C++友元函数
Get time of execution piece of code
How do I get milliseconds time of execution of a piece of 开发者_高级运维code in Qt/C++?Use the QTime class. Start it with .start() (or .restart()) and then check the amount of milliseconds passed wit[详细]
2022-12-27 18:03 分类：问答How to give different expires header for files in different folders with one .htaccess in root ?
I want to give different expiry headers to different images on my site. they are contained in different folders right now, what I want to do is give 开发者_如何学运维then different expires headers wit[详细]
2022-12-27 18:03 分类：问答Database design MySQL using foreign keys
I\'m having some a little trouble understanding how to hand开发者_如何学编程le the database end of a program I\'m making.I\'m using an ORM in Kohana, but am hoping that a generalized understanding of[详细]
2022-12-27 13:55 分类：问答安卓13再等等爆料显示：下一个Android版本将是安卓12.1，而非 13？
9 月 9 日消息 谷歌已经推出了多个 Android 12 的开发者预览版，正式版也将在不久后推出。据 XDA 报道，谷歌可能在下一个版本的 Android 上撒了谎。[详细]
2022-12-27 07:13 分类：问答Pickling a class definition
Is there a way to pickle a class definition? What I\'d like to do is pickle the definition (which may created dynamically), and then send it over a TCP connection so that an instance can be created o[详细]
2022-12-27 04:19 分类：问答跑步机大概多少钱啊？家用跑步机价格是多少？
e54****86 2022-04-05 21:52 开发者_如何学C 家用跑步机价格在成千上万不等，以亿健黑豹007家用跑步机为例，价格是2399元。[详细]
2022-12-26 14:36 分类：问答Getting two variables in the URL with htaccess
What way it is to be to get two GET methods in the URL by htaccess? RewriteRule ^adm/(.*)$ adm.php?mode=$1[详细]
2022-12-26 02:12 分类：问答Does a char occupy 1 byte in a database?
Does a char occupy 1 byte in a database? EDIT: If I define a column as var开发者_如何学Cchar(1), will it reserve 1 or 2 bytes for me?Char(k) takes k-bytes no matter what the value is,[详细]
2022-12-25 17:25 分类：问答Is there an equivalent for ActiveRecord#find_by equivalent for C#?
I\'m originally a C# developer (as a hobby), but as of late I have been digging into Ruby on Rails and really enjoying it. Right now I am building an application in C#, and I was wondering if there is[详细]
2022-12-25 09:44 分类：问答
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