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Best way to split string into lines
...ronment.NewLine is a no-go as far as I’m concerned. In fact, of all the possible solutions I prefer the one using regular expressions since only that handles all source platforms correctly.
– Konrad Rudolph
Jan 20 '11 at 17:14
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How to save a dictionary to a file?
...of thing.
These functions are all that you need for saving and loading almost any object:
def save_obj(obj, name ):
with open('obj/'+ name + '.pkl', 'wb') as f:
pickle.dump(obj, f, pickle.HIGHEST_PROTOCOL)
def load_obj(name ):
with open('obj/' + name + '.pkl', 'rb') as f:
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Very large matrices using Python and NumPy
...re efficient data structures for sparse matrices (matrices with lots of zeros), like scipy.sparse.csc_matrix.
Modify your algorithm to work on submatrices. You can read from disk only the matrix blocks that are currently being used in computations. Algorithms designed to run on clusters usually wo...
How do I get PHP errors to display?
...wever, this doesn't make PHP to show parse errors - the only way to show those errors is to modify your php.ini with this line:
display_errors = on
(if you don't have access to php.ini, then putting this line in .htaccess might work too):
php_flag display_errors 1
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How to remove files that are listed in the .gitignore but still on the repository?
I have some files in my repository that should be ignored, i added them to the .gitignore but, of course, they are not removed from my repository.
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How to access a mobile's camera from a web app?
...
In iPhone iOS6 and from Android ICS onwards, HTML5 has the following tag which allows you to take pictures from your device:
<input type="file" accept="image/*" capture="camera">
Capture can take values like camera, camcorder ...
How to play an android notification sound
...also set this to play through STREAM_NOTIFICATION so it is played with the OS current notification volume preference: .setSound(soundUri, AudioManager.STREAM_NOTIFICATION)
– mwk
Aug 4 '14 at 13:49
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Add margin between a RadioButton and its label in Android?
Is it possible to add a little bit of space between a RadioButton and the label while still using Android's built-in components? By default the text looks a little scrunched.
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How to get rid of Git submodules untracked status?
...t, the actual way to have a clean status would be to go into each one of those submodules and:
add and commit the untracked contents,
or reference the untracked contents in a .gitignore specific to each module.
or you can add the same ignored content to the submodule's .git/info/exclude, as peci...
multiple prints on the same line in Python
... That is probably more a function of the output buffering preformed by the OS for the process as a whole, which is not a python-specific problem. See stackoverflow.com/questions/107705 for a python-specific workaround.
– multipleinterfaces
Feb 20 '15 at 16:48
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