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How to avoid reinstalling packages when building Docker image for Python projects?
...line 1))
Running setup.py (path:/tmp/pip_build_root/pytest/setup.py) egg_info for package pytest
....
Cleaning up...
---> bf5c154b87c9
Removing intermediate container 08188205e92b
Step 4 : ADD . /srv
---> 3002a3a67e72
Removing intermediate container 83defd1851d0
Step 5 : CMD python /srv/run....
Rails: create on has_one association
...previous shop. For instance if you run @user.create_shop(params[:shop_one_info]) it will create shop_one, BUT if you run @user.create_shop(params[:shop_two_info]) that it will delete the first shop and create the second one.
– ecoding5
May 6 '16 at 17:08
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How do I get the user agent with Flask?
...t.accept_languages[0][0]
which will result in string
'en-US'
Detailed information about 'accept_language" header: https://www.w3.org/International/questions/qa-lang-priorities
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Is it true that one should not use NSLog() on production code?
... production code, but should only be there for truly exceptional cases, or information that it is desired that will be logged to the system log.
Applications which litter the system log are annoying, and come across as unprofessional.
...
Compare if two variables reference the same object in python
... numbers in this range. Try assigning something larger, i.e. 270. For more info look here
– ted
Jan 28 '16 at 13:57
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Convert bytes to a string
...compatible way, use the ancient MS-DOS CP437 encoding:
PY3K = sys.version_info >= (3, 0)
lines = []
for line in stream:
if not PY3K:
lines.append(line)
else:
lines.append(line.decode('cp437'))
Because encoding is unknown, expect non-English symbols to translate to char...
How to get a one-dimensional scalar array as a doctrine dql query result?
...p('current', $result);
See Petr Sobotka's answer below for additional info regarding memory usage.
PHP >= 5.5
As jcbwlkr's answered below, the recommended way it to use array_column.
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What Are Some Good .NET Profilers?
...date:
The Scitech memory profiler has quite a basic UI but lots of useful information, including some information on unmanaged memory which dotTrace and ANTS lack - you might find it useful if you are doing COM interop, but I have yet to find any profiler that makes COM memory issues easy to diagno...
How to negate the whole regex?
...s; some puts limitations on lookbehind, etc.
Links to regular-expressions.info
Lookahead and Lookbehind Zero-Width Assertions
Flavor comparison
See also
How do I convert CamelCase into human-readable names in Java?
Regex for all strings not containing a string?
A regex to match a substring th...
How do you log server errors on django sites
...r occures I can see it nicely formatted, with good stack trace and request information.
6 Answers
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