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Notepad++ htmltidy - unable to find libtidy.dll
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edited Apr 6 '19 at 2:40
Peter Mortensen
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hadoop No FileSystem for scheme: file
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edited Feb 18 at 21:04
answered Jan 14 '14 at 16:37
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How to wait for 2 seconds?
...esn't explicitly lay out the required string format.
This will wait for 2 seconds:
WAITFOR DELAY '00:00:02';
The format is hh:mi:ss.mmm.
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How to store arrays in MySQL?
...ARY KEY,
`name` VARCHAR(50)
);
CREATE TABLE fruits (
`fruit_name` VARCHAR(20) NOT NULL PRIMARY KEY,
`color` VARCHAR(20),
`price` INT
);
CREATE TABLE person_fruit (
`person_id` INT NOT NULL,
`fruit_name` VARCHAR(20) NOT NULL,
PRIMARY KEY(`person_id`, `fruit_name`)
);
The person_fruit table contai...
Install NPM into home directory with distribution nodejs package (Ubuntu)
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NPM will install local packages into your projects already, but I still like to keep the syste...
Deleting multiple elements from a list
... from a list at the same time? If I want to delete elements at index 0 and 2, and try something like del somelist[0] , followed by del somelist[2] , the second statement will actually delete somelist[3] .
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What does the “at” (@) symbol do in Python?
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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
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This reduces the number of round-trips to the database from N+1 to 2.
Most ORM tools give you several ways to prevent N+1 selects.
Reference: Java Persistence with Hibernate, chapter 13.
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Convert light frequency to RGB?
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answered Sep 24 '09 at 15:47
Stephen MesaStephen Mesa
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