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How to do URL decoding in Java?
...not going to happen - value came from JDK's own StandardCharsets
}
Java 10 added direct support for Charset to the API, meaning there's no need to catch UnsupportedEncodingException:
String result = java.net.URLDecoder.decode(url, StandardCharsets.UTF_8);
Note that a character encoding (such as...
linux: kill background task
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answered Oct 26 '09 at 13:14
falstrofalstro
30.6k88 gold badges6565 silver badges8585 bronze badges
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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”
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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...
ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
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halfer
18.1k1010 gold badges7373 silver badges146146 bronze badges
answered Feb 2 '14 at 6:33
ekwatersekwaters
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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...
How to implement history.back() in angular.js
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10 Answers
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When to use nested classes and classes nested in modules?
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Soviut
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answered Jun 1 '11 at 2:51
Pan ThomakosPan Th...
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();
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