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• Android.mk - How to assemble and link ARM assembler files

  - by Kim

  Hi, I have some *.cpp source files and some *.s ARM assembler files I want to assemble and link in my Android.mk file (by running ndk-build script). My Android.mk file looks like this: LOCAL_PATH:= $(call my-dir) include $(CLEAR_VARS) LOCAL_ARM_MODE := arm LOCAL_MODULE := libTestJNI LOCAL_SRC_FILES := Test.cpp TestAS_gas4.s LOCAL_CFLAGS := -DHAVE_CONFIG_H -DFPM_ARM -ffast-math -O3 -DOPT_ARM LOCAL_LDLIBS += -llog include $(BUILD_SHARED_LIBRARY) Unfortunately the .s file is not recognized. ndk-build says: Gdbserver : [arm-linux-androideabi-4.4.3] libs/armeabi/gdbserver Gdbsetup : libs/armeabi/gdb.setup make: ** No rule to make target /cygdrive/c/projects/TestAS_gas4.s', needed by/cygdrive/c/projects/obj/local/armeabi/objs-debug/libTestJNI/TestAS_gas4.o'. Stop. In a "normal" makefile I would have to assemble by using "as" in a rule. How is it done in the Android.mk files? /Kim

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• Force creation of query execution plan

  - by Marc

  I have the following situation: .net 3.5 WinForm client app accessing SQL Server 2008 Some queries returning relatively big amount of data are used quite often by a form Users are using local SQL Express and restarting their machines at least daily Other users are working remotely over slow network connections The problem is that after a restart, the first time users open this form the queries are extremely slow and take more or less 15s on a fast machine to execute. Afterwards the same queries take only 3s. Of course this comes from the fact that no data is cached and must be loaded from disk first. My question: Would it be possible to force the loading of the required data in advance into SQL Server cache? Note My first idea was to execute the queries in a background worker when the application starts, so that when the user starts the form the queries will already be cached and execute fast directly. I however don't want to load the result of the queries over to the client as some users are working remotely or have otherwise slow networks. So I thought just executing the queries from a stored procedure and putting the results into temporary tables so that nothing would be returned. Turned out that some of the result sets are using dynamic columns so I couldn't create the corresponding temp tables and thus this isn't a solution. Do you happen to have any other idea?

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• Hibernate configuration files not found by Axis2

  - by DanJo519

  I am writing a web service to be deployed on Tomcat using Axis2. I am using Hibernate3 to persist data between the web service and a MySQL database. When running the application through by IDE, the method I am exposing through Axis2 works as intended, however when I deploy the .aar to Tomcat, I receive a SOAP Error claiming that hibernate.cfg.xml cannot be found. However, inside the .aar, I clearly see that all the configuration file and all the mapping files are included. I have determined a workaround: If I place the resulting files from the Netbeans build/class folder into the axis2/WEB-INF/class folder, then the application works as expected. My question, then, is is there a better way to deploy my application so that Axis2 will pick up the configuration and mapping files through the deployed .aar without my manually having to copy the contents of the build/class folder into the axis2/WEB-INF/class folder?

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• Good code highlighting, syntax analysis and code assist editor on js.erb and css.erb files

  - by Pickachu

  I want to know if there is a good compatible api that supports erb and javascript highlighting. I've already tried Eclipse with Aptana RadRails. Perhaps I'm configuring something wrong, but it guesses that I'm using html.erb on both css.erb and js.erb files. I've tried too the Emacs with js2-mode, nXhtml and Rinari modes. Again, it works fine for html.erb, but it detects the css.erb and js.erb as html.erb files. Maybe it's possible to configure it to accept that files and be compatible.

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• Data in two databases, eager spool resulting in query

  - by Valkyrie

  I have two databases in SQL2k5: one that holds a large amount of static data (SQL Database 1) (never updated but frequently inserted into) and one that holds relational data (SQL Database 2) related to the static data. They're separated mainly because of corporate guidelines and business requirements: assume for the following problem that combining them is not practical. There are places in SQLDB2 that PKs in SQLDB1 are referenced; triggers control the referential integrity, since cross-database relationships are troublesome in SQL Server. BUT, because of the large amount of data in SQLDB1, I'm getting eager spools on queries that join from the Id in SQLDB2 that references the data in SQLDB1. (With me so far? Maybe an example will help:) SELECT t.Id, t.Name, t2.Company FROM SQLDB1.table t INNER JOIN SQLDB2.table t2 ON t.Id = t2.FKId This query results in a eager spool that's 84% of the load of the query; the table in SQLDB1 has 35M rows, so it's completely choking this query. I can't create a view on the table in SQLDB1 and use that as my FK/index; it doesn't want me to create a constraint based on a view. Anyone have any idea how I can fix this huge bottleneck? (Short of putting the static data in the first db: believe me, I've argued that one until I'm blue in the face to no avail.) Thanks! valkyrie Edit: also can't create an indexed view because you can't put schemabinding on a view that references a table outside the database where the view resides. Dang it.

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• XML streaming with XProc.

  - by Pierre

  Hi all, I'm playing with xproc, the XML pipeline language and http://xmlcalabash.com/. I'd like to find an example for streaming large xml documents. for example, given the following huge xml document: <Books> <Book> <title>Book-1</title> </Book> <Book> <title>Book-2</title> </Book> <Book> <title>Book-3</title> </Book> <!-- many many.... --> <Book> <title>Book-N</title> </Book> </Books> How should I proceed to loop (streaming) over x-N documents like <Books> <Book> <title>Book-x</title> </Book> </Books> and treat each document with a xslt ? is it possible with xproc ?

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• Borland Starteam incorrect files status

  - by Kate

  I have some project saved in starteam. As there are a lot of obsolete files I can't check in or check out all project, only changed files. Now I copy project from one computer to another for other developer. I expect starteam treats copied project as new item for check in and check out, but it don't. Forexample: I modified file on fist computer. I update list of files on second computer and see this file in "check in" list, as I modified it on second computer. It is inncorrect. I think there is some configuration file or something like, that saves computer (or user) settings. So when project is copied, settings is copied too. Do anybody know how to change this configuration to set copied project as new instance of starteam???

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• What's the fastest way using lsof to find a single open file?

  - by jjclarkson

  I'm trying to test a single file if it is open using lsof. Is there a faster way than this? $result = exec('lsof | grep filename | wc -l'); if($result > 0) { //file is open } I'm thinking their must be a way to just test for one file if you know the filename. All I really need is a true or false.

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• Renaming and Moving Files in Bash

  - by KT

  HI, I'm completely new to Bash and StackOverflow. I need to move a set of files (all contained in the same folder) to a target folder where files with the same name could already exist. In case a specific file exists, I need to rename the file before moving it, by appending for example an incremental integer to the file name. The extensions should be preserved. The file names could contain dots in the middle. Originally, I was thinking about comparing the two folders to have a list of the existing files (I did this with "comm"), but then I got a bit stuck. I think I'm just trying to do things in the most complicated possible way. Any hint to do this in the "bash way"?

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• Full-text search error during full-text index population : Error Code '0x80092003'

  - by user360074

  Dear All, I have problem with Full-Text Search service in production environment. Each time I rebuild full-text catalog, there is no error in User Interface, but there is no data in Full-Text Catalog Item Count : 0 Catalog size : 0 MB OS : Windows Server 2003 R2 Standard Edition Service Pack2 SQL Server Version : Microsoft SQL Server 2005 - 9.00.1399.06 (Intel X86) Oct 14 2005 00:33:37 Copyright (c) 1988-2005 Microsoft Corporation Standard Edition on Windows NT 5.2 (Build 3790: Service Pack 2) It work on dev server (windows xp professional version 2002 service pack 3) but error on prod server (Windows Server 2003 R2 Standard Edition Service Pack2) This is error log. Scrawl Log: 2010-06-02 03:51:31.06 spid24s Informational: Full-text Full population initialized for table or indexed view '[test1].[dbo].[test]' (table or indexed view ID '37575172', database ID '9'). Population sub-tasks: 1. 2010-06-02 03:51:31.06 spid24s Error '0x80092003' occurred during full-text index population for table or indexed view '[test1].[dbo].[test]' (table or indexed view ID '37575172', database ID '9'), full-text key value 0x00000006. Attempt will be made to reindex it. 2010-06-02 03:51:31.06 spid24s The component 'MSFTE.DLL' reported error while indexing. Component path 'D:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Binn\MSFTE.DLL'. 2010-06-02 03:51:31.06 spid24s Error '0x80092003' occurred during full-text index population for table or indexed view '[test1].[dbo].[test]' (table or indexed view ID '37575172', database ID '9'), full-text key value 0x00000005. Attempt will be made to reindex it.

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• Temporary operation in a temporary directory in shell script

  - by jhs

  I need a fresh temporary directory to do some work in a shell script. When the work is done (or if I kill the job midway), I want the script to change back to the old working directory and wipe out the temporary one. In Ruby, it might look like this: require 'tmpdir' Dir.mktmpdir 'my_build' do |temp_dir| puts "Temporary workspace is #{temp_dir}" do_some_stuff(temp_dir) end puts "Temporary directory already deleted" What would be the best bang for the buck to do that in a Bash script? I want to trap

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• My Zend Framework 'quoting' mess.

  - by tharkun

  I've got a probably very simple issue to which I can't find a satisfactory (subjectively seen) answer in the Zend Framework manual or elsewhere... There are so many ways how I can hand over my php variables to my sql queries that I lost the overview and probably I lack some understanding about quoting in general. Prepared Statements $sql = "SELECT this, that FROM table WHERE id = ? AND restriction = ?"; $stmt = $this->_db->query($sql, array($myId, $myValue)); $result = $stmt->fetchAll(); I understand that with this solution I don't need to quote anything because the db handles this for me. Querying Zend_Db_Table and _Row objects over the API $users = new Users(); a) $users->fetchRow('userID = ' . $userID); b) $users->fetchRow('userID = ' . $users->getAdapter()->quote($userID, 'INTEGER')); c) $users->fetchRow('userID = ?', $userID); d) $users->fetchRow('userID = ?', $users->getAdapter()->quote($userID, 'INTEGER')); Questions I understand that a) is not ok because it's not quoted at all. But what about the other versions, what's the best? Is c) being treated like a statement and automatically quoted or do I need to use d) when I use the ? identifier?

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• How to use references, avoid header bloat, and delay initialization?

  - by Kyle

  I was browsing for an alternative to using so many shared_ptrs, and found an excellent reply in a comment section: Do you really need shared ownership? If you stop and think for a few minutes, I'm sure you can pinpoint one owner of the object, and a number of users of it, that will only ever use it during the owner's lifetime. So simply make it a local/member object of the owners, and pass references to those who need to use it. I would love to do this, but the problem becomes that the definition of the owning object now needs the owned object to be fully defined first. For example, say I have the following in FooManager.h: class Foo; class FooManager { shared_ptr<Foo> foo; shared_ptr<Foo> getFoo() { return foo; } }; Now, taking the advice above, FooManager.h becomes: #include "Foo.h" class FooManager { Foo foo; Foo& getFoo() { return foo; } }; I have two issues with this. First, FooManager.h is no longer lightweight. Every cpp file that includes it now needs to compile Foo.h as well. Second, I no longer get to choose when foo is initialized. It must be initialized simultaneously with FooManager. How do I get around these issues?

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• How do I do nested transactions in NHibernate?

  - by Gavin Schultz-Ohkubo

  Can I do nested transactions in NHibernate, and how do I implement them? I'm using SQL Server 2008, so support is definitely in the DBMS. I find that if I try something like this: using (var outerTX = UnitOfWork.Current.BeginTransaction()) { using (var nestedTX = UnitOfWork.Current.BeginTransaction()) { ... do stuff nestedTX.Commit(); } outerTX.Commit(); } then by the time it comes to outerTX.Commit() the transaction has become inactive, and results in a ObjectDisposedException on the session AdoTransaction. Are we therefore supposed to create nested NHibernate sessions instead? Or is there some other class we should use to wrap around the transactions (I've heard of TransactionScope, but I'm not sure what that is)? I'm now using Ayende's UnitOfWork implementation (thanks Sneal). Forgive any naivety in this question, I'm still new to NHibernate. Thanks! EDIT: I've discovered that you can use TransactionScope, such as: using (var transactionScope = new TransactionScope()) { using (var tx = UnitOfWork.Current.BeginTransaction()) { ... do stuff tx.Commit(); } using (var tx = UnitOfWork.Current.BeginTransaction()) { ... do stuff tx.Commit(); } transactionScope.Commit(); } However I'm not all that excited about this, as it locks us in to using SQL Server, and also I've found that if the database is remote then you have to worry about having MSDTC enabled... one more component to go wrong. Nested transactions are so useful and easy to do in SQL that I kind of assumed NHibernate would have some way of emulating the same...

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• How to split a path platform independent?

  - by Janusz

  I'm using the following code to get an array with all sub directories from a given path. String[] subDirs = path.split(File.separator); I need the array to check if certain folders are at the right place in this path. This looked like a good solution until findBugs complains that File.separator is used as a regular expression. It seems that passing the windows file separator to a function that is building a regex from it is a bad idea because the backslash being an escape character. How can I split the path in a cross platform way without using File.separator? Or is code like this okay? String[] subDirs = path.split("/");

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• Serving files inside of directories with ruby and mongrel

  - by AdamB

  I made a simple web server in Ruby using the Mongrel gem. It works great for files in a single directory, but I run into some path issues when inside a directory. Lets say we have 2 files in a directory named "dir1", "index.html" and "style.css". If we visit http://host/dir1/index.html, the file is found, but style.css isn't because it's trying to load "style.css" from http://host/style.css instead of inside the directory. index.html is trying to load style.css as if its in the same directory as itself. <link href="style.css" rel="stylesheet" type="text/css" /> I can get the file if I enter the full path of style.css: /dir1/style.css but it doesn't seem to remember it's already inside a directory and that no path before a filename should serve from the current directory. This is the ruby code im using to serve out files. require 'rubygems' require 'mongrel' server = Mongrel::HttpServer.new("0.0.0.0", "3000") server.register("/", Mongrel::DirHandler.new(".")) server.run.join

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• Is there a way in PHP to keep a file open and process each line and subsequent lines?

  - by Chris Denman

  I want to write a php script that keeps the apache_log file open and "listen" to the log and deal with each log entry as it happens. I'm thinking that I need to open a file, get the number of lines, then do this again in a loop - and when the size is different, read the new lines and process them. Am I barking up the wrong tree, or is there a silly easy solution that I have missed? Chris

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• Creating an installer with WPF forms, packaged files and custom setup actions

  - by RodH257

  I'm trying to create a way of deploying a set of tools (which are add-ins to 3rd party software) to my users. I would like to do the following: User Enters Serial Dlls in their directory structure is extracted to program files a file is copied to a location in ProgramData (this registers my add-ins to the 3rd party application) Online activation for software is performed Can anyone point me into the right direction for this? I had a look at deployment projects in Visual Studio but I'm not sure if they are what I'm after. Main problem is they are ugly, I would like to have a nice WPF installer, and have a more custom experience. But I guess that can be traded off if its going to make things easier. I was thinking, I could just make my own C# project that extracts the files, but I have no idea how to package them up and extract them all as part of one download (like the MSI files that the deployment projects create). Can anyone point me in the right direction?

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• Is there a fast way to jump to element using XMLReader?

  - by Derk

  I am using XMLReader to read a large XML file with about 1 million elements on the level I am reading from. However, I've calculated it will take over 10 seconds when I jump to -for instance- element 500.000 using XMLReader::next ([ string $localname ] ) or XMLReader::read ( void ) This is not very usable. Is there a faster way to do this?

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• How many SQL Server DBAs does an organization need?

  - by RickHeiges

  "How many SQL Server DBAs do we need?" - This is a question that often comes up in conversations with customers. Essentially, customers want to know if they have enough DBAs or too many. This is not a trivial question. If you do some research online via your favorite search engine, you will most likely come across numbers such as 40-65 DBs per DBA (for SQL Server). I remember finding another number relating to storage space instead of the number of DBs; the range was 3-5TB per DBA. I have had custoemrs...(read more)

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• Spring, autowire @Value from a database

  - by Guido

  I am using a properties File to store some configuration properties, that are accessed this way: @Value("#{configuration.path_file}") private String pathFile; Is it possible (with Spring 3) to use the same @Value annotation, but loading the properties from a database instead of a file ?

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• svn import, dont modify revision OR modify the list of files in a transaction

  - by Vaughan Durno

  Hi Ive gained so much knowledge/insight from this site in the past few years, now im actually hoping to get some enlightenment. The scenario is as follows: You have the general structure of the repo (trunk,branches,tags) but added to the layout you have another directory called 'db_revs'. Now in the pre-commit, you take a dump of a specific database (the specifics are irrelevant) into a temporary file, say /tmp/REV.sql (REV being the HEAD revision number of the repo, or the transaction). K all is well and you can just import that temp file into the repo at /db_revs/REV.sql Now obviously that import, even tho its happening during a commit, increments the revision of the repo. So when u do a commit at some point to say 'test.php' in the trunk and it completes at say revision 159, then the pre-commit runs as it should and the DB dump gets imported but then u r sitting with a tree in the repo-browser where 'trunk' is at revision 159, and 'db_revs', which has the imported dump, is at 158 (Ive made it so that the filename matches the revision ie: 159.sql but that file is then at revision 158). NB If you're doing an import in a pre-commit, you need to add some logic to not perform the import, say by checking first for the existence of the temp file, otherwise it will cause, um, a stack overflow and your PC will quickly crawl to a stand still So I wanted to know if it was possible to make an import to not commit its changes. I realise I might be barking up the wrong tree to begin with so I have another idea of doing this so that brings me to the 2nd part of my question, would it be possible to modify the list of files that the transaction is about to commit to the repo. I know this can be done to a WC but that wont help as a WC is a checked out copy of say the trunk so im not sure how u would add a file to the 'db_revs' folder which is above trunk? Any help is greatly appreciated Cheers Vaughan

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• How to Write to a User.Config file through ConfigurationManager?

  - by Josh G

  I'm trying to persist user settings to a configuration file using ConfigurationManager. I want to scope these settings to the user only, because application changes can't be saved on Vista/Win 7 without admin privileges. This seems to get me the user's configuration, which appears to be saved here in Win 7 ([Drive]:\Users\[Username]\AppData\Local\[ApplicationName]\[AssemblyName][hash]\[Version\) Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.PerUserRoamingAndLocal); Whenever I try to save any changes at all to this config I get this exception: InnerException: System.InvalidOperationException Message="ConfigurationSection properties cannot be edited when locked." Source="System.Configuration" StackTrace: at System.Configuration.SectionInformation.VerifyIsEditable() at System.Configuration.MgmtConfigurationRecord.GetConfigDefinitionUpdates(Boolean requireUpdates, ConfigurationSaveMode saveMode, Boolean forceSaveAll, ConfigDefinitionUpdates& definitionUpdates, ArrayList& configSourceUpdates) I have tried adding a custom ConfigurationSection to this config. I have tried adding to the AppSettingsSection. Whenever I call config.Save() it throws the exception above. Any ideas? I tried using the ApplicationSettingsBase class through the Project-Settings designer, but it doesn't appear that you can save custom types with this. I want similar functionality with the ability to save custom types. Thanks.

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• Is there a difference between only <NSXMLParserDelegate>, only setDelegate method, or the use of bot

  - by gotye

  Hey, I noticed that when I do this : [myParser setDelegate:self]; it works :D (even if I didn't add the code in the header file ... you know, the <delegateStuff, delegateOtherStuff> in the interface declaration) When are you supposed to modify the header file to make your delegate work ? Is the setDelegate method enough to make it work ? Cheers for any help ;) Gauthier

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• Absolute path of a file object

  - by Morgoth

  This has been discussed on StackOverflow before - I am trying to find a good way to find the absolute path of a file object, but I need it to be robust to os.chdir(), so cannot use f = file('test') os.path.abspath(f.name) Instead, I was wondering whether the following is a good solution - basically extending the file class so that on opening, the absolute path of the file is saved: class File(file): def __init__(self, filename, *args, **kwargs): self.abspath = os.path.abspath(filename) file.__init__(self, filename, *args, **kwargs) Then one can do f = File('test','rb') os.chdir('some_directory') f.abspath # absolute path can be accessed like this Are there any risks with doing this?

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