duplicates

Remove Duplicate Lines from Text using Java

旧街凉风 提交于 2019-12-04 11:08:58
I was wondering if anyone has logic in java that removes duplicate lines while maintaining the lines order. I would prefer no regex solution. Emil public class UniqueLineReader extends BufferedReader { Set<String> lines = new HashSet<String>(); public UniqueLineReader(Reader arg0) { super(arg0); } @Override public String readLine() throws IOException { String uniqueLine; if (lines.add(uniqueLine = super.readLine())) return uniqueLine; return ""; } //for testing.. public static void main(String args[]) { try { // Open the file that is the first // command line parameter FileInputStream fstream

average between duplicated rows in R

最后都变了- 提交于 2019-12-04 10:48:57
问题 I have a data frame df with rows that are duplicates for the names column but not for the values column: name value etc1 etc2 A 9 1 X A 10 1 X A 11 1 X B 2 1 Y C 40 1 Y C 50 1 Y I need to aggregate the duplicate names into one row, while calculating the mean over the values column. The expected output is as follows: name value etc1 etc2 A 10 1 X B 2 1 Y C 45 1 Y I have tried to use df[duplicated(df$name),] but of course this does not give me the mean over the duplicates. I would like to use

Creating Multidimensional Nested Array from MySQL Result with Duplicate Values (PHP)

≡放荡痞女 提交于 2019-12-04 10:21:26
I currently am pulling menu data out of our database using the PDO fetchAll() function. Doing so puts each row of the query results into an array in the following structure: Array ( [0] => Array ( [MenuId] => mmnlinlm08l6r7e8ju53n1f58 [MenuName] => Main Menu [SectionId] => eq44ip4y7qqexzqd7kjsdwh5p [SubmenuName] => Salads & Appetizers [ItemName] => Tomato Salad [Description] => Cucumbers, peppers, scallions and cured tuna [Price] => $7.00) [1] => Array ( [MenuId] => mmnlinlm08l6r7e8ju53n1f58 [MenuName] => Main Menu [SectionId] => xlkadsj92laada9082lkas [SubmenuName] => Entrees [ItemName] =>

Best way to detect duplicate uploaded files in a Java Environment?

五迷三道 提交于 2019-12-04 10:05:51
问题 As part of a Java based web app, I'm going to be accepting uploaded .xls & .csv (and possibly other types of) files. Each file will be uniquely renamed with a combination of parameters and a timestamp. I'd like to be able to identify any duplicate files. By duplicate I mean, the exact same file regardless of the name. Ideally, I'd like to be able to detect the duplicates as quickly as possible after the upload, so that the server could include this info in the response. (If the processing

How to remove duplicated records\observations WITHOUT sorting in SAS?

最后都变了- 提交于 2019-12-04 09:37:38
问题 I wonder if there is a way to unduplicate records WITHOUT sorting?Sometimes, I want to keep original order and just want to remove duplicated records. Is it possible? BTW, below are what I know regarding unduplicating records, which does sorting in the end.. 1. proc sql; create table yourdata_nodupe as select distinct * From abc; quit; 2. proc sort data=YOURDATA nodupkey; by var1 var2 var3 var4 var5; run; 回答1: You could use a hash object to keep track of which values have been seen as you

Drop duplicates of one column based on value in another column, Python, Pandas

被刻印的时光 ゝ 提交于 2019-12-04 08:12:34
I have a dataframe like this: Date PlumeO Distance 2014-08-13 13:48:00 754.447905 5.844577 2014-08-13 13:48:00 754.447905 6.888653 2014-08-13 13:48:00 754.447905 6.938860 2014-08-13 13:48:00 754.447905 6.977284 2014-08-13 13:48:00 754.447905 6.946430 2014-08-13 13:48:00 754.447905 6.345506 2014-08-13 13:48:00 754.447905 6.133567 2014-08-13 13:48:00 754.447905 5.846046 2014-08-13 16:59:00 754.447905 6.345506 2014-08-13 16:59:00 754.447905 6.694847 2014-08-13 16:59:00 754.447905 5.846046 2014-08-13 16:59:00 754.447905 6.977284 2014-08-13 16:59:00 754.447905 6.938860 2014-08-13 16:59:00 754

Duplicate Symbol XCode duplicate library for same library?

本小妞迷上赌 提交于 2019-12-04 07:28:45
Do you have any idea? Why XCode compilation give this result? ld: duplicate symbol _kJSONDeserializerErrorDomain in /Users/Shared/_BUILDS_/Debug-iphoneos/libLACDLibrary.a(CJSONDeserializer.o) and /Users/Shared/_BUILDS_/Debug-iphoneos/libLACDLibrary.a(CJSONDeserializer.o) Hey, you probably have a duplicate reference in XCode to CJSONDeserializer, so it's compiled and linked twice. I have exactly the same problem. And it only complains for arm6 build (not arm7 build). I found a workaround: remove "-all_load" in Other linker flag under Build<-Get Info<-Target. I am not sure whether it is a

Kafka & Flink duplicate messages on restart

馋奶兔 提交于 2019-12-04 07:20:13
First of all, this is very similar to Kafka consuming the latest message again when I rerun the Flink consumer , but it's not the same. The answer to that question does NOT appear to solve my problem. If I missed something in that answer, then please rephrase the answer, as I clearly missed something. The problem is the exact same, though -- Flink (the kafka connector) re-runs the last 3-9 messages it saw before it was shut down. My Versions Flink 1.1.2 Kafka 0.9.0.1 Scala 2.11.7 Java 1.8.0_91 My Code import java.util.Properties import org.apache.flink.streaming.api.windowing.time.Time import

Duplicate text-finding

时间秒杀一切 提交于 2019-12-04 07:14:00
My main problem is trying to find a suitable solution to automatically turning this, for example: d+c+d+f+d+c+d+f+d+c+d+f+d+c+d+f+ into this: [d+c+d+f+]4 i.e. Finding duplicates next to each other, then making a shorter "loop" out of these duplicates. So far I have found no suitable solution to this, and I look forward to a response. P.S. To avoid confusion, the aforementioned sample is not the only thing that needs "looping", it differs from file to file. Oh, and this is intended for a C++ or C# program, either is fine, though I'm open to any other suggestions as well. Also, the main idea is

Remove identical, consecutive lines in a char array in C

拥有回忆 提交于 2019-12-04 07:02:12
问题 I'm trying to create a function that will detect if there are consecutive lines in a char array that are identical. For example, if a char array contained: Hi Hello Hello Hello Hello then the array would be changed to Hi Hello Essentially, I want to detect the consecutive, identical lines, and delete them so only one of the lines remains. If one line is identical to a earlier line, but they are not consecutive, then it's fine. Really, the whole line doesn't have to be identical, but at least