大约有 40,700 项符合查询结果(耗时:0.0664秒) [XML]

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What is the best method of handling currency/money?

...se a DECIMAL type in your database. In your migration, do something like this: # precision is the total number of digits # scale is the number of digits to the right of the decimal point add_column :items, :price, :decimal, :precision => 8, :scale => 2 In Rails, the :decimal type is returne...
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iPhone UIButton - image position

... My solution to this is quite simple [button sizeToFit]; button.titleEdgeInsets = UIEdgeInsetsMake(0, -button.imageView.frame.size.width, 0, button.imageView.frame.size.width); button.imageEdgeInsets = UIEdgeInsetsMake(0, button.titleLabel.fr...
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How to safely upgrade an Amazon EC2 instance from t1.micro to large? [closed]

I have an Amazon EC2 micro instance (t1.micro). I want to upgrade this instance to large. This is our production environment, so what is the best and risk-free way to do this? ...
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Java : How to determine the correct charset encoding of a stream

With reference to the following thread: Java App : Unable to read iso-8859-1 encoded file correctly 15 Answers ...
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Validate that end date is greater than start date with jQuery

How do I check/validate in jQuery whether end date [textbox] is greater than start date [textbox]? 15 Answers ...
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Why do I get an UnsupportedOperationException when trying to remove an element from a List?

I have this code: 16 Answers 16 ...
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Difference between a user and a schema in Oracle?

What is the difference between a user and a schema in Oracle? 15 Answers 15 ...
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How do I use installed packages in PyCharm?

..._ "path/to/gnuradio" Most commonly you'll have a folder structure like this: foobarbaz/ gnuradio/ __init__.py other_file.py You want to add foobarbaz to the path here. share | improve...
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How to correctly implement custom iterators and const_iterators?

...r all of them (depends on implementation). For example: // iterator class is parametrized by pointer type template <typename PointerType> class MyIterator { // iterator class definition goes here }; typedef MyIterator<int*> iterator_type; typedef MyIterator<const int*> const_...
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Populate a Razor Section From a Partial

My main motivation for trying to do this is to get Javascript that is only required by a partial at the bottom of the page with the rest of the Javascript and not in the middle of the page where the partial is rendered. ...