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Where does PostgreSQL store the database?
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show data_directory; command points to exact location of data. Searching specific folder is painful as someone else might have installed it for you and now you do not know the configuration, so following sql helps to save the time. :) Thanks Mike.
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Receiver not registered exception error?
...on. In your case you need to just put special try/catch for this exception and ignore it (assuming you can't or don't want to control number of times you call unregisterReceiver on the same recevier).
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How do you find out the type of an object (in Swift)?
... part of your answer is wrong. The 'if let' statement with as? conditional cast does the same as isKindOfClass as well, just also provides the result of the cast should it Succeed.
– awolf
Mar 11 '16 at 18:59
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Configure Sublime Text on OS X to show full directory path in title bar
... edited Feb 29 at 14:28
sandre89
2,6942323 silver badges4747 bronze badges
answered Sep 20 '14 at 12:29
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cleanest way to skip a foreach if array is empty [duplicate]
...item) {
print $item;
}
Note: to all the people complaining about typecast, please note that the OP asked cleanest way to skip a foreach if array is empty (emphasis is mine). A value of true, false, numbers or strings is not considered empty.
In addition, this would work with objects implementi...
How do you uninstall MySQL from Mac OS X?
...ly installed the PowerPC version of MySQL on my Intel Mac in Snow Leopard, and it installed without a problem but of course doesn't run properly. I just didn't pay enough attention. Now when I try to install the correct x86 version it says that it can't install because a newer version is already ins...
How to Sort a List by a property in the object
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One must first test for null on the as cast. Which is the whole point of as, as (ha, ha) (Order)obj throws an exception when it fails. if(orderToCompare == null) return 1;.
– radarbob
Oct 16 '14 at 14:30
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Convert a number range to another range, maintaining ratio
...ng a def renaming to remap (cause map is a built-in) and removing the type casts and curly braces (ie just remove all the 'long's).
Original
long map(long x, long in_min, long in_max, long out_min, long out_max)
{
return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
Pytho...
Create a new object from type parameter in generic class
...r, even in JavaScript. If you have a class Foo{ method() { return true; }, casting {} to T will not give you this method!
– JCKödel
Apr 26 '19 at 16:12
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postgresql port confusion 5433 or 5432?
...at is actually running using the netstat tool (available on OS X, Windows, and Linux, with command line syntax varying across all three).
This is further complicated on Mac OS X systems by the horrible mess of different PostgreSQL packages - Apple's ancient version of PostgreSQL built in to the OS,...
