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Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean
...producer methods.
To deploy CDI beans, you must place a file called beans.xml in a META-INF folder on the classpath. Once you do this, then every bean in the package becomes a CDI bean. There are a lot of features in CDI, too many to cover here, but as a quick reference for JSF-like features, you c...
Bare asterisk in function arguments?
...argument when you have no following keyword arguments.
See this answer or Python 3 documentation for more details.
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Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty
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For anyone using Wagtail on PythonAnywhere just add the '.dev.' at the end of this line in WSGI ... os.environ['DJANGO_SETTINGS_MODULE'] = 'mysite.settings.dev' later you'll need to create a local.py outside of your source repo for your passwords etc.
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Quick way to list all files in Amazon S3 bucket?
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I'd recommend using boto. Then it's a quick couple of lines of python:
from boto.s3.connection import S3Connection
conn = S3Connection('access-key','secret-access-key')
bucket = conn.get_bucket('bucket')
for key in bucket.list():
print key.name.encode('utf-8')
Save this as list.p...
How to check if all elements of a list matches a condition?
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My fault on the use of lambda, Python's all does not accept a function as the first argument like Haskell et. al., I changed my answer to a list comprehension as well. :)
– Hampus Nilsson
May 19 '12 at 15:11
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count (non-blank) lines-of-code in bash
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When I first asked this question, 'cloc' counted Python docstrings as lines of code, which was suboptimal IMHO. Modern versions of 'cloc' now count Python docstrings as comments, which I like much more.
– Jonathan Hartley
Jun 30 '16 at...
Android - Handle “Enter” in an EditText
...itorInfo.IME_ACTION_SEND and I have android:imeOptions="actionSend" on the XML.
– Bani
Feb 11 '11 at 21:46
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test a file upload using rspec - rails
..." directory
before :each do
@file = fixture_file_upload('files/test_lic.xml', 'text/xml')
end
it "can upload a license" do
post :uploadLicense, :upload => @file
response.should be_success
end
In case you were expecting the file in the form of params['upload']['datafile']
it "can upload...
How to debug a Flask app
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export FLASK_APP=/daemon/api/views.py # path to app
export FLASK_DEBUG=1
python -m flask run --host=0.0.0.0
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How to write header row with csv.DictWriter?
...e csvfile.
Put another way: The Fieldnames argument is required because Python dicts are inherently unordered.
Below is an example of how you'd write the header and data to a file.
Note: with statement was added in 2.6. If using 2.5: from __future__ import with_statement
with open(infile,'rb') a...