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OWIN Startup Class Missing
...his will help you..
public class Startup
{
public void Configuration(IAppBuilder app)
{
app.MapSignalR();
}
}
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iOS: How to store username/password within an app?
I have a login-screen in my iOS app.
The username and password will be saved in the NSUserDefaults and be loaded into the login-screen again when you enter the app again (of course, NSUserDefaults are permanent).
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“Default Activity Not Found” on Android Studio upgrade
... Didn't work for me. I'm having to settle for launching the app manually. This sucks.
– DavidH
Oct 30 '18 at 10:55
2
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How do I add custom field to Python log format string?
... to pass the extra info with every logging call:
import logging
extra = {'app_name':'Super App'}
logger = logging.getLogger(__name__)
syslog = logging.StreamHandler()
formatter = logging.Formatter('%(asctime)s %(app_name)s : %(message)s')
syslog.setFormatter(formatter)
logger.setLevel(logging.INFO...
Reloading the page gives wrong GET request with AngularJS HTML5 mode
I want to enable HTML5 mode for my app. I have put the following code for the configuration, as shown here :
24 Answers
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- App应用开发 - 清泛IT社区，为创新赋能！
经过测试，使用透明背景的 .png 图片作为App的图标，可以实现镂空效果：
比如：app.png
使用看图软件打开的效果，表明背景是透明色的：
安装App到手机的效果：
AppInventor2关闭屏幕时，如何让计时器继续工作？ - App应用开发 - 清泛IT...
转：AppInventor2关闭屏幕时，如何让计时器继续工作？
这是一个很好的问题，通过查看文档可以看到有一个“一直计时”属性，默认是勾选的：
这个属性就是用来控制App后台运行/屏幕关闭时，计时器是否继续工作的。
经...
【拍照图片处理】Attempt to invoke virtual method 'boolean android.grap...
在做图片识别App的时候，选择相册图片没有问题，拍照后图片就报错：
Attempt to invoke virtual method 'boolean android.graphics.Bitmap.compress(android.graphics.Bitmap$CompressFormat, int, java.io.OutputStream)' on a null object reference
图片大致的处理流程是...
“信息分享器”误点了始终按钮，还能恢复初始的选择选项吗？ - App应用开发...
Q：分享器打开后原有很多可选的APP，包括微信，地图等等，对话框下有（始终）和（仅一次），误点了（始终），则再次打开就只有一种选择，重新安装后也是如此，换个手机就又好了，但是如再次点击（始终）选择，则这个...
Xcode: failed to get the task for process
I've run in release mode my app on a iPhone with Xcode 4.
13 Answers
13
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