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Python None comparison: should I use “is” or ==?

...hat == will do depends on the exact type of the operands and even on their ordering. This recommendation is supported by PEP 8, which explicitly states that "comparisons to singletons like None should always be done with is or is not, never the equality operators." ...
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How to convert 1 to true or 0 to false upon model fetch

... All you need is convert string to int with + and convert the result to boolean with !!: var response = {"isChecked":"1"}; response.isChecked = !!+response.isChecked You can do this manipulation in the parse method: parse:...
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What are inline namespaces for?

...de namespace Mine, but I don't have to entirely understand the use-case in order to take Bjarne's word for it on the committee's motivation. share | improve this answer | fol...
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Adding a new value to an existing ENUM Type

...he enum type you want to change, you can try this. Also you can change the order of values in the new type. -- 1. rename the enum type you want to change alter type some_enum_type rename to _some_enum_type; -- 2. create new type create type some_enum_type as enum ('old', 'values', 'and', 'new', 'on...
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No generic implementation of OrderedDictionary?

There doesn't appear to be a generic implementation of OrderedDictionary (which is in the System.Collections.Specialized namespace) in .NET 3.5. Is there one that I'm missing? ...
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How to JSON serialize sets?

...Python set that contains objects with __hash__ and __eq__ methods in order to make certain no duplicates are included in the collection. ...
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How do I set the timeout for a JAX-WS webservice client?

...es this down. I'm not sure why you would want to download the WSDL dynamically but the system properties: sun.net.client.defaultConnectTimeout (default: -1 (forever)) sun.net.client.defaultReadTimeout (default: -1 (forever)) should apply to all reads and connects using HttpURLConnection which J...
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How do I insert datetime value into a SQLite database?

... How does one order by date with such strings? – IgorGanapolsky Jul 30 '13 at 16:28 3 ...
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How can I implement a tree in Python?

...so a powerful API with: simple tree creation simple tree modification pre-order tree iteration post-order tree iteration resolve relative and absolute node paths walking from one node to an other. tree rendering (see example above) node attach/detach hookups ...
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How to write header row with csv.DictWriter?

... writeheader() method now available in 2.7 / 3.2: from collections import OrderedDict ordered_fieldnames = OrderedDict([('field1',None),('field2',None)]) with open(outfile,'wb') as fou: dw = csv.DictWriter(fou, delimiter='\t', fieldnames=ordered_fieldnames) dw.writeheader() # continue o...