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How to serialize SqlAlchemy result to JSON?
...turn fields
return json.JSONEncoder.default(self, obj)
and then convert to JSON using:
c = YourAlchemyClass()
print json.dumps(c, cls=AlchemyEncoder)
It will ignore fields that are not encodable (set them to 'None').
It doesn't auto-expand relations (since this could lead to self-refe...
What is a method group in C#?
I have often encountered an error such as "cannot convert from 'method group' to 'string'" in cases like:
5 Answers
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Difference between two dates in Python
... d2 = d2.strftime("%Y-%m-%d")
return abs((d2 - d1).days)
This will convert your datetime objects to strings but, two things
1) Trying to do d2 - d1 will fail as you cannot use the minus operator on strings and
2) If you read the first line of the above answer it stated, you want to use the ...
PHPMailer character encoding issues
...an use utf8_encode as David says. Otherwise use mb_detect_encoding and mb_convert_encoding on $message.
Also take note that
$mail -> charSet = "UTF-8";
Should be replaced by:
$mail->CharSet = 'UTF-8';
And placed after the instantiation of the class (after the new). The properties are ...
When to use %r instead of %s in Python? [duplicate]
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The %s specifier converts the object using str(), and %r converts it using repr().
For some objects such as integers, they yield the same result, but repr() is special in that (for types where this is possible) it conventionally returns a re...
How to view files in binary from bash?
...comfortable with hex just locate the bytes in which you are interested and convert them using a hex calculator.
– Duck
Nov 19 '09 at 18:38
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How to use XPath contains() here?
...ode in the list is <li><b>Type:</b> Clip Fan</li> (converted to a string: "Type: Clip Fan") which means that this:
//ul[@class='featureList' and contains(li, 'Type')]
would actually select a node!
s...
What is the meaning of the prefix N in T-SQL statements and when should I use it?
... string constants with the letter N. Without
the N prefix, the string is converted to the default code page of the
database. This default code page may not recognize certain characters.
If you want to know the difference between these two data types, see this SO post:
What is the difference...
How to map with index in Ruby?
What is the easiest way to convert
10 Answers
10
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JavaScript/jQuery to download file via POST with JSON data
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It will corrupt binary files, because they get converted to strings using encoding, and result is not very close to original binary...
– Gobol
Feb 27 '17 at 7:40
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