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  • 2 basic but interesting questions about .NET

    - by b-gen-jack-o-neill
    Hi, when I first saw C#, I thought this must be some joke. I was starting with programming in C. But in C# you could just drag and drop objects, and just write event code to them. It was so simple. Now, I still like C the most, becouse I am very attracted to the basic low level operations, and C is just next level of assembler, with few basic routines, so I like it very much. Even more becouse I write little apps for microcontrollers. But yeasterday I wrote very simple control program for my microcontroller based LED cube in asm, and I needed some way to simply create animation sequences to the Cube. So, I remembered C#. I have practically NO C# skills, but still I created simple program to make animation sequences in about hour with GUI, just with help of google and help of the embeded function descriptions in C#. So, to get to the point, is there some other reason then top speed, to use any other language than C#? I mean, it is so effective. I know that Java is a bit of similiar, but I expect C# to be more Windows effective since its directly from Microsoft. The second question is, what is the advantage of compiling into CIL, and than run by CLR, than directly compile it into machine code? I know that portability is one, but since C# is mainly for Windows, wouldn´t it be more powerfull to just compile it directly? Thanks.

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  • MySQL based authentication with crypt()ed password fails in Apache 2.2

    - by Fester Bestertester
    I'm trying to set up a simple CalDAV/CardDAV server with a Radicale backend and an Apache 2.2 frontend. So far, it's all nice and simple, but I can't get the MySQL based authentication to work. I'd like to authenticate users against an existing MySQL database, and I need the REMOTE_USER variable to be set (pretty much like in the configuration examples for Radicale). I've tried mod_auth_mysql, which authenticated the users nicely, but failed to set the REMOTE_USER variable. The newer alternative seems to be mod_authn_dbd, which doesn't seem to like the crypted passwords in the MySQL database. According to the documentation, crypted passwords should work, so maybe I'm just missing a simple parameter. The configuration looks like this: DBDriver mysql DBDParams "sock=/var/run/mysqld/mysqld.sock dbname=myAuthDB user=myAuthUser pass=myAuthPW <Directory /> AllowOverride None Order allow,deny allow from all AuthName 'CalDav' AuthType Basic AuthBasicProvider dbd require valid-user AuthDBDUserPWQuery "SELECT crypt FROM myAuthTable WHERE id=%s" </Directory> I've tested the query, it works fine. And as mentioned before, mod_auth_mysql worked nicely against the same database, but didn't set the required variables. Am I just missing some configuration parameter? Or is mod_authn_dbd just not the right tool to achieve what I want?

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  • Websphere 7 simple realm (like tomcat-users.xml)

    - by Heavy Bytes
    I am trying to port a J2EE app from Tomcat to Websphere and I'm not too familiar with Websphere. The only problem I am having is authorization (I use basic-authentication in my web.xml). In Tomcat I use the tomcat-users.xml file to define my users/passwords and to what roles they belong. How do I do this "simply" in Websphere? When deploying the EAR to Websphere it also asks me to map my role from web.xml to a user or group. Do I have to set up some sort of realm? Custom user registry? Thanks. UPDATE: I configured a Standalone custom registry, however I can't get a log-in prompt for username/password. It works just fine in Tomcat, and it doesn't in Websphere. Code from web.xml <security-constraint> <web-resource-collection> <web-resource-name>basic-auth security</web-resource-name> <url-pattern>/*</url-pattern> </web-resource-collection> <auth-constraint> <role-name>HELLO_USER</role-name> </auth-constraint> <user-data-constraint>NONE</user-data-constraint> </security-constraint> <login-config> <auth-method>BASIC</auth-method> </login-config> <security-role> <role-name>HELLO_USER</role-name> </security-role>

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  • LaTeX lstlisting not highlighting keywords when basic style is ttfamily

    - by Lex
    Hello, I'm working on a LaTeX document and using lstlisting to display my Java source code. My setup looks like this: \lstset{ basicstyle=\ttfamily, keywordstyle=\bfseries, language=Java, frame=single, aboveskip=11pt, belowskip=11pt, breaklines=true, breakatwhitespace=false, showspaces=false, showstringspaces=false } The keywords are not highlighted bold when using ttfamily, but if I use small or don't specify the basic style, they're highlighted fine. What am I missing?

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  • Visual Basic 6 causes Visual Studio 2010 to attempt an installation

    - by parsley72
    I'm using Visual Basic 6 for a legacy project and it's been working fine. I recently installed the Visual Studio 2010 RC and now when I start VB6 I get an installer with the title "Microsoft Visual Studio 2010 Professional RC - ENU". If I click Cancel I can then open my project in VB6. Is there any way of getting rid of this, or am I just the only person on the planet still using VB6?

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  • Symfony Basic API Http Authentication

    - by Daniel Hertz
    Can someone point me in the right direction in regards to making an api use basic http authentication? I am creating a restful api with symfony but would like to require users to be logged in to get certain data. I would also like many of these methods be dependent on the the username in the authentication process in order to get some of the data (using the username from the credentials to get all of a users friends) Thanks!

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  • Why is the installation of certain programs always such a pain in Linux [closed]

    - by Saif Bechan
    I am new to Linux and I am trying to set up a server. For this I sometimes to need to install special software, but the installation of this is always such a pain. For example I wanted to try the htscanner to see if it did the job for me. When i got to the page there is NO INSTALLATION guide. I had to search for the right one on google. Even on google its a pain to find the right method. Just try it - google search.After a long search and tried different things I finally found out that I had te install some more software before it will work. The website says that the version I used did not had any dependencies. Thats a lie. Release0.8.1: No dependencies registered. You do need certain things for it to work. After managing to set it up it still didn't work I can't figure out why because there is no official guide on the website. So I wanted to just uninstall it and find a better solution. Uninstalling. Uninstalling something in Linux is a real mystery how this actually works. The best answer I got is to manually look for the files and delete them. Whats up with that! There is never something said about uninstalling on the websites. Even on the website of CentOS itself it tels you how to install something like rpmforge packages (it's a miracle they tell you and not have to google it) but there is no mention of what to do when you want to uninstall. Why not? The forums you get on when trying to solve your problem are most of the time in plain text, and you have to scroll trough huge error logs before you see somethings that vaguely resembles your question if you are lucky. The Question My question is if there are any recommended websites / forums that explain the basic concepts of installing and uninstalling software on Linux. And explain other useful operations. And not Wikipedia or the first hits of Google, I have been there already. I am looking for some easy to read trough guides on these operations on Linux. I have been on a lot of websites that explain some Linux operation, but I bet its easier to get a degree in rocket science than to read trough the website and understand what they try to say.

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  • Maven archetype for basic spring hibernate struts2 application

    - by Shekhar
    Hello I am looking for a basic maven archetype which can help me create a spring hibernate struts2 application. I have tried using appfuse but it sucks. It took more than half an hour to download n number of dependencies and the project it created was having errors also. if you know anyother maven archetype please tell me. Thanks Shekhar

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  • Basic Matlab question

    - by sylvester
    I know this is really basic, but I am new to matlab. After opening a .fig file, how do you actually work with the data in the command line? All I see is the picture. Im not sure how to actually get the data.

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  • Basic social network functionality

    - by Dimitar Vouldjeff
    Hi, I'm going to develop a social like network using Ruby on Rails. For this app I need basic social functionality like friends, activities, authentication, user profile, facebook connect, comments. I searched for rails plugins with social functions and i found - tog and community engine. So which is better and more easier to extend? Thanks

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  • basic delay on jqyery .click function

    - by kalpaitch
    I have the most basic jquery function of them all, but I couldn't find a way in the documentation to trigger the contents of this click function after say 1500 milliseconds: $('.masonryRecall').click(function(){ $('#mainContent').masonry(); });

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  • basic delay on jquery .click function

    - by kalpaitch
    I have the most basic jquery function of them all, but I couldn't find a way in the documentation to trigger the contents of this click function after say 1500 milliseconds: $('.masonryRecall').click(function(){ $('#mainContent').masonry(); }); P.S. just noticed the .delay function jquery 1.4, although, I am using version 1.3. I don't know whether updating this would interfere with any of the other javascript I currently have.

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  • SQL Query - Need some basic help

    - by Chuck Folds
    I'm in need of some basic TSQL help. Here's my table layout: Orders Table SSN ZipCode ZipLookup Table ZipCode State All columns are varchars. How would I get a list of States with the number of distinct SSN's in each state? Preferably, if a particular SSN has orders from multiple states only the state with the most orders would be counted for that SSN. Thank you for any tips you can give me.

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  • Basic script for VBA

    - by rmdussa
    Hi I need basic script for excel and VBA. for example on sheet1 have table col1(name), col2(netsal),col3(bonus) in sheet1 need a button and want to click that button to get results in sheet2 needs to be col1(name),col2(netsal),col3(bonus), col4(col2+clo3)(total sal) could you please give steps to follow and VBA scripts Thanks

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  • Java - JPA - @Basic and @Embedded

    - by Yatendra Goel
    I am learning JPA from this tutorial. I have some confusions in understanding the following annotations: @Basic @Embedded Fields of an embeddable type default to persistent, as if annotated with @Embedded. If the fields of embeddable types defualt to persistent, then why would we need @Embedded

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  • Basic xhtml/css models ?

    - by Skeptic
    Hi, I need to produce a very simple website (no dynamic-content, 2-columns, header&footer) and I have a basic knowledge of xhtml/css. So I could probably come with something from scratch, but it would probably won't work in "all" browsers. I've done some googling, but it's difficult for me to evaluate the quality of the "free templates" advertized all over the place. So is there any web developer here that has good references or even such models/templates ?

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  • Ruby Mechanize - Basic Get Failing

    - by hutch
    a = WWW::Mechanize.new { |agent| agent.user_agent_alias = 'Mac Safari' agent.history.max_size=0 } page = a.get('http://livingsocial.com/deals?preferred_city=18') Trying a very basic GET request using mechanize but get a 500, yet when I CURL I have no problems. Is there a problem with including parameters in a get() call? I know I am missing something simple

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  • Basic Tooltip (jQuery)

    - by Nimbuz
    HTML: <a href="#" rel="tooltip">Open Tooltip</a> <div id="tooltip">Tooltip Content</div> I checked out some tooltip plugins but my requirement is a really basic tooltip that shows a hidden div on hover. All plugins either have too many advanced options that I don't require and have already styled tooltips that might be difficult to modify. I'd appreciate any help. Thanks.

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  • Basic Custom String Class for C++

    - by wdow88
    Hey all, I'm working on building my own string class with very basic functionality. I am having difficulty understand what is going on with the basic class that I have define, and believe there is some sort of error dealing with the scope occurring. When I try to view the objects I created, all the fields are described as (obviously bad pointer). Also, if I make the data fields public or build an accessor method, the program crashes. For some reason the pointer for the object is 0xccccccccc which points to no where. How can a I fix this? Any help/comments are much appreciated. //This is a custom string class, so far the only functions are //constructing and appending #include<iostream> using namespace std; class MyString1 { public: MyString1() { //no arg constructor char *string; string = new char[0]; string[0] ='\0'; std::cout << string; size = 1; } //constructor receives pointer to character array MyString1(char* chars) { int index = 0; //Determine the length of the array while (chars[index] != NULL) index++; //Allocate dynamic memory on the heap char *string; string = new char[index+1]; //Copy the contents of the array pointed by chars into string, the char array of the object for (int ii = 0; ii < index; ii++) string[ii] = chars[ii]; string[index+1] = '\0'; size = index+1; } MyString1 append(MyString1 s) { //determine new size of the appended array and allocate memory int newsize = s.size + size; MyString1 MyString2; char *newstring; newstring = new char[newsize+1]; int index = 0; //load the first string into the array while (string[index] != NULL) { newstring[index] = string[index]; index++; } //load the second string while (s.string[index] != NULL) { newstring[index] = s.string[index]; index++; } //null terminate newstring[newsize+1] = '\0'; delete string; //generate the object for return MyString2.string=newstring; MyString2.size=newsize; return MyString2; } private: char *string; int size; }; int main() { MyString1 string1; MyString1 string2("Hello There"); MyString1 string3("Buddy"); string2.append(string3); return 0; }

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