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  • Coolest C# LINQ/Lambdas trick you've ever pulled?

    - by chakrit
    Saw a post about hidden features in C# but not a lot of people have written linq/lambdas example so... I wonder... What's the coolest (as in the most elegant) use of the C# LINQ and/or Lambdas/anonymous delegates you have ever saw/written? Bonus if it has went into production too!

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  • Minimalist Wiki like script

    - by arthurprs
    I'm trying to find a simple wiki like script to setup a personal directory, browser favorites simply doesn't do anymore and i have lots of small files on my flash drive Desired features file upload not bloated works on a common webhost (aka php) Thanks in advance

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  • asp.net c# ip address lost after postback?

    - by Mark
    Hi all, One of my functions in a class is called GetIpAddress() which returns the following string: System.Web.HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"] This all works well in regular page loads and gets my ip address, but when i for example let a user place a comment, then the ip address is lost after postback and i get an empty string returned. Am I missing something here maybe? Kind regards, Mark

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  • Why Silverlight Mediaplayer (Not MedieElement) doesn't have a next Button?

    - by Subhen
    Hi, I try implementing silverlight mediaPlayer that is available from expression blend int my projecct. Just found out that there is no next buttom for the Media Player. So I have to override the button proporties in the onApplyTemplate(). Am I missing something so that I am not able to enable the Next and Prev Button or this is just the Silverlight MediaPlayer it self. Thanks, Subhen

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  • Which Java version do you mostly (have to) work with?

    - by ferdystschenko
    While from version 5 on, Java provides many extremely useful features like annotations, enums, generics, etc., 1.4 is still in use in many enterprise projects. So I'm wondering what the chances are that you still have to work with 1.4, thus being forced to go without JPA, EJB3 etc. In your answer, please also state the branch of company you work for. Which are the reasons for not switching to Java 5? Thanks, Armin

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  • How to handle environment-specific application configuration organization-wide?

    - by Stuart Lange
    Problem Your organization has many separate applications, some of which interact with each other (to form "systems"). You need to deploy these applications to separate environments to facilitate staged testing (for example, DEV, QA, UAT, PROD). A given application needs to be configured slightly differently in each environment (each environment has a separate database, for example). You want this re-configuration to be handled by some sort of automated mechanism so that your release managers don't have to manually configure each application every time it is deployed to a different environment. Desired Features I would like to design an organization-wide configuration solution with the following properties (ideally): Supports "one click" deployments (only the environment needs to be specified, and no manual re-configuration during/after deployment should be necessary). There should be a single "system of record" where a shared environment-dependent property is specified (such as a database connection string that is shared by many applications). Supports re-configuration of deployed applications (in the event that an environment-specific property needs to change), ideally without requiring a re-deployment of the application. Allows an application to be run on the same machine, but in different environments (run a PROD instance and a DEV instance simultaneously). Possible Solutions I see two basic directions in which a solution could go: Make all applications "environment aware". You would pass the environment name (DEV, QA, etc) at the command line to the app, and then the app is "smart" enough to figure out the environment-specific configuration values at run-time. The app could fetch the values from flat files deployed along with the app, or from a central configuration service. Applications are not "smart" as they are in #1, and simply fetch configuration by property name from config files deployed with the app. The values of these properties are injected into the config files at deploy-time by the install program/script. That install script takes the environment name and fetches all relevant configuration values from a central configuration service. Question How would/have you achieved a configuration solution that solves these problems and supports these desired features? Am I on target with the two possible solutions? Do you have a preference between those solutions? Also, please feel free to tell me that I'm thinking about the problem all wrong. Any feedback would be greatly appreciated.

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  • django-registration password reset custom template not loading

    - by ip.
    I'm using django-registration for registering users, however when I want to use my own template for password reset I get the admin template and not the template I created. My template is in myapp/templates/registration/password_reset_form.html and my template loaders are properly set: TEMPLATE_LOADERS = ( 'django.template.loaders.filesystem.Loader', 'django.template.loaders.app_directories.Loader', ) What could I be missing? I'm using Django 1.4

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  • How do I generate a custom SID?

    - by Max Schmeling
    I need to generate custom SIDs for users in my web application for use with Microsoft AzMan. What is the best way to do this? What do I need to know before doing this? This is what I'm thinking, but I'm not sure if I'm missing something: S-1-9-1234-{user_id + 1000} S-{first revision}-{resource manager authority}-{domain (unique number for the specific app)}-{unique id for user} UPDATE: Changed to resource manager authority because of David Crawford's blog entry: http://blogs.msdn.com/dc995/archive/2006/08/23/715021.aspx

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  • Append to list of lists

    - by Joel
    Hello, I am trying to build a list of lists using the following code: list=3*[[]] Now I am trying to append a string to the list in position 0: list[0].append("hello") However, instead of receiving the list [ ["hello"] , [], [] ] I am receiving the list: [ ["hello"] ,["hello"] , ["hello"] ] Am I missing something? Thanks, Joel

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  • MonoTouch Hello World for iPad

    - by Bryan
    I have tried following the sample Hello World for MonoTouch by creating an iPad solution. For some reason I cannot get the MainWindow to load. I followed the instructions exactly and the app just closes before even loading a view. Is there something missing? Do I need to tell the solution how to load the MainWindow.XIB or something? Please help, this seems very basic and I am about to throw MonoTouch in the garbage.

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  • Overloading new, delete in C++

    - by user265260
    i came across this line is stroustrup An operator function must either be a member or take at least one argument of a user-defined type (functions redefining the new and delete operators need not). Dont operator new and operator delete take an user defined type as one of their arguments? what does it mean, am i missing something here

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  • JQuery removed background from iframe

    - by Webnet
    I'm trying to remove the background image on a page that's being loaded via an iframe within a lightbox effect. I have verified that body is the correct element within the iframe that's being selected, but I can't get the background image to go away. Am I missing something obvious? var body = jQuery('#fancybox-frame').contents().find('body'); body.css({ 'background': '', 'background-image': '', 'background-color': '#fff' });

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  • Is it against best practice to throw Exception on most JUnit tests?

    - by Chris Knight
    Almost all of my JUnit tests are written with the following signature: public void testSomething() throws Exception My reasoning is that I can focus on what I'm testing rather than exception handling which JUnit appears to give me for free. But am I missing anything by doing this? Is it against best practice? Would I gain anything by explicitly catching specific exceptions in my test and then fail()'ing on them?

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  • How to write backwards compatible HTML5 ?

    - by Olivier Lalonde
    I'd like to start using HTML5's basic features, but at the same time, keep my code backwards compatible with older browsers (graceful degradation). For instance, I'd like to use the cool CSS3 properties for making rounded corners. Is there any available tutorial for writing gracefully degradable HTML5 ? Additionally, what browsers should I support so that my app. is functional for at least 95% of visitors? What are the ways to test those browsers painlessly ?

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  • Getting "uninitialized constant" in Rails app

    - by Robert McCabe
    I'm new to Rails and feeling my way, but this has me stumped. I moved some constants to a separate module ie: module Fns Fclick = "function() { alert(\"You clicked the map.\");}\n" ... end then in my controller added: require "fns" class GeomapController < ApplicationController def index fstring = Fns::Fclick ... end but when I run the server I get: uninitialized constant Fns::Fclick what am I missing?

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  • Creating a "permanent" Cocoa object

    - by quixoto
    I have an object factory that hands out instances of certain "constant" objects. I'd like these objects to be protected against bad memory management by clients. This is how I've overridden the class's key methods. Am I missing anything (code or other considerations)? - (id)retain { return self; } - (NSUInteger)retainCount { return UINT_MAX; } - (void)release { // nothing. }

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  • Can I use cstdio in a C program?

    - by Tommy
    Can I use cstdio in a C program? I get a ton of errors in cstdio when I add the #include <cstdio> to the C program. c:\Program Files\Microsoft Visual Studio .NET 2003\Vc7\include\cstdio(17) : error C2143: syntax error : missing '{' before ':' c:\Program Files\Microsoft Visual Studio .NET 2003\Vc7\include\cstdio(17) : error C2059: syntax error : ':' Thanks EDIT - I would like to use snprintf, which is why I am trying to include this.

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  • Numpy: Creating a complex array from 2 real ones?

    - by Duncan Tait
    I swear this should be so easy... Why is it not? :( In fact, I want to combine 2 parts of the same array to make a complex array: Data[:,:,:,0] , Data[:,:,:,1] These don't work: x = np.complex(Data[:,:,:,0], Data[:,:,:,1]) x = complex(Data[:,:,:,0], Data[:,:,:,1]) Am I missing something? Does numpy not like performing array functions on complex numbers? Here's the error: TypeError: only length-1 arrays can be converted to Python scalars Cheers

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  • Can not find StructureMapConfiguration object

    - by Am
    I see a lot of exampls of how to use StructureMap in a asp.net project like this: StructureMapConfiguration.ForRequestedType<IResourceA>() .TheDefaultIsConcreteType<ResourceB>() .CacheBy(InstanceScope.Singleton); Yet, in my Global.asax I can not access the StructureMapConfiguration object even when I import the StructureMap namespace. What is the deal here? Am I missing something?

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