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App Inventor 2 ECharts 拓展:画仪表图 - App应用开发 - 清泛IT社区,为创新赋能!

...; value:当前值。角度值参考如下: 来源:https://www.fun123.cn/reference/extensions/ECharts.html
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AppInventor写二进制文件 - App应用开发 - 清泛IT社区,为创新赋能!

...理二进制。 使用拓展可以写二进制文件:https://www.fun123.cn/reference/iot/bytearray.html 蓝牙等组件返回的字节列表(list),目前不能直接追加到拓展中,可以采用遍历字节列表,然后将字节逐一将追加到拓展中,最后调用拓展...
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【解决】ble蓝牙 RequestMTU 请求没有反应?设置没有生效? - 创客硬件开发...

...定的值? (确认硬件最大支持 500 MTU) https://www.fun123.cn/reference/iot/bluetoothle.html#RequestMTU 看文档,它不一定能设置到你指定的值,是双方协商的结果,以事件回调中最终结果为准。 3、确认ble蓝牙版本: 文档要求 ble4.2...
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SQLite 拓展查询数据表,带条件过滤 - App应用开发 - 清泛IT社区,为创新赋能!

SQLite 拓展导入,新建库、表等详见文档:https://www.fun123.cn/reference/extensions/SQLite.html 本文详细介绍一下,SQLite 的查询功能,以及带where条件的查询功能。 空表的情况下,先插入6条数据: 引入 TableView 拓展,用户展示查...
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How do I pre-populate a jQuery Datepicker textbox with today's date?

...k and doesn't make jQuery search the DOM twice. – abc123 Aug 1 '13 at 20:36 1 Great, accepted ans...
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Join a list of items with different types as string in Python

...o combine list into a single string a = map(str, a) ''.join(a) '123' share | improve this answer | follow | ...
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Is there a minlength validation attribute in HTML5?

...answered Apr 24 '12 at 8:24 user123444555621user123444555621 123k2323 gold badges101101 silver badges120120 bronze badges ...
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Check if a number has a decimal place/is a whole number

...ber and compare it to zero like so: function Test() { var startVal = 123.456 alert( (startVal - Math.floor(startVal)) != 0 ) } share | improve this answer | follo...
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How to use sidebar with the keyboard in Sublime Text 2 and 3?

...ut for removing the projects from the sidebar? – depz123 Jun 19 '13 at 18:46 5 Can I invoke conte...
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How to convert a currency string to a double with jQuery or Javascript?

... This example run ok var currency = "$1,123,456.00"; var number = Number(currency.replace(/[^0-9\.]+/g,"")); console.log(number); share | improve this answer...