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How should equals and hashcode be implemented when using JPA and Hibernate
....contains(entity) and you'll get back false. Same goes for get() / put() / etc...
– ChssPly76
Oct 28 '09 at 19:33
Make...
What is the difference between git am and git apply?
...th git am you would be carrying the commit information (along with author, etc.) into the index it is applied to. git apply then is for patching your repo (bad), git am can take legit feature changes and include it into your repo (preferred approach).
– Prasoon Joshi
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How can I launch multiple instances of MonoDevelop on the Mac?
... automating it and conveying more meaningful information than just -2, -3, etc. in the filename for command-tabbing through apps, but I haven't hit the Need > Laziness threshold yet that prompts me to build my tools :)
– Rory Blyth
Oct 31 '09 at 0:44
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How to add 10 days to current time in Rails
...
days, years, etc., are part of Active Support, So this won't work in irb, but it should work in rails console.
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Hidden Features of JavaScript? [closed]
... is a different beast. If you know, that you want to cast to string/number/etc, then you shold do that explicitly.
– Rene Saarsoo
Jun 5 '09 at 18:39
15
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Green Bars in Visual Studio 2010
...it->Advanced->Format Document. It formats code (spaces, line breaks, etc) corresponding VS settings for current file's language
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How to check whether dynamically attached event listener exists or not?
...ts = {};
EventTarget.prototype.addEventListener = function(name, listener, etc) {
var events = EventTarget.prototype.events;
if (events[name] == null) {
events[name] = [];
}
if (events[name].indexOf(listener) == -1) {
events[name].push(listener);
}
_addEventListener(name, liste...
What is the second parameter of NSLocalizedString()?
...s to be in that language ("What's up World", "Yo World", "Good Day World", etc.).
You can add a string in the comment field to hint this usage to the translator, who will (one would presume) be better able to localize your application.
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Mysql - How to quit/exit from stored procedure
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As of MySQL v5.5 you can throw an exception. Negating exception handlers, etc. that will achieve the same result, but in a cleaner, more poignant manner.
Here's how:
DECLARE CUSTOM_EXCEPTION CONDITION FOR SQLSTATE '45000';
IF <Some Error Condition> THEN
SIGNAL CUSTOM_EXC...
What is a clearfix?
... even more useful layout mechanisms under names like flexbox, grid layout, etc.
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