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Change priorityQueue to max priorityqueue
...ike this:
PriorityQueue<Integer> queue = new PriorityQueue<>(10, Collections.reverseOrder());
queue.offer(1);
queue.offer(2);
queue.offer(3);
//...
Integer val = null;
while( (val = queue.poll()) != null) {
System.out.println(val);
}
The Collections.reverseOrder() provides a Comp...
SQL error “ORA-01722: invalid number”
...
An ORA-01722 error occurs when an attempt is made to convert a character string into a number, and the string cannot be converted into a number.
Without seeing your table definition, it looks like you're trying to convert the numer...
IOCTL Linux device driver [closed]
... device-specific system call. There are only a few system calls in Linux (300-400), which are not enough to express all the unique functions devices may have. So a driver can define an ioctl which allows a userspace application to send it orders. However, ioctls are not very flexible and tend to get...
What does Visual Studio mean by normalize inconsistent line endings?
... |
edited Jul 6 '13 at 0:06
answered Feb 16 '09 at 15:02
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How to cancel a local git commit
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edited Jul 10 '15 at 18:42
awilkinson
1,2791212 silver badges2222 bronze badges
answered J...
Set ImageView width and height programmatically?
... to set the height of the ImageView:
imageView.getLayoutParams().height = 20;
Important. If you're setting the height after the layout has already been 'laid out', make sure you also call:
imageView.requestLayout();
share
...
.htaccess - how to force “www.” in a generic way?
...{HTTPS}s ^on(s)|
RewriteRule ^ http%1://www.%{HTTP_HOST}%{REQUEST_URI} [R=301,L]
The first condition checks whether the Host value is not empty (in case of HTTP/1.0); the second checks whether the the Host value does not begin with www.; the third checks for HTTPS (%{HTTPS} is either on or off, so...
Python add item to the tuple
...
308
You need to make the second element a 1-tuple, eg:
a = ('2',)
b = 'z'
new = a + (b,)
...
How can I get the browser's scrollbar sizes?
...th () {
var inner = document.createElement('p');
inner.style.width = "100%";
inner.style.height = "200px";
var outer = document.createElement('div');
outer.style.position = "absolute";
outer.style.top = "0px";
outer.style.left = "0px";
outer.style.visibility = "hidden";
outer.styl...