survey
validating a poll for user to vote once
Creating a public poll.how do you validate that the user only vote once.I tried using an IP address but some o开发者_JAVA百科rganizations use 1 IP address.It\'s no 100% solution, but you can use a bro[详细]
2023-02-08 19:15 分类:问答Combining Survey Items in R/ Recoding NAs
I have two lists (from a multi-wave survey) that look like this: X1 X2 1NA NA2 NANA How can I easily combine this into a third item, where the third column always takes the non-NA value of colum开[详细]
2023-02-03 10:08 分类:问答Survey Data Model - How to avoid EAV and excessive denormalization?
My database skills are mediocre at best and I have to design a data model for survey data. I have spent some thoughts on this and right now I feel that I am stuck between some kind of EAV model and a[详细]
2023-02-03 06:13 分类:问答form generation and validation in Perl
I am thinking to create a web based survey and I thought the best way would be to describe the questions and the possible answers as a json or yaml file. Then generate the forms from there (possibly s[详细]
2023-02-01 14:41 分类:问答Narrowing conversions in C++0x. Is it just me, or does this sound like a breaking change?
C++0x is going to make the following code and similar code ill-formed, because it requires a so-called narrowing conversion of a double to a int.[详细]
2023-01-30 04:15 分类:问答Creating Surveys with accepts_nested_form_for
I have been working with rails3 and have been trying to create a simple survey application but some issues have come up. I can create questions just fine but when it comes to creating a survey that pe[详细]
2023-01-22 03:11 分类:问答Offline dataentry options
Are there any options available to do offline surveys and questionnaires. Something in the line similar to Adobe Lifecycle that allows coded pdf files. Its costly and there are about 10-15 templates w[详细]
2023-01-16 22:45 分类:问答ASP.Net MVC Submit Post Data for Survey
I\'m having a hard time figuring out how to collect the data from a FormCollection when submitted for my form which collects the answers for a survey. Specifically my problem is with questions that ha[详细]
2023-01-15 07:49 分类:问答Simplest survey tool to integrate into a website
For a startup website. Should have this - 1.开发者_如何转开发) What they would like to see/improved upon ? - Users can enter a one liner.[详细]
2023-01-13 23:52 分类:问答Survey 'overlay' functionality for campaigns
I am looking for the overlay that comes down from the top of the screen and lets people either go to the survey or select “no thanks.” What kind of flexibility do we have with this functionality? Ca[详细]
2023-01-11 20:48 分类:问答