| {# style 1 - long form #} | |
| {% if filepath == '/var/opt/tomcat_1' %} | |
| {% set tomcat_value = tomcat_1_value %} | |
| {% else %} | |
| {% set tomcat_value = tomcat_2_value %} | |
| {% endif %} | |
| {# style 2 - short form #} | |
| {% set tomcat_value = tomcat_1_value if (filepath == '/var/opt/tomcat_1') else tomcat_2_value %} |
| package main | |
| import ( | |
| "flag" | |
| "io" | |
| "log" | |
| "net" | |
| "net/http" | |
| "strings" | |
| ) |
| package main | |
| import ( | |
| "flag" | |
| "golang.org/x/net/websocket" | |
| "io" | |
| "log" | |
| "net" | |
| "net/http" | |
| "os" |
This page collects common comments made during reviews of Go code, so that a single detailed explanation can be referred to by shorthands. This is a laundry list of common mistakes, not a style guide.
You can view this as a supplement to http://golang.org/doc/effective_go.html.
Please discuss changes before editing this page, even minor ones. Many people have opinions and this is not the place for edit wars.
| --- | |
| - hosts: foo | |
| tasks: | |
| - name: register templates | |
| local_action: shell ls {{ inventory_dir }}/path/to/templates | |
| register: template_files | |
| - template: src={{ item }} dest=/etc/httpd/conf.d/{{item}} | |
| with_items: template_files.stdout_lines | |
| # to list all ports that are used | |
| sudo netstat -ntlp | grep LISTEN | |
| # you can obtain a specific port using the following command | |
| sudo netstat -ntlp | grep :8080 | |
| # when you execute the command above you will see something like that | |
| tcp 0 0 0.0.0.0:27370 0.0.0.0:* LISTEN 4394/skype | |
| tcp 0 0 127.0.1.1:53 0.0.0.0:* LISTEN 2216/dnsmasq | |
| tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN 4912/cupsd |
Install on OS X: sudo gem install sass
Version info: sass -v
| package main | |
| import ( | |
| "bufio" | |
| "fmt" | |
| "os" | |
| "strings" | |
| ) | |
| func main() { |
When hosting our web applications, we often have one public IP
address (i.e., an IP address visible to the outside world)
using which we want to host multiple web apps. For example, one
may wants to host three different web apps respectively for
example1.com, example2.com, and example1.com/images on
the same machine using a single IP address.
How can we do that? Well, the good news is Internet browsers
| <html> | |
| <head> | |
| <title>WebSocket demo</title> | |
| </head> | |
| <body> | |
| <div> | |
| <form> | |
| <label for="numberfield">Number</label> | |
| <input type="text" id="numberfield" placeholder="12"/><br /> |
