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How do I create and access the global variables in Groovy?
...ipt in itself is a class with a method that will run the code, but that is all done runtime. We can define a variable to be scoped to the script by either omitting the type definition or in Groovy 1.8 we can add the @Field annotation.
import groovy.transform.Field
var1 = 'var1'
@Field String var2 ...
Bash if [ false ] ; returns true
...ce "false" is a non-empty string, the test command always succeeds. To actually run the command, drop the [ command.
if false; then
echo "True"
else
echo "False"
fi
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How can I center a div within another div? [duplicate]
...ing: 10px;
position: relative;
}
The CSS reference by MDN explains it all.
Check out these links:
auto - CSS reference | MDN
margin - CSS reference | MDN
What is the meaning of auto value in a CSS property - Stack Overflow
In action at jsFiddle.
...
Landscape printing from HTML
...s maybe why Google Documents creates a PDF when print is selected and then allows the user to open and print that.
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Delegates: Predicate vs. Action vs. Func
...
Predicate: essentially Func<T, bool>; asks the question "does the specified argument satisfy the condition represented by the delegate?" Used in things like List.FindAll.
Action: Perform an action given the arguments. Very general purpos...
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?
... the size of the user interface to the iPad's window size, the user is normally unable to scroll. In other words, if I set the window's scrollTop, it will remain at 0.
If, on the other hand, the keyboard is shown, scrolling suddenly works. So I can set scrollTop, immediately test its value, and the...
How do I unbind “hover” in jQuery?
...
Actually, the jQuery documentation has a more simple approach than the chained examples shown above (although they'll work just fine):
$("#myElement").unbind('mouseenter mouseleave');
As of jQuery 1.7, you are also able use $....
CSS: Animation vs. Transition
...ed, or vice versa.
If you want to perform something that does not specifically involve a start state and an end state, or you need more fine grain control over the keyframes in a transition, then you've got to use an animation.
...
How to alter a column and change the default value?
...t use this if you need to change only the DEFAULT value. This will process all the rows of the table for nothing (very long on huge tables). Use instead ALTER TABLE <table_name> ALTER COLUMN <column_name> SET DEFAULT <value> which is instant.
– dolmen
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Beautiful Soup and extracting a div and its contents by ID
... Well, then it's impossible to answer your question, crystal balls are not a reliable way of debugging. :)
– Lukáš Lalinský
Jan 25 '10 at 23:00
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