 'geography'} ), but that doesn't appear to work. I've also thought about changing the search parameter to 'tags.geography', but am having a devil of a time figuring out what the search predicate would be.

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  • Using EJB in Wicket WebPage

    - by Errandir
    When I'm using @EJB annotation to access stateless EJB through remote interface in common HttpServlet, it works OK: public class ListMsgs extends HttpServlet { @EJB private Msgs msgsRI; ... protected void processRequest(...) ... { List msgs = msgsRI.getAll(); ... } ... } But when I'm trying the same thing in Wicket WebPage, I'm getting null in return for bean: public class ListM extends WebPage { @EJB private Msgs msgsRI; ... public ListM() { List msgs = msgsRI.getAll(); // NullPointerException ... } ... } The several lines of this “Unexpected RuntimeException” are: WicketMessage: Can't instantiate page using constructor public testapp.web.ListM() Root cause: java.lang.NullPointerException at testapp.web.ListM.<init>(ListM.java:22) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at org.apache.wicket.session.DefaultPageFactory.createPage(DefaultPageFactory.java:192) at org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:57) at org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.newPage(BookmarkablePageRequestTarget.java:298) at org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.getPage(BookmarkablePageRequestTarget.java:320) at org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.processEvents(BookmarkablePageRequestTarget.java:234) at org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:92) at org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1250) at org.apache.wicket.RequestCycle.step(RequestCycle.java:1329) at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1428) at org.apache.wicket.RequestCycle.request(RequestCycle.java:545) at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:479) at org.apache.wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:138) at javax.servlet.http.HttpServlet.service(HttpServlet.java:734) at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) .... There are ejb-module with bean and web-module with servlet and wicket web page deployed to GlassFish v2.1.1 server (if it makes any sense). What should I do to use my enterprise bean through remote interface in wicket webpage?

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  • android compile error: could not reserve enough space for object heap

    - by moonlightcheese
    I'm getting this error during compilation: Error occurred during initialization of VM Could not create the Java virtual machine. Could not reserve enough space for object heap What's worse, the error occurs intermittently. Sometimes it happens, sometimes it doesn't. It seems to be dependent on the amount of code in the application. If I get rid of some variables or drop some imported libraries, it will compile. Then when I add more to it, I get the error again. I've included the following sources into the application in the [project_root]/src/ directory: org.apache.httpclient (I've stripped all references to log4j from the sources, so don't need it) org.apache.codec (as a dependency) org.apache.httpcore (dependency of httpclient) and my own activity code consisting of nothing more than an instance of HttpClient. I know this has something to do with the amount of memory necessary during compile time or some compiler options, and I'm not really stressing my system while i'm coding. I've got 2GB of memory on this Core Duo laptop and windows reports only 860MB page file usage (haven't used any other memory tools. I should have plenty of memory and processing power for this... and I'm only compiling some common http libs... total of 406 source files. What gives? edit (4/30/2010-18:24): Just compiled some code where I got the above stated error. I closed some web browser windows and recompiled the same exact code with no edits and it compiled with no issue. this is definitely a compiler issue related to memory usage. Any help would be great.... because I have no idea where to go from here. Android API Level: 5 Android SDK rel 5 JDK version: 1.6.0_12 Sorry I had to repost this question because regardless of whether I use the native HttpClient class in the Android SDK or my custom version downloaded from apache, the error still occurs.

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