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• In Python how do I sort a list of dictionaries by values of the dictionary?

  - by masi

  I got a list of dictionaries and want that to be sorted by a value of that dictionary. This [{'name':'Homer', 'age':39}, {'name':'Bart', 'age':10}] sorted by name, should become [{'name':'Bart', 'age':10}, {'name':'Homer', 'age':39}]

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

  - by Andrew Welch

  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

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• How to write a recursive function that returns a linked list of nodes, when given a binary tree of n

  - by Jian Lin

  I was once asked of this in an interview: How to write a recursive function that returns a linked list of nodes, when given a binary tree of nodes? (flattening the data) For some reason, I tend to need more than 3 to 5 minutes to solve any recursive problem. Usually, 15 to 20 minutes will be more like it. How could we attack this problem, such as a very systematic way of reaching a solution, so that they can be solved in 3 to 5 minute time frame?

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• How do I sort this list in Python, if my date is in a String?

  - by alex

  [{'date': '2010-04-01', 'people': 1047, 'hits': 4522}, {'date': '2010-04-03', 'people': 617, 'hits': 2582}, {'date': '2010-04-02', 'people': 736, 'hits': 3277}] Suppose I have this list. How do I sort by "date", which is an item in the dictionary. But, "date" is a string...

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• How do I convert tuple of tuples to list in one line (pythonic)?

  - by ThinkCode

  query = 'select mydata from mytable' cursor.execute(query) myoutput = cursor.fetchall() print myoutput (('aa',), ('bb',), ('cc',)) Why is it (cursor.fetchall) returning a tuple of tuples instead of a tuple since my query is asking for only one column of data? What is the best way of converting it to ['aa', 'bb', 'cc'] ? I can do something like this : mylist = [] myoutput = list(myoutput) for each in myoutput: mylist.append(each[0]) I am sure this isn't the best way of doing it. Please enlighten me!

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• Is it possible to make Unordered list like this using CSS ?

  - by atif089

  Hi, Is it possible top make an unordered list in this image ? I cant use 2 images for single <li> tag If I use arrow as background and padding-left then the border-bottom will come under image as well. I cant use margin-left and background-position too I guess ? Any ideas ? Thanks

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• CouchDB query a list function with the results of a view with multiple keys?

  - by fuzzy lollipop

  Multiple key selection on the view works fine. I now want to process the results through a list function. This is what I am trying right now and I can't get it to work. curl -X POST -d '{"keys":[["cnnid","22222222"],["src","e"]]}' http://localhost:5984/test/_design/transfer/_list/search/search1?group=true&group_level=1

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• f# one list to another?

  - by mamu

  I have a list of tuples with three values in tuples I want to create new List of strings out of previous list with one value out of tuples. List [(string * string * int) ] List[ for i in columns -> i.getfirstvalueintuple] How can i do that? very basic question but i can't figure it out. Also is there any other way of building another kind of list or seq out of existing list?

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

  - by controlfreak123

  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'>

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• Dragging and Dropping between <s:List> and <mx:Tree> in Flex 4.

  - by Kyle Van Koevering

  Does anybody know if it is possible to drag items from a s:List control into an mx:Tree control? I've been stuck on this problem for quite some time and am at the end of my rope. If it is not possible does anybody have any suggestions for what I can do instead?

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• Can Anyone point me to a Android Market catalog or application list.

  - by Doug

  I'm up and running in Eclipse, have worked through several tutorials and would like to start developing my first marketable app. Is there anyplace I can find a comprehensive list or catalog of what's available on the Android marketplace? I'd hate to waste a lot of development time building an app that has twelve free versions already available.

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• Get dorodown list selected value which is filled in javascript on button click event on server side

  - by abhijit

  I am using ASP.Net 3.5. I have fiiled dropdown list in javascript using ajax service but unable to get its selected value in button click event on server side.

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• How can I setup a mailing list that publishes and email to all members when logs in and presses a bu

  - by kjm

  I want to setup a site where users can register and then simply logon and press a button on a web page (that I will need to build) that then post a generic email to everyone. I want a button on the page that the user can press that will result in an email being sent to all members of the list/group I am looking at mail man. Any ideas?

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• Is this list-initialization of an array of unknown size valid in C++0x?

  - by Faisal Vali

  Is this list-initialization of an array of unknown size valid in C++0x? int main() { int x[]{0, 1,2,3,4}; return x[0]; } I believe it is valid, but would appreciate some confirmation. If anyone could quote from the C++0x-FCD to support their case, it would be greatly appreciated. Thanks!

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• Java - Adding a Node in a doubly-linked list.

  - by jacobnlsn

  Hi, I am working on some code were I need to add a Node into a doubly linked-list, this is the code I have so far: Node tempNext = cursor.getNext(); temp = new Node(item, null, cursor, tempNext); tempNext.setPrev(temp); cursor is the Node that is right before the new added Node should go.

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• How do I randomly select from a list in Python?

  - by Liam Block

  Basically, I've got a homework task of programming a text based battle simulator in Python. Obviously I've gone with pokémon... I would like the enemy to be randomly selected, however I don't know how to randomly select from a list... foo = ['a', 'b', 'c', 'd', 'e'] from random import choice print choice(foo) This is what I've been told to try but I've got no modules or anything imported... How can I make this work, appreciated.

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• How can I convert a C# list into something that's hashable?

  - by gatoatigrado

  I want something along the lines of Python's tuples (or, for sets, frozensets), which are hashable. I have a List<String> which is most certainly not hashing correctly (i.e. by value).

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• How to create and add elements in a list in Scheme?

  - by Chris

  I want to define a method that take an integer as input and creates dynamically a list of all descending integer numbers to zero. I find trouble into calling method for the n-1 element

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• Can I set the default value of a custom list column to be a new Guid?

  - by Graeme

  I tried setting the defaultvalue property of the field to Guid.NewGuid() but every item created has the same guid so I guess the Guid.NewGuid() is being stored as the default rather than being run each time. Is the only way to achieve this to add an event handler to the list for OnAdded?

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• Explain how finding cycle start node in cycle linked list work?

  - by Passionate programmer

  I understand that Tortoise and Hare's meeting concludes the existence of loop, but how does moving tortoise to beginning of linked list while keeping the hare at meeting place, followed by moving both one step at a time make them meet at starting point of cycle?

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• Help me to get my head around finding cycle start node in cycle linked list?

  - by Passionate programmer

  I understand that Tortoise and Hare's meeting concludes the existence of loop, but how does moving tortoise to beginning of linked list while keeping the hare at meeting place, followed by moving both one step at a time make them meet at starting point of cycle?

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• Elegent way to collapse or expand sub-sequences of a list in Python?

  - by forgot

  I want to collapse or expand sub-sequences of a list e.g. ['A', 'B', 'D', 'E', 'H'] -> ['AB', 'DE', 'H'] and vice versa currently I wrote some ugly code like: while True: for i, x in enumerate(s): if x == 'A' and s[i+1] == 'B': s[i:i+2] = 'AB' break else: break For people who asking 'why do that thing': Actually I'm working on a optimizing compiler and this is the peephole part. Writing pattern matching is a little annoying.

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• Where can I find a list of all UK _full_ postcodes including street name and their precise coordinat

  - by ORA600

  Where can I find a list of all UK full postcodes including street name and their precise coordinates? They should be not like AB1, AB23 etc but AB1 2AA, AB23 5ZZ etc. Preferably for free :) Thanks

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• How to add the document library column named "Type (icon linked to document)" into list view?

  - by Sushant

  I am working with a list view. I want a column to have look similar to the document library column named "Type (icon linked to document)" column. I should also be able to set the path this hyperlinked icon should open. I tried a lot with existing site columns but could still not figure out how to do this. Has anyone implemented this earlier. Please share your expertise. Thanks in advance.

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• How to determine whether a linked list contains a loop?

  - by ET

  During a preparation for a job interview, I encountered the following question: How can you determine whether a linked list (of any type) contains a loop, using additional space complexity of O(1)? You cannot assume that the loop starts at the first node (and of course, the loop doesn't have to contain all nodes). I couldn't find the answer, though I have the feeling it's quite simple...

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