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  • troubles creating a List of doubles from a list of objects

    - by Michel
    Hi, i have a list with objects. The object has a property 'Sales' which is a string. Now i want to create a list of doubles with the values of all objects' 'Sales' properties. I tried this: var tmp = from n in e.Result select new{ Convert.ToDouble ( n.Sales) }; but this gives me this error: Error 106 Invalid anonymous type member declarator. Anonymous type members must be declared with a member assignment, simple name or member access.

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  • Creating and Compiling a C++ project on Windows

    - by sc_ray
    I need to work on C++ project on my windows machine. My project will consist of various classes(.h and .cpp) as well as the startup file to start the application. The preliminary design is simple but the application has the potential to gain complexity as time goes by. What I need here is ideas to set up the C++ project compiler/IDE/Makefile etc..etc. as well as some standard tools besides Visual C++ to compile/build/link projects such as these on a Windows OS. Thanks

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  • Python Split usage

    - by Chris M
    I'm cocking this up and it should be really simple but the value of sortdate is none (note im only doing this because converting a string to a date in Python is a bugger). DateToPass = str(self.request.get('startdate')) mybreak.startdate = DateToPass faf = DateToPass.split('-') sortdate = str(faf[2] + faf[1] + faf[0]) That should work? but its just being stored as null though the datetopass is being stored fine.

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  • regular expression - function body extracting

    - by Altariste
    Hi, In Python script,for every method definition in some C++ code of the form: return_value ClassName::MethodName(args) {MehodBody} ,I need to extract three parts: the class name, the method name and the method body for further processing. Finding and extracting the ClassName and MethodName is easy, but is there any simple way to extract the body of the method? With all possible '{' and '}' inside it? Or are regexes unsuitable for such task?

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  • Ruby - How to write a new file with output from script

    - by Sam
    I have a simple script that does some search and replace. This is basically it: File.open("us_cities.yml", "r+") do |file| while line = file.gets "do find a replace" end "Here I want to write to a new file" end As you can see I want to write a new file with the output. How can I do this?

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  • C++ question on file formats and od

    - by user231536
    I have the following simple code: ofstream output("test"); output << 'a'; When I do an octal dump of the file, I get this: 0000000 000141 0000001 I can see that 000141 (in base 8) is 8 bits wide and 0000001 is probably EOF. What is the first byte of all 0's and why is it there? I know it is null is ascii but what is its purpose?

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  • nonparametric regression method using R

    - by user1782652
    I need to find the certain driver variables for unit sales & their impact on sales. My data is such data the error does not follow normal distribution & the unit sales is also not following any particular statistical distribution. Given such condition, it is difficult for me to use simple liner regression or GLM. Can any of you please suggest me some non parametric regression technique which I can use in R to model the relationship? Thanks,

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  • How to read large number of rows efficiently using Zend_Db?

    - by Alex N.
    Is there a simple :) and efficient way or reading very large number of rows sequentially using Zend_Db? Basically I need to process entire table, row by row. Table is large, primary key sequence is not guaranteed(i.e. not an autoincrement, but is UNSIGNED INT). What's the best way to approach this? Environment: PHP 5.2, Zend Framework 1.10, MySQL 5.1

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  • Multiple controllers with a single model

    - by Eric K
    I'm setting up a directory application for which I need to have two separate interfaces for the same Users table. Basically, administrators use the Users controller and views to list, edit, and add users, while non-admins need a separate interface which lists users in a completely different manner. To do this, would I be able to just set up another controller with different views but which accesses the Users model? Sorry if this is a simple question, but I've had a hard time finding how to do this.

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  • Compile a PHP script in Linux

    - by Botto
    I know php scripts don't actually compile until they are run. However say I want to create a small simple program and compile it to a binary without requiring the php binary. How could I do this? I'v seen a few IDE's out there that would do this, but either they are all for windows or the linux versions don't actually build properly. What I would like is something like py2exe that does it in the script itself.

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  • An interesting issue about mysql_real_escpae_string

    - by phpExe
    I have simple form for editting site content: - a text input for title - a textarea for content When adding content, there is no problem, allthings add normally: $chead = mysql_real_escape_string(stripslashes($_POST['chead'])); $ctext = mysql_real_escape_string(stripslashes($_POST['ctext'])); But when edittig the article that containig the $chead = 'sdsfsf' "sdgsdgs"ggdsfsdg The $chead = 'sdsfsf' and the "sdgsdgs"ggdsfsdg will be lost!!! What is the problem with mysql_real_escpae_string? Thanks

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  • Font display in iPhone

    - by Joe
    I develop a simple mobile page; the font displayed is very samll although I set it as 33px and the screen resolution for iPhone is 320 X 480. Does anyone know why it is so small? Or the screen resolution is not 320 X 480 since it can be zoomed. Then how do I make the font to be adapted to the resolution automatically?

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  • How to disable an input with jQuery Validation Plugin

    - by Eelke
    This should be really simple but I can't get it to work, how do I disable and add a class to an input? Let's say I've got an input field with id = name, this is how far I got, $("input#name").attr("disabled"); What am I doing wrong here? Any help would be greatly appreciated, thanks in advance!

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  • manage user permissions in php

    - by user420528
    i am creating a marks management system using php & mysqlwhere the concerned faculty will be able to login and enter the marks of the students. i can go with a simple table but the problem is there are 288 different subjects for which marks must be entered. So creating a mysql table with so many subjects does not look good for me. please suggest me the best way to manage user permissions so that only the corresponding faculty will be able to enter marks

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  • R programming function without ()

    - by Mark Kennedy
    So, I Have the following very simple map.r file. I'm trying to have the user type "click" in interactive mode and then have the function . Since it's a function, the user has to type "click()" how can I make it so that they only have to the word (w/o parentheses), and then have that function do something with the img. So the user types: mydist("image.pnm") click //And then the function click does what it's supposed to mydist <- function(mapfile) { img <- read.pnm(mapfile) plot(img) } click <- function() { //Prompt user to click on img }

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  • How to match !x but not !!x in JS regex?

    - by mpeterson
    Given the following text: This is!!xa simple string!xpattern I would like to get a regexp that matches the !x that's between "string" and "pattern" but not !!xa that's between "is" and "a". This regexp is to be used inside a string split(). I have tried several combinations but I cannot get a regexp that meets my needs. Perhaps my expression is not so regular after all =) Thanks in advance!

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  • What is the best way to include a php file as a template?

    - by Jon
    I have simple template that's html mostly and then pulls some stuff out of SQL via PHP and I want to include this template in three different spots of another php file. What is the best way to do this? Can I include it and then print the contents? Example of template: Price: <?php echo $price ?> and, for example, I have another php file that will show the template file only if the date is more than two days after a date in SQL.

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  • Mef, passing parameters to a module

    - by Flex_Addicted
    Hi guys, I'm studying MEF and I'm not able to resolve a problem. I have a main application, called MainMEF, and a simple module, called SimpleModule. This one consists of a single UserControl which is loaded dinamically. When MainMEF starts up, I would be able to pass to the module a reference to main application contained into MainMEF. How could I fix this? Thanks in advance.

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  • Is it okay to use array[key] in PHP?

    - by terrani
    Hi, I have a simple question. Is it okay to use array without single or double quotion like $array[key]? I thought it is bad because PHP look for constant first if I don't use single or doulbe quotion. One of my colleagues told me that it does not matter. WHat do you guys think?

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  • Where are certain Wordpress files that I want to programmatically edit?

    - by user173951
    I have a simple perl script that via ftp uploads files to the server hosting our website. After I do that I have to login as a Wordpress admin and use the GUI to edit a page so that it reflects the new file I just uploaded. I want to programmatically edit that file to save a few steps, but I can't find the file. Are any Wordpress files sitting on the server? The file in question is basically a subpage of the main site.

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  • Show default value for editing on Python input possible?

    - by kircheis
    Is it possible for python to accept input like this: Folder name: Download But instead of the user typing Download it is already there as a initial value. If the user wants to edit it as Downloads all he has to do is add a 's' and press enter. Using normal input command: folder=input('Folder name: ') all I can get is a blank prompt: Folder name: Is there a simple way to do this that I'm missing?

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