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What is P99 latency?
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201
It's 99th percentile. It means that 99% of the requests should be faster than given latency. In...
Extracting substrings in Go
... Denys SéguretDenys Séguret
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11
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rails 3 validation on uniqueness on multiple attributes
I use Rails 3.0.0.beta4
3 Answers
3
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is_file or file_exists in PHP
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answered Apr 27 '09 at 10:00
hbwhbw
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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...
npm install vs. update - what's the difference?
...in package.json:
{
"name": "my-project",
"version": "1.0", // install update
"dependencies": { // ------------------
"already-installed-versionless-module": "*", // ignores "1.0" -> "1.1"
"already...
How to optimize for-comprehensions and loops in Scala?
... positive number that is evenly divisible by all of the numbers from 1 to 20?"
8 Answers
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ggplot2 plot without axes, legends, etc
...ve a lot of this stuff using element_blank:
dat <- data.frame(x=runif(10),y=runif(10))
p <- ggplot(dat, aes(x=x, y=y)) +
geom_point() +
scale_x_continuous(expand=c(0,0)) +
scale_y_continuous(expand=c(0,0))
p + theme(axis.line=element_blank(),axis.text.x=element_...
How to use the 'sweep' function
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edited Jul 25 '19 at 10:13
Rekyt
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answered May 3 '11 at 17:52
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Create a completed Task
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answered Nov 22 '10 at 13:51
QrystaLQrystaL
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