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Fill a list from JSP in Spring

Hello, I have something like this in my Spring Application: public class Book{ public Book(){ sheets = new LinkedList<Sheet>(); } protected List<Sheet> sheets; //getter and setter } I add several Sheets to the sheet list and I print a form in a JSP like this: <form:form modelAttribute="book" action="${dest_...

Making tooltips in dynamically generated lists

At www.euroworker.no/order I have been trying to add a tooltip function but it seems I have misunderstood it. Is there a simple tooltip I can use in this list? IT needs to display image and text. ...

What is a Pythonic way to get a list of tuples of all the possible combinations of the elements of two lists?

Suppose I have two differently-sized lists a = [1, 2, 3] b = ['a', 'b'] What is a Pythonic way to get a list of tuples c of all the possible combinations of one element from a and one element from b? >>> print c [(1, 'a'), (1, 'b'), (2, 'a'), (2, 'b'), (3, 'a'), (3, 'b')] The order of elements in c does not matter. The solution wi...

Predicates and Lists

Hello guys, I have a generic list. Some elements of this list belong to a parent element. I retrieved all these elements from a database and i want to recursively build a tree with them. So, here's what i'm thinking: Here is my predicate: public static bool FindChildren(Int32 parentId,CategoryMapping catMapping) { if (catMapping...

How do I copy only the values and not the references from a Python list?

Specifically, I want to create a backup of a list, then make some changes to that list, append all the changes to a third list, but then reset the first list with the backup before making further changes, etc, until I'm finished making changes and want to copy back all the content in the third list to the first one. Unfortunately, it see...

Is there a jquery List plugin that will auto-sort items and has robust add/remove methods?

I have been googling for hours looking for something to handle my situation. I am not skilled enough to write my own jquery plugin ..YET!! The plugin should auto-sort the list, not as important as being able to add/remove items from the list easily. Themeroller capable would be a plus. I would basically use anything as long as I could ...

How to generate lots of redundant ajax elements like checkboxes and pulldowns in Django?

Hello folks. I've been getting lots of answers from stackoverflow now that I'm in Django just by searching. Now I hope my question will also create some value for everybody. In choosing Django, I was hoping there was some similar mechanism to the way you can do partials in ROR. This was going to help me in two ways. One was in gener...

'int' object is not callable when the object is a list? Python

coinCount = [2 for i in range(4)] total = sum(coinCount) This gives me TypeError: 'int' object is not callable I don't understand why because print type(coinCount) Gives me type <'list'> ...

Is there a simple way to make lists behave as files (with ftplib)

I'd like to use ftplib to upload program-generated data as lists. The nearest method I can see for doing this is ftp.storlines, but this requires a file object with a readlines() method. Obviously I could create a file, but this seems like overkill as the data isn't persistent. Is there anything that could do this?: session = ftp.new(...

Navbar List Items Not Showing in Internet Explorer 6

Hi everyone, I have a bit of a problem with a navbar not displaying correctly in IE6. http://classicpartsltd.com/ - this is the page, and if you hover over a nav item such as 'Goggles' in IE6 you will see that some of the list items are showing up, but that they will in IE7 and IE8... Does anyone know why this would be the case? Many t...

Sikuli List of Functions & Operators

Hello, I've just discovered Sikuli, and would like to see a comprehensive functions list without digging through the online-examples and demos. Has anyone found such a list? Furthermore, apparently Sikuli supports more complex loops and function calls as well, and seems to be based in Python(!!). Examples would be great. Thanks. ...

Javascript object list sorting by object property

I need to do this: (sorry not in javascript syntax-still learning object language :) ) object=car attibutes:top-speed, brand.... now I want to sort the list of those cars in order by top-speed, brand... How do I do this (please note the solution must be javascript only, no php or other stuff) ? ...

Flex custom list selection not highlighting

I want to create a custom list in Flex for an interface prototype. The list is supposed to have an image and 3 text fields. This is what I have done so far, the control displayed is what I want. But, when I click on one of the items, the item does not appear (visually) to be selected. I was not sure how I would implement this. Here is m...

access list element from thread

I have a "List" in the main application and I am trying to access its elements from within a thread. I am getting this exception: {"The calling thread cannot access this object because a different thread owns it."} System.SystemException {System.InvalidOperationException} ...

Calculating a range of an exact number of values in Python

Hello, I'm building a range between two numbers (floats) and I'd like this range to be of an exact fixed length (no more, no less). range and arange work with steps, instead. To put things into pseudo Python, this is what I'd like to achieve: start_value = -7.5 end_value = 0.1 my_range = my_range_function(star_value, end_value, length...

Java List with Objects - find and replace (delete) entry if Object with certain attribute already exists

Hi there I've been working all day and I somehow can't get this probably easy task figured out - probably a lack of coffee... I have a synchronizedList where some Objects are being stored. Those objects have a field which is something like an ID. These objects carry information about a user and his current state (simplified). The point...

python union of 2 nested lists with index

I want to get the union of 2 nested lists plus an index to the common values. I have two lists like A = [[1,2,3],[4,5,6],[7,8,9]] and B = [[1,2,3,4],[3,3,5,7]] but the length of each list is about 100 000. To A belongs an index vector with len(A): I = [2,3,4] What I want is to find all sublists in B where the first 3 elements are equal...

converting a matrix to a list

Suppose I have a matrix foo as follows: foo <- cbind(c(1,2,3), c(15,16,17)) > foo [,1] [,2] [1,] 1 15 [2,] 2 16 [3,] 3 17 I'd like to turn it into a list that looks like [[1]] [1] 1 15 [[2]] [1] 2 16 [[3]] [1] 3 17 You can do it as follows: lapply(apply(foo, 1, function(x) list(c(x[1], x[2]))), function(y...

How do I retrieve a list of Youtube or Vimeo videos by channel / user to display in a standard ul list

Hi, Ideally what I want to do is- display the list of videos thumbnails by the user/channel and display a lightbox with the full video on clicking the thumbnail. Thanks in advance ...

Is there a way to circumvent Python list.append() becoming progressively slower in a loop as the list grows?

I have a big file I'm reading from, and convert every few lines to an instance of an Object. Since I'm looping through the file, I stash the instance to a list using list.append(instance), and then continue looping. This is a file that's around ~100MB so it isn't too large, but as the list grows larger, the looping slows down progress...