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Why can't you modify the data returned by a Mongoose Query (ex: findById)
...where you want a plain JS object instead of a full model instance, you can call lean() on the query chain like so:
Survey.findById(req.params.id).lean().exec(function(err, data){
var len = data.survey_questions.length;
var counter = 0;
_.each(data.survey_questions, function(sq){
...
How to read keyboard-input?
...e mixing different Pythons here (Python 2.x vs. Python 3.x)...
This is basically correct:
nb = input('Choose a number: ')
The problem is that it is only supported in Python 3. As @sharpner answered, for older versions of Python (2.x), you have to use the function raw_input:
nb = raw_input('Choos...
Zooming MKMapView to fit annotation pins?
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@EnekoAlonso You can work around this by calling removeAnnotations(_ annotations:) immediately after showAnnotations(_ annotations:animated)
– Alain Stulz
Aug 18 '16 at 19:46
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How to override Backbone.sync?
I'm trying out Backbone.js, and one of the things I'm trying is to make a call to a remote API, so I need to be able to override Backbone.sync, as I understand the documentation .
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What is a NullReferenceException, and how do I fix it?
...rammers often make which can lead to a NullReferenceException.
More Specifically
The runtime throwing a NullReferenceException always means the same thing: you are trying to use a reference, and the reference is not initialized (or it was once initialized, but is no longer initialized).
This means t...
What is the difference between encode/decode?
...so:
>>> s = u'ö'
>>> s.decode()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
UnicodeEncodeError: 'ascii' codec can't encode character u'\xf6' in position 0:
ordinal not in range(128)
>>> s.encode('ascii')
Traceback (most recent ca...
When to use a “has_many :through” relation in Rails?
... delegating a model relationship to another model, so instead of having to call car.engine.pistons, you can just do car.pistons
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...t 4.0+
<%#: %> - is used for data binding expressions and is automatically HTMLEncoded.
<%-- --%> - is for server-side comments
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How do I create a parameterized SQL query? Why Should I?
...ith preventing SQL injection. However, most of the time you still have to call them using query parameters or they don't help. If you use stored procedures exclusively, then you can turn off permissions for SELECT, UPDATE, ALTER, CREATE, DELETE, etc (just about everything but EXEC) for the applica...
MySQL 'create schema' and 'create database' - Is there any difference
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@DerMike I Seem To Recall, internetslang.com/ISTR-meaning-definition.asp
– reevesy
Aug 30 '12 at 16:55
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