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Difference between initLoader and restartLoader in LoaderManager
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We could always use restartLoader but that would be inefficient. After a screen rotation or if the user navigates away from the app and returns later to the same Activity we usually want to show the same query result and so the restartLoader would unnecessarily re-create the loader and dismiss the...
Window Features - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ts the painting of windows that called SetLayeredWindowAttributes into off-screen memory and recomposes it to achieve the desired effect.
For faster and more efficient animation or if per-pixel alpha is needed, call UpdateLayeredWindow.UpdateLayeredWindow should be used primarily when the applicati...
How do I scroll to an element using JavaScript?
...low is a better method to scroll desired element to the top of the visible screen.
– Curious101
Sep 20 '19 at 14:56
Wh...
Android: how to hide ActionBar on certain activities
I've developed a simple demo application with a splash screen a map and some regular screens.
16 Answers
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代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...54021632-0/youngandroidproject/../build/classes/appinventor/ai_admin/AAC_3/Screen1.class at Lappinventor/ai_admin/AAC_3/Screen1;run(Lgnu/mapping/CallContext;)V:
[java] com.android.tools.r8.internal.Sb: Different stack heights at jump target: 0 != 1
[...
Specifying and saving a figure with exact size in pixels
...o show a figure of that size (matplotlib requires the figure to fit in the screen, if you ask for a size too large it will shrink to the screen size). Let's imagine you want an 800x800 pixel image just for an example. Here's how to show an 800x800 pixel image in my monitor (my_dpi=96):
plt.figure(f...
Alternate output format for psql
...ew for Postgresql 9.2; PSQL automatically fits records to the width of the screen. previously you only had expanded mode on or off and had to switch between the modes as necessary.
If the record can fit into the width of the screen; psql uses normal formatting.
If the record can not fit into the ...
Android activity life cycle - what are all these methods for?
...p
onRestart() --> onStart() --> onResume()
When any dialog open on screen
onPause()
After dismiss the dialog or back button from dialog
onResume()
Any phone is ringing and user in the app
onPause() --> onResume()
When user pressed phone's answer button
onPause()
After call end
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项目管理实践【四】Bug跟踪管理【Bug Trace and Management】 - 项目管理 -...
...t/BugNet 。
3.使用Windows资源管理器，打开网站的根目录（默认是C:\BugNET）。右键点击该目录，在弹出菜单中选择"共享和安全"（请注意：如果你是有的是Windows XP，在查看这些选项之前，你可能需要启用"简单文件共享"）。选择"安...
当ORACLE 11G 遇到 JUNIPER 防火墙 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...关于ALG的说明，说是可以自动匹配相应的协议，比如ORLAC 默认开放1521端口，当开启ALG服务的时候，防火墙会自动识别
除1521以外的端口。理论来说更容易ORACLE 数据通过。 先不管直接取消。
结果是PL/SQL 可以正常登陆和查询...