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Serving static files with Sinatra
...e index document.
require 'rubygems'
require 'sinatra'
get '/' do
File.read(File.join('public', 'index.html'))
end
Routes should return a String which become the HTTP response body. File.read opens a file, reads the file, closes the file and returns a String.
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How can I pipe stderr, and not stdout?
...edirect stderr to stdout and then stdout to /dev/null' -- Since one has to read redirection chains from right to left (not from left to right), we should also adapt our plain text explanation to this: 'Redirect stdout to /dev/null, and then stderr to where stdout used to be'.
–...
When do I really need to use atomic instead of bool? [duplicate]
...stinctly different instruction on the hardware than the native, non-atomic read-modify-write sequence of a non-atomic variable.
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Git Commit Messages: 50/72 Formatting
...ak.
This is a thought, perhaps an explanation of what I have done in human readable format. It may be complex and long consisting of several sentences that describe my work in essay format. It is not up to me to decide now (at author time) how the user is going to consume this data.
Two line brea...
How do you add swap to an EC2 instance?
...ck size' and count is the number of blocks you want to allocate… you can read the man page of the command for more info: linux.die.net/man/1/dd
– Fábio Batista
May 19 '14 at 22:23
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Disabled form inputs do not appear in the request
...navigation.
Disabled controls cannot be successfully posted.
You can use readonly attribute in your case, by doing this you will be able to post your field's data.
I.e.,
<input type="textbox" name="Percentage" value="100" readonly="readonly" />
FYI, per 17.12.2 in the HTML 4 spec:
Read...
How do I read configuration settings from Symfony2 config.yml?
...APPROACH: Separated config block, injecting the config into a service
For readers looking for something similar but for getting the config from a service, there is even a nicer way that never clutters the "paramaters" common space and does even not need the container to be passed to the service (pa...
Read the package name of an Android APK
...et the package name of an Android APK. I have tried to unzip the APK and read contents of AndroidManifest.xml , but seems it's not a text file.
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How can I read command line parameters from an R script?
...s$options
file <- args$args
if(opt$count_lines) {
print(paste(length(readLines(file)) * opt$factor))
}
Given an arbitrary file blah.txt with 23 lines.
On the command line:
Rscript script.R -h outputs
Usage: script.R [options] file
Options:
-n, --count_lines
Count...
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
...stribution across the sets, because each memory address is as likely to be read (I said ideally).
It's clear that overlaps can occur. In case of a cache miss, the memory is read in the cache and the old value is replaced. Remember each set has a number of lines, out of which the least recently used...