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Referencing another schema in Mongoose
...when you make your query, you can populate references like this:
Post.findOne({_id: 123})
.populate('postedBy')
.exec(function(err, post) {
// do stuff with post
});
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Get last result in interactive Python shell
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Just for the record, ipython takes this one step further and you can access every result with _ and its numeric value
In [1]: 10
Out[1]: 10
In [2]: 32
Out[2]: 32
In [3]: _
Out[3]: 32
In [4]: _1
Out[4]: 10
In [5]: _2
Out[5]: 32
In [6]: _1 + _2
Out[6]: 42
In [...
Why does pattern matching in Scala not work with variables?
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Seems like one can't use this as a stable identifier to pattern match against it, only way seems to be using an equality guard like case x if x == this =>. Probably a syntactical limitation, otherwise it should semantically work at l...
How to print instances of a class using print()?
...t a string (but if you return a string, the conversion to unicode will be done anyway...)
– kender
Oct 8 '09 at 5:32
@...
What is the difference between declarative and procedural programming paradigms?
...at order. You just need your result without digging into how it should be done.
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Specifying an Index (Non-Unique Key) Using JPA
...ut unfortunately, the author of the library stopped maintaining it, so someone forked, fixed bugs, and rebranded it as ReActiveAndroid - use this if you're starting a new project or refer to Migration Guide if you want to replace ActiveAndroid in a legacy project.
ReActiveAndroid: Annotation com.rea...
Comparing Dates in Oracle SQL
...type TO_DATE and Date-Format every time. Good for LAZY developers like me. One thing to Notice is the DATE 2016-04-01 means 2016-04-01 00:00:00 really. And I think this syntax works since Oracle 9i as this is where ANSI-SQL syntax was introduced into Oracle.
– LeOn - Han Li
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Is it possible to use AutoLayout with UITableView's tableHeaderView?
... as a header view, so I think that the placement of the header view isn't done using constraints. It doesn't seem to behave like a normal view in that regard.
The width is automatically the width of the table view, the only thing you need to set is the height -- the origin values are ignored, so it...
Find the closest ancestor element that has a specific class
...st
For legacy browsers that do not support closest() but have matches() one can build selector-matching similar to @rvighne's class matching:
function findAncestor (el, sel) {
while ((el = el.parentElement) && !((el.matches || el.matchesSelector).call(el,sel)));
return el;
}
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What is the difference between Linq to XML Descendants and Elements
...googling the difference between them and did not get a clear answer. Which one of these have the best performance with small to medium XML files. Thanks
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