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What is the string concatenation operator in Oracle?
What is the string concatenation operator in Oracle SQL?
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MySQL foreign key constraints, cascade delete
I want to use foreign keys to keep the integrity and avoid orphans (I already use innoDB).
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proper hibernate annotation for byte[]
I have an application using hibernate 3.1 and JPA annotations. It has a few objects with byte[] attributes (1k - 200k in size). It uses the JPA @Lob annotation, and hibernate 3.1 can read these just fine on all major databases -- it seems to hide the JDBC Blob vendor peculiarities (as it should do...
int a[] = {1,2,}; Weird comma allowed. Any particular reason?
Maybe I am not from this planet, but it would seem to me that the following should be a syntax error:
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What is the best (idiomatic) way to check the type of a Python variable? [duplicate]
I need to know if a variable in Python is a string or a dict. Is there anything wrong with the following code?
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How to detect duplicate values in PHP array?
I am working with a one dimensional array in PHP. I would like to detect the presence of duplicate values, then count the number of duplicate values and out put the results. For example, given the following array:
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How to format a DateTime in PowerShell
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The same as you would in .NET:
$DateStr = $Date.ToString("yyyyMMdd")
Or:
$DateStr = '{0:yyyyMMdd}' -f $Date
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How do you copy a record in a SQL table but swap out the unique id of the new row?
...at I need, but my scenario is slightly different. The source table and destination table are the same and the primary key is a uniqueidentifier (guid). When I try this:
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What does (x ^ 0x1) != 0 mean?
I came across the following code snippet
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How to remove all the null elements inside a generic list in one go?
Is there a default method defined in .Net for C# to remove all the elements within a list which are null ?
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