大约有 22,000 项符合查询结果（耗时：0.0247秒） [XML]
How to avoid reinstalling packages when building Docker image for Python projects?
...d 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 not make any chang...
I need to securely store a username and password in Python, what are my options?
...use it once, and de-reference it immediately using the del statement.
The administrator still has to enter the password to start ssh-agent, at boot-time or whatever, but this is a reasonable compromise that avoids having a plain-text password stored anywhere on disk.
...
Catching an exception while using a Python 'with' statement
...ort with_statement
try:
with open( "a.txt" ) as f :
print f.readlines()
except EnvironmentError: # parent of IOError, OSError *and* WindowsError where available
print 'oops'
If you want different handling for errors from the open call vs the working code you could do:
try:
f ...
What part of Hindley-Milner do you not understand?
...that the environment Γ includes the fact that x has type σ.
⊢ can be read as proves or determines. Γ ⊢ x : σ means that the environment Γ determines that x has type σ.
, is a way of including specific additional assumptions into an environment Γ.
Therefore, Γ, x : τ ⊢ e : τ' means th...
Why should text files end with a newline?
I assume everyone here is familiar with the adage that all text files should end with a newline. I've known of this "rule" for years but I've always wondered — why?
...
What is the meaning of “non temporal” memory accesses in x86
... not (immediately) consumed again, the fact that memory store operations read a full cache line first and then modify the cached data is detrimental to performance. This operation pushes data out of the caches which might be needed again in favor of data which will not be used soon. This is especial...
How to create GUID / UUID?
...ot be the accepted answer. It does not actually answer the question - instead encouraging the import of 25,000 lines of code for something you can do with one line of code in any modern browser.
– Abhi Beckert
Jul 8 at 0:36
...
Redis strings vs Redis hashes to represent JSON: efficiency?
I want to store a JSON payload into redis. There's really 2 ways I can do this:
3 Answers
...
Asserting successive calls to a mock method
...
Rohitashwa Nigam
31322 silver badges1414 bronze badges
answered Jun 5 '14 at 15:05
PigueirasPigueiras
16.8k99...
How can I create a copy of an object in Python?
...
Sven MarnachSven Marnach
446k100100 gold badges833833 silver badges753753 bronze badges
...