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JavaScript property access: dot notation vs. brackets?
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Secondly, square bracket notation is useful when dealing with
property names which vary in a predictable way:
for (var i = 0; i < 10; i++) {
someFunction(myForm["myControlNumber" + i]);
}
Roundup:
Dot notation is faster to write and clearer to read.
Square bracket notation allow...
Cannot create an array of LinkedLists in Java…?
... to use an array of LinkedList to store the values of a matrix. Each element of the array (i.e. each LinkedList ) represents a row of the matrix. And, each element in the LinkedList array represents a column and the stored value.
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Rails 3: Get Random Record
...d several examples for finding a random record in Rails 2 -- the preferred method seems to be:
14 Answers
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jQuery find events handlers registered with an object
...this instead:
jQuery._data( elem, "events" );
elem should be an HTML Element, not a jQuery object, or selector.
Please note, that this is an internal, 'private' structure, and shouldn't be modified. Use this for debugging purposes only.
In older versions of jQuery, you might have to use the ol...
How to get number of entries in a Lua table?
Sounds like a "let me google it for you" question, but somehow I can't find an answer. The Lua # operator only counts entries with integer keys, and so does table.getn :
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How can I comment a single line in XML?
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No, there is no way to comment a line in XML and have the comment end automatically on a linebreak.
XML has only one definition for a comment:
'<!--' ((Char - '-') | ('-' (Char - '-')))* '-->'
XML forbids -- in comments to maintain compatibi...
How to use Git?
I am an engineering student who spends most of his spare time watching TV rather than coding. So basically I have zero experience with any kind of version control system. My understanding is somehow they make distribution of projects easier.
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Align DIV's to bottom or baseline
...position: absolute;
bottom: 0;
left: 0;
}
When declaring absolute element, it is positioned according to its nearest parent that is not static (it must be absolute, relative or fixed).
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Use a normal link to submit a form
...e JavaScript by default which can be intrusive and affect performance in some cases. If JavaScript fails, it can break the whole website (e.g. using a CDN without local fallback and the third-party domain is blocked). If there is an HTML error, you can still use the website. Developers should follow...
How to delete .orig files after merge from git repository?
Some how .orig files are checked in my git repository during merge, which are now displayed in modified and un-tracked sector. But I don't want this files anymore in my repository. How to do that.
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