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How to avoid mysql 'Deadlock found when trying to get lock; try restarting transaction'
...k two locks at opposite orders, ie:
connection 1: locks key(1), locks key(2);
connection 2: locks key(2), locks key(1);
If both run at the same time, connection 1 will lock key(1), connection 2 will lock key(2) and each connection will wait for the other to release the key -> deadlock.
Now, if ...
nvm keeps “forgetting” node in new terminal session
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1212
+50
Try nvm...
C Macro definition to determine big endian or little endian machine?
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102
Code supporting arbitrary byte orders, ready to be put into a file called order32.h:
#ifndef OR...
Properties order in Margin
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Margin="1,2,3,4"
Left,
Top,
Right,
Bottom
It is also possible to specify just two sizes like this:
Margin="1,2"
Left AND right
Top AND bottom
Finally you can specify a single size:
Margin="1"
used for all sides
The o...
When should I use perror(“…”) and fprintf(stderr, “…”)?
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edited Aug 22 '16 at 20:11
Jonathan Lam
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Get selected value in dropdown list using JavaScript
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28 Answers
28
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When should the volatile keyword be used in C#?
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276
I don't think there's a better person to answer this than Eric Lippert (emphasis in the origin...
How to reset / remove chrome's input highlighting / focus border? [duplicate]
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edited Aug 8 '16 at 14:20
Andrew Tobilko
42.5k1111 gold badges6666 silver badges119119 bronze badges
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Sort an array in Java
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206
Loops are also very useful to learn about, esp When using arrays,
int[] array = new int[10];
...
How to pinch out in iOS simulator when map view is only a portion of the screen?
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253
You can move the two gray circles that represent your fingers around the screen by holding Opt...