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MySQL: Invalid use of group function
...c2 -- from catalog
WHERE c2.pid = c1.pid
HAVING COUNT(c2.sid) >= 2)
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Forking from GitHub to Bitbucket
...re are the steps:
Click on the Create button and select Repository ('+' > Repository)
Now, instead of creating a new repository select a import repository from the top right corner of the modal that pops up.
fill in your github repo's URL and your authentication credentials on the new modal for...
How to filter None's out of List[Option]?
...nt to get rid of the options at the same time, you can use flatten:
scala> someList.flatten
res0: List[String] = List(Hello, Goodbye)
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How to get the absolute coordinates of a view
... location, so here is a little more detail. You pass in an int array of length 2 and the values are replaced with the view's (x, y) coordinates (of the top, left corner).
int[] location = new int[2];
myView.getLocationOnScreen(location);
int x = location[0];
int y = location[1];
Notes
Replacing...
Cannot run Eclipse; JVM terminated. Exit code=13
...olic links to the newest java 8 JRE installation in (x86) program folder -> hence to a 32 bit java JRE. Oracle replaces with Java8 the old technique having the symlinks in system32 (64bit) resp. SysWOW64 (32bit).
Meanwhile I learned. Whatever java installer you have executed last (the *.exe) lea...
Python idiom to return first item or None
...
@steveha: bool(lst) tells us whether len(lst) > 0 it doesn't tell us anything about what items lst contains e.g., bool([False]) == True; therefore the expression [False] or [] returns [False], the same is for [0] or [] it returns [0].
– jfs
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How to run a Runnable thread in Android at defined intervals?
...ds. Internally though, a condition such as if ((currenttime - lastruntime)>1000) will work fine when run durations are less than or equal to 1000ms, however, when this is exceeded, surely the timer is going to be occuring at non linear intervals dependant entirely on execution time of the run met...
Is there an equivalent to 'continue' in a Parallel.ForEach?
...on would be rewritten as:
Parallel.ForEach(items, parallelOptions, item =>
{
//Skip an item by applying the opposite condition used for continue on all items until the end of the foreach
if (isTrue)
{
//Do what you want to do for all items
}
});
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NGinx Default public www location?
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nginx -V 2>&1 | grep --color -o -e '--prefix=[^[:space:]]\+' gives you the nginx HOME.
– sjas
May 22 '19 at 11:47
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How do I correctly detect orientation change using Phonegap on iOS?
...and actualizing window dimensions:
window.addEventListener('resize', () => {
console.log(`Actual dimensions: ${window.innerWidth}x${window.innerHeight}`);
console.log(`Actual orientation: ${screen.orientation ? screen.orientation.angle : window.orientation}`);
});
Note 1: I used EcmaScript...