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Convert columns to string in Pandas
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355
One way to convert to string is to use astype:
total_rows['ColumnID'] = total_rows['ColumnID'...
How to use MySQL DECIMAL?
...ncial data.
DOUBLE is actually just a double precision (64 bit instead of 32 bit) version of FLOAT. Floating point numbers are approximate representations of real numbers and they are not exact. In fact, simple numbers like 0.01 do not have an exact representation in FLOAT or DOUBLE types.
DECIMAL...
Do you need break in switch when return is used?
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139
Yes, you can use return instead of break...
break is optional and is used to prevent "falling...
What happens if you call erase() on a map element while iterating from begin to end?
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3 Answers
3
Active
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How can I parse a YAML file from a Linux shell script?
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Curtis BlackwellCurtis Blackwell
2,3672121 silver badges4343 bronze badges
13
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TypeError: sequence item 0: expected string, int found
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38
Can also use .join(map(str, value_list))
– BallpointBen
May 17 '18 at 13:37
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Detect if called through require or directly by command line
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Christopher McCormack
7344 bronze badges
answered Jun 18 '11 at 19:20
nicolaskruchtennicolaskruchten
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is there an easy way to get the http status code in the failure block from AFHTTPClient?
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136
Ok, found the answer with the operation object
failure:^(AFHTTPRequestOperation *operation, NS...
How to assign an exec result to a sql variable?
...rStoredProcedure
(
@Param1 int
,@Param2 varchar(5)
,@Param3 datetime OUTPUT
)
AS
IF ISNULL(@Param1,0)>5
BEGIN
SET @Param3=GETDATE()
END
ELSE
BEGIN
SET @Param3='1/1/2010'
END
RETURN 0
GO
call to the stored procedure, with an OUTPUT parameter:
DECLARE @OutputParameter...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
...look at this excellent answer: https://stackoverflow.com/a/11227902/1001643
Compilers typically don't have enough information to know which branches will alias and whether those aliases will be significant. However, that information can be determined at runtime with tools such as Cachegrind and V...