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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...
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...
How to move certain commits to be based on another branch in git?
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380
This is a classic case of rebase --onto:
# let's go to current master (X, where quickfix2 sh...
File content into unix variable with newlines
...:
pax> function count {
...> echo $#
...> }
pax> count 1 2 3
3
pax> count a b c d
4
pax> count $x
4
pax> count "$x"
1
Here, the count function simply prints out the number of arguments given. The 1 2 3 and a b c d variants show it in action.
Then we try it with the two va...
Turning live() into on() in jQuery
...hods:
$(selector).live(events, data, handler); // jQuery 1.3+
$(document).delegate(selector, events, data, handler); // jQuery 1.4.3+
$(document).on(events, selector, data, handler); // jQuery 1.7+
...
Getting an empty JQuery object
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edited Jun 23 '11 at 5:44
answered May 22 '09 at 11:03
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jquery how to empty input field
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423
You can clear the input field by using $('#shares').val('');
...
What is the difference between double-ampersand (&&) and semicolon (;) in Linux Bash?
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3 Answers
3
Active
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IOS: create a UIImage or UIImageView with rounded corners
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237
Yes, it is possible.
Import the QuartzCore (#import <QuartzCore/QuartzCore.h>) header an...
Converting dict to OrderedDict
..., then passing that dictionary to an OrderedDict. For Python versions < 3.6 (*), by the time you do that, the ordering is no longer going to be correct. dict is inherently not ordered.
Pass in a sequence of tuples instead:
ship = [("NAME", "Albatross"),
("HP", 50),
("BLASTERS", ...