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Seeing escape characters when pressing the arrow keys in python shell
...ell, you can usually use the arrow keys to move around in the current line or get previous commands (with arrow-up) etc.
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Is there Selected Tab Changed Event in the standard WPF Tab Control
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I tied this in the handler to make it work:
void TabControl_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (e.Source is TabControl)
{
//do work when tab is changed
}
}
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How to view the SQL queries issued by JPA?
...=INFO,Tool=INFO,SQL=TRACE"/>
DataNucleus (see here):
Set the log category DataNucleus.Datastore.Native to a level, like DEBUG.
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Scala best way of turning a Collection into a Map-by-key?
... Be aware that this is a quadratic operation, but the same goes for most other variants given here. Looking at the source code of scala.collection.mutable.MapBuilder etc, it seems to me that for each tuple, a new immutable map is created to which the tuple is added.
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How to allow remote connection to mysql
...d locally:
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'password' WITH GRANT OPTION;
FLUSH PRIVILEGES;
And then find the following line and comment it out in your my.cnf file, which usually lives on /etc/mysql/my.cnf on Unix/OSX systems. In some cases the location for the file is /e...
Determine path of the executing script
... foo.R that includes another script other.R , which is in the same directory:
27 Answers
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Can Google Chrome open local links?
...an't link to file:/// from an HTML document that is not itself a file:/// for security reasons.
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How can I calculate the difference between two dates?
How can I calculate the days between 1 Jan 2010 and (for example) 3 Feb 2010?
9 Answers
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Convert a Scala list to a tuple?
... of a tuple must be encoded in its type, and hence known at compile time. For example, (1,'a',true) has the type (Int, Char, Boolean), which is sugar for Tuple3[Int, Char, Boolean]. The reason tuples have this restriction is that they need to be able to handle a non-homogeneous types.
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Encrypt and decrypt a string in C#?
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EDIT 2013-Oct: Although I've edited this answer over time to address shortcomings, please see jbtule's answer for a more robust, informed solution.
https://stackoverflow.com/a/10366194/188474
Original Answer:
Here's a working example derived from the "RijndaelManaged Class" documentation and ...