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Inheriting class methods from modules / mixins in Ruby
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A common idiom is to use included hook and inject class methods from there.
module Foo
def self.included base
base.send :include, InstanceMethods
base.extend ClassMethods
end
module InstanceMethods
def bar1
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MySQL CONCAT returns NULL if any field contain NULL
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Is there a command like “watch” or “inotifywait” on the Mac?
... event about any change to that directory is received, the specified
shell command is executed by /bin/bash
If you're on GNU/Linux,
inotifywatch (part of the
inotify-tools package on most distributions) provides similar
functionality.
Update: fswatch can now be used across many platforms including...
Multiple Updates in MySQL
... should use INSERT IGNORE together with ON DUPLICATE KEY UPDATE. dev.mysql.com/doc/refman/5.5/en/insert.html
– Haralan Dobrev
Sep 16 '13 at 14:15
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What does “fragment” mean in ANTLR?
... new answer including your better answer.
– David Newcomb
Dec 6 '15 at 19:57
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How to Remove ReadOnly Attribute on File Using PowerShell?
...se problems. I'll blog the problems I'm seeing and link to it later. I recommend Keith's answer for PowerShell v2 (modern PowerShell).
– yzorg
Apr 21 '11 at 22:39
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Difference between numeric, float and decimal in SQL Server
... edited May 23 '17 at 11:33
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answered Aug 23 '11 at 9:20
ImanIman
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How can I remove a key and its value from an associative array?
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Here is a link to a solution that illustrates the comment by @FreeAsInBeer link with respect to the ampersand.
– Danimal Reks
Jun 4 '19 at 21:52
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Java: Subpackage visibility?
...ava there is no concept of a subpackage, so odp.proj and odp.proj.test are completely separate packages.
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