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How to remove a field completely from a MongoDB document?
... looks like this:
{
name: 'book',
tags: [
{
words: ['abc','123'],
lat: 33,
long: 22
}, {
words: ['def','456'],
lat: 44,
long: 33
}
]
}
To remove the column words from the embedded document, do this:
db.example.update(
{'tags': {'$exists':...
Getting distance between two points based on latitude/longitude
...to the wise, this formula requires all degrees be positive. radians(abs(52.123)) should do the trick...
– Richard Dunn
Jul 4 '17 at 11:41
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How to fix “ImportError: No module named …” error in Python?
...
123
Python does not add the current directory to sys.path, but rather the directory that the scrip...
Is there a Subversion command to reset the working copy?
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vcsjonesvcsjones
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The source was not found, but some or all event logs could not be searched
...edited Feb 2 '15 at 16:07
Rizier123
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answered Feb 2 '15 at 15:47
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How to call Base Class's __init__ method from the child class? [duplicate]
...
123
You could use super(ChildClass, self).__init__()
class BaseClass(object):
def __init__(se...
What is difference between instantiating an object using new vs. without
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123
The line:
Time t (12, 0, 0);
... allocates a variable of type Time in local scope, generall...
How do I delete all messages from a single queue using the CLI?
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123
rabbitmqadmin is the perfect tool for this
rabbitmqadmin purge queue name=name_of_the_queue_t...
How can I list all collections in the MongoDB shell?
...
AdaTheDevAdaTheDev
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How to pass json POST data to Web API method as an object?
...structure of our view model class
var model = {
Name: "Shyju",
Id: 123,
Tags: [{ Id: 12, Code: "C" }, { Id: 33, Code: "Swift" }]
};
$.ajax({
type: "POST",
data: JSON.stringify(model),
url: "../product/save",
contentType: "application/json"
}).done(function(res) {
...