35,619 Topics
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| | <!DOCTYPE html> <html> <body> <script type="text/javascript"> var images = ["strawberry.jpg", "apple.jpg", "cherry.jpg", "orange.jpg", "pear.jpg"]; var length = images.length; var randImg1 = Math.round(Math.random() * (length - 1)); document.write('<img src="' + images[randImg1] + '" >'); var randImg2 = Math.round(Math.random() * (length - 1)); document.write('<img src="' + images[randImg2] + '" >'); var randImg3 …  |
| | The followign is my XML <?xml version="1.0"?> <catalog> <book id="bk101"> <author>Gambardella, Matthew</author> <title>XML Developer's Guide</title> <genre>Computer</genre> <price>44.95</price> <publish_date>2000-10-01</publish_date> <description>An in-depth look at creating applications with XML.</description> <add>yes</add> </book> <book id="bk102"> <author>Ralls, Kim</author> <title>Midnight Rain</title> <genre>Fantasy</genre> <price>5.95</price> <publish_date>2000-12-16</publish_date> <description>A former architect battles corporate zombies, an evil sorceress, and her own childhood … |
 | I want to develop a simple java application which will take the java code input in a text area and find if there are memory leaks in it or not? Do i have to make a compiler construction code over it? or it can be done simply? Can someone guide …  |
| | Hi all, How can I compare between 2 strings , contain some words are same in each other and extracting the same word only ,,these 2 strings not contain spaces. For example: String1="catdogfish"; String2="dogfishmonky"; So, the result I want to get from compare them is "dogfish". Is there any way … |
| | My program was working fine until i introduced the if statement, without this "if" there are (java.lang.NullPointerException) errors . What shall i do? Thank you in advance . Here is the necessary part of code for you: Connection c ; Statement stmt =null ; if (c != null) { try … |
| | Hi, I needed some help with fixing my code. So basically what I am trying to implement is the following: I have 2 radio button (hours and minutes) and under each is a JTextField for each radio button. On the right side there is 2 buttons (+ and -) that … |
| | Hi team, In hibernate one to many relation ship am updating parent setting with child data when am doing session.update(parent) (parent have set with child data) then am committing the its throwing exception saying that Caused by: java.sql.SQLException: ORA-01407: cannot update ("TPIA"."TPIA_TRANSACTION_DATA"."TRX_ID") to NULL.so please help will get appriciate. |
| | I was wondering how you would make a grid in a javascript canvas, a 10 pixel by 10 pixel grid for a game I am making thank you for your response.  |
| | Hello, so here is the program that I am trying to create: write a program to read a collection of exam scores, ranging in value from 0 to 100, until a sentinel of -1 should display the numer of outstanding scores (90-100), the number of satisfactory scores (60-89), and the … |
| | Guys I recently discovered that char array can also be printed in java without for loop and the output is a string.But when i tried the same for int array, I got some gibberish value which i though to be memory address pointed by array as it contains reference to … |
| | I am doing a simple program to calculate the first 15 fibonacci numbers and also placing an asterisk next to even numbers. My output should look like this: 1 1 2* 3 5 8* 13 21* 34* 55 89 144* 233 377 610* I can calculate the numbers easily enough … |
| | I am having trouble implementing a solution using a binary search tree that returns the key of the node based on it's rank in O(N) worst case running time. Every idea i have (listed below) results in O(N^2) or sends me to a dead end. This almost seems impossible. i … |
| | i have created a recursive method that returns the size of a binary search tree, i would like to analyze the running time of my implementation but i dont know how. I know the best case is O(1) if node is null but what about worst case? my researches online … |
| | Hi i have a shell script named script .sh that create maven project having parent pom and multiple modules under it as follows: #!/bin/bash mvn archetype:generate -DgroupId="com.low.co" -DartifactId="tool-release" -DarchetypeGroupId=org.codehaus.mojo.archetypes -DarchetypeArtifactId=pom-root -DarchetypeVersion=RELEASE cd yeti-release mvn archetype:generate -DgroupId="com.low.cp" -DartifactId="tool-api" -DarchetypeGroupId=org.apache.maven.archetypes -DarchetypeArtifactId=maven-archetype-quickstart -DarchetypeVersion=RELEASE mvn archetype:generate -DgroupId="com.low.cp" -DartifactId="tool-impl" -DarchetypeGroupId=org.apache.maven.archetypes -DarchetypeArtifactId=maven-archetype-quickstart -DarchetypeVersion=RELEASE mvn archetype:generate -DgroupId="com.low.cp" … |
| | I am new to coding and im having trouble with arrays in javascript. I want to be able to compare stuff inside an array but only if the three values match up to one of the sets of three values in the array var array = [[1,2,3][4,5,6][3,6,7]] if(array.indexOf([1,2,3]) === 1){ …  |
 | Hi all, Actually, this question is not related to some coding or logic from my project. But, as I am doing hard and harder projects (acc. to me & my exp.), I am focussing more on design part of my projects. When I present my design to team members for … |
| | Hi guys, I am a computer science major and I have been asked to complete a task for someone working in the school of public health at my university. Basically I have to go to this website: ///////////////////////////////////////////////////////////////////////////// [Click Here](https://www.healthcare.gov/find-premium-estimates/#results/&aud=indv&type=med&state=PA&county=Allegheny&age0=35&employerCoverage=no&householdSize=1&income=100000) ///////////////////////////////////////////////////////////////////////////// and gather all the information which displays after the … |
| | you must to clear the history (inside the netbeans), and restart the project, |
 | Hi Experts, I want to export html table to .csv file, my code is working but i want to export it with border or background color on its header. how will i do that? Please help me. Thanks in advance. :) Here's my code: HTML Table: <div id="feedback_div" style="display: none;"> … |
| | see why is is not working its not taking combo name why |
| | Hi. Im trying this java program that's suppose to register the "staff"'s "car" and there's this boolean method that I don't know how to solve. There are 3 classes: Tester, Staff and Car. the boolean part is suppose to check if the staff has 1 or 2 cars registered and … |
| | Hi. I have these exercises to do, to write the output of some coding given. I can compile it in eclipse but doesn't mean i understand. can someone please explain this code to me. thank you. int[] arrayA = new int[3]; //this part i know, create array size 3 int[] … |
| | when i save my object in hibernate session.save(obj) getting this exception. (SqlExceptionHelper.java:127) SQL Error: 1747, SQLState: 42000 (SqlExceptionHelper.java:129) ORA-01747: invalid user.table.column, table.column, or column specification (AbstractBatchImpl.java:193) HHH000010: On release of batch it still contained JDBC statements (SessionImpl.java:2994) HHH000346: Error during managed flush [could not execute statement]  |
| | Hi there, I have a class definition like : class Student{ String name; int sub1; int sub2; int sub3; //... } I have list of all students. I want to get count, average, min, max etc using IntSummaryStatistics. Below is the code for sub1: IntSummaryStatistics sub1Summary = students.stream().collect(Collectors.summarizingInt(s -> s.sub1)); … |
| | how to interact in multiple modules, can anyone suggest any link or tutorial  |
| | Another common statistical measure is the standard deviation, which provides an indication of how the indivdual values in the distribution differ from the mean. to calculate the standard dev. whose element are x1, x2.....xn you need to perform the ff steps a. calculate the mean of the distribution b. go … |
| | Hello, I have no experience experience with Java programming and I spend more time lost than anything. I have made an attempt at my week's assignment but I am stuck. Here is the run down of my assignment for that week **"Write a Java application using an Integrated Development Environment … |
| | hey ,i am new to the site as java bluej , i have drawn a flag using bluej using many objects like circle and rectangle ... i wanna combine the objects into one to move it together , what should i do ? the code source: /** * This class … |
 | Hi guys, I wonder if you can help me at all. As some of you will know I do a bit of java development here and there but unfortunately I don't really have any programming background, like, I haven't studied computer science - I just learned (well, that's an overstatement) … |
| | Hey guys, I want to ask which captcha service is a better? im using right now DBC, but it is not so good, can someone recommend better service for recaptchas 4x4? Thanks  |
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