duplicates
how to remove .svn folder from github repo
I have pulled a repository using TortoiseSVN. In it are .svn folders in the root and all subfolders. I have created a github repository and pushed whole repository.[详细]
2023-03-25 00:33 分类:问答Is list comprehension appropriate here?
I have to append elements to a list only if the current iterated element is not already in the list. >>> l = [1, 2][详细]
2023-03-24 22:02 分类:问答Get unique items from list of lists? [duplicate]
This question already has answers here: Uniqueness for list of lists (7 answers) Closed 5 years ago. I have a list of lists that looks like this:[详细]
2023-03-24 17:57 分类:问答Finding possible duplicates in database
I have a database storing multiple columns and I am trying to create efficient sql query that would output all the possible duplicates based on selected columns (1 or more).[详细]
2023-03-24 09:48 分类:问答How to merge rows + retrieve new and existing keys
In a开发者_高级运维n Oracle table (e.g. MYTABLE, with a numeric sequenced field as primary key), I have to insert several thousand of rows, but some of them are supposed to already exist in the table.[详细]
2023-03-24 02:19 分类:问答How to count duplicates values in NSArray?
Value of my NSArray includes the duplicates. I find the duplicates but now how can I开发者_JAVA技巧 find the no. they repeat?You can use NSCountedSet for this. Add all your objects to a counted set, t[详细]
2023-03-23 17:55 分类:问答Big O Speed of Removing Duplicates from Linked List Without Buffer
The开发者_Python百科 approach I\'m referring to is the dual-pointer technique.Where the first pointer is a straightforward iterator and the second pointer goes through only all previous values relativ[详细]
2023-03-23 10:23 分类:问答How to remove duplicated rows by a column in an R matrix
I am trying to remove duplicated rows by one column (e.g the 1st column) in an R matrix. How can I extract the unique set by one column from a matrix? I\'ve used[详细]
2023-03-23 06:39 分类:问答C# - Merge two DataTables where rows are duplicate
I can find lots of information about merging two DataTables and dropping duplicate rows, but I need the opposite.[详细]
2023-03-22 20:49 分类:问答Remove duplicated objects that has the same value for a certain key, (wordpress: do not retrieve posts with same title)
i looked for everywhere but i can\'t find an answer anywhere, and i\'m a beginner with php so i hope that there will be someone so kind to help me.[详细]
2023-03-22 19:24 分类:问答