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  • Qwt setAxisScale() seems to lock up application when given numbers with greater precision than 2e-07

    - by Dane Larsen
    I'm using Qwt for some scientific graphing, and I'm working with some fairly small numbers, the smallest being around 1.0e-22. I'm trying to call setAxisScale(xaxis, xmin, xmax) //xmin = 0, xmax = 2.0e-10 But when I do, the application locks up. I haven't found anything in the documentation that refers to a minimum value. Xmin and xmax are both doubles, so that shouldn't be a problem. Is this a bug in Qwt, or am I doing something wrong? Thanks in advance

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  • Is SecureRandom thread safe?

    - by Yishai
    Is SecureRandom thread safe? That is, after initializing it, can access to the next random number be relied on to be thread safe? Examining the source code seems to show that it is, and this bug report seems to indicate that its lack of documentation as thread safe is a javadoc issue. Has anyone confirmed that it is in fact thread safe?

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  • Where to find good examples or Templates for Configuration Management Plans?

    - by Geo
    Documentation is not the favorite area of a developer but an important area to fulfill if you want to have standards in the organization. We are trying to put together a new Configuratio Mgmt Plan to setup Change Controls, Backups strategies and other fun things, like the process from development, staging to production. I will like to have your opinions on good examples or probably a good start for CMP process.

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  • Interfacing with Compris POS

    - by Sargun Dhillon
    Does anyone have any data on how to interface with a Compris POS? I have a Compris POS, and I need to grab data from the database. I can't get information from NCR regarding the underlying data format, and I was wondering if anyone had reverse engineered the device, or had any documentation on the device.

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  • Ruby library for Flickr API?

    - by rubayeet
    Is there a solid, production ready library in Ruby that interacts with the Flickr API? I found a few by googing, but their states don't impress me much. I'm looking for something along the lines of flickrapi for Python, with nice documentation.

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  • How to register file types/extensions with a WiX installer?

    - by OregonGhost
    I didn't find an explicit answer to this question in the WiX Documentation (or Google, for that matter). Of course I could just write the appropriate registry keys in HKCR, but it makes me feel dirty and I'd expect this to be a standard task which should have a nice default solution. For bonus points, I'd like to know how to make it "safe", i.e. don't overwrite existing registrations for the file type and remove the registration on uninstall only if it has been registered during installation and is unchanged.

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  • Using Squeak from a shell

    - by Vijay Mathew
    Can I launch Squeak as a REPL (no GUI), where I can enter and evaluate Smalltalk expressions? I know the default image don't allow this. Is there any documentation on how to build a minimum image that can be accessed from a command-line shell?

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  • How do I map common properties in NHibernate

    - by Ian Oakes
    In the database I'm working with, every table repeats the same nine columns and I don't want to have to supply the same properties in each of my entities to map these columns. I've tried adding properties to a common base class and adding them to the sub class's mapping file, but this doesn't work. I've read the documentation around inheritance mapping but this did not help. What is the best way to map columns that repeat accross multiple tables in NHibernate?

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  • Generate vCard from AddressBook.framework

    - by Oliver
    I'm utilising the AddressBook.framework in my iPhone app, and I'd like to replicate something along the lines of the share feature in Contacts.app. This basically attach's a specific contacts vCard to an email. As far as I know, there is nothing in the documentation that mentions generating a vCard. Is this a case of generating one myself? Or is there something available that can help me?

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  • hook_user not being called for 'login' operation

    - by Allain Lalonde
    I've read in the drupal documentation that hook_user should be invoked for the login operation. To test this I've added a call to drupal_set_message at the top of my modules hook implementation and the only message I'm receiving is a call with 'load' as the $op. I've confirmed that drupal_set_message can be called multiple times and it doesn't erase the previous message, so I'm confident that hook_user is only being invoked the one time. Any good reasons for why hook_user isn't being invoked with 'login' as an operation when I'm logging in?

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  • Python sock.listen(...)

    - by Ian
    All the examples I've seen of sock.listen(5) in the python documentation suggest I should set the max backlog number to be 5. This is causing a problem for my app since I'm expecting some very high volume (many concurrent connections). I set it to 200 and haven't seen any problems on my system, but was wondering how high I can set it before it causes problems.. Anyone know?

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  • file descriptors and open files

    - by amanda
    Hello, I have two quick questions: When do two file descriptors point to the same open file ? When do two open files point to the same inode ? Also, if you happen to have some good documentation with graphs explaining this, i'll be very grateful if you show me the link to it :) Thanks!

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  • Up to date, JPA compliant GenericDAOImplementation

    - by HDave
    I read this article: http://www.ibm.com/developerworks/java/library/j-genericdao.html several times and believe I understand what it is saying. However, it is 4 years old and I have a JPA compliant Java application to contend with. In addition, I see that there is a JPATemplate in Spring that has some good functionality, but the Spring documentation says it is already deprecated! Can anybody point me to a solid, modern, JPA compliant, Spring based, working example of a GenericDAOImpl that proxies an Interface to provide generic finder execution?

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  • manipulating the geocoding webservices results through javascript?

    - by hao
    using http://maps.google.com/maps/api/geocode/json?address=xyz we get a json file I am wondering how can i maniupluate the results in javascript? How do i create the results object in javascript? http://code.google.com/apis/maps/documentation/geocoding/index.html#JSONParsing this doesnt really explain how they get the myJSONResult

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  • Lighttpd check request headers in configuration

    - by Mike Hayes
    Hi I was wondering if it was possible in the configuration of Lighttpd to read request headers, I've searched and searched.. apparently it's not possible. For example, conditional configuration based upon IP address: $HTTP["remoteip"] == "0.0.0.0" { // Do something } Is there something similar to check headers, for example: $HTTP["X-Some-Header"] == "Value" { // Do something } I'm thinking there isn't but thought I would post here as a last resort. Google didn't help much, and Lighttpd documentation would suggest this is not possible. Thanks Mike

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  • PIL's Image.show() brings up *two* different viewers

    - by DarenW
    When toying with images in the python shell, I use image.show(), where image is an instance of Image. Long ago nothing happened, but after defining a symlink to mirage named "xv", I was happy. The last few days, show() will bring up both ImageMagick's display and also Mirage. It's not clear where show() gets information on what to run. Documentation wasn't helpful. How to make it behave and bring up only what it thinks is xv?

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  • Does using msysgit lead to repository corruption?

    - by randomusing
    While stumbling through the chromium code documentation, I came across this post: http://code.google.com/p/chromium/wiki/UsingGit#Windows If you are using msysgit, you are asking for trouble. Using both msysgit (including TortoiseGit) and cygwin's version of git is a path to lead to repository corruption so it's safer to stick with the cygwin's version. So if you still have msysgit in your PATH, you are on your own. Does this really happen? What causes the corruption?

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  • Error trying to run rails server

    - by David87
    I am trying to get a basic Rails application to run on my Mac OS X 10.6.5. I created a new app called demo (rails new demo), then went into the demo directory and tried to start the app with rails server. Here is the error message I received: "/Users/dpetrovi/.gem/ruby/1.8/gems/sqlite3-ruby-1.3.2/lib/sqlite3/sqlite3_native.bundle: [BUG] Segmentation fault ruby 1.8.7 (2010-12-23 patchlevel 330) [i686-darwin10] Abort trap" I checked bundle install in the demo folder: "Using rake (0.8.7) Using abstract (1.0.0) Using activesupport (3.0.3) Using builder (2.1.2) Using i18n (0.5.0) Using activemodel (3.0.3) Using erubis (2.6.6) Using rack (1.2.1) Using rack-mount (0.6.13) Using rack-test (0.5.6) Using tzinfo (0.3.23) Using actionpack (3.0.3) Using mime-types (1.16) Using polyglot (0.3.1) Using treetop (1.4.9) Using mail (2.2.13) Using actionmailer (3.0.3) Using arel (2.0.6) Using activerecord (3.0.3) Using activeresource (3.0.3) Using bundler (1.0.7) Using thor (0.14.6) Using railties (3.0.3) Using rails (3.0.3) Using sqlite3-ruby (1.3.2) Your bundle is complete! Use bundle show [gemname] to see where a bundled gem is installed." Ruby, RubyGems, and sqlite3 were installed using MacPorts. Then I used gem to try to install the sqlite3-ruby interface. (sudo gem install sqlite3-ruby). Here is where I first noticed something could be off: "Successfully installed sqlite3-ruby-1.3.2 1 gem installed Installing ri documentation for sqlite3-ruby-1.3.2... No definition for libversion Enclosing class/module 'mSqlite3' for class Statement not known Installing RDoc documentation for sqlite3-ruby-1.3.2... No definition for libversion Enclosing class/module 'mSqlite3' for class Statement not known " I had rails running well on my system a few months ago, so I figured maybe I had some duplicates and it was trying to use the wrong one. I ran: "for cmd in ruby irb gem rake; do which $cmd; done" and got: "/opt/local/bin/ruby /opt/local/bin/irb /opt/local/bin/gem /opt/local/bin/rake" Checking where sqlite3 also gets me: "/opt/local/bin/sqlite3" so they all seem to be in the right place. Obviously /opt/local/bin is in my system path. If I check gems server, it shows that I have installed sqlite3-ruby 1.3.2 gem. Not sure what the problem could be? I am using ruby 1.8.7 (2010-12-23 patchlevel 330) [i686-darwin10]. Macports claims this is the latest (although ive seen 1.9.1) One more thing-- in irb, I tried to check which version of sqlite3 my sqlite3-ruby is bound to, but I can only get this far: ":irb(main):001:0 require 'rubygems' = true irb(main):002:0 require 'sqlite3' /Users/dpetrovi/.gem/ruby/1.8/gems/sqlite3-ruby-1.3.2/lib/sqlite3/sqlite3_native.bundle: [BUG] Segmentation fault ruby 1.8.7 (2010-12-23 patchlevel 330) [i686-darwin10] Abort trap" Any suggestions? Im hoping I overlooked something obvious. Thanks

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