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C# code to validate email address
...the accepted answer to this question (that answer has since been deleted). It has a lot more detail and some other ideas of how to solve the problem.
Providing sanity checks is still a good idea for user experience. Assuming the e-mail address is valid, you could look for known top-level domains, c...
Combining INSERT INTO and WITH/CTE
...
You need to put the CTE first and then combine the INSERT INTO with your select statement. Also, the "AS" keyword following the CTE's name is not optional:
WITH tab AS (
bla bla
)
INSERT INTO dbo.prf_BatchItemAdditionalAPartyNos (
BatchID,
AccountNo,
APartyNo,
SourceRowID
)
SELECT ...
Using pickle.dump - TypeError: must be str, not bytes
...into exactly the same problem, I saw where the need for "binary" reading/writing was mentioned in the docs for pickle.dump() and pickle.load(). Both places, this was mentioned only in passing near the middle of the function explanation. Someone should make this clearer.
– Matth...
Deleting rows with MySQL LEFT JOIN
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With "AS" I had to use the alias in my clause to make it work for my purpose (delete orphans): DELETE t1 FROM table1 AS t1 LEFT JOIN t2 AS t2 ON t1.uid = t2.result WHERE t2.result IS NULL
– Urs
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What is the maximum float in Python?
....max
1.7976931348623157e+308
If that's not big enough, there's always positive infinity:
>>> infinity = float("inf")
>>> infinity
inf
>>> infinity / 10000
inf
The long type has unlimited precision, so I think you're only limited by available memory.
...
linq where list contains any in list
Using linq, how can I retrieve a list of items where its list of attributes match another list?
5 Answers
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Assignment in an if statement
I have a class Animal , and its subclass Dog .
I often find myself coding the following lines:
17 Answers
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Random number generator only generating one random number
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Every time you do new Random() it is initialized using the clock. This means that in a tight loop you get the same value lots of times. You should keep a single Random instance and keep using Next on the same instance.
//Function to get a random number
p...
How to implement Enums in Ruby?
... (FOO notation).
Symbols are appropriate when you want to enhance readability without littering code with literal strings.
postal_code[:minnesota] = "MN"
postal_code[:new_york] = "NY"
Constants are appropriate when you have an underlying value that is important. Just declare a module to hold you...
Selenium wait until document is ready
Can anyone let me how can I make selenium wait until the time the page loads completely? I want something generic, I know I can configure WebDriverWait and call something like 'find' to make it wait but I don't go that far. I just need to test that the page loads successfully and move on to next pag...