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Android: Rotate image in imageview by an angle
...t) angle, pivotX, pivotY);
imageView.setImageMatrix(matrix);
This method does not require creating a new bitmap each time.
NOTE: To rotate an ImageView on ontouch at runtime you can
set onTouchListener on ImageView & rotate it by adding last two
lines(i.e. postRotate matrix & set...
Scanner is skipping nextLine() after using next() or nextFoo()?
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That's because the Scanner.nextInt method does not read the newline character in your input created by hitting "Enter," and so the call to Scanner.nextLine returns after reading that newline.
You will encounter the similar behaviour when you use Scanner.nextLine aft...
How to scroll to top of page with JavaScript/jQuery?
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@Yarin, Good point. I updated my post. Does that answer your question?
– RayLoveless
Nov 20 '19 at 22:25
add a comment
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How to color System.out.println output? [duplicate]
...ash or zsh; if you still do not see any color, then your terminal probably does not support ANSI escape sequences.
If I recall correctly, linux terminals tend to support both \e and \x1b escape sequences, while os x terminals only tend to support \e, but I may be wrong. Nonetheless, if you see some...
Are PDO prepared statements sufficient to prevent SQL injection?
...->execute()
The important thing to realize here is that PDO by default does NOT do true prepared statements. It emulates them (for MySQL). Therefore, PDO internally builds the query string, calling mysql_real_escape_string() (the MySQL C API function) on each bound string value.
The C API call ...
How to call a method after bean initialization is complete?
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@PostConstruct doesn't work with a transactional manager, see: forum.spring.io/forum/spring-projects/data/…
– mmm
Jan 15 '15 at 11:17
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Is there a fixed sized queue which removes excessive elements?
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Actually the LinkedHashMap does exactly what you want. You need to override the removeEldestEntry method.
Example for a queue with max 10 elements:
queue = new LinkedHashMap<Integer, String>()
{
@Override
protected boolean removeE...
A quick and easy way to join array elements with a separator (the opposite of split) in Java [duplic
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how does it work if one of elements is null or "" ?Just the delimiter will be returned?? It's not so good
– svichkar
Aug 19 '16 at 7:38
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Flexbox Not Centering Vertically in IE
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This solution doesn't work when the content is larger than the min-height. The min-height does indeed override the height rule, but if the content exceeds the min-height it will simply extend outside the bounds. The answer by @ericodes sol...
Catch a thread's exception in the caller thread in Python
... as you make sure that run() completes right after the exception (which it does in this simple example). Then you simply re-raise the exception after (or during) t.join(). There are no synchronization problems because join() makes sure the thread has completed. See answer by Rok Strniša below stack...