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How to design a product table for many kinds of product where each product has many parameters
I do not have much experience in table design. My goal is to create one or more product tables that meet the requirements below:
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Generating v5 UUID. What is name and namespace?
...l hash or MAC.
Suppose you have a (key,value) store, but it only supports one namespace. You can generate a large number of distinct logical namespaces using type 3 or type 5 UUIDs. First, create a root UUID for each namespace. This could be a type 1 (host+timestamp) or type 4 (random) UUID so long...
How to stop mongo DB in one command
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If you literally want a one line equivalent to the commands in your original question, you could alias:
mongo --eval "db.getSiblingDB('admin').shutdownServer()"
Mark's answer on starting and stopping MongoDB via services is the more typical (and r...
What are the applications of binary trees?
...al speed advantage.
In a (balanced) binary tree with m nodes, moving from one level to the next requires one comparison, and there are log_2(m) levels, for a total of log_2(m) comparisons.
In contrast, an n-ary tree will require log_2(n) comparisons (using a binary search) to move to the next leve...
Multiple HttpPost method in Web API controller
... your actions by name (rather than let the Web API automatically determine one for you based on the verb) like this:
[POST] /api/VTRouting/TSPRoute
[POST] /api/VTRouting/Route
Contrary to popular belief, there is nothing wrong with this approach, and it's not abusing Web API. You can still lever...
Database design for a survey [closed]
...iple choice questions, and possibly questions that could contain more than one answer (i.e. check all that apply).
11 Answe...
Eclipse - “Workspace in use or cannot be created, chose a different one.” [duplicate]
... @LucasMalor in my case it wasn't exist, but good addition, may be someone will need it, thanks
– Muhammed Refaat
Jul 1 '15 at 8:10
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Which is a better way to check if an array has more than one element?
I just need to check if an array has more than one element.
I am trying to do it this way :
11 Answers
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Why would someone use WHERE 1=1 AND in a SQL clause?
Why would someone use WHERE 1=1 AND <conditions> in a SQL clause (Either SQL obtained through concatenated strings, either view definition)
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Visual Studio warning: “Some of the properties associated with the solution could not be read”
When I open my solution, I get a dialog with this warning. The solution (one web app, one class project) builds without errors.
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