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get all keys set in memcached
...l google group discussion here)
First, Telnet to your server:
telnet 127.0.0.1 11211
Next, list the items to get the slab ids:
stats items
STAT items:3:number 1
STAT items:3:age 498
STAT items:22:number 1
STAT items:22:age 498
END
The first number after ‘items’ is the slab id. Request a ...
RootViewController Switch Transition Animation
... block:
[UIView transitionWithView:self.window
duration:0.5
options:UIViewAnimationOptionTransitionFlipFromLeft
animations:^{ self.window.rootViewController = newViewController; }
completion:nil];
...
Why does ~True result in -2?
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240
int(True) is 1.
1 is:
00000001
and ~1 is:
11111110
Which is -2 in Two's complement1
1 Fl...
The thread has exited with code 0 (0x0) with no unhandled exception
...
BlueMBlueM
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add a com...
Insert text into textarea with jQuery
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edited Jun 3 '09 at 19:31
answered Jun 3 '09 at 19:22
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
...t has 4 lines, each holding 64 bytes. We first attempt to read the address 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 th...
Pythonic way of checking if a condition holds for any element of a list
...
any():
if any(t < 0 for t in x):
# do something
Also, if you're going to use "True in ...", make it a generator expression so it doesn't take O(n) memory:
if True in (t < 0 for t in x):
...
find -exec cmd {} + vs | xargs
...
107
Speed difference will be insignificant.
But you have to make sure that:
Your script will not...
Multidimensional Array [][] vs [,] [duplicate]
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501
One is an array of arrays, and one is a 2d array. The former can be jagged, the latter is unif...
How to handle more than 10 parameters in shell
I am using bash shell on linux and want to use more than 10 parameters in shell script
2 Answers
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