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No appenders could be found for logger(log4j)?
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It looks like you need to add the location of your log4j.properties file to the Classpath in Eclipse.
Make sure your project is open in Eclipse, then click on the "Run" menu at the top of Eclipse and click on the following:
Run
Run Configura...
How do you validate a URL with a regular expression in Python?
...ilding an app on Google App Engine. I'm incredibly new to Python and have been beating my head against the following problem for the past 3 days.
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Show filename and line number in grep output
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This answer worked out also for me. I was in need of searching recursively and used this example command: grep -Hnor "localhost" . This listet up all matches with file name and line number, short and concise.
– Tore Aurstad
Sep 10 ...
Eclipse, where to change the current debug line background?
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Ok, now I found it myself (through major reverse engineering). It is in General\Editors\Text Editors\Annotations page. It's called "Debug Current Instruction Pointer"
share
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im...
Is there a TRY CATCH command in Bash
I'm writing a shell script and need to check that a terminal app has been installed. I want to use a TRY/CATCH command to do this unless there is a neater way.
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Example invalid utf8 string?
I'm testing how some of my code handles bad data, and I need a few series of bytes that are invalid UTF-8.
5 Answers
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How to generate UML diagrams (especially sequence diagrams) from Java code?
...e and libraries are the model that is displayed, they are not reverse engineered into a different format.
If you update your code in Eclipse, your diagram is updated as well; there is no need to reverse engineer source code.
Refactoring updates your diagram as well as your source code. When you ...
When and how should I use a ThreadLocal variable?
... DateFormats local because they are expensive to create, but I have never seen solid metrics on this topic.
– Julien Chastang
May 4 '09 at 3:39
19
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“new” keyword in Scala
...ct Foo {
def apply() = new Foo
}
So you can do
f = Foo()
Lastly, keep in mind that there's no rule that says that the companion apply
method has to be a proxy for the constructor:
class Foo { }
object Foo {
def apply() = 7
}
// These do different things
> println(new Foo)
test@5c79...
javax.faces.application.ViewExpiredException: View could not be restored
...redirect user to for example index.xhtml or login.xhtml and save him from seeing that error page/message?
10 Answers
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