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Which timestamp type should I choose in a PostgreSQL database?
...les: "User 123 logged in" or "a graduation ceremonies start at 2011-05-28 2pm PST." Regardless of your local time zone, if you could teleport to where the event occurred, you could witness the event happening. Most time data in a database is absolute (and therefore should be TIMESTAMP WITH TIME ZONE...
从Sloodle看三维虚拟学习环境的发展趋势 - 资讯 - 清泛网 - 专注C/C++及内核技术
...努力和心血。社区中有开发者或用户提供的详细资料 ,如安装和设置 Sloodle的步骤、课程开发视频教程以及在线会议等。
论坛上的用户很活跃 ,任何用户都能参与在 Sloodle岛上举办的定期会议和讨论 ,比如在 Classroom 101教室中 ,...
How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
...ly in specific circumstances (e.g. when the script(s) is executed in development/debug mode, you can either set PERL5LIB manually, or pass the -I option to perl.
If the modules need to be used only for specific scripts, by all users using them, use use lib/no lib pragmas in the program itself. It al...
Windows 7 SDK installation failure
...ok in the log file to see what's going on. In my log file I had:
6:17:07 PM Saturday, October 01, 2011: C:\Program Files\Microsoft SDKs\Windows\v7.1\Setup\SFX\vcredist_x64.exe installation failed with return code 5100
so as that above web page suggested, I uninstalled both copies of the Visual C+...
App Launcher 应用启动器扩展：用于启动其他应用程序的强大工具，支持独立...
...许使用ActivityStarter组件启动其他活动。不幸的是，启动已安装的应用程序非常麻烦。根据说明，必须下载要启动的应用程序的.apk并找到包名。这两者都不容易也不总是可能的。
这个扩展简化了启动应用程序的过程。
⚠...
How to show math equations in general github's markdown(not github's blog)
...;img src="https://latex.codecogs.com/svg.latex?\Large&space;x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}" title="\Large x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}" />
This combines this answer and this answer.
GitHub support only somtimes worked using the above raw html syntax for readable LaTeX for me. If ...
Determining the current foreground application from a background task or service
...ageName = foregroundTaskInfo .topActivity.getPackageName();
PackageManager pm = AppService.this.getPackageManager();
PackageInfo foregroundAppPackageInfo = pm.getPackageInfo(foregroundTaskPackageName, 0);
String foregroundTaskAppName = foregroundAppPackageInfo.applicationInfo.loadLabel(pm).toString(...
How do I delete a Discipline in EPF Composer 1.5?
...te. But when you then navigate to the "Risk List" artefact for example the PM is still seen as contributing, and if you click on the link, you get taken to the PM Discipline page.
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CSS submit button weird rendering on iPad/iPhone
...red Oct 18 '17 at 6:44
subindas pmsubindas pm
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Office2013密钥 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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