If this isn’t possible, could you suggest a better way to do this? I couldn’t find a method for it in ScheduledThreadPoolExecutor. basically what I’m trying to do is make this code be run 3 times then cancel the “timer.” I could probably use Swing Timer, but I don’t want to…
Setting socket read timeout with javax.xml.soap.SOAPConnection
I am using the javax.xml.soap API (javax.xml.soap.SOAPConnectionFactory, javax.xml.soap.SOAPConnection, and friends) to make a web service call to a remote server, for the most part with great success. However, sometimes there is a problem and the program gets stuck reading forever. To address this, I’d…
Trouble understanding Java threads
I learned about multiprocessing from Python and I’m having a bit of trouble understanding Java’s approach. In Python, I can say I want a pool of 4 processes and then send a bunch of work to my program and it’ll work on 4 items at a time. I realized, with Java, I need to use threads to achiev…
What namespace does the JDK use to generate a UUID with nameUUIDFromBytes?
The Sun/Oracle JDK exposes a function to create a type 3 (name based) UUID in the java.util package: java.util.UUID.nameUUIDFromBytes(byte[] name). I need to be able to generate a type 3 UUID in Java using nameUUIDFromBytes and arrive at the same UUID when creating a type 3 UUID in another language, assuming …
How to avoid Admob blocking the UI thread
I have detected some of my activities are blocked at the launch. So I wrote that code in a new project: And the result is that the first creation of an AdView object blocks the UI thread for between 1 and 2 seconds. Is there some way of avoiding that? Thanks Answer You are creating your AdView in your UI
Why is this ArrayList throwing a ConcurrentModificationException when I try to remove an element?
I’m trying to remove a particular element from Arraylist, it throws an ConcurrentModificationException any comments, what am I doing wrong? Answer Only remove an element from the array while iterating by using Iterator.remove(). The line for(String st: ar) { is a bit misleading. You’re actually cr…
How to change spaces to underscore and make string case insensitive?
I have following question. In my app there is a listview. I get itemname from listview and transfer it to the webview as a string. How to ignore case of this string and change spaces to underscores? For example: String itemname = “First Topic”. I transfer it to the next activity and want to ignore…
Background process in linux
I have developed a Java socket server connection which is working fine. When started from a terminal, it starts from listening from client. But when I close the terminal it stops listening. I need to continue even though the terminal closed by user from where jar file was started. How can I run Java server so…
Can’t compile project when I’m using Lombok under IntelliJ IDEA
I’m trying to use Lombok in my project that I’m developing using IntelliJ IDEA 11. I’ve installed 3rd-party plugin for IDEA and it seems working fine because IDEA sees all autogenerated methods/fields. So I have a class that uses Slf4j. I annotated it like this But when I build my project co…
jndi LDAPS custom HostnameVerifier and TrustManager
We are writing an application that shall connect to different LDAP servers. For each server we may only accept a certain certificate. The hostname in that certificate shall not matter. This is easy, when we use LDAP and STARTTLS, because we can use StartTlsResponse.setHostnameVerifier(..-) and use StartTlsRes…