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Setting up foreign keys in phpMyAdmin?
...In the row for PID, choose PARENT->ID from the dropdown and click GO.
By doing an export on the CHILD table, you should see a foreign key constraint has been created for the PID column.
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What is the use of Enumerable.Zip extension method in Linq?
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It iterates through two sequences and combines their elements, one by one, into a single new sequence. So you take an element of sequence A, transform it with the corresponding element from sequence B, and the result forms an element of sequence C.
One way to think about it is that it's sim...
Fill SVG path element with a background-image
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You can do it by making the background into a pattern:
<defs>
<pattern id="img1" patternUnits="userSpaceOnUse" width="100" height="100">
<image href="wall.jpg" x="0" y="0" width="100" height="100" />
</pattern&...
ViewController respondsToSelector: message sent to deallocated instance (CRASH)
...code where this was performed (If this isn't working, you can examine call by selecting it and choosing its counterpart in Extended Detail pane):
This will let you examine all the retainCount lifecycle of object and probably you'll find your problem right away. All you got to do is find missing r...
Matplotlib Legends not working
...answered May 1 '18 at 5:05
Java By KiranJava By Kiran
6711 silver badge22 bronze badges
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What is the `data-target` attribute in Bootstrap 3?
... me what is the system or behavior behind the data-target attribute used by Bootstrap 3?
2 Answers
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What is the exact problem with multiple inheritance?
... of object. Something like this:
class A:
at offset 0 ... "abc" ... 4 byte int field
at offset 4 ... "xyz" ... 8 byte double field
at offset 12 ... "speak" ... 4 byte function pointer
class B:
at offset 0 ... "foo" ... 2 byte short field
at offset 2 ... 2 bytes of alignment pad...
What is wrong with using goto? [duplicate]
... answered Aug 19 '10 at 0:10
Byron WhitlockByron Whitlock
48.4k2626 gold badges112112 silver badges164164 bronze badges
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“Automatic” vs “Automatic (Delayed start)”
...oot" is actually 2 minutes after the last "automatic" service has started, by default. This can be configured by a registry key, according to Windows Internals and other sources (3,4).
The registry keys of interest (At least in some versions of windows) are:
HKLM\SYSTEM\CurrentControlSet\service...
How can I read input from the console using the Scanner class in Java?
... Let's say I only use the scanner once and don't want to clutter my code by initializing an then closing the Scanner - is there a way to get input from the user without constructing a class?
– Nearoo
Oct 13 '17 at 8:12
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