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C# - how to determine whether a Type is a number
Is there a way to determine whether or not a given .Net Type is a number? For example: System.UInt32/UInt16/Double are all numbers. I want to avoid a long switch-case on the Type.FullName .
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How to uninstall a Windows Service when there is no executable for it left on the system?
How do I uninstall a Windows Service when there is no executable for it left on the system? I can not run installutil -u since there is not executable left on the system. I can still see an entry for the service in the Services console.
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MySQL Server has gone away when importing large sql file
I tried to import a large sql file through phpMyAdmin...But it kept showing error
19 Answers
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Where does PostgreSQL store the database?
...ers, use
show all;
You can create tablespaces to store database objects in other parts of the filesystem. To see tablespaces, which might not be in that data directory, use this query.
SELECT * FROM pg_tablespace;
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Drop unused factor levels in a subsetted data frame
I have a data frame containing a factor . When I create a subset of this dataframe using subset or another indexing function, a new data frame is created. However, the factor variable retains all of its original levels, even when/if they do not exist in the new dataframe.
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nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
All of a sudden I am getting the below nginx error
17 Answers
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How to set default values in Rails?
I'm trying to find the best way to set default values for objects in Rails.
17 Answers
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Building big, immutable objects without using constructors having long parameter lists
... than 3 fields) objects that can and should be immutable. Every time I run into that case I tend to create constructor abominations with long parameter lists.
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Add spaces before Capital Letters
Given the string "ThisStringHasNoSpacesButItDoesHaveCapitals" what is the best way to add spaces before the capital letters. So the end string would be "This String Has No Spaces But It Does Have Capitals"
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Make a float only show two decimal places
I have the value 25.00 in a float , but when I print it on screen it is 25.0000000 .
How can I display the value with only two decimal places?
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