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What is the difference between 'my' and 'our' in Perl?
...ariables. You can see that in the following program: package Foo; our $x = 123; package Bar; say $x;. If you want to "declare" a package variable, you need to use use vars qw( $x );. our $x; declares a lexically-scoped variable that is aliased to the same-named variable in the package in which the o...
StringUtils 字符串工具扩展：强大的文本处理工具集 · App Inventor 2 中文网
...本填充
// 左填充到10位
设置 StringUtils1.Text 为 "123"
设置 Label1.Text 为 调用 StringUtils1.LeftPad(10, "0")
// 结果: "0000000123"
// 居中对齐
设置 StringUtils1.Text 为 "Hi"
设置 Label2.Text 为 调用 StringUtils1.Center(10, "*")
// 结果: "****Hi****"
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select * vs select column
... order; all his code broke as soon as someone else changed the table. What fun we had.
– Paul McKenzie
Jul 5 '10 at 15:06
7
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How to do constructor chaining in C#
... {
}
}
then:
Foo a = new Foo(), b = new Foo(456,"def"), c = new Foo(123), d = new Foo("abc");
Note also:
you can chain to constructors on the base-type using base(...)
you can put extra code into each constructor
the default (if you don't specify anything) is base()
For "why?":
code r...
How to get index using LINQ? [duplicate]
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@kape123: This certainly also can be used for Dictionary and Hashset. Obviously the index returned isn't as "well defined" as an index in an ordered collection, but it can still be used with ElementAt to retrieve the matched eleme...
MetadataException: Unable to load the specified metadata resource
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Craig StuntzCraig Stuntz
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How do I invoke a Java method when given the method name as a string?
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123
Not a fair -1. Henrik is probably not advocating squashing exceptions and didn't write anything for them because he is just trying to demo...
Is it possible to set the stacking order of pseudo-elements below their parent element? [duplicate]
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123
However, if you have a normal parent div with a background, the lower element will be hidden. In this case, give the parent relative posit...
How can I remove a specific item from an array?
...ages (a lot of them older than JavaScript.)
– default123
Sep 10 at 0:16
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Use of .apply() with 'new' operator. Is this possible?
...nswered Jan 12 '12 at 22:20
user123444555621user123444555621
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