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How to avoid reinstalling packages when building Docker image for Python projects?
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Try to build a Dockerfile which looks something like this:
FROM my/base
WORKDIR /srv
ADD ./requirements.txt /srv/requirements.txt
RUN pip install -r requirements.txt
ADD . /srv
RUN python setup.py install
ENTRYPOINT ["run_server"]
Docker will use cache during pip install as long as you do...
What is “loose coupling?” Please provide examples
... answered Oct 22 '08 at 18:35
64BitBob64BitBob
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You must enable the openssl extension to download files via https
... Where is this line? In which file? the php.ini in 1, C:\wamp64\bin\apache OR 2. C:\wamp64\bin\php\php7.0.0 ?
– MyDaftQuestions
Apr 3 '16 at 14:54
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How to get unique device hardware id in Android? [duplicate]
...droid device ID?
More specifically, Settings.Secure.ANDROID_ID. This is a 64-bit quantity that is generated and stored when the device first boots. It is reset when the device is wiped.
ANDROID_ID seems a good choice for a unique device identifier. There are downsides: First, it is not 100% reliab...
Creating an empty Pandas DataFrame, then filling it?
...C': 'xyz'}, ignore_index=True)
df.dtypes
A object # yuck!
B float64
C object
dtype: object
Dealing with object columns is never a good thing, because pandas cannot vectorize operations on those columns. You will need to do this to fix it:
df.infer_objects().dtypes
A int64
B fl...
How do I set a Windows scheduled task to run in the background? [closed]
...ssuming the application you are attempting to run in the background is CLI based, you can try calling the scheduled jobs using Hidden Start
Also see: http://www.howtogeek.com/howto/windows/hide-flashing-command-line-and-batch-file-windows-on-startup/
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Lambda function in list comprehensions
...(map(lambda x: x*x, range(10))) will give you [0, 1, 4, 9, 16, 25, 36, 49, 64, 81]
– rrlamichhane
Jun 12 at 22:58
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Getting key with maximum value in dictionary?
...50, 56: 20, 57: 33,
58: 20, 59: 33, 60: 20, 61: 20, 62: 108, 63: 108, 64: 7, 65: 28, 66: 28, 67: 28,
68: 15, 69: 15, 70: 15, 71: 103, 72: 23, 73: 116, 74: 23, 75: 15, 76: 23, 77: 23,
78: 36, 79: 36, 80: 10, 81: 23, 82: 111, 83: 111, 84: 10, 85: 10, 86: 31, 87: 31,
88: 18, 89: 31,...
Mapping two integers to one, in a unique and deterministic way
... * (A + B + 1) / 2 + A;
(-32768, -32768) => 8589803520 which is Int64. 64 bit output for 16 bit inputs may be so unpardonable!!
Szudzik's function:
A = a >= 0 ? 2 * a : -2 * a - 1;
B = b >= 0 ? 2 * b : -2 * b - 1;
A >= B ? A * A + A + B : A + B * B;
(-32768, -32768) => 4...
How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
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64
conda will only keep track of the packages it installed. And pip will give you the packages tha...