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Why does pattern matching in Scala not work with variables?
...sense that the default behaviour is for lowercase patterns to be variables and not stable identifiers. Only when you see something beginning with upper case, or in back ticks, do you need to be aware that it comes from the surrounding scope.
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How to instantiate non static inner class within a static method?
...).
If you make your inner class "static" then there is no hidden pointer and your inner class cannot reference members of the outer class. A static inner class is identical to a regular class, but its name is scoped inside the parent.
Here is a snippet of code that demonstrates the syntax for cre...
javac error: Class names are only accepted if annotation processing is explicitly requested
... to include the .java suffix when compiling the program. Remember, the command is javac HelloWorldApp.java not javac HelloWorldApp.
Also, in your second javac-example, (in which you actually included .java) you need to include the all required .jar-files needed for compilation.
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psql - save results of command to a file
I'm using psql's \dt to list all tables in a database and I need to save the results.
10 Answers
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URL encode sees “&” (ampersand) as “&” HTML entity
... answered Aug 22 '10 at 13:59
Andy EAndy E
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How to support UTF-8 encoding in Eclipse
...ered Feb 7 '12 at 17:41
Sajan ChandranSajan Chandran
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git pull VS git fetch Vs git rebase
...on that you're actually just asking about the difference between git merge and git rebase.
So let's suppose you're in the common case - you've done some work on your master branch, and you pull from origin's, which also has done some work. After the fetch, things look like this:
- o - o - o - H -...
Window Height=“Auto” not working as expected
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Set the window's property SizeToContent="WidthAndHeight". This should help.
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Assign output to variable in Bash
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Is there a way to suppress the output and progress bar of curl? Adding -silent leaves $IP empty...
– Dror
Jul 14 '14 at 8:30
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Tuning nginx worker_process to obtain 100k hits per min
...vailable
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worker_rlimit_nofile 20000; # Each connection needs a filehandle (or 2 if you are proxying)
# Total amount of users you can serve = worker_processes * worker_connections
more info: Optimizing nginx for high traffic loads
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