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Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails
I'm having a bit of a strange problem. I'm trying to add a foreign key to one table that references another, but it is failing for some reason. With my limited knowledge of MySQL, the only thing that could possibly be suspect is that there is a foreign key on a different table referencing the one I ...
vs.
...embed-element
– Drew LeSueur
Jun 1 '10 at 8:22
7
Even though <embed> is part of HTML5 stand...
Applying a git post-commit hook to all current and future repos
...t install directory under mingw64\share\templates\hooks (or mingw32 for 32-bit)
– nerdherd
Sep 3 '15 at 17:32
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How to print Boolean flag in NSLog?
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No, the type of BOOL depends on your compiler (32 vs 64 bit), and is often not the same type as bool. bool, on the other hand, is bool, which is a standard type, and not the same as signed char.
– gnasher729
May 6 '15 at 17:48
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Maximum length of HTTP GET request
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answered Apr 17 '10 at 20:44
BalusCBalusC
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How do I change the font size of a UILabel in Swift?
...gets immediately reset to 17.0 before the label gets redrawn. So there's a bit more to it than that to actually see a different font size on the screen.
– Jay
Jun 23 '14 at 0:19
1
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Xcode doesn't show the line that causes a crash
...l :(
– Shereef Marzouk
Sep 9 '14 at 10:22
1
This works, but the downside is it not longer outputs...
How to enable C++11 in Qt Creator?
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...\Qt\{5.9; or your version}\mingw{53_32; or your
version}\mkspecs\win32-g++\qmake.conf:
Then at the line:
QMAKE_CFLAGS += -fno-keep-inline-dllexport
Edit :
QMAKE_CFLAGS += -fno-keep-inline-dllexport -std=c++11
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NSObject +load and +initialize - What do they do?
...ories define the same method on the same class, one of the methods will “win” and be used, and the other method will never be called.
The initialize Method
The runtime calls the initialize method on a class object just before sending the first message (other than load or initialize) to the cla...
How does the const constructor actually work?
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const is a nice performance win for Flutter widgets according to medium.com/@mehmetf_71205/inheriting-widgets-b7ac56dbbeb1 "Use const to build your widgets Without const, selective rebuilding of the sub-tree does not happen. Flutter creates a new insta...