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How to use classes from one project on another project in java?
Does that help To use a class of another project you can: import the jar containing the class using a maven dependency import the jar containing the class using a gradle dependency import the jar containing the class adding it in the classpath manual
TAG :java
Date : October 22 2020, 08:10 AM , By : Srinivasan Ab
How to parse a column that has a custom json format from a spark DataFrame
hop of those help? I don't see any simple way to parse this input easily. You need to break the string and construct the json using a udf. Check this out:
TAG :java
Date : October 22 2020, 08:10 AM , By : VBPatient
How to parse entire DOM elements and follow changes in DOM using selenium webdriver in java
I wish this help you You would need to write the HTML to a text file in a specific location. When a test runs, it would check that location for the expected filename. If it doesn't exist, it's the first time the test was run and it would save the HTM
TAG :java
Date : October 22 2020, 08:10 AM , By : Malgorzata Czarnecka
java set object field equal another field upon instantation
wish help you to fix your issue Generally, Java-JSON mapping libraries invoke the no arg constructor to unserialize a JSON object into a Java Object.According to the libraries you use you could use a way to set the fields from the arg constructor.
TAG :java
Date : October 22 2020, 08:10 AM , By : user2173012
Java Threads Object Lock
will be helpful for those in need There will be two locks, subject1.o and subject2.o ..., which means both methods will run independently and at the same time.
TAG :java
Date : October 22 2020, 08:10 AM , By : user2172946
Euro Currency getting Question mark?
will help you You should use UTF-8 encoding to avoid this problem.Check this answer to know how to do it.
TAG :java
Date : October 22 2020, 08:10 AM , By : Rai Sonu
Running out of pools using CompleteableFuture and Spring Transaction
wish helps you If you want to have each loadPartition run on it's own thread and in it's own transaction, you'll need to: Mark loadPartition as @Transactional Invoke the proxied loadPartition method so that the @Transactional works. You can do this e
TAG :java
Date : October 22 2020, 08:10 AM , By : Jamey Diepbrink
Drools can not use a generic type for a function's parameter in DRL
around this issue Seems like you need to not mention what your ArrayList uses in the parameters. The following example works fine for me (it's an ArrayList of a custom Object) :
TAG :java
Date : October 22 2020, 08:10 AM , By : user2172902
Create a new ArrayList with all the elements of another ArrayList except one in one line of code
this will help I would love to do this in one line: , The simplest way is to use subList:
TAG :java
Date : October 21 2020, 08:10 PM , By : coplo
log4j could not create log file in spring boot resti api
I hope this helps you . If you have the following dependency in your pom.xml then spring-boot will use its own default logging (logback) which is embedded within this dependency (you can check in your IDE on dependency hierarchy tab):
TAG :java
Date : October 21 2020, 08:10 PM , By : Sidik Ma'ruf Ali
Android BLE discovery issue
To fix this issue I solved my problem by following the suggestions in this link: https://stackoverflow.com/a/42267678/7006955I add to my code all the code suggested and it works fine also in Android 4
TAG :java
Date : October 21 2020, 08:10 PM , By : balk
Adding Java final keyword to working method that builds instances inside a loop
Hope this helps To expand on my comment, you could convert your example code more or less mechanically, like so:
TAG :java
Date : October 21 2020, 08:10 PM , By : Irma Pees
Using Java Streams to group together a List of objects by an attribute and reduce them to a new list of object with the
I wish did fix the issue. it seems as if you want a List as a result where each group after the groupingBy is reduced into a single SensorSample.
TAG :java
Date : October 21 2020, 08:10 PM , By : MNClb
Java - Sort - Variable comparator
hop of those help? If all "keys" will be linked to getter methods, you can have a static mapping of key/getter that you use in a function:Note: we'll have to use raw type Comparable as we can't use different Functions (even if all getters will return
TAG :java
Date : October 21 2020, 08:10 PM , By : user2173106
Parse xml file, rename tag and save it again
Any of those help I have a pretty big xml file and need to change some of it, this is a snippet of how it looks , Use this in your stylesheet file:
TAG :java
Date : October 21 2020, 08:10 PM , By : sudheendra Hebbar
My pig dice game in JAVA won't save each player's score and the game doesn't stop even after reaching the score
With these it helps There is a logical flaw in your program. You are calling your roll function with a score = 0 as your parameter.
TAG :java
Date : October 21 2020, 08:10 PM , By : Mazaloo
is unsafe to copy a three-dimensional array using Arraylist?
will be helpful for those in need Both val and val2 point to the same object in memory even after you've cloned the first list into the second.You can prove this with:
TAG :java
Date : October 21 2020, 08:10 PM , By : user2173038
Whitelabel Error Page instead of specific jsp page
This might help you I have seen several Questions about this problem and I haven't solved this problem yet: , You have need to add following dependency into your pom
TAG :java
Date : October 21 2020, 08:10 AM , By : user2173391
Java. Remove a row from a matrix (array)
Any of those help Okay so I wrote this code with my friend's help to "remove the row" of a matrix, but I don't really understand whats going on with the "for" , can someone explain to me why it's done that way? , Picture the Array:
TAG :java
Date : October 21 2020, 08:10 AM , By : Visakh
Trying to use listFiles() function, but array of files is empty, Java, Andriod Studio
hop of those help? You should always place your media files inside raw or assets dir of android.I will be giving an example of assets Create a folder called asset in your app level directory and place this code
TAG :java
Date : October 21 2020, 08:10 AM , By : user2173371
Continue sleeping for remaining time when thread is interrupted
I think the issue was by ths following , If I understood correctly you want to handle the InterruptedException in such way to unsure a delay before executing sendRequest. Well, since the InterruptedException happens when something calls interrupt() o
TAG :java
Date : October 21 2020, 08:10 AM , By : Rob
Android Studio SQLite database creation does not work?
should help you out Maybe while you were making changes to various names, you forgot this:
TAG :java
Date : October 21 2020, 08:10 AM , By : user2173277
Exporting a lazily initialized bean (which implements SelfNaming and is annotated with ManagedResource annotation) gives
it helps some times It's possibly a bug; injectNotificationPublisherIfNecessary only takes any action if your class also implements NotificationPublisherAware.This would be invalid since we don't have an objectName, yet, because the bean is lazy and
TAG :java
Date : October 21 2020, 08:10 AM , By : R K
Java Regex OR operator not working properly
it helps some times I have this Strings : , You may use
TAG :java
Date : October 21 2020, 08:10 AM , By : João Paulo Costa Lou
"Invalid classification data: expect label value"
I wish this help you problem solved: Change the third parameter of RecordReaderDataSetIterator inDataSetIterator testIter = new RecordReaderDataSetIterator(rrTest, batchSize,0, 2); from 0 to 2; because the data set has three columns and the index of
TAG :java
Date : October 21 2020, 08:10 AM , By : developer_expert
Intent .putExtra return null with PendingIntent
Does that help You are adding the "extra" to the Intent that you pass to AlarmManager. This "extra" will be in the Intent that gets delivered to your BroadcastReceiver in onReceive(), but you don't do anything with it there. When you click on the Not
TAG :java
Date : October 20 2020, 08:10 PM , By : AnjunaTom
Draw shapes on scrollable JPanel
This might help you Your image-drawing JPanel must be the same JPanel that draws the rectangle and that has the MouseAdapter added to it. For instance:
TAG :java
Date : October 20 2020, 08:10 PM , By : user2173541
Can't connect to redis from spring inside docker container
this one helps. Well, I finally got them talking by running redis in its own containerI launched a redis container like so:
TAG :java
Date : October 20 2020, 08:10 PM , By : Derek
Display base64-encoded image
it helps some times When a JTextPane sees an tag, it will check if the image exists in a cache, and if not, it will try to read the image from the url. The html library used by JTextPane does not support base64 encoded image data in the tag, so we wi
TAG :java
Date : October 20 2020, 08:10 PM , By : Satyajit
Android cardview, change background color with switch listener
I think the issue was by ths following , I have a cardview with a switch inside. When the switch is on, I want to change the background color of the card to green, when is off(by default it is) instead is red. I also need to save the switch state loc
TAG :java
Date : October 20 2020, 08:10 PM , By : The Haff
Multiple classpaths when running Ant taskdef?
seems to work fine So, I messed around in A.jar and learned that getClass().getClassLoader() and Thread.currentThread().getContextClassLoader() return different things. The getClass().getClassLoader() contains the ANT classpath that I set in the ANT
TAG :java
Date : October 20 2020, 08:10 PM , By : Ahmed.Mamdouh
Disabling sound on Android's Ongoing notification updating
I wish did fix the issue. I have an Ongoing notification that shows Date and updates every minute inside a service. But in android 8 it plays sound in every update and users confused whats happening. , In your notification channel try to set the soun
TAG :java
Date : October 20 2020, 08:10 PM , By : Poun
ChartPanel not registering as a component in a GUI
it fixes the issue As shown in the source for org.jfree.chart.ChartPanel, a ChartPanel is a JPanel, but it contains no nested instances of Component. A handful of Swing components are imported to handle a context menu, tooltips, etc., but the enclose
TAG :java
Date : October 20 2020, 08:10 PM , By : user2173433
Spring @Configuration not overriden in test context
seems to work fine I managed to do make this work using @Profile and @ActiveProfiles. But i had to extract my static inner @Configuration class to another java file and then it automagically started to work. Still haven't found why it worked in earli
TAG :java
Date : October 20 2020, 08:10 PM , By : user2173432
How can i solve duplication of code in this?
wish help you to fix your issue Supposing that Ingredient is the base class of these different classes and that this class defines the isVegan() method, you could create a Stream from all these objects and computing whether all are vegan :
TAG :java
Date : October 20 2020, 08:10 AM , By : user2173732
Method undefined for object in java cannot be compiled and deployed
seems to work fine Either you have to define the response() method inside your Application class file, or you need to define them in your Controller class which your Application class inherits. You are getting that error because it cannot find any de
TAG :java
Date : October 20 2020, 08:10 AM , By : user2173726
Peek at a value from an array with a probabilistic quantity
will help you The alias method is an algorithm for the general problem of taking a set of probabilities for a number of possible values and precomputing some tables to be able to select an element with the specified probability distribution in O(1),
TAG :java
Date : October 20 2020, 08:10 AM , By : user2173690
java - how to limit operation(e.g login) by cowndown timer
help you fix your problem i need some help in my login GUI form (created with javax.swing), basically i want to (kind of block) a user from login at 10 failure attempt for amount of time, it starts with 5 seconds, every thing fine first time, but whe
TAG :java
Date : October 20 2020, 08:10 AM , By : user2173625
How can I search informations from file with names using input (java)?
To fix this issue Take a look on your code, in the last cycle you have condition if-else and this condition will finish the cycle if first candidate name not equals (else executed, and you have break inside it) or this condition will finish the cycle
TAG :java
Date : October 20 2020, 08:10 AM , By : Dan Offord
'Gradle cucumber' With testImplementation Not Working
this one helps. See here which says that testRuntime is deprecated
TAG :java
Date : October 19 2020, 08:10 PM , By : user2173916
Log4j2/Slf4j and Java 11
I think the issue was by ths following , According to the Log4j documentation:
TAG :java
Date : October 19 2020, 08:10 PM , By : Martin Stewart
Subclasses with Java 8 lambdas and Optional
it helps some times The type emitted from map() is inferred as JSendFailResponse, but you’re offering a different type in orElse() and both types must agree.Explicitly type to call to map() with a common type:
TAG :java
Date : October 19 2020, 08:10 PM , By : mat72
Optaplanner - Drools rules List<> memberOf List<>?
hop of those help? I never use the drools construct not memberOf in OptaPlanner cases. Maybe because of habit, maybe because it slow or brittle).FWIW, this is very similar to the skill requirement in optaweb-employee-rostering which just uses plain j
TAG :java
Date : October 19 2020, 08:10 PM , By : GCO studios
Problem with sending keys to a form field when there is no submit button available
seems to work fine You're hitting a timing problem. Selenium is typing really fast then pressing the enter key. Do the actions manually and you will see a slight delay between typing an getting results based on what you typed.I have sample code that
TAG :java
Date : October 19 2020, 08:10 PM , By : Rbi Tester
Does anyone know how to add a value to org.w3c.dom.Element to instantiate both MiningSchema and SupportVectorMachineMode
will help you I have a github repo here that has all of my code in it. The snippet that gives me a null pointer is in Model, nullpointer at Model:32. I'm still not completely sure what to do here. I have everything else ready to work, this is the one
TAG :java
Date : October 19 2020, 08:10 PM , By : user2173808
Is it possible to use a different Spring Batch Sequence than the default one?
I wish this help you Rather than these I want to make use of my own sequences, is it possible to do that?
TAG :java
Date : October 19 2020, 08:10 PM , By : Ferdiconmary
Java derby embedded DB error: The syntax of the string representation of a date/time value is incorrect
should help you out Indeed, there is no standardization of the default string format for date and time datatypes across database systems, so issuing SQL queries with dates in literal string format is quite non-portable.A much more portable way is to
TAG :java
Date : October 19 2020, 08:10 AM , By : Shahzad Ahsan
WeakReference of a Collection in java
I hope this helps you . As long as the List itself is not weakly reachable its elements will not be either. (Assuming the list implementation itself does not use weak references or similar)So there is no problem with having the list cached with a wea
TAG :java
Date : October 19 2020, 08:10 AM , By : kryss
Getting an average of doubles from ArrayList
will help you I am not sure what you are asking in the question, but I think this is what you are looking for.
TAG :java
Date : October 19 2020, 08:10 AM , By : user2173992
Detecting circular references in Directed acyclic graph
help you fix your problem Instead of the boolean visited[] array, you can use a int state[] array, where 0 means 'not yet visited, 1 means 'in progress', and 2 means 'done'. Then when the current node depends on one that is 'in progress', you know yo
TAG :java
Date : October 19 2020, 08:10 AM , By : Arijit
Unexpected behavior sending object through socket in java
To fix this issue Java Serialization can handle cycles all sorts of object graph. It does this by sending back references instead of serialising the object twice.The second time you are sending the object, you are just sending a reference. You need t
TAG :java
Date : October 18 2020, 08:10 PM , By : user2174302
null object reference on data binding
With these it helps Okay, so I don't know if this is common for all android developers but in my layout folder, I have 2 layouts per activities: one for landscape and one for the other view. They are both named the same way (in my case activity_login
TAG :java
Date : October 18 2020, 08:10 PM , By : Anbukumar
Why am I getting an ArrayIndexOutOfBoundsException in this particular code?
this will help You're declaring the array dist[] with the length of V. And then you're using graph.edge[j].src as an index for the dist[] array. This is why you are getting an ArrayIndexOutOfBoundsException. In short, this means that the src value is
TAG :java
Date : October 18 2020, 08:10 PM , By : Mira Android
Deserialize encrypted kafka message in consumer
I think the issue was by ths following , If I set value.deserializer in consumer config as "KafkaAvroDeserializer.class", I don't see any messages being consumed.
TAG :java
Date : October 18 2020, 08:10 PM , By : bogdan
Program using I/O & Strings. | Basic Inventory Markup Calculator
I wish this helpful for you If that is all your code, then you need to flush and / or close the file to get the data written to the disk.Add outFile.close() in your code when you are done writing.
TAG :java
Date : October 18 2020, 08:10 PM , By : Katerina Monokuro
Kafka Avro Serializer and deserializer exception. Avro supported types
Hope this helps TweetInfoDto cannot be a plain Java object that you have defined yourself. It ideally should be created from an Avro schema via the Avro Maven Plugin, for example.
TAG :java
Date : October 18 2020, 08:10 PM , By : user2174232
How to get links from HTML, correct usage of `doc.select`
it should still fix some issue It's not clear what you're trying to achieve.To print a string of all the links, you might do this:
TAG :java
Date : October 18 2020, 08:10 PM , By : Locke
Replace this lambda with a method reference
wish help you to fix your issue You can't put Integer::toString because Integer has two implementations that fit to functional interface Function, but you can use String::valueOf instead:
TAG :java
Date : October 18 2020, 08:10 PM , By : user2174209
JsonPath ignore the Debug logs on output
hop of those help? This question was actually asked on 2017 on their official github page.Looks like you need to use a logback as the log implementation
TAG :java
Date : October 18 2020, 08:10 PM , By : Sikender Khan
Spring boot parsing @RequestBody
Does that help I have this old endpoint that I am trying to upgrade to using spring boot. It is currently used by a few services so I would like to keep it the same. , First, convert the body to a map:
TAG :java
Date : October 18 2020, 08:10 AM , By : Jim

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