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Remove duplicate lines without sorting [duplicate]
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The UNIX Bash Scripting blog suggests:
awk '!x[$0]++'
This command is telling awk which lines to print. The variable $0 holds the entire contents of a line and square brackets are array access. So, for each line of the file, the node of the array x is incremented and the...
What is the idiomatic Go equivalent of C's ternary operator?
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What is the difference between inversedBy and mappedBy?
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jake stayman
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answered Sep 19 '12 at 13:32
Andreas LindenAndreas Linden
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Webview load html from assets directory
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Samuel
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answered Jun 30 '10 at 18:57
Robby PondRobby Pon...
Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP
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edited Nov 9 '13 at 10:40
ralight
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Indent starting from the second line of a paragraph with CSS
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– Sam Hasler
Jun 9 '17 at 10:47
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How to test if one java class extends another at runtime?
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answered Aug 17 '10 at 16:48
meritonmeriton
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Update all values of a column to lowercase
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See http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_lower
UPDATE table_name SET tag = LOWER(tag)
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Sharing src/test classes between modules in a multi-module maven project
...groupId>
<artifactId>data</artifactId>
<version>1.0</version>
<type>test-jar</type>
<scope>test</scope>
</dependency>
I've used this approach on many occasions and it works well.
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How do I automatically update a timestamp in PostgreSQL
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To populate the column during insert, use a DEFAULT value:
CREATE TABLE users (
id serial no...