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Importance of varchar length in MySQL table
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No, in the sense that if the values you're storing in that column are always (say) less than 50 characters, declaring the column as varchar(50) or varchar(200) has the same performance.
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How do I check if file exists in Makefile so I can delete it?
In the clean section of my Makefile I am trying to check if the file exists before deleting permanently. I use this code but I receive errors.
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How to filter None's out of List[Option]?
If I have a List[Option[A]] in Scala, what is the idiomatic way to filter out the None values?
3 Answers
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How to define an alias in fish shell?
I would like to define some aliases in fish. Apparently it should be possible to define them in
9 Answers
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Use find command but exclude files in two directories
I want to find files that end with _peaks.bed , but exclude files in the tmp and scripts folders.
6 Answers
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Hibernate error - QuerySyntaxException: users is not mapped [from users]
I'm trying to get a list of all the users from "users" table and I get the following error:
18 Answers
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Select2 dropdown but allow new values by user?
I want to have a dropdown with a set of values but also allow the user to "select" a new value not listed there.
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I want to get the type of a variable at runtime
I want to get the type of a variable at runtime.
How do I do this?
4 Answers
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Turn off auto formatting in Visual Studio
I'm a code purist, preferring my own style of code formatting as opposed to Visual Studio's default settings. I've turned off auto-formatting options in Tools/options. In most cases it works.
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How do I convert from int to Long in Java?
...p finding both on here and Google people having troubles going from long to int and not the other way around. Yet I'm sure I'm not the only one that has run into this scenario before going from int to Long .
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