If I have 2 Paths for files, both share the same FileStore, how can I verify with Java 17 whether they are pointing to the same file on disk (are hard-linked)? For Unix-like systems there seems at least to be a way to verify whether a file has other hardlinks (get Hard Link Count in Java), but on Windows/NTFS…
Tag: java
Radix sort with counting sort incorrectly sorts letters converted to binary
I’m having trouble understanding why my code for radix sort with counting sort doesn’t correctly sort the input when I convert it to binary. I’m basically using the same code for letters represented as decimal and they work just fine but here it isn’t even close. Below is the code that…
How to assert returning object in Java Springbok Unit
I want to assert the object which is returned from the method that I am testing in Junit using Assertions.AssertEquals but its giving test case failure even though two objects are same. Expected :Customer{Id=1, Name=’ABC’, Price=350, Type=’ABC’} Actual :Customer{Id=1, Name=’ABC&#…
Linear and binary search, printing out the results
The goal of this project is to create a class search. I will need methods of binary search and linear search. For each method you are going to ask the user for a key, then search for this key in an array of numbers (you can assume the numbers in the array). If you found the key return its location,
Conditional formatting highlight only invalid cells
I am creating below conditional formatting rule in Apache POI. Issue Expected: The formula should highlight only invalid values in column ‘J’. Actual: But all values of the entire column ‘J’ get highlighted, even for valid values. Formula Full Code Required manual post-production in Ex…
CSV parsing with univocity-parsers and backslash-escaped quotes
I’m having some trouble parsing CSV with backslash escaped qoutes “. Most of lines in source CSV don’t include escaped quotes but where there are I can’t seem to find appropriate settings for correct parsing. CSV example (each line with 4 columns): CSV parser settings: Code snippet: Li…
GeoIP2 Snowflake Java UDF Integration issue
I want to create a Java UDF in a snowflake worksheet in order to query GeoIp2 library and get the ISO code of a given IP. I have ‘@AWS_CSV_STAGE/lib/geoip2-2.8.0.jar’,’@AWS_CSV_STAGE/geodata/GeoLite2-City.mmdb’ already staged. How can i direct the function handler to the method that cr…
How to extract all text’s link and other properties form html?
Note, if it is single element I can extract but I need to extract all of them together. Hi I am trying to extract the text and link from a list of items from a page using Selenium and Java. I am able to extract all link text but facing issue to figure out the link text. The html code
Unable to add value to a java generic list
Here’s my sample code: I think I should be able to add integer to items, but compilation fails: Anyone knows what’s wrong here? Answer Let us consider a more complete version of your example: Suppose for the sake of argument that the compiler says that is OK. And now we will create an instance and…
The package com.fasterxml.jackson.databind is not accessible Java (268436910)
I have recently explored handling JSON data with the org.json library and all went well. Now I started a bigger Maven project, for which I intend to use the Jackson libraries in stead. Sadly, it does not seem to work for me. I wanted to try out the ObjectMapper class, that VScode autocompleted for me, which a…