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edited Apr 20 '17 at 13:15
naimdjon
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answered Ju...
Correct way to define Python source code encoding
PEP 263 defines how to declare Python source code encoding.
6 Answers
6
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MySQL and GROUP_CONCAT() maximum length
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343
SET SESSION group_concat_max_len = 1000000;
is a temporary, session-scope, setting. It only ...
how to rotate a bitmap 90 degrees
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answered Feb 1 '13 at 11:27
AryanAryan
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QRCodeGenerator 拓展：根据给定的文本生成二维码 · App Inventor 2 中文网
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属性
aix拓展下载
demo下载
版权信息
setTimeout(function() {
window.location.href = "../QRCodeGenerator.html";
}, 500);
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QRCodeGenerator 拓展
注：此版本为英文原版，有bug，编译会报错，自动跳转到...
定时浇灌控制台：综合应用案例 · App Inventor 2 中文网
... 15 秒无有效确认记录状态未知。可再次发送停止，收到 OFF、0 的对应确认才显示停止确认。开启确认属于历史确认，不表示当前仍在浇灌。
数据与异常处理
断线或已有待确认指令时禁止重复发送。
设备...
App Inventor 2 KIO4_Base64 拓展，更强大的图像Base64编解码工具，解码后...
...下载：
com.KIO4_Base64.aix
demo程序下载：
p177_Extension_File2String_TinyDB_2.aia
案例分享1：Base64解码后写入图像文件
Base64解码后写入图像文件
参考代码如下：
您的改进建议 ...
You have already activated X, but your Gemfile requires Y
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Andrew Marshall
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answered Jun 18 '11 at 0:42
mattmatt
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join list of lists in python [duplicate]
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edited Jul 17 '19 at 16:53
gcamargo
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answered Ap...
How do you detect Credit card type based on number?
.../^(5019)\d+$/,
interpayment: /^(636)\d+$/,
unionpay: /^(62|88)\d+$/,
visa: /^4[0-9]{12}(?:[0-9]{3})?$/,
mastercard: /^5[1-5][0-9]{14}$/,
amex: /^3[47][0-9]{13}$/,
diners: /^3(?:0[0-5]|[68][0-9])[0-9]{11}$/,
discover: /^6(?:011|5[0-9]{2})[0-9]{1...