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Drawing an image from a data URL to a canvas
...e:
var img = new Image;
img.src = strDataURI;
The drawImage() method of HTML5 Canvas Context lets you copy all or a portion of an image (or canvas, or video) onto a canvas.
You might use it like so:
var myCanvas = document.getElementById('my_canvas_id');
var ctx = myCanvas.getContext('2d');
var...
How to set cookie in node js using express framework?
...cookie:
res.cookie('cookie', 'monster')
https://expressjs.com/en/4x/api.html#res.cookie
Read a cookie:
(using cookie-parser middleware)
req.cookies['cookie']
https://expressjs.com/en/4x/api.html#req.cookies
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How to use ADB to send touch events to device using sendevent command?
...o can be found at:
https://source.android.com/devices/input/touch-devices.html
http://source.android.com/devices/input/getevent.html
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Matplotlib discrete colorbar
...lotlib - see contour_demo.py and
http://matplotlib.sf.net/matplotlib.pylab.html#-contour.
"""
from pylab import *
delta = 0.01
x = arange(-3.0, 3.0, delta)
y = arange(-3.0, 3.0, delta)
X,Y = meshgrid(x, y)
Z1 = bivariate_normal(X, Y, 1.0, 1.0, 0.0, 0.0)
Z2 = bivariate_normal(X, Y, 1.5, 0.5, 1, 1)...
java SSL and cert keystore
...Password Refer docs.oracle.com/javadb/10.8.3.0/adminguide/cadminsslclient.html
– Kingsly
Feb 27 '19 at 21:42
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Creating an empty Pandas DataFrame, then filling it?
... DataFrame docs here: http://pandas.pydata.org/pandas-docs/stable/dsintro.html
5 Answers
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UnboundLocalError on local variable when reassigned after first use
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Here are two links that may help
1: docs.python.org/3.1/faq/programming.html?highlight=nonlocal#why-am-i-getting-an-unboundlocalerror-when-the-variable-has-a-value
2: docs.python.org/3.1/faq/programming.html?highlight=nonlocal#how-do-i-write-a-function-with-output-parameters-call-by-reference
l...
How to add a second css class with a conditional value in razor MVC 4
While Microsoft has created some automagic rendering of html attributes in razor MVC4, it took me quite some time to find out how to render a second css class on an element, based on a conditional razor expression. I would like to share it with you.
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Disable/turn off inherited CSS3 transitions
...to be supported (with a specific adjustment for Opera) given the following HTML:
<a href="#" class="transition">Content</a>
<a href="#" class="transition">Content</a>
<a href="#" class="noTransition">Content</a>
<a href="#" class="transition">Content</a&...
Custom domain for GitHub project pages
...o options:
Choosing master branch will treat /README.md as your web index.html. Choosing master branch /docs folder will treat /docs/README.md as your web index.html.
Choose a theme.
Wait a minute while GitHub publishes your site. Verify it works by clicking on the link next to Your site is ready...