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JAVA QUESTIONS

How to get a variable from a php file and use it in a Android activity?
How to get a variable from a php file and use it in a Android activity?
this one helps. You are sending only a number back as a response. I would send something more JSON-ish, like this:
TAG : java
Date : November 22 2020, 02:59 PM , By : w1r
Creating an updater. Updating/downloading part
Creating an updater. Updating/downloading part
Does that help I am not entirely sure that I understood your question, but maybe you want to do sth like:
TAG : java
Date : November 22 2020, 02:59 PM , By : hbeckeri
How can i print my array and my histogram on the same line?
How can i print my array and my histogram on the same line?
hop of those help? Here is a solution to your problem. The problem was that you were printing all of your Row data first and then all of your Integer data. You need to print them both at once. Not one after the other. Also just fyi, there is about a
TAG : java
Date : November 22 2020, 02:59 PM , By : keshav coder
Unknown error on if, else if, else statement
Unknown error on if, else if, else statement
I wish this help you I keep getting a syntax error on my last else statement in a string of if, else if , else , and I can't figure out why nor can I find anywhere that tells me what's really confusing is I have done this type of if else statement se
TAG : java
Date : November 22 2020, 02:59 PM , By : Chitra Malik
WebView crashing
WebView crashing
wish help you to fix your issue You are calling setContentView(R.layout.activity_main);, which loads a layout file that contains a WebView with android:id="@+id/wv. You are then trying calling findViewById(R.id.webView);. Your widget IDs do not match
TAG : java
Date : November 22 2020, 02:59 PM , By : Danilo Fagundes
Compare formatted dates to integers in Java
Compare formatted dates to integers in Java
it should still fix some issue I would like to compare a Date I get from my local machine to an integer I get from a scanner. The date is formated as: MMDDYYYY such as 11232015 which is todays date. My integer is then 11192015. I want to convert my d
TAG : java
Date : November 22 2020, 02:59 PM , By : Welly Malquitar
java sudoku why it doesnt show me the final result of sudoku
java sudoku why it doesnt show me the final result of sudoku
With these it helps Your show() method is overriding the java.awt.Window.show() method. You need to call super.show() as the first line in that method. So your new method would be:
TAG : java
Date : November 22 2020, 02:59 PM , By : Suneel Thakur
Json referring font to different font error
Json referring font to different font error
seems to work fine By default you are using an InternalFileHandleResolver to resolve the filepaths. Its root is your assets folder, not the place where your skin file is at.That's why you can use "absolute" filepaths, starting from your assets folder
TAG : java
Date : November 22 2020, 02:59 PM , By : Admin Ace
High-accuracy time syncing between Android (Java) and .NET DateTime?
High-accuracy time syncing between Android (Java) and .NET DateTime?
Hope this helps Yes, I believe GregorianCalendar does indeed observe the Julian/Gregorian cutover - although I note that you're setting oldUtcTime to the 1st of February in 1AD, which is probably why you're seeing a difference of 20 days instead of 1
TAG : java
Date : November 22 2020, 02:59 PM , By : Nitin Tyagi
Maven environment mac
Maven environment mac
With these it helps If you are using IntelliJ, try to look at this postYou need to set the argument -Dmaven.multiModuleProjectDirectory=$M2_HOME to your JRE
TAG : java
Date : November 22 2020, 02:42 PM , By : Magdy Saeb
What are these mystery characters
What are these mystery characters
around this issue Those are probably Unicode characters written as HTML entities in hexadecimal format. x003b2 is the "GREEK SMALL LETTER BETA" (β). x00025 is the "PERCENT SIGN" (%).
TAG : java
Date : November 22 2020, 02:42 PM , By : Joseph
What is the proper way to say `#` to other developers?
What is the proper way to say `#` to other developers?
will help you I'm trying to improve the clarity of my communication with other developers. , It's not pound, that's £It's not hashtag, that's Twitter.
TAG : java
Date : November 22 2020, 02:42 PM , By : Alex Panza
How to make a Model attribute global?
How to make a Model attribute global?
it helps some times You can use Spring's @ControllerAdvice annotation on a new Controller class like this:
TAG : java
Date : November 22 2020, 02:42 PM , By : mpbart
Spring REST returning PDF - Response status 406 (not acceptable)
Spring REST returning PDF - Response status 406 (not acceptable)
it fixes the issue Basically there is no need to add produces = "application/pdf" in RequestMapping as it seems to try to convert the ResponeBody internally. You can just add MediaType to response headers which is what you need.
TAG : java
Date : November 22 2020, 02:42 PM , By : ynesterenko
Unable to Resume Activity: Null Pointer Exception on button click
Unable to Resume Activity: Null Pointer Exception on button click
it fixes the issue In InsertActivity, studentDBoperation is not initialised and hence you might be getting NPE. Also, you should override onCreate() and setContentView() just like you have in MainActivity.
TAG : java
Date : November 22 2020, 02:42 PM , By : Dawn Brendle Jackson
Android ListView Adapter returns NullPointerException
Android ListView Adapter returns NullPointerException
I wish did fix the issue. The app crashes when trying to populate images in to a holder's ImageView or when I try to set an onclick listener to the holder imageview. It actually crashes if I try to do anything related to the holder's imageview. , you
TAG : java
Date : November 22 2020, 02:42 PM , By : bryanslegend
Android Audio fingerprinting implementation
Android Audio fingerprinting implementation
around this issue First of all gracenote is the easiest music identification service i came across.You are developing for the android and gracenote have their sort of implementation here with advantage of very well documented article.
TAG : java
Date : November 22 2020, 02:42 PM , By : Yang Li
Using comparator with poker hands: error with compare method
Using comparator with poker hands: error with compare method
it helps some times I'm trying to sort poker hands using a custom compare function. A poker hand is represented as a 5-element String array. I've written a class called HandComparator that has a method as follows for comparing hands: , I need to see
TAG : java
Date : November 22 2020, 02:42 PM , By : Eugene Isakov
Differentiating between no input (null String) and Cancel button in JOptionPane.showInputDialog()?
Differentiating between no input (null String) and Cancel button in JOptionPane.showInputDialog()?
I hope this helps . You could use "" for the initialSelectionValue parameter to differentiate between OK and Cancel:
TAG : java
Date : November 22 2020, 02:42 PM , By : Steven Pipes
error: package com.bea.core.repackaged.springframework.util does not exist
error: package com.bea.core.repackaged.springframework.util does not exist
To fix this issue Probably you added libraries to your eclipse build path, not to your Ant build path. Check your Ant build, in more details you need to place the libraries in location defined in your Ant build xml. That could be one of the problems.
TAG : java
Date : November 22 2020, 02:42 PM , By : basicbello
IntelliJ structural search generics
IntelliJ structural search generics
wish help you to fix your issue Maybe I do not understand IntelliJs structural search not. , Using a pattern like the following works for me:
TAG : java
Date : November 22 2020, 02:42 PM , By : Gia
Uploading files to REST from java side works, from python not
Uploading files to REST from java side works, from python not
it should still fix some issue Your post URLs are different in Java and Python. In Java it is /saperion/services/rest/insertDocument while in Python it is http://appdevel4.kada.lan/saperion/services/rest/insertDocument/56. Make sure your requests are
TAG : java
Date : November 22 2020, 02:42 PM , By : Mina Hyeon
Compiling generated code and jar with JavaCompiler
Compiling generated code and jar with JavaCompiler
it helps some times I have generated code that can be compiled on commandline with javac compiler like this: , Try to specify classpath option on your java compiler:
TAG : java
Date : November 22 2020, 02:42 PM , By : Liltaw10
compress file with GZIP in java
compress file with GZIP in java
Any of those help Classical mistake.DO. NOT. EVER. USE. A. READER. TO. READ. BINARY. DATA..
TAG : java
Date : November 22 2020, 02:42 PM , By : MrOodlesnNoodle 'JL'
Add one to a number stored in a digit array
Add one to a number stored in a digit array
I wish this helpful for you For the input [9,8,7,6,5,4,3,2,1,0], the value of n after this code:
TAG : java
Date : November 22 2020, 02:42 PM , By : Karthikeyan Nataraja
Serialization for Java Calendar
Serialization for Java Calendar
like below fixes the issue From JSON to Calendar Create a JsonSerializer:
TAG : java
Date : November 22 2020, 02:42 PM , By : ポストルウェートカイル
How to install Jcalender in Eclipse?
How to install Jcalender in Eclipse?
like below fixes the issue Download latest release from toedter.com/jcalendar/ and extract it.Put jcalendar-versionx.jar in your class path. If you want to use the JGoodies Look and Feel, put also jgoodies-looks-versionx.jar in your class path.
TAG : java
Date : November 22 2020, 02:42 PM , By : charades22
Build Failed, Missing Key Attribute (Android SDK)
Build Failed, Missing Key Attribute (Android SDK)
like below fixes the issue I recently imported my project over from Eclipse ADT over to Android SDK. I'm trying to re-run my simulator but I am encountering a problem with my AndroidManifest.xml file which states: /Users//Documents/android/medicine/s
TAG : java
Date : November 22 2020, 02:42 PM , By : Homeless Bill
Guess Number Game in Java
Guess Number Game in Java
wish of those help In order for your program to have multiple lives initialize a variable called guess and then run the int number through a while loop until the correct number has been chosen! Here’s an example of what you could do:
TAG : java
Date : November 22 2020, 02:42 PM , By : Saminderjit Singh Ch
Ascending Order Bubble sort java.lang.ArrayIndexOutOfBoundsException: 5 at wst2.calc(wst2.java:18)
Ascending Order Bubble sort java.lang.ArrayIndexOutOfBoundsException: 5 at wst2.calc(wst2.java:18)
Any of those help This statement int a[]=new int [5]; defines an array with length of 5. With an array of length 5, you can access elements with indices form 0 to 4 ({0, 1, 2, 3, 4}). But at this line
TAG : java
Date : November 22 2020, 02:42 PM , By : Anil Kumar
PhantomJS & Conductor Framework
PhantomJS & Conductor Framework
it should still fix some issue You may not have PhantomJS actually installed? From scratch, I ran a test, and got the same issue. I then ran:
TAG : java
Date : November 22 2020, 09:00 AM , By : chirag patel
How does the PCFMessageAgent handle disconnecting?
How does the PCFMessageAgent handle disconnecting?
it fixes the issue Always cleanup your stuff. If you connect it, then make sure you disconnect from it If you open it, then make sure you close it
TAG : java
Date : November 22 2020, 09:00 AM , By : ate fi
Shiro Session Clustering with Hazelcast, not on the Web
Shiro Session Clustering with Hazelcast, not on the Web
around this issue I think my error was in my actual Java code, not in the configuration files:In all my initial tests, running the service on a single server, I used this to get the current Shiro user:
TAG : java
Date : November 22 2020, 09:00 AM , By : Rondrivera
InputStream or Reader. Method with same logic
InputStream or Reader. Method with same logic
To fix the issue you can do You can create two methods using overloading to mean that each takes one of the inputs you want to support.Define an interface with the functionality you need to access from the two methods and then write wrapper classes i
TAG : java
Date : November 22 2020, 09:00 AM , By : Hunter
Struts 1.2 decrease float precision in <bean:write> tag
Struts 1.2 decrease float precision in <bean:write> tag
wish helps you I have the following code in my jsp : , I found the solution, I just discovered the format attribute :
TAG : java
Date : November 22 2020, 09:00 AM , By : Yassodude
My script is not creating new row after last filled row
My script is not creating new row after last filled row
hope this fix your issue How I understood the problem I don't know if I understood your question correctly.
TAG : java
Date : November 22 2020, 09:00 AM , By : lufl2
Building JDK 8 sources with Eclipse
Building JDK 8 sources with Eclipse
will help you The sources of the JDK are located in JDK_HOME/src.zip Unzip this archive in the folder of your choice. Create a new Java Project under Eclipse Import the content of src.zip into your new project. The compiler will raise several errors.
TAG : java
Date : November 22 2020, 09:00 AM , By : Todd Schluechtermann
How to deal with visualization of java.util.Date with a custom timezone in JSF
How to deal with visualization of java.util.Date with a custom timezone in JSF
wish of those help Finally I found a different solution, based on the fact that it is not necessary to keep the original timezone the ticket was created for. I now simply use java.util.Date in the backing bean for the date picker component and conver
TAG : java
Date : November 22 2020, 09:00 AM , By : Minca Andrei
Why am I getting an IllegalFormatConversionException?
Why am I getting an IllegalFormatConversionException?
To fix the issue you can do %d is to display integers. If you want to display String as your bg.toString() you must use %s and format it properly.See http://docs.oracle.com/javase/7/docs/api/java/util/Formatter.html for all formatter options.
TAG : java
Date : November 22 2020, 09:00 AM , By : Herczeg Norbert
Error adding timestamp to log file name (log4j2)
Error adding timestamp to log file name (log4j2)
Any of those help The FileAppender only accepts a file name, not a pattern. You can use a lookup to get the date if that is what you want.
TAG : java
Date : November 22 2020, 09:00 AM , By : NawabSaheb
Generate a single .jar with only androidTest code
Generate a single .jar with only androidTest code
Hope that helps There is a special gradle task to run tests on connected device or emulator
TAG : java
Date : November 22 2020, 09:00 AM , By : Edward Hura
getWindowHandles return one window handle if multiple tabs are open in single window
getWindowHandles return one window handle if multiple tabs are open in single window
wish help you to fix your issue This is working as intended according to the FirefoxDriver team. See their response at https://github.com/SeleniumHQ/selenium/issues/1614:
TAG : java
Date : November 22 2020, 09:00 AM , By : Mike Kisling
Multiple click events fire on a single click GWT
Multiple click events fire on a single click GWT
I hope this helps . I have a FlexTable and have a click event associated with it. It happens sometimes that events are trigerred multiple times. Sometimes up to 10 times on a single click. I have checked for multiple event handlers but I have only on
TAG : java
Date : November 22 2020, 09:00 AM , By : KAKYHAC
Android - Set TextColor ListItem on an AlertDialog with list programatically
Android - Set TextColor ListItem on an AlertDialog with list programatically
help you fix your problem I have an AlertDialog where a user must choose between several options. The default color scheme for this is white text on a darkgrey background. In the App users can configure their own color which are suppose to match with
TAG : java
Date : November 22 2020, 09:00 AM , By : Kwame Johnson
Using an object from main class in another class
Using an object from main class in another class
fixed the issue. Will look into that further Your Forward class obviously needs a reference to the two motor instances. You should forward (no pun intended) them at construction time:
TAG : java
Date : November 22 2020, 09:00 AM , By : mike2500
Trying to get text from a text field to move to a text area
Trying to get text from a text field to move to a text area
Any of those help , This will solve the issues in your code :
TAG : java
Date : November 21 2020, 09:01 AM , By : Marťas Nééymarék Otr
Random Image Generation on Android by tapping on ImageView
Random Image Generation on Android by tapping on ImageView
Hope this helps I think your problem comes from the fact that you use the same instance of Random() over the lifetime of your Activity. Java's Random is a pseudo random number generator, meaning that you can get the same values multiple times. When y
TAG : java
Date : November 21 2020, 09:01 AM , By : tonymu
What does the new keyword do here?
What does the new keyword do here?
I wish did fix the issue. new my_class() creates a new object of type my_class. It is not assigned; so it is discarded.But before being discarded, the object is built anyway; the constructor is run and prints its object's a attribute value. 8.
TAG : java
Date : November 21 2020, 09:01 AM , By : Dtaivpp
Java Spring boot Service bean creation order
Java Spring boot Service bean creation order
around this issue By default, Spring uses the dependencies of your services to determine the order in which it creates your services.If you want finer control about when your services are created (i.e. create one service after all others, even though
TAG : java
Date : November 21 2020, 09:01 AM , By : Jitendra Singh
MongoCursor has no count() method?
MongoCursor has no count() method?
I hope this helps . The count method can now be found in MongoCollection:
TAG : java
Date : November 21 2020, 09:01 AM , By : cscott
Why does the JVM allow be to pass a B[] to a method that expects an A[]?
Why does the JVM allow be to pass a B[] to a method that expects an A[]?
I think the issue was by ths following , After Type Erasure, T will be turned into Object since you didn't specify a bound on T. So, there is no problem at runtime assigning any type of array to genericTypeArray, which is now of type Object[] or call
TAG : java
Date : November 21 2020, 09:01 AM , By : Keith Petrone
Java replace string string by other string
Java replace string string by other string
will be helpful for those in need I want to replace 1 by 1Min, 5 by 5Min, 10 by 10Min, 15 by 15Min,60 by 1Hour, 360 by 6Hours etc. , You could try something like this:
TAG : java
Date : November 21 2020, 09:01 AM , By : harta bet
JBAS011843: Failed instantiate InitialContextFactory com.ibm.websphere.naming.WsnInitialContextFactory
JBAS011843: Failed instantiate InitialContextFactory com.ibm.websphere.naming.WsnInitialContextFactory
I hope this helps you . Since you are migrating to Jboss from WebSphere and you are using "com.ibm.websphere.naming.WasInitialContextFactory" class, which is WAS specific class, that's why you are getting this error. Change that to "org.jboss.naming.
TAG : java
Date : November 21 2020, 09:01 AM , By : John
Double variable input
Double variable input
To fix this issue Besides the error in trying to do the math before you have your numbers, you also need to declare your variables inside your main method or make your variables static.
TAG : java
Date : November 21 2020, 09:01 AM , By : Mohammad abbaszadeh
Proper way for getting annotations of Java-Methods in custom Sonar rules
Proper way for getting annotations of Java-Methods in custom Sonar rules
seems to work fine The first way is prefered and should work for every method call, even within the same class. If it does not work it probably means that the method invoked is not resolved from semantic (which is why the symbol is set to unknown, th
TAG : java
Date : November 21 2020, 09:01 AM , By : RD Mason
How to bind a JavaFX 8 object to a java variable?
How to bind a JavaFX 8 object to a java variable?
Does that help Solution 1: Use a StringPropertyUse a StringProperty and a custom serialized form to make the class Serializable:
TAG : java
Date : November 21 2020, 09:01 AM , By : Jairo Granado
CDI producer method not working if defining class doesn't declare a scope
CDI producer method not working if defining class doesn't declare a scope
should help you out From the CDI spec:
TAG : java
Date : November 21 2020, 09:01 AM , By : fergpichel
Java ArrayList does not use overriden equals(Object o) method to compare
Java ArrayList does not use overriden equals(Object o) method to compare
wish helps you I searched for solution everywhere, but I couldn't find any mistake in my code. Why does ArrayList's contains(Object o) does not run my overridden equals(Object o) method? Consider this code: , You test
TAG : java
Date : November 21 2020, 09:01 AM , By : calimblocky
Reference FragmentActivity to external Interface
Reference FragmentActivity to external Interface
fixed the issue. Will look into that further If the function you want to call is already in the Activity then you can do something like the code below and it will work - The key is, in the Fragment you have a method called getActivity() which you can
TAG : java
Date : November 21 2020, 09:01 AM , By : Brady Gray
Round float to closer (or closest one)
Round float to closer (or closest one)
like below fixes the issue I have some "reference" float numbers (1.5, 3 and 7.1 for example), is there any way how to get some other "random" float rounded to closest one from the brackets? (I mean if there's something like round, which can takes re
TAG : java
Date : November 21 2020, 09:01 AM , By : Snix

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