duplicates

问题 Yes, another SQL duplicates question :) I have a SQL Server 2008 R2 table with multiple phone number columns, looking something like: ID Tel1 Tel2 Tel3 Tel4 Tel5 Tel6 1 123 456 789 NULL NULL NULL 2 123 456 123 123 NULL NULL 3 456 789 123 456 NULL NULL I'd like to remove the duplicate phone numbers from each row - for example, in row ID 2, I need to NULL Tel3 and Tel4, and in row 3 I need to NULL Tel4. I don't need to check for duplicates between rows - the same phone number can exist between

问题 I'm puzzled with a problem designing a simple QLocalServer-QLocalSocket IPC system. The QLocalServer waits for a new connection and connect the signals to the proper slots. void CommandProcessor::onNewConnection() { QLocalSocket* pLocal = _server->nextPendingConnection(); connect(pLocal,SIGNAL(disconnected()),this,SLOT(onSocketDisconnected())); connect(pLocal,SIGNAL(readyRead()),this,SLOT(onSocketReadyRead())); connect(pLocal,SIGNAL(error(QLocalSocket::LocalSocketError)),this, SLOT

问题 I have a file containing duplicate timestamps, maximum two for each timestamp, actually they are not duplicate, it is just the second timestamp needs to add a millisecond timestamp. For example, I am having these in the file, .... 2011/1/4 9:14:00 2011/1/4 9:15:00 2011/1/4 9:15:01 2011/1/4 9:15:01 2011/1/4 9:15:02 2011/1/4 9:15:02 2011/1/4 9:15:03 2011/1/4 9:15:03 2011/1/4 9:15:04 .... I would like to change them into 2011/1/4 9:14:00 2011/1/4 9:15:00 2011/1/4 9:15:01 2011/1/4 9:15:01.500

问题 I have a file like this file, and I am trying to verify one field of each line, and add some wording if that field has a duplicate earlier in the file. \\FILE04\BUET-PCO;\\SERVER24\DFS\SHARED\CORP\ET\PROJECT CONTROL OFFICE;/FS7_150a/FILE04/BU-D/PROJECT CONTROL OFFICE;10000bytes;9888;;; \\FILE12\BUAG-GOLDMINE$;\\SERVER24\DFS\SHARED\CAN\AGENCY\GOLDMINE;/FS3_150a/FILE12/BU/AGENCY/GOLDMINE;90000bytes;98834;;; \\FILE12\BUGB-BUSINTEG$;\\SERVER24\DFS\SHARED\CAN\GB\BUSINTEG;/FS3_150a/FILE12/BU/GB

问题 I have two ListBoxes. ListBox1 has list of items that can be selected by the user to transfer to ListBox2 by either double clicking the item or pressing the add button. What I want to do now is to prevent the user from adding duplicates in ListBox2. If ever a duplicate is detected a message will prompt "Item already included" and end the code. I am guessing this can be done with contains? But I have no idea how to do it. I have the following codes: 'Report Listing Private Sub UserForm

问题 I have two ListBoxes. ListBox1 has list of items that can be selected by the user to transfer to ListBox2 by either double clicking the item or pressing the add button. What I want to do now is to prevent the user from adding duplicates in ListBox2. If ever a duplicate is detected a message will prompt "Item already included" and end the code. I am guessing this can be done with contains? But I have no idea how to do it. I have the following codes: 'Report Listing Private Sub UserForm

问题 As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. Closed 7 years ago . I have the following class: class A { ArrayList<String> s = new ArrayList<>(); double d = Double.MAX_VALUE; } I've an arrayList of

问题 I am trying to identify near duplicate entries of names in a database. I am new to databases, however i am familiar with R. I can get clusters of near duplicates using fuzzy matching and soundex in R. However there are several names which are synonyms of each other. I would like to cluster the names based on this criteria along with the above ones. I want to do as suggested in Techniques for finding near duplicate records but with synonyms. I understand there is a sort of database of synonyms

问题 I've seen examples for duplicate row manipulation, but I can't figure out how to map them to solve my problem. +----+------------+------+---------+ | id | date | file | status | +----+------------+------+---------+ | 1 | 2011-12-01 | 1 | Pending | | 2 | 2011-12-02 | 1 | Pending | | 3 | 2011-12-03 | 1 | Done | | 4 | 2011-12-04 | 1 | Pending | | 5 | 2011-12-05 | 1 | Done | | 6 | 2011-12-06 | 1 | Pending | | 7 | 2011-12-07 | 1 | Pending | | 8 | 2011-12-08 | 1 | Pending | | 9 | 2011-12-09 | 2 |

问题 Suppose a data frame df has three columns c1, c2, c3 . df=pd.DataFrame() df['c1']=[1,2,3,3,4] df['c2']=["a1","a2","a2","a2","a1"] df['c3']=[1,2,3,3,5] print df df1=df[df.duplicated()] print df1 df1 has only one row, which is c1 c2 c3 3 3 a2 3 but I want to have c1 c2 c3 2 3 a2 3 3 3 a2 3 How to get it? One more thing, if I try to use argument 'keep' as df1 = df[df.duplicated(keep=False)] , it gives me error Traceback (most recent call last): File "<ipython-input-572-188a22102b3e>", line 1, in