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How to use sed to remove the last n lines of a file
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edited Feb 20 '14 at 11:50
laalto
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Delete all but the most recent X files in bash
Is there a simple way, in a pretty standard UNIX environment with bash, to run a command to delete all but the most recent X files from a directory?
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What is a good Hash Function?
What is a good Hash function? I saw a lot of hash function and applications in my data structures courses in college, but I mostly got that it's pretty hard to make a good hash function. As a rule of thumb to avoid collisions my professor said that:
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What is the `zero` value for time.Time in Go?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Auto line-wrapping in SVG text
I would like to display a <text> in SVG what would auto-line-wrap to the container <rect> the same way as HTML text fills <div> elements. Is there a way to do it? I don't want to position lines sparately by using <tspan> s.
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How do I return multiple values from a function? [closed]
The canonical way to return multiple values in languages that support it is often tupling .
14 Answers
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How to remove all of the data in a table using Django
...n your tables, but the tables themselves will still exist.
See more here: https://docs.djangoproject.com/en/1.8/ref/django-admin/
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Where IN clause in LINQ [duplicate]
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This expression should do what you want to achieve.
dataSource.StateList.Where(s => countryCodes.Contains(s.CountryCode))
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What is an AngularJS directive?
I have spent quite a lot of time reading through AngularJS documentation and several tutorials, and I have been quite surprised at how unapproachable the documentation is.
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Can a shell script set environment variables of the calling shell? [duplicate]
...local/sbin/noproxy #turn off proxy server
unset http_proxy HTTP_PROXY https_proxy HTTPs_PROXY
}
# Proxy
function setproxy
{
sh /usr/local/sbin/proxyon #turn on proxy server
http_proxy=http://127.0.0.1:8118/
HTTP_PROXY=$http_proxy
https_proxy=$http_proxy
HTTPS_PROXY=$http...