drogba123

Hi guys, I tried to get each line of the text file and convert it to SHA-1 formart then to binary but i could not get the output when i tried to do system.out.println the code: package hash; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.util.Formatter; import java.io.*; import java.security.DigestInputStream; import java.util.logging.Level; …

Hi guys, How can i read a specific line of the text file for example: user1 : johnson number of parts1 : 5 number of parts2 : 10 user2 : andy number of parts1 : 10 number of parts2 : 10 and i want to get the total number of …

Hi guys, I am doing a validation form (3 inputs: number of apple, orange and banana). for example i type: 'a' as input in the form that required only number (apple), it will prompt me error then i type the next input orange: 2 and it will accept it, however …

so for my code i have i'm trying to pass along the i variable in the for loop but when i pass it on it passes the highest i value. so when it should be one it passes along 10. i am curretnly passing along the cell6 id and splitting …

Hi guys, i wonder why i get this error could not find or load abc. Basically i am using command prompt to run the java file. The command is like this: java -cp weka.jar abc then i have that error show above.

Hi, Is there anyone know about window sliding protocol with selective repeat? currently i am doing an assignment based on this and i am a little bit confused how to implement the timers in term of the start timer and acknowledgement timer.

Hi, Anyone know what is the math for manhattan distance vs travelling distance? and which one is faster? thanks. Regards, Anthony

Hi, I know matrix 2d can be written like array[5][5] which saying 5x5 matrix but how do i make the row is like sequence of alphabets so its like array[a...z][5] while the column still numbers. Thanks.

Hi, how to do an access right Administrator can add users while the rest of the users can only view the data? Thanks.

Hi, i want to write an algorithm to list out possible paths in subway train maps from one station to another station (A to G). I am planning to use the breadth first search. Is it good? Thanks.

Hi, how to get the name of directory and subdirectory in a folder? example abc1/banana/(text files)? i have some codes buts its not given me the name [CODE] File dir = new File("abc1"); File[] folder = dir.listFiles(); [/CODE] i want to get the subfolder in abc1 called "banana". thanks for …

Hi, currently i created a lucene project and currently having a problem with the codes. Here are my codes (which i also refer to some useful websites explain lucene) [CODE] import org.apache.lucene.document.Document; import org.apache.lucene.document.Field; import org.apache.lucene.analysis.Analyzer; import org.apache.lucene.analysis.standard.StandardAnalyzer; import org.apache.lucene.search.IndexSearcher; import org.apache.lucene.search.Query; import org.apache.lucene.queryParser.ParseException; import org.apache.lucene.queryParser.QueryParser; import org.apache.lucene.search.Hits; import org.apache.lucene.index.*; …

Hi all, How do i store matching substring and string inside one single arraylist? example: [[er, every, errant]] which saying er substring is inside string every and errant.how should i make the comparison? basically what i did is only make 2 arraylist a1 = new ArrayList(); a2 = new ArrayList(); …

Hi, Currently i have an array list listing some bigram. and i would like to have the array list to be formatted like this [am] - [amazing, amber] and so on [bi] - [big, bigas] and so on how should i go about it?thanks for the suggestions. Thanks much

hi guys, i am trying to store a bigrams into a dictionary. but i am not sure what is the best way to do it?should i use hash table to store it?if yes, how to know whether the word for example am belong to amazing and maybe other words. thanks

Hi guys, i am trying to implement elevator simulation but stuck in some ways. 1st. i would like to set the background of my elevator class area into yellow but when i tried to do so by typing app.setBackground(COLOR.YELLOW) under class Elevator, i unable to change it. 2nd. i tried …