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Tricks to manage the available memory in an R session
...teger 448 448 bytes 102 NA
x character 96 96 bytes 1 NA
NOTE: The main part I added was (again, adapted from JD's answer) :
obj.prettysize <- napply(names, function(x) {
print(object.size(x), units = "auto") })
...
对外网用户的squid代理+认证 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...jiulongproxynew# ee resolv.conf
添加如下两行：
nameserver 221.6.96.177
nameserver 221.6.96.178
5、重启服务器
二、squid的安装
1、安装perl以支持squid
jiulongproxynew# cd /usr/ports/lang/perl5
jiulongproxynew# make install
2、安装Apache，squid认证用户设...
How to print color in console using System.out.println?
... WhiteFang34WhiteFang34
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Apply multiple functions to multiple groupby columns
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0 0.864569 0.446069 0.466054 0.969921 0.341399
1 1.478872 0.843026 0.687672 1.754877 0.672401
If you don't like that ugly lambda column name, you can use a normal function and supply a custom name to the special __name__ attribute like this:
d...
Turn a string into a valid filename?
...
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What is the reason to use the strings as file names? If human readability is not a factor I wou...
How to terminate a Python script
...
j.m.g.rj.m.g.r
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How to print from GitHub
...nt the page.
Bookmarklet contents:
javascript:(function(e,a,g,h,f,c,b,d)%7Bif(!(f=e.jQuery)%7C%7Cg%3Ef.fn.jquery%7C%7Ch(f))%7Bc=a.createElement(%22script%22);c.type=%22text/javascript%22;c.src=%22http://ajax.googleapis.com/ajax/libs/jquery/%22+g+%22/jquery.min.js%22;c.onload=c.onreadystatechange=f...
Generating Guids in Ruby
...function.
For example:
require 'securerandom'
SecureRandom.uuid # => "96b0a57c-d9ae-453f-b56f-3b154eb10cda"
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How to format a duration in java? (e.g format H:MM:SS)
...he absolute value one can use duration.abs().
– recke96
Jun 15 '18 at 17:25
...
Http Basic Authentication in Java using HttpClient?
...edited Mar 27 '19 at 14:44
lukas84
35622 silver badges1515 bronze badges
answered Jul 29 '10 at 17:10
Buhake S...