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Why is a round-trip conversion via a string not safe for a double?
...re are whole different implementations of the internals of double.ToString based on architecture.
I suggest you file a bug at http://connect.microsoft.com
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How do I decode HTML entities in Swift?
...("20ac", 16) --> "€"
func decodeNumeric(_ string : Substring, base : Int) -> Character? {
guard let code = UInt32(string, radix: base),
let uniScalar = UnicodeScalar(code) else { return nil }
return Character(uniScalar)
}
// De...
Basic HTTP authentication with Node and Express 4
... '').split(' ')[1] || ''
const [login, password] = Buffer.from(b64auth, 'base64').toString().split(':')
// Verify login and password are set and correct
if (login && password && login === auth.login && password === auth.password) {
// Access granted...
return n...
How do I convert an integer to binary in JavaScript?
...work because you are getting the input from text. Use this: function decToBase(dec, base){ return parseInt(dec).toString(base); } alert(decToBase(dec, 2));
– Magus
May 29 '15 at 13:47
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NumPy or Pandas: Keeping array type as integer while having a NaN value
...un into issues that join columns are converted into either ints or floats, based on the existence of a NA value in the original list. (Creating issues later on when trying to merge these dataframes)
– Carst
Jul 23 '13 at 21:36
...
串口通信器使用指导 · App Inventor 2 中文网
... 文本串口屏/打印机：使用文本读写；需要中文时先确认编码，GBK 字节可由二进制组件转换后直接“写入字节”。打印机命令必须使用对应型号的协议。
长度可变的帧：复用帧头和长度拆帧，把新数据来源换成 串口通信器1.Re...
What's the difference between using CGFloat and float?
...by Command-double-clicking on "CGFloat" in Xcode — it will jump to the CGBase.h header where the typedef is defined. The same approach is used for NSInteger and NSUInteger as well.
These types were introduced to make it easier to write code that works on both 32-bit and 64-bit without modificatio...
google oauth2 redirect_uri with several parameters
...a json string of your parameters ->
{ "a" : "b" , "c" : 1 }
/2. do a base64UrlEncode , to make it URL safe ->
stateString = base64UrlEncode('{ "a" : "b" , "c" : 1 }');
This is a PHP example of base64UrlEncoding & decoding (http://en.wikipedia.org/wiki/Base64#URL_applications) :
fu...
App Inventor 2 连接方式：AI伴侣、模拟器、USB · App Inventor 2 中文网
...复制 6 位字符码，粘贴到模拟器中的AI伴侣中，点“使用编码连接”即可。
Q：模拟器有什么不足吗？
A：使用模拟器无法完成与真实手机相同的所有操作，例如，无法摇动它、无法拨打或接听电话等，也...
How to escape single quotes in MySQL
...escape_string($var);
?>
This will solve your problem, because the database can't detect the special characters of a string.
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