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Peak detection in a 2D array
...ns. These sums will be exactly the same sums over the 2x2 squares with the top-left corner in the same position:
>>> sums = a[:-1,:-1] + a[1:,:-1] + a[:-1,1:] + a[1:,1:]; sums
array([[ 8, 12],
[20, 24]])
When you have the sums over 2x2 squares, you can use max to find the maximum,...
What do I use for a max-heap implementation in Python?
....heappush(12)
maxh.heappush(12)
minh.heappush(4)
maxh.heappush(4)
# fetch "top" values
print(minh[0], maxh[0]) # "4 12"
# fetch and remove "top" values
print(minh.heappop(), maxh.heappop()) # "4 12"
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Rspec doesn't see my model Class. uninitialized constant error
...d it after attempting to run the spec. Added require "rails_helper" to the top of my spec and I was good to go.
– Travis
Jan 29 at 19:05
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Working with huge files in VIM
...lines before the edited lines from the HUGEFILE (which in this case is the top 3 lines), combine it with the edited lines (in this case lines 4 and 5) and use this combined set of lines to replace the equivalent (in this case the top 5 lines) in the HUGEFILE and write it all to a new file.
HUGEFIL...
Jquery UI tooltip does not support html content
...linear 0.2s, opacity 0.2s linear;
position: absolute;
left: 10px;
top: 18px;
width: 30em;
border: 1px solid #404040;
padding: 0.2em 0.5em;
cursor: default;
line-height: 140%;
font-size: 12px;
font-family: 'Segoe UI';
-moz-border-radius: 3px;
-webkit-border-radius:...
Failed to Attach to Process ID Xcode
... your /etc/hosts file, go to Step 2
Step2: Check /etc/hosts
Check that the top of your /etc/hosts file looks like this
127.0.0.1 localhost
255.255.255.255 broadcasthost
::1 localhost
fe80::1%lo0 localhost
If it doesn't have these entries in the file, enter them at the top of ...
Deserializing JSON data to C# using JSON.NET
...o "Insecure Deserialization" attack. Please refer to owasp.org/www-project-top-ten/OWASP_Top_Ten_2017/…
– Matias Bello
Sep 14 at 0:34
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How to print Unicode character in Python?
...
@CarloWood The top answer tells you exactly what you want. Just print your_unicode_characters.encode('utf-8')
– Yuhao Zhang
Sep 18 '16 at 1:57
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Forking vs. Branching in GitHub
...ng regularly from that original project
rebase your current development on top of the branch of interest you got updated from that fetch.
The rebase allows you to make sure your changes are straightforward (no merge conflict to handle), making your pulling request that more easy when you want the ...
Android: How do I prevent the soft keyboard from pushing my view up?
... the soft keyboard opens, it pushes the tab for the drawer up, so it sits atop the keyboard. I actually want it to remain at the bottom of the screen, becoming hidden when the keyboard is shown.
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