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How to resize an image with OpenCV2.0 and Python2.6
...xample doubling the image size
There are two ways to resize an image. The new size can be specified:
Manually;
height, width = src.shape[:2]
dst = cv2.resize(src, (2*width, 2*height), interpolation = cv2.INTER_CUBIC)
By a scaling factor.
dst = cv2.resize(src, None, fx = 2, fy = 2, interpolatio...
Using [UIColor colorWithRed:green:blue:alpha:] doesn't work with UITableView seperatorColor?
...
There are two new methods in UIColor that accept integer values from 0 to 255. See my answer below.
– Blip
Sep 26 '19 at 20:48
...
Why can't Python find shared objects that are in directories in sys.path?
...efore
the standard set of directories; this
is useful when debugging a new library
or using a nonstandard library for
special purposes. The environment
variable LD_PRELOAD lists shared
libraries with functions that override
the standard set, just as
/etc/ld.so.preload does. These are...
How do I convert a string to a double in Python?
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...
Convert XmlDocument to String
...a side note: always dispose disposable objects:
using (var stringWriter = new StringWriter())
using (var xmlTextWriter = XmlWriter.Create(stringWriter))
{
xmlDoc.WriteTo(xmlTextWriter);
xmlTextWriter.Flush();
return stringWriter.GetStringBuilder().ToString();
}
...
Why do I get “Procedure expects parameter '@statement' of type 'ntext/nchar/nvarchar'.” when I try t
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);...
How to use Sphinx's autodoc to document a class's __init__(self) method?
...lso enables documentation of properties like __weakref__ (available on all new-style classes, AFAIK) which I consider noise and not useful at all. The callback approach avoids this (because it only works on functions/methods and ignores other attributes).
...
Is there a minlength validation attribute in HTML5?
...ise an input field with an empty value will be excluded from constraint validation.
<input pattern=".{3,}" required title="3 characters minimum">
<input pattern=".{5,10}" required title="5 to 10 characters">
If you want to create the option to use the pattern for "empty, or minimum ...
Targeting position:sticky elements that are currently in a 'stuck' state
... the edge, the observer fires and we're off and running.
const observer = new IntersectionObserver(
([e]) => e.target.toggleAttribute('stuck', e.intersectionRatio < 1),
{threshold: [1]}
);
observer.observe(document.querySelector('nav'));
Stick the element just out of its container wit...
AttributeError: 'datetime' module has no attribute 'strptime'
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...