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Python Lists Beginner

Hi I created a list in Python: mylist=os.listdir("/User/Me/Folder") now I have a list of files in a List. What I would like to do is: Take one file name after the other and add a URL to it: /myurl/ + each item in mylist And then I would like to write the result in a html template from Django. So that it display all the images in...

LINQ - Get all items in a List within a List?

Hey all, I'm currently working my way through the learning curve that is LINQ and I could really use some assistance. I don't know if what I want is possible, but if I had to wager, I bet it is. I currently have a list of objects called _tables and each of these objects has within it another list of objects exposed through the propert...

Way to Treat Python single vals and lists of vals identically?

Hello, I'm running into this problem often: I'm creating a function that needs to perform a series of operations on a value, whether that value be a single value or a list of values. Is there an elegant way to do this: def convert_val(val): do a series of things to each value, whether list or single val return answer or list of...

Java cannot find symbol in List

OK so I switched from JList to List because 1.) It doesn't overlap my drawn images 2.) It can have focus disabled yet track what's selected Anyway, here's the error I get when I try to compile: C:\Users\Dan\Documents\DanJavaGen\inventory.java:30: cannot find symbol symbol : constructor List(java.lang.Object[]) location: class java.aw...

Java Applet - List error

OK so I'm doing an ArrayList into a (awt) List and I'm getting the following errors when compiling. C:\Users\Dan\Documents\DanJavaGen\ArrayList_INV.java:29: cannot find symbol symbol : constructor List(java.lang.Object[]) location: class java.awt.List list = new java.awt.List(arr.toArray()); ^ C:\Users\Dan\Docume...

Adding buttons at run time to each row in a list view

I am working in an android application that uses a list view. I currently have a XML for the row layout with only one text view. Based on certain conditions, some rows will have one additional button and some other rows may have 2 additional buttons. Can I override the getView method of the adapter class to do this logic? is there any pe...

Java List set Background of list item

Simple question: How to change a background color of a Java AWT List? By that I mean the list ITEM *not* the WHOLE list. SO > Google :) ...

Makefile, modify list

If I have a list in a GNU Makefile, is it possible to create a new list with the original strings modified. This is would be perfect if there was the map higher-order procedure from some languages. This is an example of what I'm trying to do DIRS=A B C D #apply some magic to create DIRS_INCLUDE=-IA -IB -IC -ID ...

loop until all elements have been accessed N times in python

I have a group of buckets, each with a certain number of items in them. I want to make combinations with one item from each bucket. The loop should keep making different combinations until each item has participated in at least some defined number. I can easily see how to run the loop and stop once a single element has been accessed a c...

PHP: Sum list of values

My page should shown information like this: No. Customer Bank_Name Amount --------------------------- 1. AAA Bank A 100 2. BBB Bank B 200 3. CCC Bank A 500 4. DDD Bank C 150 ---------------------------- Total 950 How to sum amount as shown below: Summary No.Bank_Name...

Check list of words in another string

Hello, I can do such thing in python: list = ['one', 'two', 'three'] if 'some word' in list: ... This will check if 'some word' exists in the list. But can I do reverse thing? list = ['one', 'two', 'three'] if list in 'some one long two phrase three': ... I have to check whether some words from array are in the string. I can...

How to return array list the data of one table in java ?

I want to return arraylist of one table data out without using Bean/Transfer objects ArrayList<MyBean> list = new ArrayList<myBean>(); not like above, because I dont have such MyBean Class in my application, but still i need to add each row of employee table to ArrayList How can I do this ? ...

Element goes missing during iteration of Arraylist

Can somebody explain to me whats wrong with the below piece of code ? public static void main(String[] args) { List<String> l = new ArrayList<String>(); l.add("1"); l.add("2"); l.add("3"); l.add("4"); for (int i = 0; i < l.size(); i++) { if(l.get(i).equals("1")) l.remove(l.get(i)); else System.out.println(l.get...

C double linked list with abstract data type

Hello, i need in double linked list in C, but it must be for different types. In C++ we use templates for it. Where can i find example in C for double linked list with abstract types items. Thank you ...

Is returning List<T> from method differ in performance from returning Collection<T> ?

We have a web project that contain its business methods in a class library project called "Bll.dll" some methods of Bll.dll return List<> ... from a source - that i don't remember now - told that returning Collection<> is better than returning List<> Is it a valid ? Note that i don't make any process on values returned from BLL methods ...

Android Expandable lists having multiple child items in a single row and their onClick event

I could not figure out how to implement two basic functionalities with the expandable lists: 1. The onClick for the child 2. Using linear layout for the children, so that I can have multiple clickable items in same row under the parent item Can somebody help me with some sample code for the above? ...

python - list operations

Given a list of unsorted numbers, I want to find the smallest number larger than N (if any). In C#, I'd do something like this (checks omitted) : var x = list.Where(i => i > N).Min(); What's a short, READABLE way to do this in Python? ...

From a one to many SQL dataset Can I return a comma delimited list in SSRS?

I am returning a SQL dataset in SSRS (Microsoft SQL Server Reporting Services) with a one to many relationship like this: ID REV Event 6117 B FTG-06a 6117 B FTG-06a PMT 6117 B GTI-04b 6124 A GBI-40 6124 A GTI-04b 6124 A GTD-04c 6136 M GBI-40 6141 C GBI-40 I would like to display it as a comma d...

Alphabetical lists with ruby on rails

I am building a list that will be sorted by the alphabet and am looking for a solution to grab the database result and sort it like this: photo Any help is greatly appreciated! ...

How can I order TreeMaps or ArrayLists holding Persons based on their ID, name, or birthdate?

I have tried almost everything and I can't seem to get my lists to order themselves. Here's some code: private List<Person> names = new ArrayList<Person>(); private Map<Integer, Person> peopleMap = new TreeMap <Integer, Person>(); for(int i = 0; i<20; i++) { Person personOne = new Person(); peopleMap.put(personO...