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How to check if string input is a number? [duplicate]
...numeric() will do the job (Documentation for python3.x):
>>>a = '123'
>>>a.isnumeric()
True
But remember:
>>>a = '-1'
>>>a.isnumeric()
False
isnumeric() returns True if all characters in the string are numeric characters, and there is at least one character....
What are the use cases for selecting CHAR over VARCHAR in SQL?
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(CustomerFirstName,CustomerLastName, CustomerCityStateZip) ('Joe','Blow','123 Main St Washington, MD 12345', 123.45)
create view vwStagingTable AS
SELECT CustomerFirstName = CAST(CustomerFirstName as CHAR(30)),
CustomerLastName = CAST(CustomerLastName as CHAR(30)),
CustomerCityStateZip = CAST(Cust...
How to convert int to QString?
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123
And if you want to put it into string within some text context, forget about + operator.
Simp...
How do I convert a Django QuerySet into list of dicts?
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David WoleverDavid Wolever
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MySQL Query to select data from last week?
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123
SELECT id FROM tbl
WHERE date >= curdate() - INTERVAL DAYOFWEEK(curdate())+6 DAY
AND date &...
Android- create JSON Array and JSON Object
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Swapnil KotwalSwapnil Kotwal
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Changing column names of a data frame
...k it was asked for data.frame, not data.table
– Helix123
Apr 16 '15 at 19:15
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Keyword not supported: “data source” initializing Entity Framework Context
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Craig StuntzCraig Stuntz
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Apk location in New Android Studio
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To help people who might search for answer to this same question, it is important to know what...
Is it possible to specify condition in Count()?
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AdaTheDevAdaTheDev
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