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How to add facebook share button on my website?
...;a href="https://www.facebook.com/sharer/sharer.php?u=example.org" target="_blank">
Share on Facebook
</a>
Documentation can be found at https://developers.facebook.com/docs/reference/plugins/share-links/
share
...
Bash Templating: How to build configuration files from templates with Bash?
...:
#!/bin/bash
while read -r line ; do
while [[ "$line" =~ (\$\{[a-zA-Z_][a-zA-Z_0-9]*\}) ]] ; do
LHS=${BASH_REMATCH[1]}
RHS="$(eval echo "\"$LHS\"")"
line=${line//$LHS/$RHS}
done
echo "$line"
done
. Solution that does not hang if RHS references some variable th...
App Inventor 2 Canvas绘图教程 - 游戏精灵与动画实现 · App Inventor 2 中文网
...随画布的 PaintColor 属性，不是 DrawText 的参数：
when 按钮_红字.Click() {
画布1.PaintColor = "&HFFFF0000"
画布1.DrawText("红色的字", 50, 50)
}
ImageSprite（图片精灵）
ImageSprite是Canvas上的可移动图片对象，是实现游戏角色...
How do I catch a numpy warning like it's an exception (not just for testing)?
...gt;>> import numpy as np
>>> np.array([1])/0 #'warn' mode
__main__:1: RuntimeWarning: divide by zero encountered in divide
array([0])
>>> np.seterr(all='print')
{'over': 'warn', 'divide': 'warn', 'invalid': 'warn', 'under': 'ignore'}
>>> np.array([1])/0 #'print' ...
How do you read a file into a list in Python? [duplicate]
...
The pythonic way to read a file and put every lines in a list:
from __future__ import with_statement #for python 2.5
with open('C:/path/numbers.txt', 'r') as f:
lines = f.readlines()
Then, assuming that each lines contains a number,
numbers =[int(e.strip()) for e in lines]
...
Converting string from snake_case to CamelCase in Ruby
... you're using Rails, String#camelize is what you're looking for.
"active_record".camelize # => "ActiveRecord"
"active_record".camelize(:lower) # => "activeRecord"
If you want to get an actual class, you should use String#constantize on top of that.
"app_user".came...
How do I configure different environments in Angular.js?
...nstant: {
options: {
name: 'config',
wrap: '"use strict";\n\n{%= __ngModule %}',
space: ' '
},
development: {
options: {
dest: '<%= yeoman.app %>/scripts/config.js'
},
constants: {
ENV: 'development'
}
},
production: {
options: {
des...
How can I get the client's IP address in ASP.NET MVC?
...st.UserHostAddress;
string szXForwardedFor = request.ServerVariables["X_FORWARDED_FOR"];
string szIP = "";
if (szXForwardedFor == null)
{
szIP = szRemoteAddr;
}
else
{
szIP = szXForwardedFor;
if (szIP.IndexOf(",") > 0)
{
str...
Why is nginx responding to any domain name?
... domains.
# Default server
server {
return 404;
}
server {
server_name domain_1;
[...]
}
server {
server_name domain_2;
[...]
}
etc
** EDIT **
It seems some users are a bit confused by this example and think it is limited to a single conf file etc.
Please note that the a...
How can I join elements of an array in Bash?
...re Bash function that supports multi-character delimiters is:
function join_by { local d=$1; shift; local f=$1; shift; printf %s "$f" "${@/#/$d}"; }
For example,
join_by , a b c #a,b,c
join_by ' , ' a b c #a , b , c
join_by ')|(' a b c #a)|(b)|(c
join_by ' %s ' a b c #a %s b %s c
join_by $'\n' a b ...