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How to properly override clone method?
... Java API developers do it. (Either Josh Bloch or Neal Gafter)
Here is an extract from openJDK, ArrayList class:
public Object clone() {
try {
ArrayList<?> v = (ArrayList<?>) super.clone();
v.elementData = Arrays.copyOf(elementData, size);
v.modCount = 0;
...
Merge, update, and pull Git branches without using checkouts
...e ref that matches <src> is fetched, and if <dst> is not empty string, the local ref that matches it is fast-forwarded using <src>. If the optional plus + is used, the local ref is updated even if it does not result in a fast-forward update.
See Also
Git checkout and merge withou...
Get next / previous element using JavaScript?
... var next = divs[i + 1];
}
}
Please be aware though as I say that extra logic would be required to check that you are within the bounds i.e. you are not at the end or start of the collection.
This also will mean that say you have a div which has a child div nested. The next div would not ...
What is the “double tilde” (~~) operator in JavaScript? [duplicate]
... browsers, and not faster at all in some browsers. If you really need that extra bit of performance, you would need to write different optimised code for each browser.
See: tilde vs floor
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im...
Fastest way to implode an associative array with keys
I'm looking for a fast way to turn an associative array in to a string. Typical structure would be like a URL query string but with customizable separators so I can use ' &amp; ' for xhtml links or ' & ' otherwise.
...
How to order events bound with jQuery
...changes (thanks Toskan) **
(function($) {
$.fn.bindFirst = function(/*String*/ eventType, /*[Object])*/ eventData, /*Function*/ handler) {
var indexOfDot = eventType.indexOf(".");
var eventNameSpace = indexOfDot > 0 ? eventType.substring(indexOfDot) : "";
eventType =...
How to repair a serialized string which has been corrupted by an incorrect byte count length?
...
array
'submit_editorial' => boolean false
'submit_orig_url' => string 'www.bbc.co.uk' (length=13)
'submit_title' => string 'No title found' (length=14)
'submit_content' => string 'dnfsdkfjdfdf' (length=12)
'submit_category' => int 2
'submit_tags' => string 'bbc' (leng...
Best way to get identity of inserted row?
...serted in the SQL code you sent to the database. If triggers go and create extra rows, they won't cause the wrong value to get returned. Hooray
IDENT_CURRENT returns the last ID that was inserted by anyone. If some other app happens to insert another row at an unforunate time, you'll get the ID of ...
Best way to define error codes/strings in Java?
...o figure out the best way to define error codes and their associated error strings . I need to have a numerical error code and an error string grouped together. Both the error code and error string will be sent to the client accessing the web service. For example, when a SQLException occurs, I might...
JavaScript variables declare outside or inside loop?
...eep both vars, keeping all the related code together, instead of having an extra, easily-forgotten bit of code at the top of the function.
Personally I tend to declare as var the first assignment of a variable in an independent section of code, whether or not there's another separate usage of the s...