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MAC addresses in JavaScript
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answered Aug 14 '08 at 6:21
Grey PantherGrey Panther
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MySQL, update multiple tables with one query
..., we increase the number of books in a particular order with Order.ID = 1002 in Orders table then we also need to reduce that the total number of books available in our stock by the same number in Books table.
UPDATE Books, Orders
SET Orders.Quantity = Orders.Quantity + 2,
Books.InStock = Books....
What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA
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edited Oct 25 '12 at 18:08
David
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answered May 2...
JavaScript - cannot set property of undefined
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data: c
};
};
If you're in an environment that supports ES2015 features, you can use computed property names:
d = {
[a]: {
greetings: b,
data: c
}
};
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MySql Table Insert if not exist otherwise update
...x for MySQL:
INSERT INTO AggregatedData (datenum,Timestamp)
VALUES ("734152.979166667","2010-01-14 23:30:00.000")
ON DUPLICATE KEY UPDATE
Timestamp=VALUES(Timestamp)
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How can I expand the full path of the current file to pass to a command in Vim?
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162
:!mycommand %:p
Related:
:!cd %:p:h
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UILabel - Wordwrap text
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302
If you set numberOfLines to 0 (and the label to word wrap), the label will automatically wrap an...
What data is stored in Ephemeral Storage of Amazon EC2 instance?
I am trying to stop a Amazon EC2 instance and get the warning message
4 Answers
4
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Swift variable decorations with “?” (question mark) and “!” (exclamation mark)
... Int = 1
// The type here is not "Int", it's "Optional Int"
var y: Int? = 2
// The type here is "Implicitly Unwrapped Optional Int"
var z: Int! = 3
Usage:
// you can add x and z
x + z == 4
// ...but not x and y, because y needs to be unwrapped
x + y // error
// to add x and y you need to do:
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How to set std::tuple element by index?
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2 Answers
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