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How to deep copy a list?
...ying a list.
deepcopy(x, memo=None, _nil=[])
Deep copy operation on arbitrary Python objects.
See the following snippet -
>>> a = [[1, 2, 3], [4, 5, 6]]
>>> b = list(a)
>>> a
[[1, 2, 3], [4, 5, 6]]
>>> b
[[1, 2, 3], [4, 5, 6]]
>>> a[0][1] = 10
&g...
Git mergetool with Meld on Windows
...'ve had no problems using or configuring it to work with Git. However, in Windows it has been a different story.
9 Answers...
Convert an image to grayscale in HTML/CSS
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Following on from brillout.com's answer, and also Roman Nurik's answer, and relaxing somewhat the the 'no SVG' requirement, you can desaturate images in Firefox using only a single SVG file and some CSS.
Your SVG file will look l...
C++ project organisation (with gtest, cmake and doxygen)
...ng a simple vector class in C++. However I would like to get in to good habits from the start rather than trying to modify my workflow later on.
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Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED
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piggybackpiggyback
7,9641010 gold badges4242 silver badges7474 bronze badges
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How do I get the value of text input field using JavaScript?
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Interesting. Simple test in IE8 for Win7 shows that querySelector is supported jsfiddle.net/syNvz/show and QSA too jsfiddle.net/syNvz/2/show
– Fabrício Matté
Jun 22 '13 at 4:13
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How to prevent gcc optimizing some statements in C?
In order to make a page dirty (switching on the dirty bit in the page table entry), I touch the first bytes of the page like this:
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Add swipe to delete UITableViewCell
...dling (seemingly) basic functionality like this? The documentation seems a bit verbose and hard to follow for my newbishnes.
– lase
Jun 16 '14 at 21:08
4
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Oracle: how to UPSERT (update or insert into a table?)
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The issue is that you have a window in between the insert and the update where another process could successfully fire a delete. I did however use this pattern on a table that never has deletes fired against it.
– chotchki
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Print text instead of value from C enum
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101
Enumerations in C are numbers that have convenient names inside your code. They are not string...