I use Java : and IntelliJ IDEA: Get error when compiling: Executing javac -help : So javac should use two hyphens with release, but Intellij Idea use with one. Can I override javac options that IDEA use or fix it in some way? UPD: Even Build, Execution, Deployment > Compiler > Java Compiler Additional Command Line Parameter doesn’t help in
connection pooling with smtp servers
like i have 5 smtp server’s and i want to do bulk mailing and want to post on each server then how i can achieve it ? I am using like this now : Now i want to post on multiple VIP’s like Can you suggest how i can achieve this ? Answer You can use SmtpConnectionPool. Create session with
Consider defining a bean of type ‘package’ in your configuration [Spring-Boot]
I am getting the following error: I have never seen this error before but it’s odd that the @Autowire is not working. Here is the project structure: Applicant Interface ApplicantImpl Now I should be able to just Autowire Applicant and be able to access, however in this case it is not working when I call it in my @RestController: ————————UPDATE
Compressing an Image before Uploading it to Firebase Storage
I am trying to Compress an Image before Uploading it to Firebase Storage using SiliCompressor library , but it seems not working , the ProgressDialog doesn’t stop. What i first did was to pick the Image from the Gallery into an ImageButton by clicking an ImageButton. Below is my code. So now am having a Method startPosting() which Uploads data
Firebase for Android, How can I loop through a child (for each child = x do y)
This is what my test looks like: I won’t use the fields above, it’s just a dummy. But I would like to go through all the children on “users” and for each email return a: The only way I found of listing an object is using firebaseAdapter, is there another way of doing it? Answer The easiest way is with
Replacing the password character to dot in JPasswordField
The default password symbol of a JPasswordField is a dot. But this will be replaced by Java Look and Feel to an asterisk. Is there a way that I can replace this symbol to the dot back again after loading the Look and Feel ? I already know that initializing or creating the JFrame object before loading the Look and
How do I check if a Java String contains at least one capital letter, lowercase letter, and number?
I know that I could do this with a series of for loops that iterate through the string but that would be terrible programming. Well, my professor prefers I don’t do it this way. I’d like to use regular expressions to do this. Answer For a simple string check, a single sweep through the string is enough. Since Regex will
Spock Error:Groovyc: Could not instantiate global transform class
I m new to Spock, tried to write a simple Spock but it failed: here is my Spec: and here is my pom.xml: what is wrong my Spec or pom setting? do i have to install Groovy to make it work? Answer Here is your test, re-written in more idiomatic Spock/Groovy: A couple of notes: Groovy (in which Spock tests
Set custom view for my location button in google map
I am using the Google Maps Android API v2, and I need a way to change the view (icon, color, etc.) of “My Location” button. now i can change the position of that but i need a way to do a full customization. can somebody help me please? Answer The location button is actually an ImageView. You should first retrieve
NoClassDefFoundError org/apache/poi/ss/usermodel/Workbook
I am running a shell script which calls a java class to get some data from database and create an excel report with that data. I get the error Exception in thread “main” java.lang.NoClassDefFoundError: org/apache/poi/ss/usermodel/Workbook when the code hits the below line in my java class: This is how I have defined the classpath: I verified that the jars have