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• Getting IBindingList Property to sort by

  - by Josh

  I've got a class called DatagridBoundList that implements CollectionBase and IBindingList. The implementation of IBindingList.ApplySort looks like this so far: void IBindingList.ApplySort(PropertyDescriptor property, ListSortDirection direction) { throw new NotSupportedException(); } I'm binding the DatagridBoundList to a DataGridView (winforms). When I reflect over the property parameter, I can't seem to find the name of the actual property that the list needs to be sorted by. What's the trick to finding out the name of the property to sort by?

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• Create, sort, and print a list of 100 random ints in the fewest chars of code

  - by TheSoftwareJedi

  What is the least amount of code you can write to create, sort (ascending), and print a list of 100 random positive integers? By least amount of code I mean characters contained in the entire source file, so get to minifying. I'm interested in seeing the answers using any and all programming languages. Let's try to keep one answer per language, edit the previous to correct or simplify. If you can't edit, comment?

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• How can I sort an NSDictionary ?

  - by Ankit

  O have an NSDictionary. Inside the dictionary there is an array. I want to sort the dictionary and display it's value in ascending order so please any one help me how can I get sorted data?

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• Sort by ranking algorithm using will-paginate

  - by bearwithclaws

  I'm creating a digg-like site using Ruby on Rails that ranks the item (based on this algorithm). I'm using the will-paginate gem list the items in pages. The problem is, will-paginate only allows me to insert ':order =' based on the table data. I would like to make will-paginate to sort by a number which is calculated using a function based on different fields on the table (e.g number of votes, age hours). How can I do that?

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• sort array of size n

  - by Grv

  if an array of size n has only 3 values 0 ,1 and 2 (repeated any number of times) what is the best way to sort them. best indicates complexity. consider space and time complexity both

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• django sort by manytomany relationship

  - by Marconi

  I have the following model: class Service(models.Model): ratings = models.ManyToManyField(User) Now if I wanna get all the service with ratings sorted in descending order I did something: services_list = Service.objects.filter(ratings__gt=0).distinct() services_list = list(services_list) services_list.sort(key=lambda service: service.ratings.all().count(), reverse=True) As you can see its a three step process and I don't feel right about this. Anybody who knows a better way to do this?

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• Sort a Vector of custom objects

  - by user307818

  I'm trying to sort a Vector in java but my Vector is not a vector of int, it is a vector of objects the object is: public MyObject() { numObj = 0; price = new Price(); pax = new Pax(); } so I have a Vector of MyObject and I want to order it by numObject, how do i do it, I'm new in java? Thank you so much for all your help.

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• Extracting a given number of the highest values in a List

  - by James P.

  I'm seeking to display a fixed number of items on a web page according to their respective weight (represented by an Integer). The List where these items are found can be of virtually any size. The first solution that comes to mind is to do a Collections.sort() and to get the items one by one by going through the List. Is there a more elegant solution though that could be used to prepare, say, the top eight items?

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• c read float from file and sort

  - by Franky

  Hi all I have a problem with a C application; i have on a .txt file some float numbers and I have to read them and sort in descending way. When i do the fscanf command and then the printf, i get on the screen strange numbers (memory location I suppose). How can i solve the problem? Thanks in advance

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• Problem in sort by date in multi array?

  - by AB

  I want to sort array A based on values in Array B actually in Array A I have topics like keyboard Laptop Desktop mouse and in Array B i have dates associated with each value in Array A how i can achieve this....I was thinking of using multi array but i m not sure if there is any default method of sorting multi array ...or if there is any other method to achieve this?

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• how to sort a Collection<T> ???

  - by Mercer

  Hi All I have a generic Collection and am trying to work out how I can sort the items contained within it. Ive tried a few things but I cant get any of them working.

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• Sort collection of objects in HashMap based on the object's variable

  - by chandra wibowo

  I have a collection of book objects in a HashMap. The book has book_title, book_author, book_year_published, etc. I want to sort them based on the book_title which is a String, in both ascending and descending order, and display them on the screen. I wish someone can help me - I have been doing this for hours and still havent come up with a solution. Thanks in advance.

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• Best way to Sort-n-Concatenate 5 columns

  - by SDReyes

  Having five columns containing numeric values A | B | C | D | E ------------------- 2 | 3 | 4 | 1 | 5 3 | 6 | 1 | 5 | 4 4 | 5 | 7 | 1 | 3 I want to obtain the concatenation of the values after sort them: ABCDE ----------- 1 2 3 4 5 1 3 4 5 6 1 3 4 5 7 What is the best way to do it?

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• php sort properties of object

  - by lannoo

  I want to sort the properties of an object so I can loop through them in a defined order. for example: I have an object 'book' with the following properties: 'id', 'title', 'author', 'date'. Now i want to loop through these properties like this: foreach($book as $prop=>$val) //do something now the order of the loop has to be 'title', then 'author', 'date' and 'id' How would one do this? (I can't change the order of the properties in the class of the object because there arent any properties defined there, I get the object from the database with 'MyActiveRecord')

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• Remember (persist) the filter, sort order and current page of jqGrid

  - by Jimbo

  My application users asked if it were possible for pages that contain a jqGrid to remember the filter, sort order and current page of the grid (because when they click a grid item to carry out a task and then go back to it they'd like it to be "as they left it") Cookies seem to be the way forward, but how to get the page to load these and set them in the grid before it makes its first data request is a little beyond me at this stage. Does anyone have any experience with this kind of thing with jqGrid? Thanks!

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• sort date fields to obtain earliest date

  - by manu

  in my database , dates are stored in DD-mm-yyyy format , how can i sort this to obtain the earliest date ? Cursor c = myDb.query(TABLE, new String[]{"dob"}, null, null, null, null, "dob"); I have selected it to order by dob field but its not ordered ... This is the output for the above query 01-03 17:14:51.595: VERBOSE/ORDER DOB(1431): 01-11-1977 01-03 17:14:51.595: VERBOSE/ORDER DOB(1431): 01-12-1988 01-03 17:14:51.614: VERBOSE/ORDER DOB(1431): 15-01-1977 01-03 17:14:51.656: VERBOSE/ORDER DOB(1431): 31-01-1988

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• What is the difference between quicksort and tuned quicksort?

  - by kunjaan

  What is the fundamental difference between quicksort and tuned quicksort? How does Java decide to use this instead of merge sort?

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• Sort Order With End Year and Start Year

  - by Maletor

  I'm looking to write a comparator to sort my items in a list. For items without an end year they should be at the top. For items with an end year they should be next. For items with the same end year the one with the lowest start year should be next. Something I have so far [item.get('end_year'), item.get('start_year')] Test sceanrios first is end year second is start year ("" is present) "", "" "", 2012 "", 2011 2012, 2005 2012, 2008 2011, 2011 2010, 2005

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• Rectangular divs with textual content are arranged in rows based on their sort order

  - by Sean Ochoa

  Is it possible to create the following behavior with one or more existing JQuery plugin(s)/widget(s)... or with some other web framework? Rectangular divs with textual content are arranged in rows (left to right) based on their sort order, and then flow to the next line if needed (top to bottom).

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• sort a custum Vector of objects

  - by user307818

  I'm trying to sort a Vector in java but my Vector is not a vector of int, it is a vector of objects the object is : public MyObject() { numObj = 0; price = new Price(); pax = new Pax(); } so I have a Vector of MyObject and I want to order it by numObject, how do i do it, i'm new in java? thank you so much for all your help

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• Sorting a C# Dictionary

  - by SoulReaver

  I have a dictionary in C# like Dictionary<Person, int> and I want to sort that dictionary in place with respect to keys (a field in class Person). How can I do it? Every available help on the internet is that of lists with no particular example of in place sorting of Dictionary. Any help would be highly appreciated!

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• C++ sort array of strings

  - by user69514

  I am trying to sort an array of strings, but it's not sorting anything.... what am I doing wrong? string namesS[MAX_NAMES]; int compare (const void * a, const void * b){ return ( *(char*)a - *(char*)b ); } void sortNames(){ qsort(namesS, MAX_NAMES, sizeof(string), compare); }

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• MySQL Search (Sort by Relevance)

  - by atif089

  Hi guys, Can any one help me how to sort rows by relevance for the following criterion ? tbluser First Name Last Name tbleduc School College University On the search form the user has following fields Name School College University Where School College and University are Optional.. And Name is split into 2 words (other words in middle are omitted), first word is taken as first anme and last word as last name.. Now I would like to implement search based on relevance. Thanks for the help :)

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• How can I sort the vector elements using members as the key in C++

  - by skydoor

  suppose we have a vector<student> allstudent Now I would like to sort the students using different memebers,such as name, age, address, like that. How can I do that?

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• C++ struct sorting

  - by Betamoo

  I have a vector of custom Struct that needs to be sorted on different criteria each time Implementing operator < will allow only one criteria But I want to be able to specify sorting criteria each time I call C++ standard sort. How to do that? Please note it is better to be efficient in running time.. Thanks

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