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jsonify a SQLAlchemy result set in Flask [duplicate]
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It seems that you actually haven't executed your query. Try following:
return jsonify(json_list = qryresult.all())
[Edit]: Problem with jsonify is, that usually the objects cannot be jsonified automatically. Even Python's datetime fails ;)
Wha...
Accessing dict keys like an attribute?
...__init__(*args, **kwargs)
self.__dict__ = self
Some pros:
It actually works!
No dictionary class methods are shadowed (e.g. .keys() work just fine. Unless - of course - you assign some value to them, see below)
Attributes and items are always in sync
Trying to access non-existent key as an...
Sass or Compass without ruby?
...uage. At this point, you can use the Sass engine in Ruby, Node.js, Python, PHP, Java, .NET and others. For more information, visit libSass. Also, your IDE might have a plugin which would support Sass, without the need of ruby by using the libSass.
The original answer below may or may not apply to y...
Python's equivalent of && (logical-and) in an if-statement
... different name in Python.
The logical operators && and || are actually called and and or.
Likewise the logical negation operator ! is called not.
So you could just write:
if len(a) % 2 == 0 and len(b) % 2 == 0:
or even:
if not (len(a) % 2 or len(b) % 2):
Some additional information (...
Why is “if not someobj:” better than “if someobj == None:” in Python?
...a __nonzero__ special method (as do numeric built-ins, int and float), it calls this method. It must either return a bool value which is then directly used, or an int value that is considered False if equal to zero.
Otherwise, if the object has a __len__ special method (as do container built-ins, li...
List attributes of an object
...ict__
Then you can test what type is with type() or if is a method with callable().
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What are all the common ways to read a file in Ruby?
...e file all at once:
content = File.readlines 'file.txt'
content.each_with_index{|line, i| puts "#{i+1}: #{line}"}
When the file is large, or may be large, it is usually better to process it line-by-line:
File.foreach( 'file.txt' ) do |line|
puts line
end
Sometimes you want access to the file...
Can scrapy be used to scrape dynamic content from websites that are using AJAX?
...and am dipping my hand into building a web-scraper. It's nothing fancy at all; its only purpose is to get the data off of a betting website and have this data put into Excel.
...
How do i find out what all symbols are exported from a shared object?
I have a shared object(dll). How do i find out what all symbols are exported from that?
9 Answers
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to remove first and last element in array
...thod.
fruits.splice(0, 1); // Removes first array element
var lastElementIndex = fruits.length-1; // Gets last element index
fruits.splice(lastElementIndex, 1); // Removes last array element
To remove last element also you can do it this way:
fruits.splice(-1, 1);
See Remove last item from a...