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Unloading classes in java?

I have a custom class loader so that a desktop application can dynamically start loading classes from an AppServer I need to talk to. We did this since the amount of jars that are required to do this are ridiculous (if we wanted to ship them). We also have version problems if we don't load the class...
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Tetris-ing an array

...a include the algorithm to find the longest common prefix, thus making actually using a tree structure unnecessary? Ie why check the tree for multiple children when you could detect that while building the tree. Why then a tree at all? I mean if you start with an array already. If you can change the...
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JavaScript console.log causes error: “Synchronous XMLHttpRequest on the main thread is deprecated…”

...ou return HTML content like that via xhr, you will cause jQuery to make a call to get that script. That call happens with an async flag false since it assumes you need the script to continue loading. In situations like this one you'd be better served by looking into a binding framework of some kin...
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What is the best way to clone/deep copy a .NET generic Dictionary?

...neric dictionary Dictionary<string, T> that I would like to essentially make a Clone() of ..any suggestions. 11 An...
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Differences between strong and weak in Objective-C

...r the case, the object gets destroyed and your weak property will automatically get set to nil. The most frequent use cases of weak references in iOS are: delegate properties, which are often referenced weakly to avoid retain cycles, and subviews/controls of a view controller's main view because t...
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Async/await vs BackgroundWorker

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MySQL/Amazon RDS error: “you do not have SUPER privileges…”

... The -f option will not make the errors go away, it will just allow the non-offending SQL statements in the file to be processed. From what I've read, RDS is choking on stored procedures in the dump file. Try creating a dump file without store procedures and see if that loads OK: mysqld...
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How can I consume a WSDL (SOAP) web service in Python?

...d zeep today and it was surprisingly easy to use. Was able to consume and call a Soap 1.1/1.2 service with 3 lines of code. – Jagu Jan 10 '17 at 4:02 add a comment ...
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Is it possible only to declare a variable without assigning any value in Python?

...ython is dynamic, so you don't need to declare things; they exist automatically in the first scope where they're assigned. So, all you need is a regular old assignment statement as above. This is nice, because you'll never end up with an uninitialized variable. But be careful -- this doesn't mean...
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spring boot default H2 jdbc connection (and H2 console)

...ething to enter when starting the H2 console (in this case, "AZ"). I think all of these are required though it seems like leaving out the spring.jpa.database-platform does not hurt anything. In application.properties: spring.datasource.url=jdbc:h2:mem:AZ;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE s...