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getting the last item in a javascript object
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No. Order is not guaranteed in JSON and most other key-value data structures, so therefore the last item could sometimes be carrot and at other times be banana and so on. If you need to rely on ordering, your best bet is to go wi...
How to “warm-up” Entity Framework? When does it get “cold”?
...o warm up those apart from: Doing dummy data reads at Application Start in order to warm things up, generate and validate the models.
– manishKungwani
Jul 4 '13 at 19:51
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n-grams in python, four, five, six grams?
...'simplest text i', 'text i could', 'i could think', 'could think of']
In order to keep the ngrams in array format just remove ' '.join
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How do I pass a unique_ptr argument to a constructor or a function?
... Value
Base(std::unique_ptr<Base> n)
: next(std::move(n)) {}
In order for the user to call this, they must do one of the following:
Base newBase(std::move(nextBase));
Base fromTemp(std::unique_ptr<Base>(new Base(...));
To take a unique pointer by value means that you are transfer...
What is the max size of localStorage values?
Since localStorage (currently) only supports strings as values, and in order to do that the objects need to be stringified (stored as JSON-string) before they can be stored, is there a defined limitation regarding the length of the values.
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Do I need to disable NSLog before release Application?
...xcode it write to stderr too.
The main problem lays in the first one. In order to achieve thread safe, every time NSLog is called, it opens an connection to ASL facility, sends message, and closes the connection. The connection operation is very expensive. Another reason is that NSLog spends some ...
PostgreSQL - fetch the row which has the Max value for a column
...lue(trans_id) OVER wnd
FROM lives
WINDOW wnd AS (
PARTITION BY usr_id ORDER BY time_stamp, trans_id
ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING
);
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How to hide columns in HTML table?
...l hold the space. For the div tags you would have to use display: none; in order to truly collapse and not hold the space.
– Dov Miller
Apr 3 '16 at 11:30
5
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Python list sort in descending order
How can I sort this list in descending order?
6 Answers
6
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Why does direction of index matter in MongoDB?
...me way and uses it as the key in a BTree.
When finding single items - The order of the nodes in the tree is irrelevant.
If you are returning a range of nodes - The elements close to each other will be down the same branches of the tree. The closer the nodes are in the range the quicker they can b...