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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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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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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...
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
123k2323 gold badges101101 silver badges120120 bronze badges
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Set the absolute position of a view
...ut);
ImageView iv;
RelativeLayout.LayoutParams params;
int yellow_iv_id = 123; // Some arbitrary ID value.
iv = new ImageView(this);
iv.setId(yellow_iv_id);
iv.setBackgroundColor(Color.YELLOW);
params = new RelativeLayout.LayoutParams(30, 40);
params.leftMargin = 50;
params.topMargin = 60;
rl.addV...
When to use Storyboard and when to use XIBs
...hat ports Xcode 4's templates (with Storyboard-opt-out option) to Xcode 5: https://github.com/jfahrenkrug/Xcode4templates
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