Is there any Hibernate property I could set to see all the slow queries? I’, interested in queries that take too much time to return the result set. I’m using Spring with Hibernate, configured via an applicationContext.xml Spring configuration file. Answer I have 2 suggestions: you could use Oracl…
Tag: java
“unable to locate Spring NamespaceHandler” error
I’m creating a stand-alone Sava application with Spring, to handle the JDBC access. The application works fine on every test and I decided that I need a jar to be deployed our clients. They might not have spring in their classpath, so I used maven-assembly-plugin to handle the jar creation with dependen…
Content-Length header already present
I am using the Apache HttpClient (4.1) included in Android to execute a HttpPut. I have verified that I only have 1 content-length header. However, every time I send the request, I get a protocol exception about the Content-Length header already specified. Caused by: org.apache.http.ProtocolException: Content…
Is there an equivalent to memcpy() in Java?
I have a byte[] and would like to copy it into another byte[]. Maybe I am showing my simple ‘C’ background here, but is there an equivalent to memcpy() on byte arrays in Java? Answer You might try System.arraycopy or make use of array functions in the Arrays class like java.util.Arrays.copyOf. Bot…
What is an open free to use radio / music streaming service I can access via java [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. We don’t allow questions seeking recommendations for books, tools, software libraries, and more. You can edit the question so it can be answered with facts and citations. Closed 7 years ago. Improve this ques…
What is the preferred way to specify an HTTP “Location” Response Header in Spring MVC 3?
What is the preferred way to specify an HTTP “Location” Response Header in Spring MVC 3? As far as I can tell, Spring will only provide a “Location” in response to a redirect (“redirect:xyz” or RedirectView), however there are scenarios where a Location should be sent along…
Why do threads share the heap space?
Threads each have their own stack, but they share a common heap. Its clear to everyone that stack is for local/method variables & heap is for instance/class variables. What is the benefit of sharing heap among threads. There are several number of threads running simultaneously, so sharing memory can lead …
How to shuffle characters in a string without using Collections.shuffle(…)?
How do I shuffle the characters in a string (e.g. hello could be ehlol or lleoh or …). I don’t want to use the Collections.shuffle(…) method, is there anything simpler? Answer I dont know anything simpler. But you can use the Math.rand() functionality to generate a random number within the r…
How do I pass a R.drawable as a parameter so I can get images parsed
I try to save a unique image to each object but I get this error, how should the constructor look for it to work that way? The constructor Beer(String, int, int) is undefined Answer and like said before: Or you can send the int as parameter: and:
What version of javac built my jar?
How can I tell what version of the Java compiler was used to build a jar? I have a jar file, and it could have been built in any one of three JDKs. We need to know exactly which one, so we can certify compatibility. Is the compiler version embedded somewhere in the class files or jar? Answer You can’t