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How do write IF ELSE statement in a MySQL query
...pression.
They look like this:
SELECT col1, col2, (case when (action = 2 and state = 0)
THEN
1
ELSE
0
END)
as state from tbl1;
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Check if table exists without using “select from”
Is there a way to check if a table exists without selecting and checking values from it?
17 Answers
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SQL Server CTE and recursion example
...le on it. This article shows employee info with the help of Sql server CTE and recursion. It is basically showing employees and their manager info. I am not able to understand how this query works. Here is the query:
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Why would you use String.Equals over ==? [duplicate]
I recently was introduced to a large codebase and noticed all string comparisons are done using String.Equals() instead of ==
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Which method performs better: .Any() vs .Count() > 0?
...Linq namespace, we can now extend our IEnumerable's to have the Any() and Count() extension methods .
9 Answers
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Can I use CASE statement in a JOIN condition?
.... From the image we can see that the relationship between sys.partitions and sys.allocation_units depends on the value of sys.allocation_units.type . So to join them together I would write something similar to this:
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Learning assembly [closed]
... learn Assembly language. The main reason to do so is being able to understand disassembled code and maybe being able to write more efficient parts of code (for example, through c++), doing somethings like code caves, etc. I saw there are a zillion different flavors of assembly, so, for the purposes...
Is it possible to have SSL certificate for IP address, not domain name?
I want my site to use URLs like http://192.0.2.2/... and https://192.0.2.2/... for static content to avoid unnecessary cookies in request AND avoid additional DNS request.
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Move an array element from one array position to another
...y extension, this move is an in-place operation. If you want to avoid that and return a copy, use slice.
Stepping through the code:
If new_index is greater than the length of the array, we want (I presume) to pad the array properly with new undefineds. This little snippet handles this by pushing ...
Using Phonegap for Native Application development [closed]
...ch claims that developers can use HTML 5 based framework like Sencha touch and Jquery at the same time
having access to native features on phone. Also the code is portable from Android to Iphone with some effort. Before I plunge into it I want to know what is forum's experience with Phonegap. What ...