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• Accessing variables from included files in Ruby

  - by nickf

  How do you access variables which are defined in an included file? # inc.rb foo = "bar"; # main.rb require 'inc.rb' puts foo # NameError: undefined local variable or method `foo' for main:Object

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• How to find specific/local files via CMake

  - by Andreas Romeyke

  Hello, I have a problem with a locally installed library. In my project there is the xmlrpc++0.7-library: myproject/ +-- xmlrpc++0.7/ +-- src/ I want that CMake fallbacks using the local xmlrpc++0.7 directory if not found otherwise. Two problems, the first one, find_path() or find_library() does not work with local dir. I used a workaround testing if variables processed by find_xxx() are empty or not. If empty I set them manually. The cmake generates the Makefile without errors now. But if I want to compile the project via make, the c++ compiler returns "error: XmlRpc.h: file not found". The file XmlRpc.h lies in myproject/xmlrpc++0.7/src and if I compile all them manually it works fine. Here is my CMakeLists.txt. I am very happy if anyone could me point to the right solution to use cmake under conditions described above. --- CMakeLists.txt --- project(webservice_tesseract) cmake_minimum_required(VERSION 2.6) set(CMAKE_INCLUDE_CURRENT_DIR ON) # find tesseract find_path(TESSERACT_INCLUDE_DIR tesseract/tesseractmain.h /opt/local/include /usr/local/include /usr/include ) find_library(TESSERACT_LIBRARY_DIR NAMES tesseract_main PATHS /opt/local/lib/ /usr/local/lib/ /usr/lib ) message(STATUS "looked for tesseract library.") message(STATUS "Include file detected: [${TESSERACT_INCLUDE_DIR}].") message(STATUS "Lib file detected: [${TESSERACT_LIBRARY_DIR}].") add_library(tesseract STATIC IMPORTED) set_property(TARGET tesseract PROPERTY IMPORTED_LOCATION ${TESSERACT_LIBRARY_DIR}/libtesseractmain.a ) #find xmlrpc++ message(STATUS "cmake home dir: [${CMAKE_HOME_DIRECTORY}].") set(LOCAL_XMLRPCPLUSPLUS ${CMAKE_HOME_DIRECTORY}/xmlrpc0.7++/) message(STATUS "xmlrpc++ local dir: [${LOCAL_XMLRPCPLUSPLUS}].") find_path(XMLRPCPLUSPLUS_INCLUDE_DIR XmlRpcServer.h ${LOCAL_XMLRPCPLUSPLUS}src /opt/local/include /usr/local/include /usr/include ) find_library(XMLRPCPLUSPLUS_LIBRARY_DIR NAMES XmlRpc PATHS ${LOCAL_XMLRPCPLUSPLUS} /opt/local/lib/ /usr/local/lib/ /usr/lib/ ) # next lines are an ugly workaround because cmake find_xxx() does not find local stuff if (XMLRPCPLUSPLUS_INCLUDE_DIR) else (XMLRPCPLUSPLUS_INCLUDE_DIR) set(XMLRPCPLUSPLUS_INCLUDE_DIR ${LOCAL_XMLRPCPLUSPLUS}src) endif (XMLRPCPLUSPLUS_INCLUDE_DIR) if (XMLRPCPLUSPLUS_LIBRARY_DIR) else (XMLRPCPLUSPLUS_LIBRARY_DIR) set(XMLRPCPLUSPLUS_LIBRARY_DIR ${LOCAL_XMLRPCPLUSPLUS}) endif (XMLRPCPLUSPLUS_LIBRARY_DIR) message(STATUS "looked for xmlrpc++ library.") message(STATUS "Include file detected: [${XMLRPCPLUSPLUS_INCLUDE_DIR}].") message(STATUS "Lib file detected: [${XMLRPCPLUSPLUS_LIBRARY_DIR}].") add_library(xmlrpc STATIC IMPORTED) set_property(TARGET xmlrpc PROPERTY IMPORTED_LOCATION ${XMLRPCPLUSPLUS_LIBRARY_DIR}/libXmlRpc.a ) #### link together include_directories(${XMLRPCPLUSPLUS_INCLUDE_DIR} ${TESSERACT_INCLUDE_DIR}) link_directories(${XMLRPCPLUSPLUS_LIBRARY_DIR} ${TESSERACT_LIBRARY_DIR}) add_library(simpleocr STATIC simple_ocr.cpp) add_executable(webservice_tesseract webservice.cpp) target_link_libraries(webservice_tesseract xmlrpc tesseract simpleocr)

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• Security implications of writing files using PHP

  - by susmits

  I'm currently trying to create a CMS using PHP, purely in the interest of education. I want the administrators to be able to create content, which will be parsed and saved on the server storage in pure HTML form to avoid the overhead that executing PHP script would incur. Unfortunately, I could only think of a few ways of doing so: Setting write permission on every directory where the CMS should want to write a file. This sounds like quite a bad idea. Setting write permissions on a single cached directory. A PHP script could then include or fopen/fread/echo the content from a file in the cached directory at request-time. This could perhaps be carried out in a Mediawiki-esque fashion: something like index.php?page=xyz could read and echo content from cached/xyz.html at runtime. However, I'll need to ensure the sanity of $_GET['page'] to prevent nasty variations like index.php?page=http://www.bad-site.org/malicious-script.js. I'm personally not too thrilled by the second idea, but the first one sounds very insecure. Could someone please suggest a good way of getting this done?

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• Avoiding exceptions when uploading files in laravel

  - by occam98

  I've got a file upload field (attachment1) in a form that may or may not have a file uploaded in it when I process the form in laravel. When I'm trying to process the page, this line generates an exception: Input::upload('attachment1',path('storage').'attachments/'.$name); Here is the text of the exception: Message: Call to a member function move() on a non-object it seems that I need to check in advance to see if 'attachment1' has a file, and I found that the function Input::has_file('attachment1') is supposed to tell me whether or not 'attachment1' has a file, but even when I submit an empty form, it returns true. Also, from reading documentation, it seems that Input::upload is supposed to just return false when trying to upload a non-existant file, so why does it produce this exception instead, and how can I fix it?

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• How to exclude files from Visual Studio compile?

  - by Larsenal

  I'm in the process of refactoring a project. I've got an entire subfolder which is known to be broken. Is there any declarative way to exclude that folder from the compile temporarily while I test the refactoring thus far? I realize I could delete the folder, but I'd like to do this through configuration if possible.

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• Write Tomcat 5.5 output to one of Tomcat's log files

  - by Spiderman

  I'd like that all the output that is shown in Tomcat's console will be saved into a file including the output on startup and shutdown of Tomcat. How can I do this? I looked at apache documentation about logging, Do I need to change something in the logging.properties can I trust log4j to write message from the first message on startup to the last message on shutdown?

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• Cant access log files in production.

  - by Sid

  I was trying to run my application and check for some output on the production.log. However Rails throws this error. Apache log Rails Error: Unable to access log file. Please ensure that /var/www/somefolder/someapp/log/production.log exists and is chmod 0666. The log level has been raised to WARN and the output directed to STDERR until the problem is fixed. I have performed the necessary chmod 666 production.log to make it work but I realized that the file is under root access. So my file permissions are -rw-rw-rw- 1 root root 20845 2010-03-18 01:18 production.log Im not sure how to allow Rails to access this file. Im fairly new to managing linux production env so I request you to excuse my ignorance.

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• For how long can a file be locked in windows after program is closed?

  - by Skadlig

  In a couple of scripts that I use I have problem that is intermittent. Sometimes the script fails when trying to delete a file. According to the error log due to the file being accessed by an other process. I'm guessing that windows not had time to release the file after the previous operation performed on the file ended. What amount of time would be a good guesstimate after which windows should have had time to release the file again?

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• file_column not creating files, just empty tmp directory

  - by Yanaek

  Up to the end of December 2009 everything worked fine, so i assume that after some upgrades on servers (Ubuntu 8.10 and second Ubuntu 9.10) something stopped working. Model: class Product < ActiveRecord::Base belongs_to :category file_column :thumbnail, :magick = { :geometry = "150x100" } there is of course table 'products' in database, and it has column 'thumbnail' what's interesting that File actually is uploaded to server, it goes to the /tmp directory under RackMultipartXXXX-0 name, and it is unmodified image. The problem is, that then this file is not moved to 'tmp' dir under RAILS_ROOT/public/product/ nor the 'XX' (where xx means ID of a product) under public/product also. i don't know what to do, i spend few HOURS trying different versions of file_column, also trying to make new, test rails application only from scaffold, but then, in this new application problem was the same

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• Locking NFS files in PHP

  - by Oli

  Part of my latest webapp needs to write to file a fair amount as part of its logging. One problem I've noticed is that if there are a few concurrent users, the writes can overwrite each other (instead of appending to file). I assume this is because of the destination file can be open in a number of places at the same time. flock(...) is usually superb but it doesn't appear to work on NFS... Which is a huge problem for me as the production server uses a NFS array. The closest thing I've seen to an actual solution involves trying to create a lock dir and waiting until it can be created. To say this lacks elegance is understatement of the year, possibly decade. Any better ideas? Edit: I should add that I don't have root on the server and doing the storage in another way isn't really feasible any time soon, not least within my deadline.

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• Get copy of files from ClearCase

  - by Pete

  We're just moving from VSS to ClearCase and it's nearly impossible to find out how to do anything :-( I need to script (using ClearTool?) a sort of VSS-GetLatest, i.e copy a folder and all its contents to a windows folder Any clues (in short words please as I'm new to this!)

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• log4net: log information into different log files

  - by Daoming Yang

  I have the following configurations in my web.config file, but how can I log the information into data.txt and general.txt separately in C#? Could anyone provide some sample code for me? <appender name="GeneralLog" type="log4net.Appender.RollingFileAppender"> <file value="App_Data/Logs/general.txt" /> <appendToFile value="true" /> <maximumFileSize value="2MB" /> <rollingStyle value="Size" /> <maxSizeRollBackups value="5" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%d{HH:mm:ss.fff} [%t] %-5p %c - %m%n" /> </layout> </appender> <appender name="DataLog" type="log4net.Appender.RollingFileAppender"> <file value="App_Data/Logs/data.txt" /> <appendToFile value="true" /> <maximumFileSize value="2MB" /> <rollingStyle value="Size" /> <maxSizeRollBackups value="5" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%d{HH:mm:ss.fff} [%t] %-5p %c - %m%n" /> </layout> </appender>

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• Merging two SQLite database files (C# .NET)

  - by CODe

  Hello all, I'm using C#/.NET with the C# wrapper for SQLite. I'm attempting to merge two SQLite databases together while excluding duplicates. I found this, which is referenced from a few different forum questions. http://old.nabble.com/Attempting-to-merge-large-databases-td18131366.html Would I run the following queries in my SQLite configuration as listed below? attach 'c:\test\b.db3' as toMerge; insert into AuditRecords select * from toMerge.AuditRecords; My main question is whether the above will remove duplicates, and if it doesn't, is there a merge or some other command I can use? Thanks very much!

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• How to handle localization in javascript files?

  - by Arnis L.

  I want javascript to be separated from views. Got requirement to implement localization for simple image button generated by JS: <img src="..." onclick="..." title="Close" /> What's the best technique to localize title of it? P.s. Found a solution by Ayende. This is the right direction. Edit: I got Localization helper class which provides Controller.Resource('foo') extension method. Thinking about to extend it (helper) so it could return all JavaScript resources (from "ClientSideResources" subfolder in App_LocalResources) for specified controller by it's name. Then - call it in BaseController, add it to ViewData and render it in Layout. Would that be a good idea?

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• Author in wiki, generate PDF documents, CHM files or embedded help

  - by Dilum Ranatunga

  Anyone know of a wiki or wiki plugin that generates a PDF file or CHM file that spans the entire wiki? I would like to have control of the table of contents. I would like the internal and external links to work. Ideally allow for tweaking the output template, but that is not a deal-breaker. I want to generate content using WIKI syntax and mindset (lots of cross-links etc), but ship the content in PDF, CHM or an embedded application form. Something friendlier than installing the wiki software on the enduser machine...

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• Ruby: opening files relative to home directory

  - by Peter

  In Ruby, the following fails with Errno::ENOENT: No such file or directory, even if the file exists: open('~/some_file') However, you can do this: open(File.expand_path('~/some_file')) Two questions: Why doesn't open process the tilde as pointing to the home directory? Is there a slicker way than using File.expand_path?

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• PHP find .tpl files

  - by Kyle Sevenoaks

  Hi, I have some errors in my output source code, I'm wondering if there is a tool that is able to look through the site and find which .tpl file my error is in? That, or at least give me a list of .tpls to look through. I can't seem to find this error and the site isn't very well documented. I'm not the best PHP programmer, I'd be looking for an online resource or something pretty simple. Thanks very much.

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• HTTP Content-type header for cached files

  - by Brian

  Hello, Using Apache with mod_rewrite, when I load a .css or .js file and view the HTTP headers, the Content-type is only set correctly the first time I load it - subsequent refreshes are missing Content-type altogether and it's creating some problems for me. I can get around this by appending a random query string value to the end of each filename, eg. http://www.site.com/script.js?12345 However, I don't want to have to do that, since caching is good and all I want is for the Content-type to be present. I've tried using a RewriteRule to force the type but still didn't solve the problem. Any ideas? Thanks, Brian

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• Javascript, language files, configuration

  - by johnnyArt

  I'm building a form validation script for one of my sites, and I thought I'd make the error messages international, meaning that depending on the users language I'd give such or such response. What would the best approach be, for loading a configuration file inside of my class? Right now I'm using the following structure for a single language: const config = { 'errorName' : 'error message', 'errorName2' : 'error message', 'errorName2' : 'error message' } And calling it like this of course: config['errorName']. But I don't know how to load those variables from a file, let's say 'lang/en.js'

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• getting the mime of text files

  - by acidzombie24

  I am using a piece of code someone pasted for C# which uses urlmon.dll. It reads in <= 256bytes and returns the mime based on the data. Problem is it cant distinguishes a css file from a text/plain. I can goto /style.css but when including it in my html the CSS does not show up. I am using urlmon + context.Response.TransmitFile to send it.

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• How can I execute CGI files from PHP?

  - by Henri W

  I'm trying to make a web app that will manage my Mercurial repositories for me. I want it so that when I tell it to load repository X: Connect to a MySQL server and make sure X exists. Check if the user is allowed to access the repository. If above is true, get the location of X from a mysql server. Run a hgweb cgi script (python) containing the path of the repository. Here is the problem, I want to: take the hgweb script, modify it, and run it. But I do not want to: take the hgweb script, modify it, write it to a file and redirect there. I am using Apache to run the httpd process.

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• Groovy load .csv files

  - by Srinath

  Hi all, How to read and import .csv file in groovy on grails. I have .csv file with data and need to import in to db using user interface . thanks in advance, srinath

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• uploading of zip files

  - by jammkie same

  can someone tell me why gmail do not alllow exe file in zipped folder but it allows exe file in zipped using winrar

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• How can I programmatically convert Word doc or docx files into text files?

  - by CheeseConQueso

  I need a way to convert .doc or .docx extensions to .txt without installing anything. I also don't want to have to manually open Word to do this obviously. As long as it's running on auto. I was thinking that either Perl or VBA could do the trick, but I can't find anything online for either. Any suggestions?

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• how to specify set of files to be copied in lib while creating war

  - by Jigar Shah

  This is my build target <target name="build-war" depends="build-java"> <war destfile="${dist.dir}/${std.war.file}" webxml="${resources.dir}/WEB-INF/web.xml"> <fileset dir="${jsp.dir}" /> <lib dir="${lib.dir}"/> <classes dir="${build.classes.dir}" /> </war> </target> Here for <lib> can i specify some how a fileset / pattern set ? Basically i want to copy different jar from different places. (Not in one directlry) And That fileset or patternset i want to be defined in another build file which actually imports this build file. <lib refid="${patternset.id}"/>

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