google-colaboratory

Python basemap in google colaboratory

由 十年热恋 提交于 2019-12-01 18:09:15
I used to use the following commands to install libgeos and basemap in google colaboratory and it worked perfectly until last week. !apt-get -qq install libgeos-dev !pip install -qq https://github.com/matplotlib/basemap/archive/master.zip from mpl_toolkits.basemap import Basemap, cm The error shows --------------------------------------------------------------------------- AttributeError Traceback (most recent call last) <ipython-input-3-f27b0fbc3a52> in <module>() ----> 1 from mpl_toolkits.basemap import Basemap, cm 2 from matplotlib.patches import Polygon /usr/local/lib/python3.6/dist

Test if notebook is running on Google Colab

由 不羁岁月 提交于 2019-12-01 16:22:39
问题 How can I test if my notebook is running on Google Colab? I need this test as obtaining / unzipping my training data is different if running on my laptop or on Colab. 回答1: Try importing google.colab try: import google.colab IN_COLAB = True except: IN_COLAB = False Or just check if it's in sys.modules import sys IN_COLAB = 'google.colab' in sys.modules 回答2: In a %%bash cell, use: %%bash [[ ! -e /colabtools ]] && exit # Continue only if running on Google Colab # Do Colab-only stuff here Or in

Google Colaboratory ServiceWorker Error On Chrome

由 女生的网名这么多〃 提交于 2019-12-01 14:43:27
问题 Whenever I open a Colaboratory Document I always get the same error message: NotSupportedError: Failed to register a ServiceWorker: The user denied permission to use Service Worker. This is happening on chrome and my browser allows for ServiceWorkers ( chrome://serviceworker-internals/ ), what's going on? Because the thing is all the code still runs. 回答1: Colab's output frames use service workers to support some functionality such as displaying richer graphs (Altair and Plot.ly). The error

Is it possible to install cupy on google colab?

由 社会主义新天地 提交于 2019-12-01 06:39:48
I am trying to run chainer with GPU on google colab. This requires cupy installed however I fail to install this properly as it cannot find the cuda environment in my colab vm. Error message as follows... Collecting cupy Downloading cupy-2.4.0.tar.gz (1.7MB) 100% |████████████████████████████████| 1.7MB 740kB/s Complete output from command python setup.py egg_info: cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++ /tmp/tmpds3ikncy/a.cpp:1:10: fatal error: cublas_v2.h: No such file or directory #include ^~~~~~~~~~~~~ compilation terminated. Options:

Is it possible to set environment variables in Google's Colaboratory?

由 非 Y 不嫁゛ 提交于 2019-12-01 05:11:42
I am running some Python scripts in Google's Colaboratory platform. Now, I need to set some environment variables of the system. Like the following shows: !export PATH=drive/app/tf-models-fork/research;drive/app/tf-models-fork/research/object_detection;drive/app/tf-models-fork/research/slim;$PATH I tried to add the location to the variable PATH. However, I am getting the following errors: /bin/sh: 1: drive/app/tf-models-fork/research/object_detection: Permission denied /bin/sh: 1: drive/app/tf-models-fork/research/slim: Permission denied /bin/sh: 1: drive/app/tf-models-fork/research:

Is it possible to install cupy on google colab?

由 无人久伴 提交于 2019-12-01 04:24:29
问题 I am trying to run chainer with GPU on google colab. This requires cupy installed however I fail to install this properly as it cannot find the cuda environment in my colab vm. Error message as follows... Collecting cupy Downloading cupy-2.4.0.tar.gz (1.7MB) 100% |████████████████████████████████| 1.7MB 740kB/s Complete output from command python setup.py egg_info: cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++ /tmp/tmpds3ikncy/a.cpp:1:10:

Link to images within google drive from a colab notebook

由 六眼飞鱼酱① 提交于 2019-12-01 04:20:15
问题 I would like to store image files on a drive and link to them from a collaboration notebook. Is this possible? For example. google-drive/ notebook.ipynb images/ pic.jpg Within notebook.ipynb markdown cell: ![Alternate Text](images/pic.jpg) 回答1: A possible alternative to the great answer by Arpit Gupta for images are publicly shared: Get the ID of your file and prepend this line: https://docs.google.com/uc?export=download&id= Grabbed it from this forum post. 回答2: Use the following code: !apt

Adding dataset files on the google colaboratory

由 浪尽此生 提交于 2019-12-01 03:38:24
问题 I am trying to upload cifar data-set to google colabratory. i consists of 'batches.meta','data_batch_1','data_batch_2','data_batch_3','data_batch_4','data_batch_5','test_batch' I would like to add upload multiple files and add them to the same place to act on them 回答1: you could upload somewhere, after that you can download from code cell notebooks and use this shell command: wget for ex: !wget http://your_domain/your_file.zip note: we use '!' for running shell command in a notebook. 来源：

Is it possible to set environment variables in Google's Colaboratory?

由 白昼怎懂夜的黑 提交于 2019-12-01 02:48:03
问题 I am running some Python scripts in Google's Colaboratory platform. Now, I need to set some environment variables of the system. Like the following shows: !export PATH=drive/app/tf-models-fork/research;drive/app/tf-models-fork/research/object_detection;drive/app/tf-models-fork/research/slim;$PATH I tried to add the location to the variable PATH. However, I am getting the following errors: /bin/sh: 1: drive/app/tf-models-fork/research/object_detection: Permission denied /bin/sh: 1: drive/app

How to use cap = cv2.VideoCapture(0) in Google Colab

由 橙三吉。 提交于 2019-12-01 02:38:30
cap = cv2.VideoCapture(0) is not opening web camera when executing the command in Google Colab. Since Colab is running in your browser, you'll want to use web APIs to access local hardware like a camera. Here's an example showing how to capture an image from your local webcam in Colab: https://colab.research.google.com/notebooks/snippets/advanced_outputs.ipynb#scrollTo=2viqYx97hPMi 来源： https://stackoverflow.com/questions/54389727/how-to-use-cap-cv2-videocapture0-in-google-colab
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