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CodeIgniter activerecord, retrieve last insert id?

... Dennis DecoeneDennis Decoene 6,57844 gold badges2424 silver badges4141 bronze badges ...
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What does $$ (dollar dollar or double dollar) mean in PHP?

... edited Apr 26 '10 at 18:14 answered Apr 26 '10 at 17:56 Pa...
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App Inventor 2 代码调试方式:App调试、问题排查方法 · App Inventor 2 中文网

...号进入开发者模式; 3、进入设置-系统-开发者选项; 4、启用USB调试,允许使用ADB与模拟器通信; 5、打开命令行,通过以下adb命令连接模拟器:(手机的话,插上数据线就行了) adb connect 127.0.0.1:7555 6、输入adb devices,验证...
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Is there an upside down caret character?

... 447 There's ▲: ▲ and ▼: ▼ ...
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Batch script to delete files

...rks. – Russ Freeman Dec 7 '12 at 13:41 Ok, on XP I get the opposite results. It finds the path fine with %, but fails...
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两大桌面系统之战:Yosemite vs Windows 10 - 操作系统(内核) - 清泛网 - ...

...可垂直平行打开两款应用,或者是把应用拖到角落形成 4 个小窗口。不过在桌面设备上,屏幕相对比较大, 这个功能也就没有什么大作用。 移动集成   苹果的两个操作系统分工非常明确:一个针对移动设备,一个针对计...
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低功耗蓝牙(BLE) 和 经典蓝牙(SPP) 的区别 · App Inventor 2 中文网

...行端口协议) 蓝牙版本 蓝牙版本 >= 4.0,又称蓝牙低功耗、蓝牙智能 经典蓝牙2.0 或更早版本,经典配对模式在两台蓝牙设备之间建立虚拟串口数据连接,提供一种简单而直接的数据传输通路用于数据交...
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How to design a multi-user ajax web application to be concurrently safe

...can not be less) than 123 the new value is accepted, a new version id of 124 generated. The new state-information "updated to version 124" and optionally new value foo are put at the beginning of the artifact x's ringbuffer (changelog/history) serverside mutex is released requesting artifact committ...
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创建增量同步Oracle物化视图问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

...第三个数据库C上新建这个物化视图却失败,说:“ORA-12014: 表 'T_MV_TEST' 不包含主键约束条件”。如果将此表的主键增加字段并ENABLE后操作,又说:“ORA-23412: 主表的主键列已更改”。 但有一个奇怪的现象:在数据库B上我们也建...
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How can I change CSS display none or block property using jQuery?

... 14 Answers 14 Active ...