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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...
Block Comments in Clojure
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I hope you're having fun with Clojure. :)
– Rayne
Jul 28 '09 at 2:37
14
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Center HTML Input Text Field Placeholder
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If you want to change only the placeholder style
::-webkit-input-placeholder {
text-align: center;
}
:-moz-placeholder { /* Firefox 18- */
text-align: center;
}
::-moz-placeholder { /* Firefox 19+ */
text-align: center;
}
:-ms-input-placeholder {
text-align: ...
Combining INSERT INTO and WITH/CTE
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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 ...
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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How do I load a file from resource folder?
...ine = reader.readLine()) != null;) {
// Process line
}
Notes
See it in The Wayback Machine.
Also in GitHub.
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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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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.
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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...
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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