Give me a practical use-case of Multi-set

I would like to know a few practical use-cases (if they are not related/tied to any programming language it will be better).I can associate Sets, Lists and Maps to practical use cases.

最后印度滳滴答滴答是什么歌？

Why "pm.newQuery(Employee.class)" and not "pm.newQuery(Employee)" in JDO?

In this JDO, why is .class needed here? Query averageSalaryQu开发者_如何学编程ery = pm.newQuery(Employee.class);

How to test if a file is currently being written to

I have an a开发者_如何学编程pplication that must check a folder and read any files that are copied into it.

How to make a class in one file work with UIWebViewController implemented in another file?

So I have a UIWebView implemented in one .m file and a UITableView implemented in another. When a user clicks UITableView element, the UIWebView appears. The problem is that I have to set UIWebView\'s

Getting NSRange from Subclassed UIPasteboard Selection

I am wondering if there is some way to subclass UIPasteboard in order to get the selection behavior, but not get the \"Cut, Copy, and Paste\" options.In addition to this, is there some notification I

I dont know how or where to add the correct encoding code to this iPhone code

Ok, I understand that using strings that have special characters is an encoding issue. However I am not sure how to adjust my code to allow these characters. Below is the code that works great for tex

get image size using javascript or jquery

I want to get the image size using javascript or jquery. something similar开发者_JS百科 to imagesize().

Filter list of phone numbers using php

I have a list of phone numbers that start with the below numbers and in different formats...i need to grab the numbers that start only with the belo开发者_如何学Cw numbers/format using php......

Translating functional dependencies into 3rd normal form

I have this problem decomposing a relation schema into a set of开发者_高级运维 schemas that are in 3NF.