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HTML5 Canvas Resize (Downscale) Image High Quality?
...otal and the result will be poor as you already noticed.
Try with just one extra step, or at tops two.
Convolutions
In case of Photoshop notice that it applies a convolution after the image has been re-sampled, such as sharpen. It's not just bi-cubic interpolation that takes place so in order to ful...
Url decode UTF-8 in Python
...а'
The Python 2 equivalent is urllib.unquote(), but this returns a bytestring, so you'd have to decode manually:
from urllib import unquote
url = unquote(url).decode('utf8')
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Which Boost features overlap with C++11?
...ow)
Move ← Rvalue references
Replaceable by C++17 language features:
String_ref → std::string_view
Filesystem → <filesystem> (Filesystem TS)
Optional → std::optional (Library Fundamentals TS v1)
Any → std::any (Library Fundamentals TS v1)
Math/Special Functions → <cmath> ...
jQuery posting JSON
...
'data' should be a stringified JavaScript object:
data: JSON.stringify({ "userName": userName, "password" : password })
To send your formData, pass it to stringify:
data: JSON.stringify(formData)
Some servers also require the application/...
How to select rows from a DataFrame based on column values?
...orm the same boolean analysis we did above. This leaves us performing one extra step to accomplish the same task.
mask = df['A'] == 'foo'
pos = np.flatnonzero(mask)
df.iloc[pos]
A B C D
0 foo one 0 0
2 foo two 2 4
4 foo two 4 8
6 foo one 6 12
7 foo three ...
Set a DateTime database field to “Now”
...er to DateTime.Now will do this or If I should first convert the date to a string and then add it to the request ?
– Thibault Witzig
Dec 20 '10 at 9:41
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Is it possible to use jQuery .on and hover?
...e, you may see the
pseudo-event-name "hover" used as a shorthand for the string
"mouseenter mouseleave". It attaches a single event handler for those
two events, and the handler must examine event.type to determine
whether the event is mouseenter or mouseleave. Do not confuse the
"hover" p...
Resetting a multi-stage form with jQuery
...ut.val('') on an input with a default value of 50 would set it to an empty string, whereas calling myform.reset() would reset it to its initial value of 50.
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How to read a local text file?
...
But how can you use the text and put it into a string variable for use elsewhere? (I keep on getting 'undefined' no matter what I do to it.)
– not2qubit
Feb 8 '18 at 8:03
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Why does “_” (underscore) match “-” (hyphen)?
...
I had a similar issue with space and hyphens while matching strings with exact match:
SELECT id FROM location WHERE name = 'IND - HQ';
The above query didn't return any records in MySQL. I had to escape the spaces and hyphens and use LIKE instead of exact match with equals (=) as f...