[hash] Forum Topics

Hey everybody, So I though that I understood linked lists and arrays well enough to make a hash table with separate chaining. Theoretically, it seems trivial, but I am getting a runtime error. The error appears to arise from the line head = heads[i], where head is a node pointer …

Hi I have a rather quick but very important question. I need to search a hash table for a value named element, whenever this value is found in the table, the search function should increase the counter for that element. My code is not working... any help is appreciated [code] …

Hey all, I'm implementing a hash table for a spell checker and need some assistance on vector const_iterator - at least I think that's where the problem lies. Can anyone assist in diagnosing how to fix these compiler errors? I initially got this error, which i think will come back …

Adding excel data into hash table: [CODE] Hashtable ExcelSheets = new Hashtable(); System.Data.DataTable dt1 = new System.Data.DataTable(); da.Fill(dt1); System.Data.DataRow dr; //System.Data.DataColumn dc; #endregion # region adding excel file into hash table if (dt1.Rows.Count > 0) { for (int c = 0; c < dt1.Rows.Count; c++) { // if (c > …

I want to add first two columns of excel file into hashtable.. I wrote following code but it is giving me eror saying indexing not allowed in datacolumn... [CODE] Hashtable ExcelSheets = new Hashtable(); System.Data.DataColumn dc; // adding excel file into hash table if (dt1.Columns.Count > 0) { for (int …

Hi This may seem pity stupid but I am somehow stuck in this: I have got a file containing years like this : 1913 1913 1917 1917 1917 1917 1917 1955 1955 now this is just a part of a file containing almost 50000 years. What I want to do …

Hi all, Basically I am attempting to determine whether the first 2 columns (tab delimited file) from file1.txt match the first 2 columns of file2.txt. If they do I want to output the entire row of file1.txt to outputfile.txt... I can do this using vbs but due to the amount …

[CODE] my %distAvail; foreach (map(split(/\D+/,$_),<STDIN>)) { $distAvail{$_ }++; };[/CODE] What does [COLOR="#ff0000"]$distAvail{$_ }++;[/COLOR] mean here? The input is set of distances separated by whitespace (or any non-digit character). The book says %distAvail keys are distances and whose values give the number of copies of the key. But I don't understand …

Hi All, I have two files to compare. Each has 10 columns with first 4 columns being key index together. The rest of the columns have monetary values. I want to read one file into hash; check for the key value availability in file 2; then compare the values in …

Hi, i need MD5 Hashes of all the virus can any one help me to finding them. Thanks

Hi folks, General question here... I'm writing a program which reads a ton of source data, crunches the numbers, and outputs a few nice summary reports. The source data is a lot of individual records: [B]00001,Item1,Item2,Item3,Item4,Item5,... 00002,Item1,Item2,Item3,Item4,Item5,... 00003,Item1,Item2,Item3,Item4,Item5,...[/B] Originally, I created an object called "Record," which stored each Item. But …

Hi there I have following XML document that i want to read in python code. i know how to read, thing is i want to make hash/list from this XML document. <?xml version="1.0" ?> ‐<TradeExt> ‐ <fxall category="buyer" version="2.0"> ‐<tradeHeader> <sourceId>test_sourceId1</sourceId> <pmsId>4521363.0.0</pmsId> <fundId>ACCT1@TESTCUST</fundId> </tradeHeader> ‐ <tradeStatus> <dealImmediately>F</dealImmediately> <blockImmediately>F</blockImmediately> </tradeStatus> ‐ …

[CODE] private Map<String , String> c = new HashMap<String , String>(); .... //regx to get mString c.put(mString.group() , mString.group()); ..... //regx to get mNumber c.put(mNumber.group() , mNumber.group()); ....... Set set = c.entrySet(); Iterator i = set.iterator(); while( i.hasNext() ) { Map.Entry me = (Map.Entry) i.next(); System.out.println(me.getKey() + " : " …

I don't know what in the world I'm doing wrong but I'm sick of staring at my screen and debugging over and over again. It's been a while since I've used C++ so I'm a bit rusty. I'm working on a database project that is supposed to implement a hash …

Hi everyone. We were given a homework to code a hash table. The objects and their members were given by our professor and we were only supposed to implement the functions (Add, Remove, Contains and Print), so I shouldn't change the objects. I should also do a copy constructor and …

Hi! I try to create HashSet of the next object: [CODE] import java.nio.file.Path; public class WatchedPath { public Path dir; public boolean recursive; public Filter filter; // Ctor with only Path - for comparing between the object (comparing is only by the path!) public WatchedPath(Path dir) { this.dir = dir; …

Hi, I have strings like this: [code] $string="OWN - NLM STAT- Publisher DA - 20091005 AU - Gannon AM AU - Turner EC AU - Reid HM AU - Kinsella BT AU- XYZ AD - UCD School of Biomolecular and Biomedical Sciences"; [/code] I want to parse these tags and …

I need help in understanding how input file in C++ works. Here is what i need to do. I need to be able to open a input file called input.txt. That file will contain 15 numbers in a list format. 6 .34 74 34 12 31 23 . . . …

Hi, I'm looking to write a server/client system and I want to pass a hashtable between the two. I've found lots of tutorials on making a "Chat" system which passes strings, but how can I increase this to hashtables? Thanks. Andrew.