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json_encode is returning NULL?

... I bet you are retrieving data in non-utf8 encoding: try to put mysql_query('SET CHARACTER SET utf8') before your SELECT query. share | improve this answer ...
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Is there any JSON Web Token (JWT) example in C#?

... JwtHashAlgorithm algorithm) { return Encode(payload, Encoding.UTF8.GetBytes(key), algorithm); } public static string Encode(object payload, byte[] keyBytes, JwtHashAlgorithm algorithm) { var segments = new List<string>(); var header = new { alg = algor...
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Detect encoding and make everything UTF-8

... If you apply utf8_encode() to an already UTF-8 string, it will return garbled UTF-8 output. I made a function that addresses all this issues. It´s called Encoding::toUTF8(). You don't need to know what the encoding of your strings is. ...
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Is it possible to force Excel recognize UTF-8 CSV files automatically?

...ee this SO post). In case anybody is having the same issues I was, .NET's UTF8 encoding class does not output a byte-order marker in a GetBytes() call. You need to use streams (or use a workaround) to get the BOM to output. ...
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UnicodeEncodeError: 'latin-1' codec can't encode character

...a text field regardless of character set, I found my solution here: Using UTF8 with Python MySQLdb Edit: Quote from the above URL to satisfy the request in the first comment... "UnicodeEncodeError:'latin-1' codec can't encode character ..." This is because MySQLdb normally tries to encode...
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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...个设置了背景色的TextView就会被绘制两次,一次背景一次文本;这里需要强调的是Activity设置的Theme主题的背景不被算在过度绘制层级中),所以最理想的就是绘制一次,也就是蓝色(当然这在很多绚丽的界面是不现实的,所以大...
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App Inventor 2 字典代码块 · App Inventor 2 中文网

...01"] } 上面的示例显示,在 JSON 中,键(在 : 之前引用的文本)可以映射到不同类型的值。 允许的类型包括数字、文本、其他字典、布尔值和列表。在块语言中,可以按如下方式构建该字典: 图 1:上面显示的 JSON 代码片段...
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Encrypt and decrypt a string in C#?

...mmary> /// Simple Encryption (AES) then Authentication (HMAC) for a UTF8 Message. /// </summary> /// <param name="secretMessage">The secret message.</param> /// <param name="cryptKey">The crypt key.</param> /// <param name="authKey">The auth...
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中文网(自研/维护)拓展 · App Inventor 2 中文网

... None 方法 Copy(text) 拷贝文本到剪贴板。 Paste() 从剪贴板粘贴内容并返回文本。 ECharts Component for ECharts 属性 ShowAnimation 动画是否开启。 ShowValue 是...
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How can I use vim to convert my file to utf8?

I have a text file. I've been told to make it UTF8. How can I do that with Vim? 2 Answers ...