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  • Implementation of a general-purpose object structure (property bag)

    - by Thomas Wanner
    We need to implement some general-purpose object structure, much like an object in dynamic languages, that would give us a possibility of creating the whole object graph on-the-fly. This class has to be serializable and somehow user friendly. So far we have made some experiments with class derived from Dictionary<string, object> using the dot notation path to store properties and collections in the object tree. We have also find an article that implements something similar, but it doesn't seem to fit completely into our picture either. Do you know about some good implementations / libraries that deal with a similar problem or do you have any (non-trivial) ideas that could help us with our own implementation ? Also, I probably have to say that we are using .NET 3.5, so we can't take advantage of the new features in .NET 4.0 like dynamic type etc. (as far as I know it's also not possible to use any subset of it in .NET 3.5 solution).

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  • Pulling and pushing between two google code repositories

    - by Kim L
    I'll start by quoting google's blog Project owners can now create multiple repositories for their project, and they can choose to make any of those new repositories a clone of any of the project's other repositories. These project clones share the same commit access permissions as the original project and make it easier for project members to work together on new features. A common pattern in the Mercurial world is to place each "official" branch into a separate repository with naming conventions like "project-crew", "project-stable", and so on. I've done exactly this. I have my default repository and then I've cloned that repository to a repo named "dev". I intend to use the default repository as my stable repo and then the dev repo as my primary development repo. Now I'm just wondering how on earth I should go about to pull and push between the default and the dev repositories?

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  • Blank Page: wordpress on nginx+php-fpm

    - by troutwine
    Good day. While this post discusses a similar setup to mine serving blank pages occasionally after having made a successful installation, I am unable to serve anything but blank pages. My setup: Wordpress 3.0.4 nginx 0.8.54 php-fpm 5.3.5 (fpm-fcgi) Arch Linux Configuration Files php-fpm.conf: [global] pid = run/php-fpm/php-fpm.pid error_log = log/php-fpm.log log_level = notice [www] listen = 127.0.0.1:9000 listen.owner = www listen.group = www listen.mode = 0660 user = www group = www pm = dynamic pm.max_children = 50 pm.start_servers = 20 pm.min_spare_servers = 5 pm.max_spare_servers = 35 pm.max_requests = 500 nginx.conf: user www; worker_processes 1; error_log /var/log/nginx/error.log notice; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; sendfile on; keepalive_timeout 65; gzip on; include /etc/nginx/sites-enabled/*.conf; } /etc/nginx/sites-enabled/blog_sharonrhodes_us.conf: upstream php { server 127.0.0.1:9000; } server { error_log /var/log/nginx/us/sharonrhodes/blog/error.log notice; access_log /var/log/nginx/us/sharonrhodes/blog/access.log; server_name blog.sharonrhodes.us; root /srv/apps/us/sharonrhodes/blog; index index.php; location = /favicon.ico { log_not_found off; access_log off; } location = /robots.txt { allow all; log_not_found off; access_log off; } location / { # This is cool because no php is touched for static content try_files $uri $uri/ /index.php?q=$uri&$args; } location ~ \.php$ { fastcgi_split_path_info ^(.+\.php)(/.+)$; #NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini include fastcgi_params; fastcgi_intercept_errors on; fastcgi_pass php; } location ~* \.(js|css|png|jpg|jpeg|gif|ico)$ { expires max; log_not_found off; } }

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  • How to speed-up Eclipse startup?

    - by Ivan
    I've installed Eclipse Modelling Framework (eclipse-modeling-galileo-SR1-incubation-linux-gtk.tar.gz) by extracting 'features' and 'plugins' filders of the package to '~/.eclipse/org.eclipse.platform_3.5.0_1543616141'. And now Eclipse splashscreen is shown for many minutes (the whole system (incl. BIOS, Linux and KDE) takes much less time to start). I don't need Eclipse Modelling Framework to be loaded at startup, if it is, I only need it when I start a modelling project. How to set up Eclipse to start faster and don't load all the plugins at startup time? My system runs Arch Linux 2010.05, OpenJDK 6.0, Eclipse 3.5.2.

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  • Tool to Create Annotated Directory Structure Documentation

    - by Millhouse
    I've got a moderately complicated application that has been developed primarily by me, and I'm getting ready to bring a few more developers in, and I'm thinking of various forms of documentation that might be helpful. I want to communicate information about the directory structure/layout of the project so the new guys will know where to look for things when they are getting started and as they add features, know where to put new files etc., so we can keep things organized and consistent. Is there any tool out there can create something a little more sophisticated than just a plain text document? I'm thinking of something that looks similar to Windows Explorer with a directory structure on the left in a panel and then when you click on a particular folder, you would be able to view some text or HTML that describes the folder in the right hand panel. Oh, and development will be done on Windows, but cross platform would be nice.

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  • What relational database innovations have there been in the last 10 years

    - by Simon Munro
    The SQL implementation of relational databases has been around in their current form for something like 25 years (since System R and Ingres). Even the main (loosely adhered to) standard is ANSI-92 (although there were later updates) is a good 15 years old. What innovations can you think of with SQL based databases in the last ten years or so. I am specifically excluding OLAP, Columnar and other non-relational (or at least non SQL) innovations. I also want to exclude 'application server' type features and bundling (like reporting tools) Although the basic approach has remained fairly static, I can think of: Availability Ability to handle larger sets of data Ease of maintenance and configuration Support for more advanced data types (blob, xml, unicode etc) Any others that you can think of?

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  • Readline, the Input Record Separator and Ruby

    - by JustSmith
    In Ruby I'm looking to read data until I reach a delimiter or end of file. I found this is possible by redefining $/ or the $INPUT_RECORD_SEPARATOR to my delimiter. However with all the "features" in the Ruby language it seems hokey to change the value of a global to do this. Also, readline used to consume the delimiter while not it is included in what is returned. Is there any other way to "read until" while consuming the delimiter that doesn't involve getting the values char by char in a loop?

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  • Create new field in a table that already exists - flex/air sqlite?

    - by Adam
    I've got a flex/air app I've been working on, it uses a local sqlite database that is created on the initial application start. I've added some features to the application and in the process I had to add a new field to one of the database tables. My questions is how to I go about getting the application to create one new field that is located in a table that already exists? this is a the line that creates the table stmt.text = "CREATE TABLE IF NOT EXISTS tbl_status ("+"status_id INTEGER PRIMARY KEY AUTOINCREMENT,"+" status_status TEXT)"; And now I'd like to add a status_default field. thanks! Thanks - MPelletier I've add the code you provided and it does add the field, but now the next time I restart my app I get an error - 'status_default' already exists'. So how can I go about adding some sort of a IF NOT EXISTS statement to the line you provided?

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  • ASP.NET MVC Best Implementation Practices

    - by RSolberg
    I've recently been asked to completely rewrite and redesign a web site and the owner of the company has stressed that he wants the site to be made with the latest and greatest technology available, but to avoid additional costs. As of right now, I'm torn between looking into a CMS implementation and writing a new implementation with MVC. The site is mainly brochure ware, but will need to allow the visitors to submit some data through forms. There are quite a few lists and content features that are dynamic and should be treated as such. Since ASP.NET MVC is new, I don't want to bastardize the implementation if I go that way... Any recommendations on best implementation practices for a MVC website? Also, has anyone had their MVC implementation hosted anywhere that they would recommend?

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  • 2 fundamental questions for the Androgurus ...Can someone guide me

    - by Saul Carpenter
    I have'nt plunged into Android Development as yet though Java Classes C++ all that is not new to me. Here are the questions folks. Appreciated any help on these : - If I need to develop test and deploy Android Apps do I NEED AN ANDROID Hardware device or is there a software Android Simulator like VMWARE or Virtual PC , where I can emulate the results.If there is such can you point me more info I have a Netbook ( the Chinese Ipad Clone ) running Android that has only Wi-Fi for the present. Is it possible to add the following features via the spare USB Port --- a USB Based 56K Modem : Are there Android platform H/W Drivers. --- a USB based RJ45 ( Ethernet LAN LandLine connection ) Adapter :Are there Android platform H/W Drivers. Please advise Thanks Saul

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  • Checking for & storing multiple CheckBox selections in CSharp.

    - by Matt
    I'm very new to CSharp and I can't seem to find a good solution to what I would consider a simple problem. Basically I'm trying to determine which CheckBoxs have been selected by the user and then randomly generate combinations of the selections the user has made. As new as I am, I am aware that you can use a simple statement such as: checkBox1.IsChecked == true I could have a long set of if statements which update an array/collection, but I'm told that in Csharp there is a way of determining which CheckBoxs are checked by querying the GroupBox that the CheckBoxs are in. Unless I'm mistaken (which is very possible) this is achieved by using Control features, unfortunately I've not come across these yet in my learning so if someone could clear things up that would be great. In summation, if someone has a simple solution for running through a set of checkBoxs and storing only the selected ones I would be most grateful.

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  • Wondering how Facebook does the "Mutual friends" feature

    - by Pierre
    Hello, I'm currently developing an application to allow students to manage their courses, and I don't really know how to design the database for a specific feature. The client wants, a lot like Facebook, that when a student displays the list of people currently in a specific course, the people with the most mutual courses are displayed first. As an additional feature, I would like to add a search feature to allow students to search for another one, and displaying first in the search results the people with most mutual courses. I currently use MySQL, I plan to use Cassandra for some other features, and I also use Memcached for result caching. Thanks.

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  • Differences in behaviour between IIS and the ASP.Net Web Development Server?

    - by Kramii
    During development, I usually test ASP.Net applications using the Web Development Server (sometimes called Cassini). Occasionally, when I publish to a real IIS environment, I notice that the application behaves differently. So, what are the differences between the way that production IIS servers and the ASP.Net Web Development Server behave? I don't mean differences in feature sets (clearly IIS has lots of features that are not present in WDS), but differences in the way they handle ASP.Net. BTW: There are a few differences noted in the responses to this question, but I am sure there must be more.

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  • Why does Maven have such a bad rep?

    - by Dan
    There is a lot of talk on the internet about how Maven is bad. I have been using some features of Maven for a few years now and the most important benefit in my view is the dependency management. Maven documentation is less than adequate, but generally when I need to accomplish something I figure it once and than it works (for example, I remember when I implemented signing the jars.) I don’t think that Maven is great, but it does solve some problems that without it would be a genuine pain. So, why does Maven has such a bad rep and what problems with Maven can I expect in the future? Maybe there are much better alternatives that I don't know about? (For example, I never looked Ivy in detail.) NOTE: This is not an attempt to cause an argument. It is an attempt to clear the FUD.

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  • Client Side Includes on HTML pages

    - by Roy Rico
    Previously I had thought that there were only ways to get content from external URLs into your page. These 2 ways are use an IFRAME or Javascript to include it into your pages. I've just learned of a new way using the tag. <object type="text/html" frameborder="0" data="http://Server/URL/"></object> I have found some content online that confirms this ability, but it doesn't talk much about features such as Accessibility and SEO of the page. Does anyone have any experience with this? Is there any information available regarding using this method and how it effects Accessibility and SEO?

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  • Prevent Character Escape When Calling xmlwriter.xwriter.WriteElementString, C%

    - by Ibrar Afzal
    I have a string <entry key="Provider">Comcast Cable Communications, Inc.</entry> <entry key="Challenged">No</entry> I need to call the using xmlwriter..WriteElementString I need to what the string mentioned earler. Problem here is the xwriter.WriteElementString will escape all "<" and "" symbols with &lt and &gt. I have checked MSDN to see if there is a way to disable it, but have not found an answer. Is there a way to disable the auto-escape features?

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  • Should developers know how to use office suites?

    - by systempuntoout
    How deep is your knowledge on Office suites? Personally i don't like them, i hate create and manage word documents, excel datasheets etc. etc. I'm not talking about opening a word document and write some text or calculate sum and division on excel; i'm talking about advanced features like revisions, vba macros and so on. I have a co-worker, actually he's a talented functional analyst, that don't know anything about programming but he's kind a monster guru on Microsoft Office suite. When he sits on my desk and asks me to open and modify some of his hardly complicated Microsoft Excel multicolor multipivotal recursive datasheet, ehm, i feel like a baby in front of a nuclear plant console.It' not a great feeling if you know what i mean. As programmer, do you feel guilty about not knowing office suites enough?

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  • Entire website in Silverlight 4. Practical or not?

    - by Sahat
    Similar question: Using Silverlight for an entire website? That question is over 2 years old. Silverlight has gone a long way from Silverlight 1.0 Beta 1 to Silverlight 4.0 Final. Would it be practical to create a full Silverlight web application these days? I plan to deploy the website sometime around Q1 2011. I have thought about going ASP.NET + AJAX way, but it just won't give me the same rich features as Silverlight. A lot of people when they hear ASP.NET or Silverlight instantly think about business or enterprise applications. But all I want to create is a fansite, with rich user interface and a great "WOW" factor.

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  • Visual Studio 2008/2010 & SQL Server 2008 on Windows 7 Home Premium

    - by Steve
    Are there any limitations with respect to developing ASP.NET and WPF apps using VS 2008/2010 and SQL Server 2008 on Windows 7 Home Premium? I know you can run IIS 7.5 on Home Premium. I Googled and Binged on Home Premium and VS/SQL Server and couldn't find much. It doesn't look like the features missing from Home Premium, domain joining, xp mode, etc... shouldn't prevent one from running and developing in VS/SQL Server. Update I did discover one limitation w/IIS 7.5 and it applies to all versions of Windows 7 I think. You can't create your own self signed SSL certificate specifying a name other than the machine name. You're stuck with your machine name which isn't that big a deal, but it is a change from previous versions.

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  • Is Lucern.net good choice for website search of 1M item product database? (giving up on SQL Server

    - by Pete Alvin
    We currently have in production SQL Server 2005 and we use it's full text search for a eCommerce site search of a million product database. I've optimized it as much as possible (I think) and we're still seeing search times of five seconds. (We don't need site scrawl or PDF (etc.) document indexing features... JUST "Google" speed for site search.) I was going to buy dtSearch but now I realize I can just use Lucerne.net and save the $2,500 for two server license. I read on a post that Lucerne.Net is not good for website searches. Has anyone else used Lucerne.Net from ASP.Net? Does it take a lot of memory? Any problems? Any comments?

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  • How to start a major iPhone app update in Xcode

    - by Eric
    I have an app in the iPhone app store and have released several minor updates to it. I want to begin work on some major feature additions and reorganization, but don't want to lose the source code of my most recent version in case everything goes horribly wrong. Should I start a new Xcode project from scratch and copy my existing source in? If I do this will I be able to submit the build from this new project as an update or will Apple complain that the build comes from a different Xcode project? I've seen (but not used) Xcode's "Snapshots" and "Source Control" features - are these what I'm looking for? Any help or direction greatly appreciated.

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  • Can a CouchDB document update handler get an update conflict?

    - by jhs
    How likely is a revision conflict when using an update handler? Should I concern myself with conflict-handling code when writing a robust update function? As described in Document Update Handlers, CouchDB 0.10 and later allows on-demand server-side document modification. Update handlers can process non-JSON formats; but the other major features are these: An HTTP front-end to arbitrarily complex document modification code Similar code needn't be written for all possible clients—a DRY architecture Execution is faster and less likely to hit a revision conflict I am unclear about the third point. Executing locally, the update handler will run much faster and with lower latency. But in situations with high contention, that does not guarantee a successful update. Or does the update handler guarantee a successful update?

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  • Ruby CMS/blog: Mephisto vs. Radiant

    - by Candidasa
    I'm looking for a blogging tool with some light CMS features in Ruby on Rails. I mainly want something simple, but configurable. I have no need for page snippets, etc. Just your basic main blog, very good (and easy) theme support, some nice sidebar stuff, a few static pages and MetaWeblog API support. I'm thinking of either using Mephisto or Radiant CMS (everything else seems half-baked or extremely lightweight at best): http://mephistoblog.com/ http://www.radiantcms.org/ Documentation for Mephisto seems very lacking and their site is a mess. I've also read some bad things about it's stability. Radiant seems more stable in comparison and has heaps of useful plug-ins. However, it isn't designed for blogging out of the box. That has to be added as almost an after thought. Creating a custom theme also seems more cumbersome with Radiant due to the sub-page/snippet feature. Which should I choose?

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  • Sharepoint Foundation 2010 development single machine installation problems

    - by Robert Koritnik
    I'm having problems installing development machine for Sharepoint (Foundation) 2010. This is what I did so far on the same machine: Installed a clean Windows 7 x64 with 4GB of RAM without being part of any domain. Just a simple standalone machine. Enabled IIS related features as described here except IIS6 related ones (two of them) Installed SQL Server 2008 R2 Development Edition (DB Engine and Writer being enabled but not SQL Agent) Installed Visual Studio 2010 Premium Started installing Sharepoint Foundation 2010 with first extracting files, changing config to enable Windows 7 installation and then installed it as Server Farm (then Complete) to avoid installing SQL Express. Created a separate SPF_CONFIG local user with Logon on as a service right. Opened SPF Management Shell and run New-SPConfigurationDatabase so I am able to use a non-domain username (SPF_CONFIG that I created in the previous step) But all I get is this: The outcome after this error is: Database Sharepoint2010Config is created User SPF_CONFIG is added to SQL Server and attached to this newly created database as dbowner and checking SQL server security logins this user has following rights: dbcreator securityadmin public

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  • Visual Studio Multi-Targeting (maintaing backwards compatability)

    - by Phillip Benages
    I know in Visual Studio 2008 you can target a specific framework with your projects, but from what I have been told if you open a project originally created in Visual Studio 2003 or 2005 in Visual Studio 2008, it requires you to upgrade the project to a 2008 project to work on it. Does Visual Studio 2010 have this same type of restriction for multi-targeting? It would be very nice being able to use features of 2010 when working in our projects that target different frameworks, but we do not want to force all of our developers to upgrade in order to continue working in these projects.

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