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Use 'class' or 'typename' for template parameters? [duplicate]
When defining a function template or class template in C++, one can write this:
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To switch from vertical split to horizontal split fast in Vim
How can you switch your current windows from horizontal split to vertical split and vice versa in Vim?
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How would you do a “not in” query with LINQ?
I have two collections which have property Email in both collections. I need to get a list of the items in the first list where Email does not exist in the second list. With SQL I would just use "not in", but I do not know the equivalent in LINQ. How is that done?
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JPA getSingleResult() or null
I have an insertOrUpdate method which inserts an Entity when it doesn't exist or update it if it does. To enable this, I have to findByIdAndForeignKey , if it returned null insert if not then update. The problem is how do I check if it exists? So I tried getSingleResult . But it throws an ex...
Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
I want to extract just the date part from a timestamp in PostgreSQL.
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java: (String[])List.toArray() gives ClassCastException
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Iterate two Lists or Arrays with one ForEach statement in C#
This just for general knowledge:
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How do I empty an array in JavaScript?
...an array that was already empty.
The following benchmark fixes this flaw: http://jsben.ch/#/hyj65. It clearly shows that methods #2 (length property) and #3 (splice) are the fastest (not counting method #1 which doesn't change the original array).
This has been a hot topic and the cause of a lot...
Mockito matcher and array of primitives
With Mockito, I want to verify() a method call with byte[] in its argument list, but I didn't find how to write this.
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How do I get the MAX row with a GROUP BY in LINQ query?
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