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How to properly override clone method?
... directly calling the superclass' method in the try block, even if invoked from a subclass calling super.clone()) and the former should not since your class clearly should implement Cloneable.
Basically, you should log the error for sure, but in this particular instance it will only happen if you m...
Detect blocked popup in Chrome
...err);
//}
}
return result;
}
What I do is run this test from the parent and wrap it in a setTimeout(), giving the child window 3-5 seconds to load. In the child window, you need to add a test function:
function test() {}
The popup blocker detector tests to see whether the "test"...
Python: Fetch first 10 results from a list [duplicate]
Is there a way we can fetch first 10 results from a list. Something like this maybe:
4 Answers
...
Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?
...tpServletResponseWrapper and buffer the output. This is to keep the output from going directly to the client but also allows you to protect if the servlet closes the stream, as per this excerpt (emphasis mine):
A filter that modifies a response must
usually capture the response before it
is...
Difference between session affinity and sticky session?
...
Sticky session means that when a request comes into a site from a client all further requests go to the same server initial client request accessed. I believe that session affinity is a synonym for sticky session.
...
How to use MDC with thread pools?
... Object> fixedContext;
/**
* Pool where task threads take MDC from the submitting thread.
*/
public static MdcThreadPoolExecutor newWithInheritedMdc(int corePoolSize, int maximumPoolSize, long keepAliveTime,
TimeUnit u...
Choosing between qplot() and ggplot() in ggplot2 [closed]
...
One more variant from me: I use qplot when I'm typing directly into the console, and ggplot when I'm writing scripts. But after finding over and over again that I want to recreate a plot I typed into the console 15 minutes earlier, I write a...
gitignore all files of extension in directory
...s should work fine.
The gitignore(5) man page states:
Patterns read from a .gitignore file in the same directory as the path, or in any parent directory, with patterns in the higher level files (up to the toplevel of the work tree) being overridden by those in lower level files down to the di...
How to print a date in a regular format?
...
You can use from datetime import datetime, and then print datetime().now().strftime("%Y-%m-%d %H:%M"). Only a syntax difference.
– Daniel Magnusson
Nov 19 '13 at 8:44
...
When NOT to use yield (return) [duplicate]
...t get thrown until the iterator is
// iterated, which can be very far away from this method invocation
public IEnumerable<string> Foo(Bar baz)
{
if (baz == null)
throw new ArgumentNullException();
yield ...
}
// DO this
public IEnumerable<string> Foo(Bar baz)
{
if ...