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FormData.append(“key”, “value”) is not working
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New in Chrome 50+ and Firefox 39+ (resp. 44+):
formdata.entries() (combine with Array.from() for debugability)
formdata.get(key)
and more very useful methods
Original answer:
What I usually do to 'debug' a FormData object, is just send it (anywhere!) and check the browser logs (eg. Chrome...
What is the proper way to comment functions in Python?
...odule, function, class, or method definition. Such a docstring becomes the __doc__ special attribute of that object.
All modules should normally have docstrings, and all functions and classes exported by a module should also have docstrings. Public methods (including the __init__ constructor) s...
How to cancel/abort jQuery AJAX request?
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The jquery ajax method returns a XMLHttpRequest object. You can use this object to cancel the request.
The XMLHttpRequest has a abort method, which cancels the request, but if the request has already been sent to the server then the server will process the req...
How to convert java.util.Date to java.sql.Date?
...tem.out.println("sqlDate:" + sqlDate);
}
}
explains it. The link is http://www.java2s.com/Tutorial/Java/0040__Data-Type/ConvertfromajavautilDateObjecttoajavasqlDateObject.htm
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Django set field value after a form is initialized
...value after the form was submitted, you can use something like:
if form.is_valid():
form.cleaned_data['Email'] = GetEmailString()
Check the referenced docs above for more on using cleaned_data
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How to check if variable is string with python 2 and 3 compatibility
...x-compatible code, you'll probably want to use six:
from six import string_types
isinstance(s, string_types)
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Threading pool similar to the multiprocessing Pool?
...urrent.futures.ThreadPoolExecutor, i.e.:
executor = ThreadPoolExecutor(max_workers=10)
a = executor.submit(my_function)
See the docs for more info and examples.
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How to list imported modules?
...ems():
if isinstance(val, types.ModuleType):
yield val.__name__
This won't return local imports, or non-module imports like from x import y. Note that this returns val.__name__ so you get the original module name if you used import module as alias; yield name instead if you wa...
Convert string to Python class object?
...; class Foo(object):
... pass
...
>>> eval("Foo")
<class '__main__.Foo'>
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