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denkeni
/ Auto-Layout-Programmatically-2-5.swift
Created
April 4, 2017 04:06
Auto Layout Programmatically 2-5
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| constraints += NSLayoutConstraint.constraints(withVisualFormat: "H:|-(15)-[subview1(100)]-(10)-[subview2(120)]-(10)-[subview3]-(15)-|", | |
| options: .alignAllTop, metrics: nil, views: viewsDict) | |
| constraints += NSLayoutConstraint.constraints(withVisualFormat: "V:[subview1(300)]", | |
| options: [], metrics: nil, views: viewsDict) | |
| constraints += NSLayoutConstraint.constraints(withVisualFormat: "V:[subview2(200)]", | |
| options: [], metrics: nil, views: viewsDict) | |
| constraints += NSLayoutConstraint.constraints(withVisualFormat: "V:[subview3(150)]", | |
| options: [], metrics: nil, views: viewsDict) |
denkeni
/ Auto-Layout-Programmatically-3-1.swift
Last active
May 6, 2017 14:52
Auto Layout Programmatically 3-1
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| let spacer1 = UIView() | |
| let spacer2 = UIView() | |
| spacer1.translatesAutoresizingMaskIntoConstraints = false | |
| spacer2.translatesAutoresizingMaskIntoConstraints = false | |
| view.addSubview(spacer1) | |
| view.addSubview(spacer2) | |
| constraints += NSLayoutConstraint.constraints(withVisualFormat: "H:|-(p)-[subview1(100)]-[spacer1]-[subview2(120)]-[spacer2(==spacer1)]-[subview3(130)]-(p)-|", | |
| options: [], metrics: metrics, views: viewsDict) | |
| constraints += NSLayoutConstraint.constraints(withVisualFormat: "V:|-(p)-[subview1]-(p)-|", |
denkeni
/ Auto-Layout-Programmatically-3-2.swift
Created
May 6, 2017 14:58
Auto Layout Programmatically 3-2
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| let spacer1 = UILayoutGuide() | |
| let spacer2 = UILayoutGuide() | |
| view.addLayoutGuide(spacer1) | |
| view.addLayoutGuide(spacer2) |
denkeni
/ Auto-Layout-Programmatically-3-3.swift
Last active
May 6, 2017 15:07
Auto Layout Programmatically 3-3
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| let subview = UIStackView() | |
| subview.axis = .horizontal | |
| subview.alignment = .center | |
| subview.distribution = .equalSpacing | |
| subview.addArrangedSubview(arrangedSubview1) | |
| subview.addArrangedSubview(arrangedSubview2) | |
| subview.addArrangedSubview(arrangedSubview3) |
denkeni
/ Double_to_String.swift
Last active
December 31, 2017 08:59
Double to String Precision Issue (Swift & Obj-C)
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| let value : Double = 1234567890.1234567 | |
| // 1. String format | |
| "\(value)" == "1234567890.1234567" // false | |
| "\(value)" // "1234567890.12346" | |
| value.description | |
| String(format: "%f", value) == "1234567890.1234567" // false | |
| String(format: "%f", value) // "1234567890.123457" | |
| String(format: "%.7f", value) == "1234567890.1234567" // true! |
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