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Troubleshooting “Illegal mix of collations” error in mysql
...e same collation as utf8_column. Values of latin1_column are automatically converted to utf8 before concatenating.
For an operation with operands from the same character set but that mix a _bin collation and a _ci or _cs collation, the _bin collation is used. This is similar to how operations that...
Convert XLS to CSV on command line
How could I convert an XLS file to a CSV file on the windows command line.
15 Answers
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How to pass an array into a SQL Server stored procedure
...X),
@Delimiter VARCHAR(255)
)
RETURNS TABLE
AS
RETURN ( SELECT Item = CONVERT(INT, Item) FROM
( SELECT Item = x.i.value('(./text())[1]', 'varchar(max)')
FROM ( SELECT [XML] = CONVERT(XML, '<i>'
+ REPLACE(@List, @Delimiter, '</i><i>') + '</i>').query...
How does Google's Page Speed lossless image compression work?
...sion(0), alpha_filtering(1), alpha_quality(100) {}
There is also image_converter.cc which is used to losslessly convert to the smallest format.
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How can I get dict from sqlite query?
...ently fetchall() seems to return sqlite3.Row objects. However these can be converted to a dictionary simply by using dict(): result = [dict(row) for row in c.fetchall()].
– Gonçalo Ribeiro
Aug 26 '18 at 22:19
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Selecting/excluding sets of columns in pandas [duplicate]
...
You don't really need to convert that into a set:
cols = [col for col in df.columns if col not in ['B', 'D']]
df2 = df[cols]
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How to determine the number of days in a month in SQL Server?
...SQL Server 2014: case when datediff(m, dateadd(day, 1-day(@date), @date), convert(date, convert(datetime, 2958463))) > 0 then datediff(day, dateadd(day, 1-day(@date), @date), dateadd(month, 1, dateadd(day, 1-day(@date), @date))) else 31 end
– bradwilder31415
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How can you strip non-ASCII characters from a string? (in C#)
...= "Räksmörgås";
string asAscii = Encoding.ASCII.GetString(
Encoding.Convert(
Encoding.UTF8,
Encoding.GetEncoding(
Encoding.ASCII.EncodingName,
new EncoderReplacementFallback(string.Empty),
new DecoderExceptionFallback()
),
...
Convert data.frame column to a vector?
I have a dataframe such as:
11 Answers
11
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Convert array of integers to comma-separated string
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Pre .NET 4 string.Join(",", Array.ConvertAll(arr, i => i.ToString()))
– TPAKTOPA
Dec 12 '14 at 14:06
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