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  • Adding nodes dynamically and global_groups in Erlang

    - by ZeissS
    Erlang support to partition its nodes into groups using the global_group module. Further, Erlang supports adding nodes on the fly to the node-network. Are these two features usable with each other? As far as I understand, you have to name every node on startup to use the global groups.

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  • LAMP Stack Version Help -- Is there a website or version tracker source to help suggest the right versions of each part of a platform stack?

    - by Chris Adragna
    Taken singly, it's easy to research versions and compatibility. Version information is readily available on each single part of a platform stack, such as MySQL. You can find out the latest version, stable version, and sometimes even the percentage of people adopting it by version (personally, I like seeing numbers on adoption rates). However, when trying to find the best possible mix of versions, I have a harder time. For example, "if you're using MySQL 5.5, you'll need PHP version XX or higher." It gets even more difficult to mitigate when you throw higher level platforms into the mix such as Drupal, Joomla, etc. I do consider "wizard" like installers to be beneficial, such as the Bitnami installers. However, I always wonder if those solutions cater more to the least common denominator -- be all to many -- and as such, I think I'd be better to install things on my own. Such solutions do seem kind of slow to adopt new versions, slower than necessary, I suspect. Is there a website or tool that consolidates versioning data in order to help a webmaster choose which versions to deploy or which upgrades to install, in consideration of all the other parts of the stack?

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  • Get the common prefix substring through Regex

    - by Dreampuf
    like this text = " \t hello there\n \t how are you?\n \t HHHH" hello there how are you? HHHH Could I get the common prefix substring through regex? I try to In [36]: re.findall(r"(?m)(?:(^[ \t]+).+[\n\r]+\1)", " \t hello there\n \t how are you?\n \t HHHH") Out[36]: [' \t '] But apparently that common prefix substring is ' \t ' I want use for dedent function like python textwrap module.

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  • Dynamically add tab sheets to page control and embed a form?

    - by Jerry Dodge
    I'm working on a module which consists of a page control. By default, this page control (TPageControl) shouldn't have any tab sheets (TTabSheet), but upon initialization, it should dynamically insert these pages and embed a form inside of it. The issue comes with knowing how to insert a tab sheet into the page control. How do I create this? And once it's created, along with the forms inside each one, how do I iterate through them to destroy the forms?

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  • Apache modules installed but don't seem to load in Ubuntu

    - by SODA
    I am pretty new to Linux. Got a VPS set up yesterday, installed Apache2, PHP5 and MySQL. When I do apache2 -l I get this: Compiled in modules: core.c mod_log_config.c mod_logio.c prefork.c http_core.c mod_so.c When I do sudo a2enmod rewrite I get this: Module rewrite already enabled And rewrite.load is in /etc/apache2/mods-enabled. Can anyone tell what's wrong?

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  • .net and java deployment

    - by rajshades
    dear all we have a website developed in java and .net. it works fine. but now we want to develop a installer in .net for the deployment of website. which should deploy both modules means java and .net . i know about custom installer in .net but how can i deploy java module through this installer???????

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  • Reverse web proxy with time constraints

    - by user2893458
    I have a web application which produces several unique URLs of the type http://service.company.com/service.html?type=aaaa&key=jfiZm6u6cW where the last part is a randomly generated key. Each such URL provides access to an instance of the service provided. I am looking for a way to restrict access to those URLs based on time constraints, as an example URL#1 should be available between 8:00AM and 10:00AM on May 30, URL#2 should be available between 10:30AM and 12:00PM on May 31, and so on. I already have a resource scheduling application based on Drupal and would like to find a way to include those URLs as scheduled resources. The web application is deployed on Apache Tomcat, so I don't have the knowledge or the resources to alter it, therefore I thought that I could put some sort of reverse proxy in front of the web app that could implement the time constraint feature. In my thoughts the reverse proxy would allow or disallow access to each URL based on the rules that my scheduling application would provide. There may be other ways to deliver such a solution, but I can't think of anything better, so the question is: is there a reverse web proxy architecture that could allow access to the destination URLs based on time and date rules? Any other ideas are more than welcome.

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  • Spell Checker in Web Application

    - by nani
    Hi, Currently I am developing website in asp.net. I wanted to include spellchecker module into my code. It may not be fare to ask like this, but I don't have enough time to do R&D on that topic, of course I did enough study but I am unable to get the exact way to implement spell checker in my application. Can any one suggest me how to implement spell checker and where to get source code. Thank You.

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  • Caching with Spring Framework

    - by Francois
    Spring Modules had a @Cacheable annotation: org.springmodules.cache.annotations.Cacheable Now that Spring Module is deprecated, what is the recommendation for caching? And is still still possible to work with ehCache?

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  • custom yaml files not being seen in symfony

    - by user145129
    Hi, I created a custom yaml handler, myRunnerConfigHandler, and placed it under apps/frontend/lib/myRunnerConfigHandler.class.php and created a new config_handler and placed it under apps/frontend/config/config_handler.yml Now, under config_handler.yml,I placed my configuration for my new rundown: modules/*/config/rundown.yml: class: myRundownConfigHandler Basically, under each module, I want to have a yaml file under /apps/frontend/modules/home/config/rundown.yml However no rundown.yml files are being seen. Is there something else I need to do before rundown.ymls are seen? Thanks

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  • Scanning string in perl

    - by Alphaneo
    What is the best way to achieve sscanf like functionality in perl? I am looking now looking at the sscanf module, Which is better, Option-1: Going sscanf way? Option-2: Regex way? [I am a beginner when it comes to Regex]

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  • IE8 Session sharing across tabs and windows

    - by Clint
    Has anyone implemented any effective solutions to address the numerous issues that are caused by IE8's session sharing functionality? We've gotten very close by writing a custom http module that compares session and view state values, but our efforts are thwarted by things such as accelerator keys and unaccceptable copying of session objects. This is a VB.Net web app.

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  • Symfony: Routing 'secure' and 'login' actions to another application

    - by Darmen
    Hello, Suppose we have 3 apps - appMain, app1 and app2. Applications 1 and 2 are protected, they have is_secure: true and everything works fine with sfDoctrineGuard plugin. A behavior I want to achieve is when a user is not authenticated, current application to forward him to another one, say appMain with defined module and action. Is that possible? Or can someone tell me where to dig about security mechanisms in symfony?

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  • What does this `_time_independent_equals` mean?

    - by Satoru.Logic
    In the tornado.web module there is a function called _time_independent_equals: def _time_independent_equals(a, b): if len(a) != len(b): return False result = 0 for x, y in zip(a, b): result |= ord(x) ^ ord(y) return result == 0 It is used to compare secure cookie signatures, and thus the name. But regarding the implementation of this function, is it just a complex way to say a==b?

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  • Mysql start fails with Operating System error 13

    - by curious
    I have XAMPP on my Ubuntu Lucid system and everything worked fine. But there seems to be some problem now and mysql wouldn't start. I had tried to recover a few Drupal databases and hence copied the raw files to /opt/lampp/var/mysql folder like all other database folders. And, I guess that could have caused the problem. I am pasting the last few lines of the error log. Someone please help me out. 100814 15:17:47 mysqld_safe Starting mysqld daemon with databases from /opt/lampp/var/mysql 100814 15:17:47 [Note] Plugin 'FEDERATED' is disabled. 100814 15:17:47 [ERROR] Can't open shared library 'libpbxt.so' (errno: 0 API version for STORAGE ENGINE plugin is too different) 100814 15:17:47 [Warning] Couldn't load plugin named 'PBXT' with soname 'libpbxt.so'. 100814 15:17:48 InnoDB: Operating system error number 13 in a file operation. InnoDB: The error means mysqld does not have the access rights to InnoDB: the directory. InnoDB: File name /opt/lampp/var/mysql/ibdata1 InnoDB: File operation call: 'open'. InnoDB: Cannot continue operation.

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  • Clarification needed about Python CSV file format parsing

    - by HH
    Format is like: CHINA;2002-06-25 00:00:00.000;5,60 CHINA;2002-06-26 00:00:00.000;5,32 CHINA;2002-06-27 00:00:00.000;5,31 and I try to use Python's CSV tools to parse it but cannot understand the paragraph, source: And while the module doesn’t directly support parsing strings, it can easily be done: import csv for row in csv.reader(['one,two,three']): print row Could someone clarify the line ['one,two,three']? How would you use it with format A;B;C?

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  • Any way in C++ to forward declare a function prototype?

    - by jsyjr
    I make regular use of forward class declarations and pointers to such classes. I now have a need to pass a function pointer through a number of layers. I would prefer to include the header that declares my function pointer's prototype only into the module that dereferences a function pointer rather than into each layer that simply passes along that pointer value. Is this possible?

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  • How to add django-db-log models to admin panel?

    - by Enchantner
    Just installed django-db-log module and trying to make it work properly. 'python manage.py syncdb' command created databases, it seems like logging works, but there is nothing about it in admin panel. As I found in documentation, it should add itself in admin panel without any additional configuration, but then I added 'djangodblog.middleware.DBLogMiddleware' in MIDDLEWARE_CLASSES and 'djangodblog' in INSTALLED_APPS it looks like nothing happens. What I'm doing wrong?

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