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What does “mro()” do?
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answered Jan 6 '10 at 3:17
Alex MartelliAlex Martelli
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Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...。chenhao-air:lua chenhao$ lua
Lua 5.2.2 Copyright (C) 1994-2013 Lua.org, PUC-Rio
> print("Hello, World")
Hello, World
>复制代码
也可以把脚本存成一个文件，用如下命令行来运行。>lua file.lua复制代码
或是像shell一样运行：c...
list_display - boolean icons for methods
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235
This is documented, although it's a bit hard to find - go a couple of screens down from here, a...
PostgreSQL function for last inserted ID
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( tl;dr : goto option 3: INSERT with RETURNING )
Recall that in postgresql there is no "id" concept for tables, just sequences (which are typically but not necessarily used as default values for surrogate primary keys, with the SERIAL pseudo-type...
Inserting multiple rows in a single SQL query? [duplicate]
...erver 2008.
For example:
INSERT INTO MyTable
( Column1, Column2, Column3 )
VALUES
('John', 123, 'Lloyds Office'),
('Jane', 124, 'Lloyds Office'),
('Billy', 125, 'London Office'),
('Miranda', 126, 'Bristol Office');
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HTML/CSS: Make a div “invisible” to clicks?
...an be done using CSS pointer-events. This property is supported in Firefox 3.6+, Chrome 2+, IE 11+, and Safari 4+. Unfortunately, I don't have knowledge of a cross-browser workaround.
#overlay {
pointer-events: none;
}
s...
Remove trailing newline from the elements of a string list
... Sven MarnachSven Marnach
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Extract value of attribute node via XPath
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356
//Parent[@id='1']/Children/child/@name
Your original child[@name] means an element child wh...
How to change the CHARACTER SET (and COLLATION) throughout a database?
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371
change database collation:
ALTER DATABASE <database_name> CHARACTER SET utf8 COLLATE utf...