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Representing and solving a maze given an image
...invoke: python mazesolver.py <mazefile> <outputfile>[.jpg|.png|etc.]
base_img = Image.open(sys.argv[1])
base_pixels = base_img.load()
path = BFS(start, end, base_pixels)
path_img = Image.open(sys.argv[1])
path_pixels = path_img.load()
for position in path:
...
Should everything really be a bundle in Symfony 2.x?
...ices,
src/Vendor/Bundle — for bundles, like src/Vendor/Bundle/AppBundle,
etc.
This way, you would put in the AppBundle only that stuff that is really Symfony2 specific. If you decide to switch to another framework later, you would get rid of the Bundle namespace and replace it with the chosen fra...
Switching between GCC and Clang/LLVM using CMake
...
If you want to install clang-3.5, clang-3.6, etc. use this to set the default stackoverflow.com/a/30742451/1427533 as otherwise you'll get There is only one alternative in link group cc (providing /usr/bin/cc): /usr/bin/gcc
– miguel.martin
...
Creating the Singleton design pattern in PHP5
...
Thanks. I normally have all warnings etc. turned into exceptions, so I forgot about the difference when I tested :P
– mpartel
Oct 28 '13 at 22:43
...
Define a lambda expression that raises an Exception
...ent; for no arguments, use lambda : [][0]; for two, use lambda x,y: [][0]; etc.)
– Kyle Strand
Jan 24 '13 at 23:21
3
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nginx error “conflicting server name” ignored [closed]
...you're running a Linux, and you're using gEdit to edit your files. In the /etc/nginx/sites-enabled, it may have left a temp file e.g. default~ (watch the ~).
Depending on your editor, the file could be named .save or something like it. Just run $ ls -lah to see which files are unintended to be the...
Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty
...l need to create a local.py outside of your source repo for your passwords etc.
– Inyoka
Oct 1 '18 at 3:38
Should be t...
Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
...to:
sudo apt-get --purge remove ruby-rvm
sudo rm -rf /usr/share/ruby-rvm /etc/rvmrc /etc/profile.d/rvm.sh
open new terminal and validate environment is clean from old RVM settings (should be no output):
env | grep rvm
if there was output, try to open new terminal, if it does not help then rest...
Real world use cases of bitwise operators [closed]
...n to a bunch of logic gates, so they have to be expressed as AND, OR, NOT, etc.
Graphics
There's hardly enough space here to get into every area where these operators are used in graphics programming. XOR (or ^) is particularly interesting here because applying the same input a second time will und...
Can modules have properties the same way that objects can?
... in the module containing the class will not be "visible" during run time, etc...
– tutuDajuju
Nov 1 '16 at 9:41
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