The code should do a reverse and output the result to out.txt, but this does not happen, can you explain my mistake in the code. Thanks in advance Answer You are trying to reverse the string twice because of that the string is getting back to the original string. Also, there is an unnecessary (as per my under…
Tag: java
Netty: TCP file transfer doesn’t work correctly
I am working on my online file storage and today I have encountered some issues with my Netty TCP file tranfer. So the problem is that only 8192 bytes of data is actually written in the file on the client-side. I want to know what the problem is, and how I can fix it. I have seen ALL of the
Error while querying tables using hibernate
I am trying to query a table called student in MySQL. This is the structure: Here is the java code which I use to query: This is the error message: Here is the image of the referenced libraries: Insertion into table is working correctly. Only querying isn’t. What is the error here? Please comment if ext…
S3 bucket given name versus physical name Cloudformation
I created a bucket with name “my-bucket”, cloudformation creates it as “StackName-my-bucket-{random text}”. I want to read from this bucket in the java code, what would be the right way to access provided I cannot touch anything in cloudformation. Answer Assuming you cannot modify the …
How to move all records from one location to another in Firestore Database (Android Studio)
How to move all Firebase database records (not a specific record with an id) from a specific location to another. Code for moving certain records: Database structure: , Answer Method: Move data from Firestore Database (not Realtime Database) to new collection in Android Studio
Concatenating a string to a JOLT value output
I using JOLT to transform and extract a URL of an object, but it’s only the URL slug. Is it possible to concatenate a static string to that slug to have a full URL? The current output is: And the expected output is: The JOLT Spec is: The JSON input is: Any option to add the static URL link to
How can I get Java to read all text in file?
I am trying to get Java to read text from a file so that I can convert the text into a series of ascii values, but currently it only seems to be reading and retrieving the first line of the txt file. I know this because the output is much shorter than the text in the file. The text in
Firebase Verify Badge [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 2 m…
I got the following error while pulling data from android studio Firebase
I could not understand the problem. It gave such an error when trying to pull the information from the Realtime Database or code.firebasteki to the screen, what is the problem? Book MainActivity RecyclerView_Config FirebaseDatabaseHelper firebase E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.ph…
java.lang.ExceptionInInitializerError with AppiumFieldDecorator – JAVA, Cucumber, Appium
Hey all! I’m trying to set up an automation project using Cucumber & Appium for Mobile apps (iOS and Android both). I plan to write the project in JAVA and I use Gradle for implementing the desired dependencies. So I wrote a small project and for some reason it keeps failing with the following error…