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Accessing bash command line args $@ vs $*
... parameters are quoted. Let me illustrate the differences:
$ set -- "arg 1" "arg 2" "arg 3"
$ for word in $*; do echo "$word"; done
arg
1
arg
2
arg
3
$ for word in $@; do echo "$word"; done
arg
1
arg
2
arg
3
$ for word in "$*"; do echo "$word"; done
arg 1 arg 2 arg 3
$ for word in "$@"; d...
What Does 'Then' Really Mean in CasperJS
...r = require('casper').create();
casper.start();
casper.then(function step1() {
this.echo('this is step one');
});
casper.then(function step2() {
this.echo('this is step two');
});
casper.thenOpen('http://google.com/', function step3() {
this.echo('this is step 3 (google.com is loaded...
How to pick a new color for each plotted line within a figure in matplotlib?
...
matplotlib 1.5+
You can use axes.set_prop_cycle (example).
matplotlib 1.0-1.4
You can use axes.set_color_cycle (example).
matplotlib 0.x
You can use Axes.set_default_color_cycle.
...
Ruby ampersand colon shortcut [duplicate]
...foo }
something(&:foo)
Also, to_proc on Symbol is implemented in Ruby 1.8.7 and 1.9, so it is in fact a "ruby thing".
So, to sum up: & calls to_proc on the object and passes it as a block to the method, and Ruby implements to_proc on Symbol.
...
Replace X-axis with own values
...
179
Not sure if it's what you mean, but you can do this:
plot(1:10, xaxt = "n", xlab='Some Letter...
Get first and last date of current month with JavaScript or jQuery [duplicate]
...= new Date();
var firstDay = new Date(date.getFullYear(), date.getMonth(), 1);
var lastDay = new Date(date.getFullYear(), date.getMonth() + 1, 0);
or you might prefer:
var date = new Date(), y = date.getFullYear(), m = date.getMonth();
var firstDay = new Date(y, m, 1);
var lastDay = new Date(y, m...
How to get a list of all valid IP addresses in a local network? [closed]
...
410
Install nmap,
sudo apt-get install nmap
then
nmap -sP 192.168.1.*
or more commonly
nmap ...
C++ convert from 1 char to string? [closed]
I need to cast only 1 char to string . The opposite way is pretty simple like str[0] .
2 Answers
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check / uncheck checkbox using jquery? [duplicate]
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1277
For jQuery 1.6+ :
.attr() is deprecated for properties; use the new .prop() function instea...