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How does the “final” keyword in Java work? (I can still modify an object.)
...erent ways depending on what it's used on:
Value types: For ints, doubles etc, it will ensure that the value cannot change,
Reference types: For references to objects, final ensures that the reference will never change, meaning that it will always refer to the same object. It makes no guarantees w...
What's the difference between libev and libevent?
...nc i/o scheduling, and both engages epoll on linux, and kqueue on FreeBSD, etc.
2 Answers
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Chrome Dev Tools - Modify javascript and reload
...that:
create a file rule for the url you want to replace
edit the js/css/etc in the extension
reload as often as you want :)
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Git, How to reset origin/master to a commit?
... the ideas here. I'm not sure how or if can do this for bitbucket, github etc... And @intuitivepixel that is pointless as it reverse what you were trying to achieve with the hard reset.
– HankCa
Jul 18 '15 at 13:30
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static allocation in java - heap, stack and permanent generation
... they are given enough memory space to store the return type of the method,etc.
That is inaccurate (or at least, you are not expressing yourself clearly).
If some method accesses a static member variable, what it gets is either a primitive value or an object reference. This may be assigned to an...
Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
...general) across a vast array of environments, compilers, threading models, etc. When its my choice, I choose boost.
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Current time formatting with Javascript
...d you will see that you can extract all the bits (date, month, year, hour, etc).
http://www.w3schools.com/jsref/jsref_obj_date.asp
For something like Fri 23:00 1 Feb 2013 the code is like:
date = new Date();
weekdayNames = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
monthNames = ["...
JOIN queries vs multiple queries
...ow table. Basically looked like:
$id = mt_rand(1, 50000);
$row = $db->fetchOne("SELECT * FROM table1 WHERE id = " . $id);
$row = $db->fetchOne("SELECT * FROM table2 WHERE other_id = " . $row['other_id']);
vs
$id = mt_rand(1, 50000);
$db->fetchOne("SELECT table1.*, table2.*
FROM tabl...
Getting the last element of a list
...ome_list[-1] gets the last element, some_list[-2] gets the second to last, etc, all the way down to some_list[-len(some_list)], which gives you the first element.
You can also set list elements in this way. For instance:
>>> some_list = [1, 2, 3]
>>> some_list[-1] = 5 # Set the l...
How do I run IDEA IntelliJ on Mac OS X with JDK 7?
...ave suggested very good solutions but you have to do it manually vi editor etc. Instead you can run this command via your Mac Terminal and you will be good to go :
find /Applications/IntelliJ*/*Contents/*Info.plist -exec sed -i -e 's/string>1.6/string>1.7/' {} \;
Few optional tips:
If ...