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Java download file using a byte[]
it fixes the issue I have web-service method which returns a byte[], so I did this to force the download of the returned file , you are setting your content Length after writing the output.
TAG :java
Date : September 23 2020, 08:00 PM , By : user110527
How to execute shell command with JSON from java
With these it helps The problem is that Runtime.exec(String) uses the StringTokenizer to split the argument and then call Runtime.exec(String[]). The StringTokenizer is not able to split that argument correctly - it does not consider single quotes '.
TAG :java
Date : September 23 2020, 08:00 PM , By : Ben Cunningham
Obtain Kubernetes API key with Java
I hope this helps you . Kubernetes is not involved in the OAuth side of things at all. That’s up to your IdP. More normally you would use a ServiceAccount token for automation though.
TAG :java
Date : September 23 2020, 08:00 PM , By : Mike AJ
Codenameone issue: What will happen to push notification service in ios app after expiration of Pro Account Subscription
hop of those help? The Codename One push servers will no longer accept your push requests but the app will keep working as usual it just won't get new push notification messages.
TAG :java
Date : September 23 2020, 08:00 PM , By : Yen
Producer-consumer problem - both end up waiting
around this issue Looks like a regular case of 'missed signal'. Since both consumer and producer just wait without checking a condition, yu have no way to ensure the notify actually happens during the waiting. e.g. in Consumer :
TAG :java
Date : September 23 2020, 08:00 PM , By : Alisha
List of all z/OS DD statements in JCL job using JZOS toolkit
Does that help Yes, it is possible to get the list of DD statements allocated to your jobstep. The typical way this is done would be by scanning through a z/OS data structure called the "Task I/O Table", or TIOT. The TIOT contains an entry for every
TAG :java
Date : September 23 2020, 07:00 PM , By : Eligos
How to Subtract 30Days, 3 Months & 1 Year In Epoch time from now using java?
I hope this helps . You can obtains an instance of Instant using milliseconds from the epoch at particular ZoneId and then subtract days,months and years
TAG :java
Date : September 23 2020, 07:00 PM , By : faust
How to save an ArrayList, a custom adapter (and its data) in Android using JSON?
I hope this helps . It looks like you want to persist this data. You could do so by using SQLite or SharedPreferences. If you are keen on serializing data to a JSON object, you could use a library such as GSON before you eventually use SharedPreferen
TAG :java
Date : September 23 2020, 07:00 PM , By : bhsdev
Difference between a global variable and an injected variable?
like below fixes the issue Variables don't get injected. Values get injected. When you inject a bean into another bean you are injecting that reference. References are values, see Is Java quot;pass-by-referencequot; or quot;pass-by-valuequot;?.You ca
TAG :java
Date : September 23 2020, 06:00 PM , By : Lesego Seitshiro
Code is crashing, it is meant to take in a full name e.g. John Cena and output it as JCena)
it should still fix some issue First, I would make those methods static if they do not belong to an object class.Currently your code is crashing because your scanner is only reading in "John" and indexOf() returns -1 if the character you're looking f
TAG :java
Date : September 23 2020, 06:00 PM , By : Alex Rodin
If we add a super() in a parent class constructor, which class will this super() invoke while creating an object of the
around this issue It will call java.lang.Object class's constructor, which is the default parent of all the classes in Java.
TAG :java
Date : September 23 2020, 05:00 PM , By : Anthony Meleco
How to configure Jackson and Spring to render objects differently depending on the URL path and level of nesting
will be helpful for those in need You can use @JsonView of Jackson library with Spring and have custom serializations at an endpoint/method level.Some examples can be found here
TAG :java
Date : September 23 2020, 04:00 PM , By : Hà Vũ
Java 8 opposite to filter in stream
I wish did fix the issue. Hello how can I do in java 8 (I know its already in java 11) the opposite to not filter for this , With a condition like
TAG :java
Date : September 23 2020, 04:00 PM , By : Matan Baruch
Calling a `scala.Function1[_root_.scala.Predef.String, scala.Any]` from within Java
wish help you to fix your issue I found the solution. It works when calling it like this: onMessageCb().apply(message);.
TAG :java
Date : September 23 2020, 04:00 PM , By : Tom K
Memory usages high - Slow application response : Used memory value not decreasing + Free memory value not increasing
hope this fix your issue The issue that you are facing is Memory leak What is it?
TAG :java
Date : September 23 2020, 04:00 PM , By : GopalRao
J-Unit 4 Checking return Type
With these it helps Since you're already declaring the result as a String, you can't really reach the line below if the result is not a String, and you'll fail at this point.One option is using AssertassertTrue:
TAG :java
Date : September 23 2020, 04:00 PM , By : wongwideweb
JUnit: How to create a test class with dependency injection via the constructor
Any of those help How can I create a test class where I can inject the class to be used for testing? , Maybe something like this would do the trick.
TAG :java
Date : September 23 2020, 04:00 PM , By : Brian Balser
JSON parse error: Cannot deserialize instance of `` out of START_ARRAY token
will be helpful for those in need Also, the json you shared is an array of CurrencyDTO. Assuming your Json to be,
TAG :java
Date : September 23 2020, 04:00 PM , By : Haxwell
Spring Boot findById is not working but findAllById works fine
I wish did fix the issue. I have an Bid entity defined as follows , Have you tried orElse like this
TAG :java
Date : September 23 2020, 04:00 PM , By : Peakmi CTN
Do Java class files know about white space?
around this issue Compiled class files do not contain exact whitespace information of the source file.There are two possible reasons that I can think of that your decompiled class files look exactly like your input:
TAG :java
Date : September 23 2020, 03:00 PM , By : untitled404
ROOM Framework crashes an application
will help you I have following some tutorials on the Internet with ROOM Framework. , The problem lies here.
TAG :java
Date : September 23 2020, 03:00 PM , By : Trevor Squires
Lombok and changing generic method
help you fix your problem You cannot; this is intentional. What you can do is just.. write the method. Lombok will see it and will not generate anything. For example, if you have this in your file:
TAG :java
Date : September 23 2020, 02:00 PM , By : Andylee
How do I extract the title attribute and the text using xpath or css selector?
it should still fix some issue From the below code i would like to fetch the text "Manager". The first and third line contains the word "Manager". , To get the title Manager Try this.
TAG :java
Date : September 23 2020, 02:00 PM , By : GregO
Wildfly in Docker container not starting
I wish this helpful for you By default, when you create a container, it does not publish any of its ports to the outside world. Network 172.17.X.X is internal. If you need to bind IP address to host ip run docker container with -p flag, like that:-p
TAG :java
Date : September 23 2020, 01:00 PM , By : MrEvanJ
Spring @Component not able to Autowire
To fix this issue @Component public class ProcessRequest {}How does spring know how to create ProcessRequest with autowired beans? You ask it to by specifying its also a spring managed bean. You forgot to annotate the class.
TAG :java
Date : September 23 2020, 01:00 PM , By : Sai Kadle
Validate to check uploaded file is pdf
Hope that helps You can use Apache Tika for this, available here. http://tika.apache.org/You can also find a practical example here: https://dzone.com/articles/determining-file-types-java
TAG :java
Date : September 23 2020, 01:00 PM , By : PZJ18
Array not changing Value java
I hope this helps you . Hello how do i change the value of an index in an char array? i tried the usual way array[][] = ""; but when i print it it still displays the original hard coded array. , The value of rows and seats in
TAG :java
Date : September 23 2020, 12:00 PM , By : Deepika Maheshwari
Can you link two entitys with OneToOne relationship without a foreign key?
like below fixes the issue Seems like, you are not passing player to review while persisting. you will have to persist player first and than before persisting the review you have fetch player for which you would like to add review and set it manually
TAG :java
Date : September 23 2020, 12:00 PM , By : Alvin
In the given example, what is the logic behind the use of the Random class?
this will help It's fine when next was previously selected, as there is a if (array[next] != 0) check followed by array[next] = 1.
TAG :java
Date : September 23 2020, 11:00 AM , By : Omar El-Etr
The simple way to get int array from System.in in Java
this one helps. The user types in System.in this , With Streams it can be done in a single line:
TAG :java
Date : September 23 2020, 11:00 AM , By : Bilal Ahmad
lombok annotation is not wokring in intellij19.3
it should still fix some issue You need to install lombok plugin to Intellij. You can use following url to download.Lombok Plugin
TAG :java
Date : September 23 2020, 11:00 AM , By : user3678473
Why variable may not be initialize inside an if
Hope this helps It's not that it can't be initialized in an if block, it's that static analysis of the code by the compiler shows that it's possible that it gets to the editRecord(..., stock, ...) method call without having been initialized.E.g.: if
TAG :java
Date : September 23 2020, 11:00 AM , By : Amor
Spring load JSON file and return via requestMapping
it fixes the issue As you are using spring web framework why not to use jackson for json processing. you can try this way:
TAG :java
Date : September 23 2020, 11:00 AM , By : user324373
Why does the protobuf use builder to construct data?
around this issue Protobuf uses builders to generate Message objects, because the message objects themselves are immutable:
TAG :java
Date : September 23 2020, 10:00 AM , By : Julián Esteban
How to create two log files for a single Spring Boot application
I wish this help you Create/Configure your logback-spring.xml file to output to multiple files by package. See https://docs.spring.io/spring-boot/docs/current/reference/html/howto.htmlhowto-configure-logback-for-logging-fileonlyExample (credit - Spri
TAG :java
Date : September 23 2020, 10:00 AM , By : anotheroba
Splitting an alphanumeric string using regex is not working
With these it helps You cannot do split. You should match what you want and keep it in a List like this code:
TAG :java
Date : September 23 2020, 10:00 AM , By : Emmett Casey
How do I get difference between two dates in android with millisec?
this one helps. You take the remainder of dividing by 1000, using the remainder operator:
TAG :java
Date : September 23 2020, 10:00 AM , By : Hanjie Shao
Sorting algorithms with array lists
it fixes the issue The first implementation is really bad, why would one sort (O n log n) even worst several array.length-k times, to find the minimum (O(n)) of a set is just awful.So yes, a version with a single variable, storing the current minimum
TAG :java
Date : September 23 2020, 09:00 AM , By : Lee Jungri
Pausing a For-Loop/better Ideas how to solve this
I wish this help you I'm not quite sure I understand your requirements/problem but I'll try, so let me rephrase:You want to run a number of (independent?) processes concurrently but want to limit that number to a reasonable amount. When a process fin
TAG :java
Date : September 23 2020, 09:00 AM , By : shriny
How to remove elements in ArrayList through for loop using Java
This might help you From Java 8 on, there is Collection.removeIf(Predicate
TAG :java
Date : September 23 2020, 09:00 AM , By : Sam Magid
How to get weather forecast at device location using latitude and longitude with GPS only
it should still fix some issue Is it possible to get weather forecast or information (temperature, humidity, air pressure, etc) at device location (lat, long) using GPS only (without internet connection) ?
TAG :java
Date : September 23 2020, 09:00 AM , By : ezio
How to get arguments from an instance of functional interface object passed as lambda?
To fix this issue arg$1 and arg$2 can be treated as fields of a class, so they can be obtained by reflection.
TAG :java
Date : September 23 2020, 09:00 AM , By : GeekStream
Is there another algorithm to realise this function (Find the number of ideal integers.)
Hope that helps Not giving a solution, your work pleasure.Walking through all numbers and for every number unfactoring by 3 and 5 is inefficient. You want to only check 3^x * 5^y; hence stepping through (x, y).
TAG :java
Date : September 23 2020, 09:00 AM , By : user319630
What's the best way to retrieve the value in a nullable Optional?
With these it helps Suppose you have an Optional variable that could take on one of 3 values: , The first one can be simplified as just:
TAG :java
Date : September 23 2020, 08:00 AM , By : JanardhanReddy
@Autowired Processor is null
wish of those help I'm working wit an OOTB example for Spring Cloud Stream. , I just downloaded your project and it works fine for me...
TAG :java
Date : September 23 2020, 07:00 AM , By : ankit
Flying saucer/OpenPdf same string html content but different byte[]
I hope this helps you . It is normal. If you want to test your document, you need to do a structural or visual comparison, not a byte comparison. To have an idea on how to do that, have a look at the CompareTool class of iText 7 (OpenPdf is a fork of
TAG :java
Date : September 23 2020, 07:00 AM , By : Muahmmad Umar Farooq
Sorting a Text File in JavaFX
Hope that helps I think you need to create an object to hold what represents one instance of scoreboard data. Name:Score:Level. When you read the data from the file read it an as a List of ScoreBoardScore. List. One way to sort the List of ScoreBoard
TAG :java
Date : September 23 2020, 07:00 AM , By : Sheng Wang
JAVA regex to get entire json from text
To fix the issue you can do Your regular expression works perfectly fine in Java, of course.However, you should not match the entire string, you should search for the match inside the string, and for that you use Matcherfind (as there is no convenien
TAG :java
Date : September 23 2020, 06:00 AM , By : Ayanda
Where do I put public static void main(String[] args)?
Any of those help You can add it to GamePanel, but you need to create a JFrame and you want to add an instance of your GamePanel to it. Something like,
TAG :java
Date : September 23 2020, 06:00 AM , By : syed shahamatullah
best way to Iterate over a collection and array consecutively
it fixes the issue What you have is essentially fine: it's simple, and simple can be sufficient to make code readable.The only thing I would caution about is the side effect of index++ inside arr[index++]: if, say, you want to use the same value mult
TAG :java
Date : September 23 2020, 05:00 AM , By : diesluna
How to make Java process to use multiple CPU cores
With these it helps Your JVM and the host OS decide how many 'native' threads to use, and how those threads are mapped to physical processors based on task in hand.So basically scheduling is up to the OS you can see what's going on.
TAG :java
Date : September 23 2020, 05:00 AM , By : Vishal Bhat
JavaFX 13 create runnable jar "no main manifest attribute"
wish help you to fix your issue You did not define a "manifest - attribute" in your gradle build.You should specify the "jar" task like that :
TAG :java
Date : September 23 2020, 04:00 AM , By : Mujtaba
run Java Servlet unit tests on Tomcat server
will help you Distinct non-answer: you don't do that.Long answer: unit tests are about testing units in isolation. And in order to be useful, you mock/stub anything external, such as: a web or application server.
TAG :java
Date : September 23 2020, 04:00 AM , By : lao xiaoliang
Convert if else statement in Optional.ofNullable().ifPresent() in Java
I hope this helps you . You need to use ofNullable if you are not sure whether the value you want to wrap as Optional is null or not.Your code can then be rewritten:
TAG :java
Date : September 23 2020, 04:00 AM , By : Ahmar
The type com.google.cloud.ServiceOptions$Builder cannot be resolved. It is indirectly referenced from required .class fi
Any of those help In addition to google-cloud-bigquery-1.93.0.jar, you have to also configure at least google-cloud-core-1.90.0.jar in Eclipse.BigQueryOptions.getDefaultInstance().toBuilder() returns BigQueryOptions.Builder that extends the missing S
TAG :java
Date : September 23 2020, 04:00 AM , By : Hamid Eslaminezhad
Cannot read Excel file with Arabic content using Java
I wish this helpful for you Use the following Codesheet1.getRow(1).getCell(4).getRichStringCellValue();
TAG :java
Date : September 23 2020, 02:00 AM , By : Sandor Papp
Java 13 Text Block *WITHOUT* newlines
wish help you to fix your issue The designers of this feature realized this requirement as well (see 'New escape sequences' in JEP368). So, with the latest early access build for JDK 14 you can use a trailing \ to escape the new line at the end of a
TAG :java
Date : September 23 2020, 02:00 AM , By : Jana
Time complexity of an algorithm depends on the incremental/decremental step portion, and not the actual input size?
Hope this helps I was reading this question, and this comment in precise captured my attention Stackoverflow , ...which makes the nested loop domain: from n to n/2.
TAG :java
Date : September 23 2020, 02:00 AM , By : srija
java.sql.Connection createArrayOf() returns Unsupported feature
With these it helps Many methods of various JDBC interfaces can throw SQLUnsupportedFeatureException. The reason is tat although the JDBC API is common it is defined for superset of all possible relational databases. But not all such databases and th
TAG :java
Date : September 23 2020, 02:00 AM , By : Leon Lite
Does a Kafka Consumer default batch size?
fixed the issue. Will look into that further Yes, there's a default max.poll.recordshttps://kafka.apache.org/documentation/consumerconfigs
TAG :java
Date : September 23 2020, 02:00 AM , By : prasanth v

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