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C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术

...XCEL的源码VC对Excel表格的操作的方法有多种,如:通过ODBC数据库实现,通过解析Excel表格文件,通过OLE COM的实现。本文主要研究通过OLE COM实现对Excel表格的操作。另外,本文主代码中汇聚各网友的智慧进行了优化(比如预加载等...
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上线当天App就崩了,才发问题是手机网络超时没处理——用App Inventor 2的W...

...成用字典解码JSON文本方法,返回的是字典对象,直接用获取键的值就能一层层取数据,代码可读性提升了一大截。 改动四:请求头设置 有些API要求在请求头里带Content-Type: application/json才能正确返回。通过Web组件的请求标头...
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语音计算器 · App Inventor 2 中文网

...xtLabel 和 CalculatorTextLabel,再调用 SpeechRecognizer1.识别语音 获取用户说出的句子。 9. 处理 SpeechRecognizer 返回文字 在 SpeechRecognizer1.识别完成时(result) 中,把 result 显示到 UserTextLabel,调用 extractNumbers(result),并先把 CalculatorTextLab...
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Arduino101 光线传感器 · App Inventor 2 中文网

...过屏幕的ErrorOccurred事件报告错误。 ReadLightSensor – 获取Arduino报告的光传感器最新读数。成功时, LightSensorDataReceived事件将 被触发。 RequestLightSensorUpdates – 请求获取连接到Arduino 101的光传感器更新通知。当从Arduino 接...
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Arduino101 湿度传感器 · App Inventor 2 中文网

...通过屏幕的ErrorOccurred事件报告错误。 ReadMoisture – 获取Arduino报告的湿度传感器最新读数。成功时, MoistureReceived事件将被触发。 RequestMoistureUpdates – 请求获取连接到Arduino 101的湿度传感器更新通知。当从Arduino 接收到...
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App Inventor 2 OCR 自研拓展:离线图片文字识别(Tesseract 5) · App Inventor 2 中文网

...新版 AI 伴侣;打包 APK 不受影响。 Q:识别准确率不高,怎么调? A:fast 模型追求速度与体积,准确率略低于标准模型。想换标准模型:从 tessdata 下载对应语言的 .traineddata(约 40MB)加进应用素材,Language 属性保持模型名不变...
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Mac zip compress without __MACOSX folder?

... to also delete .DS_Store files: zip -d filename.zip \*/.DS_Store – Benedikt Köppel Jun 16 '15 at 14:28 5 ...
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SAML: Why is the certificate within the Signature?

...verify that the content of the SAML response matches the key - in other words - that response definitely came from someone who has the matching private key to the public key in the message, and the response hasn't been tampered with. I don't know what tech you're working with, but in .Net you can c...
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Start / Stop a Windows Service from a non-Administrator user account

...ing/Stopping a Windows Service from a non-Admin user account, if anyone needs to know. Primarily, there are two ways in which to Start / Stop a Windows Service. 1. Directly accessing the service through logon Windows user account. 2. Accessing the service through IIS using Network Service a...
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一年手机淘汰上亿部 回收涌进一批“互联网+” - 资讯 - 清泛网 - 专注C/C++...

...丢失的情况下更换新手机。 手机回收隐私粉碎成焦点 数据显示,2014年全国换机用户达到了手机出货总量的一半,上亿台手机被淘汰,但其中近八成旧手机闲置家中,仅有1%的手机被正规渠道回收。 “卖不了几个钱,还担心个...