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Can't use NVM from root (or sudo)
...
The below list of commands (source: digitalocean) seems to fix the problem
n=$(which node); \
n=${n%/bin/node}; \
chmod -R 755 $n/bin/*; \
sudo cp -r $n/{bin,lib,share} /usr/local
The above command is a bit complicated, but all it's doing i...
Reusable library to get human readable version of file size?
...
If you want to increase the precision of the decimal component,change the 1 on lines 4 and 6 to whatever precision you want.
– Matthew G
May 10 '15 at 4:07
46...
Check if array is empty or null
...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...
How to disable anchor “jump” when loading a page?
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Browser jumps to <element id="abc" /> if there are http://site.com/#abc hash in the address and the element with id="abc" is visible. So, you just should hide the element by default: <element id="anchor" style="display: none" />.
If there is no visible element with id=h...
Setting PayPal return URL and making it auto return?
...efault.
To turn on Auto Return:
Log in to your PayPal account at https://www.paypal.com or https://www.sandbox.paypal.com
The My Account Overview page appears.
Click the gear icon top right.
The Profile Summary page appears.
Click the My Selling Preferences link in the left colum...
What do *args and **kwargs mean? [duplicate]
...like this:
def my_sum(*args):
return sum(args)
It’s probably more commonly used in object-oriented programming, when you’re overriding a function, and want to call the original function with whatever arguments the user passes in.
You don’t actually have to call them args and kwargs, th...
puts vs logger in rails rake tasks
...nfig/environments/development.rb :
if File.basename($0) == 'rake'
# http://stackoverflow.com/questions/2246141/puts-vs-logger-in-rails-rake-tasks
log_file = Rails.root.join("log", "#{Rails.env}.log")
Rails.logger = ActiveSupport::Logger.new(log_file)
Rails.logger.extend(Active...
What is the runtime performance cost of a Docker container?
I'd like to comprehensively understand the run-time performance cost of a Docker container. I've found references to networking anecdotally being ~100µs slower .
...
Why should I use Restify?
...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...
Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...影响不大。
3.4 GCM Server类型
GCM提供两种Server模型：
a）HTTP Server : 使用同步接口发送HTTP请求，一次请求可以发给最多1000个设备。
b）XMPP Server :使用异步接口发送请求，只支持对单个设备（或同一个用户的多个关联设备发送）...