/* 达梦两种编码方法返回的都是 AQIDBA== 解码后得到的结果是 0x01020304,丢失了尾随的0x00 */ SELECT 0x0102030400 AS DAT ,SUBSTR(TO_BASE64(0x0102030400),1,100) AS TO_B64 ,BINTOCHAR(UTL_ENCODE.BASE64_ENCODE(0x0102030400)) AS B64_ENC ,SUBSTRBLB(FROM_BASE64(TO_BASE64(0x0102030400)),1...
EN/** * 中文转换为JSON字符串 * @param $chinese_str 中文：可以包含中文字母数字 * @return ...
base64decode(STRING str) 描述:对字符串进行base64反编码。 SELECT to_base64(CAST('hello world' as varbinary));-- aGVsbG8gd29ybGQ= select base64decode('aGVsbG8gd29ybGQ=');-- 来自:帮助中心 查看更多 → 二进制数据类型 的差异,在操作符比较计算,字符串相关系统函数计算,索引匹配,数据导入...
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the most common reason for the error would be database to connect has not been set properly ALTER AN EXISTING TRIGGER TO ADD A NEW COLUMN Alter collate of master database Alter Coulmn takes long time to complete Alter foreign key column to not Allow null question Alter Multiple Procedures ...
).round_to(self.precision).to_python_type() class BinaryValueMapper(ValueMapper[bytes]): def map(self, value) -> Optional[bytes]: if value is None: return None return base64.b64decode(value.encode("utf8")) class ArrayValueMapper(ValueMapper[List[Optional[Any]]]): def __init__(self...
Convert DateTime to Base64 string Convert DateTime to smalldate on C# Convert Datetime to String in C# convert derived class object to base class Convert dictionary to datatable. Convert different formats of dates in DD/MM/YYYY format in C# Convert fixed byte array to string. Convert from CP...
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Barcode is not displaying in pdf after export to pdf in IIS server 7. base class includes the field 'Link1', but its type (System.Web.UI.HtmlControls.HtmlGenericControl) is not compatible with the t Basic vb.net async example of calling a datatable BC30002: Type 'System.DirectoryServices....
Can I pass parameter to an ALTER DATABASE command Can I prevent deadlock during concurrent delete Can I print to file using T- SQL Can I sort an SQL table? Can I sort row without order by clause Can I UPDATE, then INSERT if no record updated? Can I use a COLLATE clause in a temp...