小编FrC*_*rCr的帖子

我一直有这个问题所以我开始在Swift中为iPhone和iPad创建一个新的单视图应用程序.当目标是iOS 8.1时,一切正常,但如果我设置iOS 7.1(或7),我会收到Segmentation故障.当我转到产品>存档,当我在模拟器或我的设备中运行项目时,一切都很好.我尝试使用iOS 7和8模拟器进行编译.正如我所说,问题不在代码中,因为即使使用新创建的项目,它也会以这种方式运行.

CompileSwift normal armv7 /Users/francesco/Documents/XCode Projects/Prova/Prova/ViewController.swift
cd /Users/francesco/Documents/XCode Projects/Prova
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -c -primary-file "/Users/francesco/Documents/XCode Projects/Prova/Prova/ViewController.swift" "/Users/francesco/Documents/XCode Projects/Prova/Prova/AppDelegate.swift" -target armv7-apple-ios7.1 -target-cpu cortex-a8 -target-abi apcs-gnu -sdk /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS8.1.sdk -I /Users/francesco/Library/Developer/Xcode/DerivedData/Prova-argzihphsooyijfpeustrrhxmfmk/Build/Intermediates/ArchiveIntermediates/Prova/BuildProductsPath/Release-iphoneos -F /Users/francesco/Library/Developer/Xcode/DerivedData/Prova-argzihphsooyijfpeustrrhxmfmk/Build/Intermediates/ArchiveIntermediates/Prova/BuildProductsPath/Release-iphoneos -g -module-cache-path /Users/francesco/Library/Developer/Xcode/DerivedData/ModuleCache -Xcc -I/Users/francesco/Library/Developer/Xcode/DerivedData/Prova-argzihphsooyijfpeustrrhxmfmk/Build/Intermediates/ArchiveIntermediates/Prova/IntermediateBuildFilesPath/Prova.build/Release-iphoneos/Prova.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/francesco/Library/Developer/Xcode/DerivedData/Prova-argzihphsooyijfpeustrrhxmfmk/Build/Intermediates/ArchiveIntermediates/Prova/IntermediateBuildFilesPath/Prova.build/Release-iphoneos/Prova.build/Prova-generated-files.hmap -Xcc -I/Users/francesco/Library/Developer/Xcode/DerivedData/Prova-argzihphsooyijfpeustrrhxmfmk/Build/Intermediates/ArchiveIntermediates/Prova/IntermediateBuildFilesPath/Prova.build/Release-iphoneos/Prova.build/Prova-own-target-headers.hmap -Xcc -I/Users/francesco/Library/Developer/Xcode/DerivedData/Prova-argzihphsooyijfpeustrrhxmfmk/Build/Intermediates/ArchiveIntermediates/Prova/IntermediateBuildFilesPath/Prova.build/Release-iphoneos/Prova.build/Prova-all-target-headers.hmap -Xcc -iquote -Xcc /Users/francesco/Library/Developer/Xcode/DerivedData/Prova-argzihphsooyijfpeustrrhxmfmk/Build/Intermediates/ArchiveIntermediates/Prova/IntermediateBuildFilesPath/Prova.build/Release-iphoneos/Prova.build/Prova-project-headers.hmap -Xcc -I/Users/francesco/Library/Developer/Xcode/DerivedData/Prova-argzihphsooyijfpeustrrhxmfmk/Build/Intermediates/ArchiveIntermediates/Prova/BuildProductsPath/Release-iphoneos/include -Xcc -I/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include -Xcc -I/Users/francesco/Library/Developer/Xcode/DerivedData/Prova-argzihphsooyijfpeustrrhxmfmk/Build/Intermediates/ArchiveIntermediates/Prova/IntermediateBuildFilesPath/Prova.build/Release-iphoneos/Prova.build/DerivedSources/armv7 -Xcc -I/Users/francesco/Library/Developer/Xcode/DerivedData/Prova-argzihphsooyijfpeustrrhxmfmk/Build/Intermediates/ArchiveIntermediates/Prova/IntermediateBuildFilesPath/Prova.build/Release-iphoneos/Prova.build/DerivedSources -emit-module-doc-path /Users/francesco/Library/Developer/Xcode/DerivedData/Prova-argzihphsooyijfpeustrrhxmfmk/Build/Intermediates/ArchiveIntermediates/Prova/IntermediateBuildFilesPath/Prova.build/Release-iphoneos/Prova.build/Objects-normal/armv7/ViewController~partial.swiftdoc -O -module-name Prova -emit-module-path /Users/francesco/Library/Developer/Xcode/DerivedData/Prova-argzihphsooyijfpeustrrhxmfmk/Build/Intermediates/ArchiveIntermediates/Prova/IntermediateBuildFilesPath/Prova.build/Release-iphoneos/Prova.build/Objects-normal/armv7/ViewController~partial.swiftmodule -serialize-diagnostics-path /Users/francesco/Library/Developer/Xcode/DerivedData/Prova-argzihphsooyijfpeustrrhxmfmk/Build/Intermediates/ArchiveIntermediates/Prova/IntermediateBuildFilesPath/Prova.build/Release-iphoneos/Prova.build/Objects-normal/armv7/ViewController.dia -emit-dependencies-path /Users/francesco/Library/Developer/Xcode/DerivedData/Prova-argzihphsooyijfpeustrrhxmfmk/Build/Intermediates/ArchiveIntermediates/Prova/IntermediateBuildFilesPath/Prova.build/Release-iphoneos/Prova.build/Objects-normal/armv7/ViewController.d -o /Users/francesco/Library/Developer/Xcode/DerivedData/Prova-argzihphsooyijfpeustrrhxmfmk/Build/Intermediates/ArchiveIntermediates/Prova/IntermediateBuildFilesPath/Prova.build/Release-iphoneos/Prova.build/Objects-normal/armv7/ViewController.o

Stack dump:
0.  Program arguments: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -c -primary-file /Users/francesco/Documents/XCode …

我在一个网站上工作。当用户选择表单时，我需要阻止放大动画，但是我正在尝试使用此代码

<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">

它不起作用。我找不到任何东西，似乎我是唯一面临这个问题的人。较新的 iOS 版本是否仍支持它？我发现的大多数帖子都很旧

我正在研究一个简单的JS / jQuery脚本，以检测鼠标滚轮的滚动。

在大多数竞标使用“ mousewheel”的浏览器中，一切正常，但是在Firefox上，我必须使用“ DOMMouseScroll”。

问题是event.originalEvent.detail（从Firefox调用时）始终返回0。这样，我无法知道用户何时向上或向下滚动，并且我确定这不是预期的行为。

这是我的代码，如果可能的话：

$j(document).on('mousewheel DOMMouseScroll', function(event) {
    event.preventDefault();
    if(delay) return;
    delay = true;
    setTimeout(function(){delay = false},2000)

    var wd = event.originalEvent.wheelDelta || -event.originalEvent.detail;
    window.alert(event.originalEvent.detail); // to check the value
    var a= document.getElementsByClassName('wpb_revslider_element');
    if(wd <= 0) {
      for(var i = 0 ; i < a.length ; i++) {
        var t = a[i].getClientRects()[0].top;
        if(t >= 40) break;
      }
    }
    else {
      for(var i = a.length-1 ; i >= 0 ; i--) {
        var t = a[i].getClientRects()[0].top;
        if(t < …