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How to do a scatter plot with empty circles in Python?
...e to ax= or current axes
"""
# from .../pylab_examples/ellipse_demo.py
e = Circle( xy=xy, radius=radius )
if ax is None:
ax = pl.gca() # ax = subplot( 1,1,1 )
ax.add_artist(e)
e.set_clip_box(ax.bbox)
e.set_edgecolor( color )
e.set_facecolor( facecolor ) ...
How to check if an option is selected?
...the selected option this way:
$('#mySelectBox option:selected')...
LIVE DEMO
But if you want to iterate all the options, do it with this.selected instead of this.isChecked which doesn't exist:
$('#mySelectBox option').each(function() {
if (this.selected)
alert('this option is selecte...
AngularJS: how to implement a simple file upload with multipart form?
...ult work with the ng-model directive. It needs a custom directive:
Working Demo of "select-ng-files" Directive that Works with ng-model1
angular.module("app",[]);
angular.module("app").directive("selectNgFiles", function() {
return {
require: "ngModel",
link: function postLink(scope,e...
Embed SVG in SVG?
...svg>
...
</svg>
</g>
</svg>
demo:
http://hitokun-s.github.io/old/demo/path-between-two-svg.html
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f...
Vertically centering Bootstrap modal window
... custom css. No javascript or jQuery required.
HTML (based on Bootstrap's demo-code)
<button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">Launch demo modal</button>
<!-- Modal -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" ar...
What does the * * CSS selector do?
...utline: 1px solid orange; }
* * * * * * * * { outline: 1px solid blue; }
Demo: http://jsfiddle.net/l2aelba/sFSad/
Example 2:
Demo: http://jsfiddle.net/l2aelba/sFSad/34/
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Split (explode) pandas dataframe string entry to separate rows
...e_index:
res = res.reset_index(drop=True)
return res
Demo:
Multiple list columns - all list columns must have the same # of elements in each row:
In [134]: df
Out[134]:
aaa myid num text
0 10 1 [1, 2, 3] [aa, bb, cc]
1 11 2 [] ...
How is an HTTP POST request made in node.js?
...,
body: JSON.stringify({
environment: isLive ? 'production' : 'demo',
})
})
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How to set focus on input field?
...
Other than that, it's the same principal outlined above.
Here is a quick demo Plunk
Usage
<input type="text" focus-on="focusMe"/>
app.controller('MyCtrl', function($scope, focus) {
focus('focusMe');
});
Source
app.directive('focusOn', function() {
return function(scope, elem, a...
Peak signal detection in realtime timeseries data
... of thumb for selecting good parameters for your data can be found below.
Demo
The Matlab code for this demo can be found here. To use the demo, simply run it and create a time series yourself by clicking on the upper chart. The algorithm starts working after drawing lag number of observations.
R...