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How to find list of possible words from a letter matrix [Boggle Solver]
...r ny in range(max(0, y-1), min(y+2, nrows)):
yield (nx, ny)
Sample usage:
# Print a maximal-length word and its path:
print max(solve(), key=lambda (word, path): len(word))
Edit: Filter out words less than 3 letters long.
Edit 2: I was curious why Kent Fredric's Perl solution was f...
How do I add multiple arguments to my custom template filter in a django template?
I looked into django's docs and book but only found example using a single argument... is it even possible?
9 Answers
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When would anyone use a union? Is it a remnant from the C-only days?
...es them (sometimes in passing), but they tend to give very few practical examples of why or where to use them. When would unions be useful in a modern (or even legacy) case? My only two guesses would be programming microprocessors when you have very limited space to work with, or when you're develop...
find filenames NOT ending in specific extensions on Unix?
...xe)$' would prevent matching againsta a file or dir named "dexe" for example
– drAlberT
Aug 27 '09 at 14:36
This o...
Writing Unicode text to a text file?
...ded file) can read the file. This is frequently an issue on Windows, for example, Notepad.
Writing Unicode text to a text file?
In Python 2, use open from the io module (this is the same as the builtin open in Python 3):
import io
Best practice, in general, use UTF-8 for writing to files (w...
How to do error logging in CodeIgniter (PHP)
I want error logging in PHP CodeIgniter. How do I enable error logging?
5 Answers
5
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Get first n characters of a string
How can I get the first n characters of a string in PHP? What's the fastest way to trim a string to a specific number of characters, and append '...' if needed?
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How to minify php page html output?
I am looking for a php script or class that can minify my php page html output like google page speed does.
13 Answers
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How to hide first section header in UITableView (grouped style)
... hide the first section header in UITableView (grouped style).
Swift 3.0 & Xcode 8.0 Solution
The TableView's delegate should implement the heightForHeaderInSection method
Within the heightForHeaderInSection method, return the least positive number. (not zero!)
func tableView(_ tableView: UI...
Automate ssh-keygen -t rsa so it does not ask for a passphrase
...the final answer which works well to me:
echo -e "\n" | ssh-keygen -N "" &> /dev/null
The echo command with the -e interprets "\n" as an Enter key, but do not work with the passphrase. Then using the option -N "" (empty passphrase) the password will be empty and will not ask for anything.
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