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How to get default gateway in Mac OSX
...
utun1
192.168.128.1
link#12
To set a variable (_default) for further use (assuming only one entry for 'default') .....
_default=$( netstat -rn inet | awk '/default/ {print $2}' ) # I prefer $( ... ) over back-ticks
In the case of multiple default routes use:
n...
Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk
...y.conf setting the max body size to whatever size you would prefer:
client_max_body_size 50M;
Create the Nginx config file directly
After much research and hours of working with the wonderful AWS support team, I created a config file inside of .ebextensions to supplement the nginx config. This c...
“find: paths must precede expression:” How do I specify a recursive search that also finds files in
...me reason single quotes didn't work for me. I had to use double quotes. ¯\_(ツ)_/¯
– Planky
Mar 24 '17 at 21:41
...
Postgresql GROUP_CONCAT equivalent?
...
This is probably a good starting point (version 8.4+ only):
SELECT id_field, array_agg(value_field1), array_agg(value_field2)
FROM data_table
GROUP BY id_field
array_agg returns an array, but you can CAST that to text and edit as needed (see clarifications, below).
Prior to version 8.4, you...
What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
...l of optimization, and if you do, you probably want to use attributes like __builtin_expect anyway.
– Brendan Long
Dec 4 '18 at 17:40
add a comment
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Using curl POST with variables defined in bash script functions
...eding the post data on curl's invocation line as in your attempt:
generate_post_data()
{
cat <<EOF
{
"account": {
"email": "$email",
"screenName": "$screenName",
"type": "$theType",
"passwordSettings": {
"password": "$password",
"passwordConfirm": "$password"
...
Creating a jQuery object from a big HTML-string
...TML, which will parse the HTML string to an array of DOM nodes. eg:
var dom_nodes = $($.parseHTML('<div><input type="text" value="val" /></div>'));
alert( dom_nodes.find('input').val() );
DEMO
var string = '<div><input type="text" value="val" /></div>';
$('<...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...an use infix with multiple parameters:
string substring (start, end) map (_ toInt) mkString ("<", ", ", ">")
Curried functions are hard to use with infix notation. The folding functions are a clear example of that:
(0 /: list) ((cnt, string) => cnt + string.size)
(list foldLeft 0) ((cnt...
How do you implement a class in C? [closed]
... float (*computeArea)(const ShapeClass *shape);
} ShapeClass;
float shape_computeArea(const ShapeClass *shape)
{
return shape->computeArea(shape);
}
This would let you implement a class, by "inheriting" the base class, and implementing a suitable function:
typedef struct {
ShapeClass sha...
How do I download a tarball from GitHub using cURL?
...API version is this and where is it documented?
– l3l_aze
Jul 22 at 4:33
1
@l3l_aze Just edited ...