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Add new field to every document in a MongoDB collection
...to add a new_field to all your collection, you have to use empty selector, and set multi flag to true (last param) to update all the documents
db.your_collection.update(
{},
{ $set: {"new_field": 1} },
false,
true
)
EDIT:
In the above example last 2 fields false, true specifies the upser...
How Python web frameworks, WSGI and CGI fit together
...rives.
The reason this is so great is that we can avoid the messy step of converting from a HTTP GET/POST to CGI to Python, and back again on the way out. It's a much more direct, clean and efficient linkage.
It also makes it much easier to have long-running frameworks running behind web servers, ...
How to select the last record of a table in SQL?
...red Mar 4 '11 at 8:48
Adriaan StanderAdriaan Stander
146k2626 gold badges261261 silver badges272272 bronze badges
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Sort JavaScript object by key
...'re sorting those using default sorting algorithm, next .reduce is used to convert that array back into an object, but this time with all of the keys sorted.
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How to clear a notification in Android
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I don't know why this isn't upvoted more and selected as the answer. This was the solution I was looking for. Thanks!
– loeschg
Jan 29 '13 at 23:48
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iOS 7 sizeWithAttributes: replacement for sizeWithFont:constrainedToSize
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If you have the text, font, numberOfLines and width of your label set, this method returns the size of your label:
myLabel.numberOfLines = 0;
CGSize size = [myLabel sizeThatFits:CGSizeMake(myLabel.frame.size.width, CGFLOAT_MAX)];`
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How to stop C# console applications from closing automatically? [duplicate]
...compile (start debugging) your work with Ctrl+F5.
Try it. I always do it and the console shows me my results open on it. No additional code is needed.
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Using javadoc for Python documentation [closed]
I am currently beginning with Python and I have a strong PHP background and in PHP I have took the habit of using javadoc as a documentation template.
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Return rows in random order [duplicate]
Is it possible to write SQL query that returns table rows in random order every time the query run?
6 Answers
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Use String.split() with multiple delimiters
I need to split a string base on delimiter - and . . Below are my desired output.
13 Answers
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