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What is the behavior difference between return-path, reply-to and from?
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258
Let's start with a simple example. Let's say you have an email list, that is going to send out ...
Why can't I use Docker CMD multiple times to run multiple services?
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5 Answers
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Active
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Immutable vs Mutable types
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What? Floats are immutable? But can't I do
x = 5.0
x += 7.0
print x # 12.0
Doesn't that "mut" x?
Well you agree strings are immutable right? But you can do the same thing.
s = 'foo'
s += 'bar'
print s # foobar
The value of the variable changes, but it changes by cha...
How to check which locks are held on a table
...on the version of SQL Server in question.
In your case, for SQL Server 2005, sp_lock is still available, but deprecated, so it's now recommended to use the sys.dm_tran_locks view for this kind of thing. You can find an example of how to "roll your own" sp_lock function here.
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Eclipse ctrl+right does nothing
... the editor specifically (https://bugs.eclipse.org/bugs/show_bug.cgi?id=426557). Sometimes you can find that when you restart can't move with control+arrow in the editor but you can in other views like console window.
You can disable welcome screen ( in most eclipse based IDEs it's a checkbox in th...
Rails 3: Get Random Record
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answered Mar 17 '11 at 16:45
fl00rfl00r
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What is the 'pythonic' equivalent to the 'fold' function from functional programming?
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goetzc
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answered Apr 28 '12 at 18:35
Fred FooFred Foo
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Get exit code of a background process
...# simulate a long process that will have an identifiable exit code
(sleep 15 ; /bin/false) &
my_pid=$!
while ps | grep " $my_pid " # might also need | grep -v grep here
do
echo $my_pid is still in the ps output. Must still be running.
sleep 3
done
echo Oh, it looks like the pro...
How to force LINQ Sum() to return 0 while source collection is empty
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Simon BelangerSimon Belanger
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Given an emacs command name, how would you find key-bindings ? (and vice versa)
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answered Jun 8 '09 at 14:54
Adam RosenfieldAdam Rosenfield
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