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How to check if variable's type matches Type stored in a variable
...rom:
bool b9 = typeof(Tiger).IsAssignableFrom(x.GetType()); // true
bool b10 = typeof(Animal).IsAssignableFrom(x.GetType()); // true! A variable of type Animal may be assigned a Tiger.
or with the type variable
bool b11 = t.IsAssignableFrom(x.GetType()); // true
bool b12 = t.IsAssignableFrom(x.Get...
dealloc in Swift
...ibrary/content/releasenotes/Foundation/RN-FoundationOlderNotes/index.html#X10_11Notes
NSNotificationCenter
In OS X 10.11 and iOS 9.0 NSNotificationCenter and NSDistributedNotificationCenter will no longer send notifications to registered observers that may be deallocated. If the observer is able to...
Rails detect if request was AJAX
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edited Jul 10 '15 at 16:46
answered Nov 22 '11 at 1:08
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CocoaPods - use specific pod version
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answered May 26 '13 at 10:25
MarcelMarcel
5,40211 gold badge2424 silver badges3939 bronze badges
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Creating SolidColorBrush from hex color value
...5
Noctis
10.7k33 gold badges3535 silver badges7171 bronze badges
answered Apr 8 '12 at 19:28
Mahesha999Mahesha...
SQLite - replace part of a string
...ey are relative (instead of absolute). See stackoverflow.com/questions/50161090/…
– MShekow
May 4 '18 at 4:29
add a comment
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Run task only if host does not belong to a group
...sts file like this:
[vagrant:vars]
test_var=true
[location-1]
192.168.33.10 hostname=apollo
[location-2]
192.168.33.20 hostname=zeus
[vagrant:children]
location-1
location-2
And run tasks like this:
- name: "test"
command: "echo {{test_var}}"
when: test_var is defined and test_var
...
How to get current location in Android [duplicate]
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edited Jul 11 '13 at 10:54
answered Jul 11 '13 at 10:47
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Rails: create on has_one association
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answered Oct 1 '10 at 13:59
sepp2ksepp2k
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How to check for Is not Null And Is not Empty string in SQL server?
...s UNKNOWN for these rather than TRUE.
CREATE TABLE T
(
C VARCHAR(10)
);
INSERT INTO T
VALUES ('A'),
(''),
(' '),
(NULL);
SELECT *
FROM T
WHERE C <> ''
Returns just the single row A. I.e. The rows with NULL or an empty strin...