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How to detect a Christmas Tree? [closed]
...mewhat amorphous shapes that may not necessarily have a single clear centroid.
At the top level, my approach is fairly simple and can be broken down into about 3 steps. First I apply a threshold (or actually, the logical "or" of two separate and distinct thresholds). As with many of the other ans...
Using helpers in model: how do I include helper dependencies?
...g up the input in the model before saving to database, using the before_validate callback.
6 Answers
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How do you clone a BufferedImage
...eredImage(cm, raster, isAlphaPremultiplied, null).getSubimage(0, 0, bi.getWidth(), bi.getHeight());
– HaydenStudios
Jun 29 '14 at 22:55
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How do I convert an array object to a string in PowerShell?
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Why is it called OFS ? It's a weird name considering it's been called IFS on standard shell for decades and decades.
– Johan Boulé
May 30 '18 at 15:00
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How do I Convert DateTime.now to UTC in Ruby?
...Number, and DateTime is just plain weird (which is probably why Rails overrides it)
– DanSingerman
Apr 16 '09 at 11:44
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Gets byte array from a ByteBuffer in java
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Note that, to avoid changing the position of the buffer, I used bb.slice().remaining(). That way it looks like a clean dump without touching the original buffer.
– Kyll
Jan 21 '17 at 14:09
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How to get UTC time in Python?
...er my answer below. See "datetime objects with no timezone should be considered as a "bug" in the application." julien.danjou.info/python-and-timezones
– Tim Richardson
Nov 29 '19 at 22:50
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How to convert comma-delimited string to list in Python?
...In the case of integers that are included at the string, if you want to avoid casting them to int individually you can do:
mList = [int(e) if e.isdigit() else e for e in mStr.split(',')]
It is called list comprehension, and it is based on set builder notation.
ex:
>>> mStr = "1,A,B,3,...
What are metaclasses in Python?
...pe of each other base class metaclass. Note that it is possible that no valid metaclass can be found, and the definition will fail.
– chepner
Jan 9 at 21:14
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Why does only the first line of this Windows batch file execute but all three lines execute in a com
...to the same file, only the first one executes before the script exits. Any idea why?
6 Answers
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