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AttributeError: 'datetime' module has no attribute 'strptime'
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If I had to guess, you did this:
import datetime
at the top of your code. This means that you have to do this:
datetime.datetime.strptime(date, "%Y-%m-%d")
to access the strptime method. Or, you could change the import statement to this:
fr...
Linq list of lists to single list
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You want to use the SelectMany extension method.
var residences = details.SelectMany(d => d.AppForm_Residences).ToList();
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Qt c++ aggregate 'std::stringstream ss' has incomplete type and cannot be defined
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How do I get the backtrace for all the threads in GDB?
...; -ex "thread apply all bt" -ex "detach" -ex "quit" > output.log, to avoid a question from gdb that blocks the command waiting for input.
– Mariano Paniga
Aug 12 at 12:52
a...
RSpec: What is the difference between a feature and a request spec?
... I use both, @robertwbradford. I use feature specs to drive my outside in tests - testing the user experience and then building out the functionality using unit tests. I use request specs for testing responses - e.g. in a sessions_spec I may have a describe "GET /login" block with expectatio...
JavaScript listener, “keypress” doesn't detect backspace?
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The keypress event might be different across browsers.
I created a Jsfiddle to compare keyboard events (using the JQuery shortcuts) on Chrome and Firefox. Depending on the browser you're using a keypress event will be triggered or not -- backspace will trigger keydown/keypress/keyup on Firefox ...
Block commenting in Ruby
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Is there an equivalent to 'continue' in a Parallel.ForEach?
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@will correct, which is why I said breaks. return statements do replace continue statements
– JasonCoder
Aug 25 '16 at 18:54
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Ruby Arrays: select(), collect(), and map()
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It looks like details is an array of hashes. So item inside of your block will be the whole hash. Therefore, to check the :qty key, you'd do something like the following:
details.select{ |item| item[:qty] != "" }
That will give you all items where the :qty key isn't an empty st...
SQLAlchemy default DateTime
...se = declarative_base()
class Test(Base):
__tablename__ = 'test'
id = Column(Integer, primary_key=True)
created_date = Column(DateTime, default=datetime.datetime.utcnow)
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