大约有 48,000 项符合查询结果(耗时:0.0665秒) [XML]

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CSS3 Transparency + Gradient

...round-image: -webkit-gradient( linear, left top, left bottom, from(rgba(50,50,50,0.8)), to(rgba(80,80,80,0.2)), color-stop(.5,#333333) ); (src) /* mozilla example - FF3.6+ */ background-image: -moz-linear-gradient( rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0) 95% ); (src) Apparent...
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How do I detect what .NET Framework versions and service packs are installed?

...------------------------------------------------------------------------ 1.0 HKLM\Software\Microsoft\.NETFramework\Policy\v1.0\3705 1.1 HKLM\Software\Microsoft\NET Framework Setup\NDP\v1.1.4322\Install 2.0 HKLM\Software\Microsoft\NET Framework Setup\NDP...
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How to get subarray from array?

... | edited Nov 16 '19 at 2:08 Artyom Ionash 27155 silver badges1212 bronze badges answered Sep 24 '11 at ...
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In Scala, what exactly does 'val a: A = _' (underscore) mean?

...he variable to a default value. From the Scala Language Specification: 0 if T is Int or one of its subrange types, 0L if T is Long, 0.0f if T is Float, 0.0d if T is Double, false if T is Boolean, () if T is Unit, null for all other types T. ...
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How Pony (ORM) does its tricks?

... 210 Pony ORM author is here. Pony translates Python generator into SQL query in three steps: Deco...
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Is there a splice method for strings?

... 10 Answers 10 Active ...
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Adjust UILabel height to text

...e just put this in a playground and it works for me. Updated for Swift 4.0 import UIKit func heightForView(text:String, font:UIFont, width:CGFloat) -> CGFloat{ let label:UILabel = UILabel(frame: CGRectMake(0, 0, width, CGFloat.greatestFiniteMagnitude)) label.numberOfLines = 0 lab...
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get list from pandas dataframe column

..._one_arr}\ntype:{type(col_one_arr)}") Output: DataFrame: one two a 1.0 1 b 2.0 2 c 3.0 3 d NaN 4 column types: one float64 two int64 dtype: object col_one_list: [1.0, 2.0, 3.0, nan] type:<class 'list'> col_one_arr: [ 1. 2. 3. nan] type:<class 'numpy.ndarray...
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How to set enum to null

...e for enums that cannot be null by having the FIRST value in the enum (aka 0) be the default value. For example in a case of color None. public Color myColor = Color.None; share | improve this ans...
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How to avoid the “divide by zero” error in SQL?

... by zero" error we have programmed it like this: Select Case when divisor=0 then null Else dividend / divisor End ,,, But here is a much nicer way of doing it: Select dividend / NULLIF(divisor, 0) ... Now the only problem is to remember the NullIf bit, if I use the "/" key. ...