This is the website I’m trying to scrape from. I’m able to login to the website fairly easily. However, I’m unable to retrieve and reuse the cookies or session ID to scrape a page other than the one the login page redirects to. I receive a 403 everytime. Here is an example of what I’ve…
Tag: java
“NZEC” error in Java code during online submission
When I run the following code (in system compiler) it works well, but when I submitted it to the site, all test cases throw nzec runtime error. Unfortunately the site does not share test cases but they can be created using the question. Can any one please explain why there is a nzec error? I have used java so…
Fast and asynchronous way of making multiple http requests in JAVA
I have a program that should make really fast http requests. Requests should be made asynchronously so that it won’t block the main thread. So I have created a queue which is observed by 10 separate threads that make http requests. If something is inserted in the queue then the first thread that gets th…
Space Error in Intelliji IDE – Intellij.ide.SystemHealthMonitor – Low disk space on a IntelliJ IDEA system directory partition [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 7 years ago. Improve this question Due to low running memory – Intelliji is consistently throwing a pop up error “l…
What is an acceptable way to format a long method call in Java? [closed]
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 2 years ago. Improve this question Is it good style to write: (which is obviously far to long for one li…
No suitable driver found for Oracle Database connection
I have small Java Application, which execute every day and checks for data in database using Cronj Schedular and everything works fine, but recently I have observed that, it is failing due to At the same time, when I run my test code to check Database connectivity that works fine without above exception. I…
Declaring initial capaity for a list in java is a bad technique?
I have multiple ArrayLists with the same capacity. I fill these lists by reading a file. I know that one difference between an Array and an ArrayList is that the Array have a fixed capacity while the ArrayList have a variable capacity. You should explicitly specify the array length when you declare it, but th…
Mockito: How do I verify that the array passed to my method contains the right object?
I’m using Mockito 1.9.5. I want to verify that my method (which takes an array as a param) was called in which the array contains exactly one specific object. I’m having trouble figuring out how to do this. I have Unsurprisingly, the second line fails because although the argument, “acct” is the same as what …
NoClassDefFoundError: UnsupportedFileFormatException while using apache poi to write to an excel file
I am trying to write to an excel(.xlsx) file using Apache poi, I included the apache poi dependencies in my pom.xml file. But I am getting the following exception in execution. The code and pom.xml is specified as follows. I am getting the exception in the following line. Code: Pom: Answer I think You’r…
Nested Boolean Expression Parser using ANTLR
I’m trying to parse a Nested Boolean Expression and get the individual conditions within the expression separately. For e.g., if the input string is: (A = a OR B = b OR C = c AND ((D = d AND E = e) OR (F = f AND G = g))) I would like to get the conditions with the