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条码扫描器组件扫描时报错：Your device does not have a scanning applica...
转：App里面能了一个扫描功能，但在使用扫描功能时，提示，须要扫描程序，还须要安装什么吗？扫描二维码，使用的是App自带的扫描摸块。
解决：
[hide]
不使用外部扫描器，这个属性设置为假（去掉勾选）即可
原理...
How to pre-populate the sms body text via an html link
How to use an html link to open the sms app with a pre-filled body?
20 Answers
20
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Calling startActivity() from outside of an Activity?
...roid:launchMode="standard".
Intent i = new Intent().setClass(mActivity.getApplication(), TestUserProfileScreenActivity.class);
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
// Launch the new activity and add the additional flags to the intent
mActivity.getApplic...
Ask for User Permission to Receive UILocalNotifications in iOS 8
I have set up local notifications in the App Delegate Using this:
5 Answers
5
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Should Gemfile.lock be included in .gitignore?
...gem, then DO NOT check in your Gemfile.lock. If you are working on a Rails app, then DO check in your Gemfile.lock.
Here's a nice article explaining what the lock file is.
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App Inventor 2 自定义拍照及录像媒体文件的路径，进行目录规整 · App Inventor 2 中文网
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How do I hide a menu item in the actionbar?
... This is what I've thought of initially, but this crashes the application.
– Stir Zoltán
May 21 '12 at 21:30
3
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ReactJS Two components communicating
...
The best approach would depend on how you plan to arrange those components. A few example scenarios that come to mind right now:
<Filters /> is a child component of <List />
Both <Filters /> and <List /> are ...
WAMP error: Forbidden You don't have permission to access /phpmyadmin/ on this server
...ecure and should be limited to your local machine.
<Directory "c:/wamp/apps/phpmyadmin3.4.5/">
Options Indexes FollowSymLinks MultiViews
AllowOverride all
Order Deny,Allow
Allow from all
</Directory>
Here my WAMP installation is in the c:\wamp folder. Change it...
Hidden Features of Java
...c name for creating an anonymous inner class, glossing over what's really happening and making it sound as if inner classes were intended to be used this way. This is a pattern I'd prefer remain hidden.
– erickson
Oct 23 '08 at 14:27
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