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Change priorityQueue to max priorityqueue
... +1;
if (lhs.equals(rhs)) return 0;
return -1;
}
});
Now, the priority queue will reverse all its comparisons, so you will get the maximum element rather than the minimum element.
Hope this helps!
shar...
android splash screen sizes for ldpi,mdpi, hdpi, xhdpi displays ? - eg : 1024X768 pixels for ldpi
... reason you should increase +2 pixel your canvas size's width and height ( now your image sizes are 722 x 1282 ).
I've left the blank 1 pixel gap at every side as directed the below.
Changing the canvas size by using Photoshop:
- Open a splash screen png file in Photoshop
- Click onto the lock ...
Are duplicate keys allowed in the definition of binary search trees?
...se problems. Imagine your tree rule is this:
left < root <= right
Now imagine a simple tree whose root is 5, left child is nil, and right child is 5. If you do a left rotation on the root you end up with a 5 in the left child and a 5 in the root with the right child being nil. Now somethi...
Replacing a fragment with another fragment inside activity group
...ly cannot replace a fragment, but rather you can manually remove the views now present in the container and put a fragment there instead if required.
– Subin Sebastian
Dec 21 '15 at 6:40
...
SQL injection that gets around mysql_real_escape_string()
...5.6 by default: big5, cp932, gb2312, gbk and sjis. We'll select gbk here.
Now, it's very important to note the use of SET NAMES here. This sets the character set ON THE SERVER. If we used the call to the C API function mysql_set_charset(), we'd be fine (on MySQL releases since 2006). But more on wh...
Understanding $.proxy() in jQuery
...setTimeout($.proxy(function() {
$(this).addClass('aNewClass'); // Now "this" is again our element
}, this), 1000);
// ---^--------------and tell it that we want our DOM element to be the
// value of "this" in the function
});
So after we gave $.proxy() the f...
Difference between static STATIC_URL and STATIC_ROOT on Django
...es for deployment.
Example: STATIC_ROOT="/var/www/example.com/static/"
now the command ./manage.py collectstatic will copy all the static files(ie in static folder in your apps, static files in all paths) to the directory /var/www/example.com/static/. now you only need to serve this directory on...
Abstract functions in Swift Language
...abstractFunction. The protocol would stay the same, and the classes would now look like:
class BaseThing
{
func sharedFunction(thing: Thing)
{
println("All classes share this implementation")
thing.abstractFunction()
}
}
class DerivedThing : BaseThing, Thing
{
fun...
What does FETCH_HEAD in Git mean?
...is a tag for a version of the software. To my surprise, release_1 was then nowhere to be found on my local machine. I had to type
git tag release_1 FETCH_HEAD
to complete the copy of the tagged chain of commits (release_1) from the remote repository to the local one. Fetch had found the remote ...
Running PostgreSQL in memory only
...a little easier with the advent of include_dir support in postgresql.conf; now you can just append one line, then write a generated config file for all the rest.
Faster testing with PostgreSQL
For more information about how to safely improve the performance of PostgreSQL for testing purposes, see ...