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Lost my schema.rb! Can it be regenerated?
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If you run a rake -T it will list all possible rake tasks for your Rails project. One of them is db:schema:dump which will recreate the schema.rb for the Rails app from the database.
bundle exec rake db:schema:dump
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Newline in JLabel
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@NitinBansal Actually it's recommended in the new version of HTML to leave it as <br>. It's called a void tag. <br /> still works for backwards compatibility.
– gsingh2011
Apr 27 '12 at 3:50
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Force add despite the .gitignore file
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See man git-add:
-f, --force
Allow adding otherwise ignored files.
So run this
git add --force my/ignore/file.foo
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Difference Between Schema / Database in MySQL
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As defined in the MySQL Glossary:
In MySQL, physically, a schema is synonymous with a database. You can substitute the keyword SCHEMA instead of DATABASE in MySQL SQL syntax, for example using CREATE SCHEMA instead of CREATE DATABASE.
Some other database products draw a...
What is the difference between varchar and nvarchar?
... nvarchar supports multibyte characters? If that is the case, is there really any point, other than storage concerns, to using varchars ?
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Objective-C class -> string like: [NSArray className] -> @“NSArray”
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Class arrayClass = NSClassFromString (name);
id anInstance = [[arrayClass alloc] init];
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Invoking a static method using reflection
...the method is private use getDeclaredMethod() instead of getMethod(). And call setAccessible(true) on the method object.
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Return array in a function
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In this case, your array variable arr can actually also be treated as a pointer to the beginning of your array's block in memory, by an implicit conversion. This syntax that you're using:
int fillarr(int arr[])
Is kind of just syntactic sugar. You could really repla...
How do I add a Maven dependency in Eclipse?
I don't know how to use Maven at all. I've been developing for a couple years with Eclipse and haven't yet needed to know about it. However, now I'm looking at some docs that suggest I do the following:
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How to align texts inside of an input?
For all default inputs, the text you fill starts on the left. How do you make it start on the right?
7 Answers
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