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Read an Excel file directly from a R script
...sion of R (seems to have been phased out).
I then ran benchmarks with NN=1000L and NN=25000L (resetting the seed before each declaration of the data.frame above) to allow for differences with respect to Excel file size. gc is primarily for xlsx, which I've found at times can create memory clogs. Wi...
Java to Clojure rewrite
I have just been asked by my company to rewrite a largish (50,000 single lines of code) Java application (a web app using JSP and servlets) in Clojure. Has anyone else got tips as to what I should watch out for?
...
Why is \r a newline for Vim?
...a <Nul> with a search pattern you can just enter CTRL-@ or
"CTRL-V 000". This is probably just what you expect. Internally the
character is replaced with a <NL> in the search pattern. What is unusual is
that typing CTRL-V CTRL-J also inserts a <NL>, thus also searches for ...
How to profile a bash shell script slow startup?
...ay even compute diff time:
paste <(
while read tim ;do
crt=000000000$((${tim//.}-10#0$last))
printf "%12.9f\n" ${crt:0:${#crt}-9}.${crt:${#crt}-9}
last=${tim//.}
done < sample-time.24804.tim
) sample-time.24804.log
1388487534.391309713 + (( i=3 ))...
What happens to a github student account's repositories at the end of 2 years?
...y Support
GitHub Dependabot alerts
Two-factor authentication enforcement
2,000 GitHub Actions minutes
500MB GitHub Packages storage
And the pro account includes the following features:
GitHub Pro
In addition to the features available with GitHub Free for user
accounts, GitHub Pro includes:
GitHu...
How to change the color of an svg element?
....dtd">
<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
width="500px" height="500px" viewBox="0 0 500 500" enable-background="new 0 0 500 500" xml:space="preserve">
<g>
<path d="M1...
How to format current time using a yyyyMMddHHmmss format?
...
import("time")
layout := "2006-01-02T15:04:05.000Z"
str := "2014-11-12T11:45:26.371Z"
t, err := time.Parse(layout, str)
if err != nil {
fmt.Println(err)
}
fmt.Println(t)
gives:
>> 2014-11-12 11:45:26.371 +0000 UTC
...
How do I match any character across multiple lines in a regular expression?
...p prints the file after applying the script given by -e). Note that using -000pe will slurp the file and activate 'paragraph mode' where Perl uses consecutive newlines (\n\n) as the record separator.
gnu-grep - grep -Poz '(?si)abc\K.*?(?=<Foobar>)' file. Here, z enables file slurping, (?s) ena...
HTML table with fixed headers?
...height: 100%;
}
section {
position: relative;
border: 1px solid #000;
padding-top: 37px;
background: #500;
}
section.positioned {
position: absolute;
top: 100px;
left: 100px;
width: 800px;
box-shadow: 0 0 15px #333;
}
.container {
overflow-y: auto;
height...
PHP mail function doesn't complete sending of e-mail
...
the same website on 000webhost sends emails successfully and fast on netai.net domain but on site88.net i have the same website i get in console that the message sends successfully but i don't receive any messages. Also in comuf.com domain i get...