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What is offsetHeight, clientHeight, scrollHeight?
Thought of explaining what is the difference between offsetHeight , clientHeight and scrollHeight or offsetWidth , clientWidth and scrollWidth ?
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Declaring javascript object method in constructor function vs. in prototype [duplicate]
...or function so are effectively "private", meaning your API is cleaner than if these variable were instead defined as properties of the object. Some general rules of thumb:
If your methods do not use local variables defined in your constructor (your example doesn't), then use the prototype approach...
Rails: Adding an index after adding column
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If you need to create a user_id then it would be a reasonable assumption that you are referencing a user table. In which case the migration shall be:
rails generate migration AddUserRefToProducts user:references
This comma...
Can bash show a function's definition?
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Use type. If foobar is e.g. defined in your ~/.profile:
$ type foobar
foobar is a function
foobar {
echo "I'm foobar"
}
This does find out what foobar was, and if it was defined as a function it calls declare -f as explained by ...
Git hangs while writing objects
... behavior. I restarted my system and this seemed to resolve things...FYI...if anyone is still hitting issues after increasing their buffer, restarting my system helped in my situation (old school solution none the less but a fresh restart really helped).
– twknab
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foldl versus foldr behavior with infinite lists
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How folds differ seems to be a frequent source of confusion, so here's a more general overview:
Consider folding a list of n values [x1, x2, x3, x4 ... xn ] with some function f and seed z.
foldl is:
Left associative: f ( ... (f (f ...
Convert dictionary to list collection in C#
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If you cannot use LINQ this options seems the best.
– user2000950
Apr 1 at 8:31
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Why isn't my JavaScript working in JSFiddle?
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The function is being defined inside a load handler and thus is in a different scope. As @ellisbben notes in the comments, you can fix this by explicitly defining it on the window object. Better, yet, change it to apply the handler to the object unobtrusively: http://jsfiddle.net/pUeue/
$('i...
Do Git tags only apply to the current branch?
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If you create a tag by e.g.
git tag v1.0
the tag will refer to the most recent commit of the branch you are currently on. You can change branch and create a tag there.
You can also just refer to the other branch while tag...
Why does Eclipse complain about @Override on interface methods?
... 1.6.
Remember that Eclipse can override these global settings for a specific project, so check those too.
Update:
The error under Java 5 isn't just with Eclipse; using javac directly from the command line will give you the same error. It is not valid Java 5 source code.
However, you can spe...