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When to use RDLC over RDL reports?
...ol over your data, you may be able to save yourself wasted database trips, etc. by using client side reports. On the project I'm currently working on, a critical report requires about 2 minutes to render on the server side, and pretty much takes out whichever reporting server it hits for that time....
How to get a reversed list view on a list in Java?
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Unlike Collections.reverse, this is purely a view... it doesn't alter the ordering of elements in the original list. Additionally, with an original list that is modifiable, changes to both the original list and the view are reflected in the other.
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Stacking Divs from Bottom to Top
...eight, the child divs will appear from top to bottom, sticking at the top border.
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Rails migration for has_and_belongs_to_many join table
...r_id:integer
(note the table name lists both join tables in alphabetical order)
and then for rails 3 and below only, you need to edit your generated migration so an id field is not created:
create_table :students_teachers, :id => false do |t|
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How to change the session timeout in PHP?
...gc_probability=0 by default in the configuration, and is instead done via /etc/cron.d/php, which runs at XX:09 and XX:39 (that is, every half hour). This cron job looks for sessions older than the session.gc_maxlifetime specified in the configuration, and if any are found, they are deleted. As a con...
What is the equivalent of MATLAB's repmat in NumPy
...n no longer assert that repmat and tile are equivalent instructions.
In order to get tile to behave like repmat, in Python one has to make sure that the input matrix has as many dimensions as the elements are in the sequence. This is done, for example, by a little preconditioning and creating a r...
How to reset or change the MySQL root password?
...Enter the following lines in your terminal.
Stop the MySQL Server: sudo /etc/init.d/mysql stop
Start the mysqld configuration: sudo mysqld --skip-grant-tables &
In some cases, you've to create the /var/run/mysqld first:
sudo mkdir -v /var/run/mysqld && sudo chown mysql /var/run/mysql...
How to quit a java app from within the program
..., as is usual for applications with a graphical user interface (AWT, Swing etc.). For these applications, you either find a way to end the GUI event loop (don't know if that is possible with the AWT or Swing), or invoke System.exit().
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Disable ScrollView Programmatically?
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@Machado The reason you must return true in order to block scrolling is because the touch listener takes the boolean value returned in order to determine whether or not the touch event should consumed or not. If you return false the scroll view will then proceed to pa...
Normalization in DOM parsing with java - how does it work?
...nd the same goes for attributes: <foo bar="Hello world"/>, comments, etc.
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