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How to debug Lock wait timeout exceeded on MySQL?
...302d303030312d336632662d353239626433653361333032; asc eff528cb-7f00-0001-3f2f-529bd3e3a302;; 6: len 40; hex 36646234376337652d376630302d303030312d353166322d3431326132346664656366352e6d7033; asc 6db47c7e-7f00-0001-51f2-412a24fdecf5.mp3;; 7: len 21; hex 416e67656c73204e6f7720436f6e666572656e6365; asc ...
How do I plot in real-time in a while loop using matplotlib?
...fig.canvas.draw()
plt.close(fig)
print "Blit = %s, average FPS: %.2f" % (
str(doblit), niter / (time.time() - tic))
if __name__ == '__main__':
run(doblit=False)
run(doblit=True)
Output:
Blit = False, average FPS: 54.37
Blit = True, average FPS: 438.27
...
How does this giant regex work?
...ds3ZmmcsBkOYW5m8FidO313QSe0USfQH8ACMDfhyUj1qBwFUuh7AcTmCzcUIO69twFQkGj7p68Z2fIlzzVCWdAlUg7fM/2qG7z0EHqOYg34xVmG47vWwBY0UZNtuOADtF1qvn8iK37Y1mKj2lDz3eZE8OM2gNaIwZzp8PeetP5DTQFlDeAZTB2ob8GHDS6jWJ3ItFhRrZ+7fCaA84IKx7M3CnA43KYbXf2bzYCXmbrHkMC3KmgBhmAAytkQ+QJqCtMJR4vXqCjhA22jvMwG7L1mQsT+nr9Sb1ehwpGJoIkcy...
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
...0x2710, which goes in set 28. And then we also attempt to read addresses 0x2F00, 0x3700, 0x3F00 and 0x4700. All of these belong to the same set. Before reading 0x4700, all lines in the set would have been occupied. Reading that memory evicts an existing line in the set, the line that initially was h...
深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...[0x2e]=64-Bit Interrupt Gate target=0x0010:fffff80003bf22e0, DPL=0
IDT[0x2f]=64-Bit Interrupt Gate target=0x0010:fffff80003b09590, DPL=0
IDT[0x30]=64-Bit Interrupt Gate target=0x0010:fffff80003bf2300, DPL=0
上面的粗体显示 interrupt gate 被设置为 3 级，在 windows 7 x64 ...
Good way of getting the user's location in Android
... if (location.hasBearing())
sb.append(String.format(" bearing=%.2f", location.getBearing()));
return sb.toString();
}
private enum LocationQuality {
BAD, ACCEPTED, GOOD;
public String toString() {
if (this == GOOD) return "Good";
else if (this == ACCEPTED) re...
How to install mongoDB on windows?
... a simple utube video for windows installation - youtube.com/watch?v=msQ2F5XUgms
– Linus
Apr 23 '17 at 2:41
1
...
Is JavaScript a pass-by-reference or pass-by-value language?
... happening if you name the function params things like numf, obj1f, and obj2f. Then you see that the params were hiding the external var names.
– jinglesthula
Jan 30 '12 at 19:26
1...
SQL injection that gets around mysql_real_escape_string()
... @shadyyx: As for passing such funkiness in $_GET... ?var=%BF%27+OR+1=1+%2F%2A in the URL, $var = $_GET['var']; in the code, and Bob's your uncle.
– cHao
Dec 27 '12 at 6:15
...
Why is a round-trip conversion via a string not safe for a double?
...xbebc200000000000),
/*9*/ I64(0xee6b280000000000),
/*10*/ I64(0x9502f90000000000),
/*11*/ I64(0xba43b74000000000),
/*12*/ I64(0xe8d4a51000000000),
/*13*/ I64(0x9184e72a00000000),
/*14*/ I64(0xb5e620f480000000),
/*15*/ I64(0xe35fa931a0000000),
// powers of 0.1
/*1...