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implements Closeable or implements AutoCloseable
...ources which needs to be closed.
In your implementation, it is enough to call pw.close(). You should do this in a finally block:
PrintWriter pw = null;
try {
File file = new File("C:\\test.txt");
pw = new PrintWriter(file);
} catch (IOException e) {
System.out.println("bad things happen")...
EOL conversion in notepad ++
..., when I open files from a unix server on my windows machine, they occasionally have Macintosh EOL conversion, and when I edit/save them again they don't work properly on the unix server. I only use notepad ++ to edit files from this unix server, so is there a way to create a macro that automatical...
What is the difference between inversedBy and mappedBy?
... @PeterWooster, best practice is to use Annotations, as you have all info about the entity in one place then!
– Andreas Linden
Jan 22 '13 at 9:57
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What is offsetHeight, clientHeight, scrollHeight?
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To know the difference you have to understand the box model, but basically:
clientHeight:
returns the inner height of an element in pixels, including padding but not the horizontal scrollbar height, border, or margin
offsetHeight:
is a measurement which includes the element borders, ...
Extract numbers from a string
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$str = 'In My Cart : 11 12 items';
preg_match_all('!\d+!', $str, $matches);
print_r($matches);
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Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?
...rrect; you cannot truncate a table which has an FK constraint on it.
Typically my process for this is:
Drop the constraints
Trunc the table
Recreate the constraints.
(All in a transaction, of course.)
Of course, this only applies if the child has already been truncated. Otherwise I go a differ...
Type List vs type ArrayList in Java [duplicate]
...tations of the List interface can be swapped. It seems that (1) is typically used in an application regardless of need (myself I always use this).
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List to array conversion to use ravel() function
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Actually, myarray = np.array(mylist) should be enough.
– fgb
Apr 7 '13 at 22:23
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moveCamera with CameraUpdateFactory.newLatLngBounds crashes
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You can use simple newLatLngBounds method in OnCameraChangeListener. All will be working perfectly and you don't need to calculate screen size. This event occurs after map size calculation (as I understand).
Example:
map.setOnCameraChangeListener(new OnCameraChangeListener() {
@Override...
Can I use non existing CSS classes?
... of rules for handling parsing errors, none of which concern the markup at all. Essentially, this means HTML and CSS are completely independent of each other in the validity aspect.1
Once you understand that, it becomes clear that there is no side effect of not defining a .target rule in your style...