I am trying to parse a date-time string that does not contain minutes 2019-10-12T07Z. When I run the above code, it throws the following exception stack trace Expected output Any idea what I should do? Answer You have to create custom DateTimeFormatter representing the time and offset. See that code run at Id…
Tag: java
Retrieve all queue data in for loop
I have the following code which works fine but I am struggling to figure out how to retrieve the last value in the queue. Here is the output: Answer Since you’re incrementing x and decreasing the size of the queue, x will eventually become bigger than the remaining queue size before the queue is empty. …
elastic search – Java api client range query
I am migrating a java application from elastic search high level client to java api client. There is a range query like this in the code. QueryBuilders.rangeQuery(“startDate”).lte(dateUtils.today()) Need to change this to java api client code. Could someone help on this? Answer https://www.elastic…
Program is having issues with inputting arrays
The output for the following code is: Please enter your words: hello, keshav, bob, doan kehsavbob Exception in thread “main” java.lang.NumberFormatException: For input string: “kehsavbob” at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:67) at java…
Avoid platform specific dependencies in SBT packageBin
In a Java11 project (actually Java Play-Framework) I depend directly on org.deeplearning4j:deeplearning4j-nlp:1.0.0-M2 in my build.sbt running SBT 1.5.5. That dependency transitively depends on several other libraries (like e.g. org.bytedeco:ffmpeg:5.0-1.5.7) that exists as platform dependent libraries and se…
No table found for new bigquery table
I want to create a table then write to bigquery using a cloud function, but I dont want to duplicate the data in the tables so I deleted the table first then create the table each time I call the function. So the error is when I deleted the table first the insertAll cannot find the table when it is
How to handle the Usb Permission Dialog Event on android when using the “device filter” solution?
I’m trying to handle the event when a user presses “ok” or “cancel” on the automatic permission dialog presented when I connect a “known” USB device to the android phone. I’m using the android.usb.host library and can send and receive between the android phone a…
How to create an endpoint which takes a path, load the image and serve it to the client
I want to serve an image to a client by converting it to a byte but for some reason byteArrayOutputStream.toByteArray() is empty. I get a response status of 200 which means it is served. I looked at various documentations on reading an image file from a directory using BufferedImage and then converting Buffer…
App crashes when I press “continue” button (transitioning between activities)
I am creating an app where you log in and then access a database of files unique to each user account. I have a continue button linking the “LoginActivity” and “MainActivity” activities together. The code that I have in the LoginActivity file is this: and on the MainActivity side I hav…
Mapping List to DynamoDB
I’m trying to map to DynamoDB list of dates in Java I have written my own converter but it works only for LocalDateTime but not for the List. Does anyone know how to do it correctly? Should I write separate converter that will return list of strings where each string will be converted from localdatetime…