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How do you create a yes/no boolean field in SQL server?
...hat is the best practice for creating a yes/no i.e. Boolean field when converting from an access database or in general?
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How to convert list of tuples to multiple lists?
Suppose I have a list of tuples and I want to convert to multiple lists.
7 Answers
7
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C# Convert List to Dictionary
... odd thing to want to do but ignoring that, is there a nice concise way of converting a List to Dictionary where each Key Value Pair in the Dictionary is just each string in the List. i.e.
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RE error: illegal byte sequence on Mac OS X
...ermine which parts of the input cause the problem, try the following:
# Convert bytes in the 8-bit range (high bit set) to hex. representation.
# -> 'voil\x{e0}'
iconv -f ASCII --byte-subst='\x{%02x}' <<<$'voil\x{e0}'
The output will show you all bytes that have the high bit set (...
How to get the current time in YYYY-MM-DD HH:MI:Sec.Millisecond format in Java?
...ay having said that,
If you have a Calendar instance you can use below to convert it to the new java.time,
Calendar calendar = Calendar.getInstance();
long longValue = calendar.getTimeInMillis();
LocalDateTime date =
LocalDateTime.ofInstant(Instant.ofEpochMilli(lo...
Why does Boolean.ToString output “True” and not “true”
...en to an XML file, its
String.ToLower method should be
called first to convert it to
lowercase.
Here comes the fun fact #1: it doesn't return TrueString or FalseString at all. It uses hardcoded literals "True" and "False". Wouldn't do you any good if it used the fields, because they're marke...
Convert DataFrame column type from string to datetime, dd/mm/yyyy format
How can I convert a DataFrame column of strings (in dd/mm/yyyy format) to datetimes?
4 Answers
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Convert JsonNode into POJO
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In Jackson 2.4, you can convert as follows:
MyClass newJsonNode = jsonObjectMapper.treeToValue(someJsonNode, MyClass.class);
where jsonObjectMapper is a Jackson ObjectMapper.
In older versions of Jackson, it would be
MyClass newJsonNode = jso...
Measure the time it takes to execute a t-sql query
...ECLARE @SchemaName SYSNAME;
DECLARE @ProcName SYSNAME=N'TestProc';
SELECT CONVERT(TIME(3),DATEADD(ms,ROUND(last_elapsed_time/1000.0,0),0))
AS LastExecutionTime
FROM sys.dm_exec_procedure_stats
WHERE OBJECT_NAME(object_id,database_id)=@ProcName AND
(OBJECT_SCHEMA_NAME(object_id,databas...
Converting bytes to megabytes
I've seen three ways of doing conversion from bytes to megabytes:
9 Answers
9
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