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Get the internal macbook screen with NSScreen

由 ╄→尐↘猪︶ㄣ 提交于 2020-06-08 05:53:06
问题 If I have an external monitor connected to my MacBook, how would I retrieve the MacBook screen? Either of the screens could be the screen with the menubar and the dock. They could also have the same resolution, the same name etc.. Is it posible to determine it without requesting the user to unplug all screens except the MacBook screen? 回答1: You can use CGDisplayIsBuiltin() to find out if the display is builtin. Example code: int i = 0; for(NSScreen* screen in [NSScreen screens]) {

How to manage the Blank White Loading screen of an Android Webview?

由 心不动则不痛 提交于 2020-03-18 10:31:56
问题 This is more of a visual thing than a direct issue, but when a WebView loads in my application, the screen is blank white for between 2-4 seconds until the content is fully loaded. The time is dependent on the size of content that is loading. Is there a way to manage this, so that the screen will only refresh to the content when loaded? Something like a "loading..." animation or something similar? I just do not want the plain white screen presented to my users. I have a splash screen that

解读Windows蓝屏代码,了解故障起因

由 好久不见. 提交于 2020-03-13 13:54:48
Windows蓝屏代码全析： 0x00000026 到达档案结尾。 0x00000027 磁盘已满。 0x00000032 不支持这种网络要求。 0x00000033 远程计算机无法使用。 0x00000034 网络名称重复。 0x00000035 网络路径找不到。 0x00000036 网络忙碌中。 0x00000037 The specified network resource or device is no longer available. 0x00000038 The network BIOS command limit has been reached. 0x00000039 网络配接卡发生题。 0x0000003A 指定的服务器无法执行要求的作业。 0x0000003B 网络发生意外错误。 0x0000003C 远程配接卡不兼容。 0x0000003D 打印机队列已满。 0x0000003E 服务器的空间无法储存等候打印的档案。 0x0000003F 等候打印的档案已经删除。 0x00000040 指定的网络名称无法使用。 0x00000041 拒绝存取网络。 0x00000041 拒绝存取网络。 0x00000042 网络资源类型错误。 0x00000043 网络名称找不到。 0x00000044 超过区域计算机网络配接卡的名称限制。 0x00000045

Flutter screen size

由 拈花ヽ惹草 提交于 2020-02-26 05:05:07
问题 I've created a new application on flutter, and I've had problems with the screen sizes when switching between different devices. I created the application using the Pixel 2XL screen size, and because I've had containers with child of ListView it's asked me to include a height and width for the container. So when i switch the device to a new device the container is too long and throws an error. How can i go about making it so the application is optimised for all screens? 回答1: You can use:

After updating to Xcode 10.2 build gets black screen on testflight

由 北战南征 提交于 2020-02-24 08:16:34
问题 I had my app working perfectly. I've updated the Xcode to the latest 10.2 version and something weird happened (as usual with any update...) The app runs smoothly on the debugger. No issues at all! When I archive a version to testflight, that version shows the splashscreen then goes into black screen (without crashing) just stays in the black screen... does anyone know what might be happening here? thanks in advance 回答1: Because of iOS 13 and later, app launch different than earlier versions.

After updating to Xcode 10.2 build gets black screen on testflight

由 非 Y 不嫁゛ 提交于 2020-02-24 08:15:46
问题 I had my app working perfectly. I've updated the Xcode to the latest 10.2 version and something weird happened (as usual with any update...) The app runs smoothly on the debugger. No issues at all! When I archive a version to testflight, that version shows the splashscreen then goes into black screen (without crashing) just stays in the black screen... does anyone know what might be happening here? thanks in advance 回答1: Because of iOS 13 and later, app launch different than earlier versions.

Android maps - Markers Bounds at the center of top half of map area

由 三世轮回 提交于 2020-02-12 04:55:40
问题 I have Android Map Extension attached under actionBar. I have couple of markers, lets say 2000. Than I have ArrayList of selected 3 markers upon some constant condition, nevermind. I want to zoom and move map to include this selected 3 markers at max possible zoom. It's an easy task, from this forum I found an easy way to do it : LatLngBounds bounds = new LatLngBounds.Builder().include(new LatLng(maxLat, maxLon)).include(new LatLng(minLat, minLon)).build(); mMap.moveCamera(CameraUpdateFactory

Background image cover whole screen

由 巧了我就是萌 提交于 2020-02-08 05:51:06
问题 On the homepage of http://www.jeroenvanderwaal.com i'm trying to get the background image to cover the whole screen. I am unable to find out why it isn't covering but leaving an empty space at the bottom. The code so far: .page-id-4 #main { background-image: url(http://www.jeroenvanderwaal.com/wp-content/uploads/2015/03/achtergrond2.jpg); background-repeat: no-repeat; background-attachment: fixed; background-position: center center; -webkit-background-size: cover; -moz-background-size: cover;

Using System.Drawing to draw a crosshair on the desktop?

由 和自甴很熟 提交于 2020-02-07 07:14:41
问题 I'm trying to create a very small c# utility application that will utilize System.Drawing to draw a full screen, static, fixed cross-hair on my desktop so that I can align some desktop items to the relevant screen center. I tried looking up a few examples but didn't come up with a whole lot and was wondering if anyone had any experience in this area. I would prefer not making a transparent full screen window to accomplish this feat if possible. 回答1: Loads of issues come up when you try this.

Using System.Drawing to draw a crosshair on the desktop?

由 回眸只為那壹抹淺笑 提交于 2020-02-07 07:14:05
问题 I'm trying to create a very small c# utility application that will utilize System.Drawing to draw a full screen, static, fixed cross-hair on my desktop so that I can align some desktop items to the relevant screen center. I tried looking up a few examples but didn't come up with a whole lot and was wondering if anyone had any experience in this area. I would prefer not making a transparent full screen window to accomplish this feat if possible. 回答1: Loads of issues come up when you try this.
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