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What is Java String interning?
... @giannischristofakis but if we use new String(), wouldn't the == fail ? Does java automatically internalise newed strings as well ?
– Deepak Selvakumar
Apr 16 at 10:30
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What is the difference between a weak reference and an unowned reference?
...strong, weak and unowned: memory management at a higher level, because ARC does all the dirty stuff for us. Avoiding retain cycles is our job.
– Ilea Cristian
Nov 30 '14 at 11:19
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How to set target hosts in Fabric file
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Does anybody know how I can include a password for the provided username in a roledef? A further dictionary entry 'password': 'some_password' seems to be ignored and leads to a prompt at runtime.
– Dirk
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Should methods in a Java interface be declared with or without a public access modifier?
...c modifier should be omitted in Java interfaces (in my opinion).
Since it does not add any extra information, it just draws attention away from the important stuff.
Most style-guides will recommend that you leave it out, but of course, the most important thing is to be consistent across your codeb...
Where is git.exe located?
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The Windows Vista and later one doesn't seem to work on my Windows 7 box. Fails on the 8.3 naming convention; just says directory not found if I go into the dirs one at a time.
– Rob Grant
Jul 16 '14 at 13:58
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How to get Vim to highlight non-ascii characters?
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termbg doesn't seem to be a legal command in VIM 7.3 as installed on Ubuntu Server 12.10.
– dotancohen
Jun 13 '13 at 5:46
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Undo git update-index --assume-unchanged
...o-assume-unchanged --
Note: This command which has been listed elsewhere does not appear to reset all assume-unchanged files any longer (I believe it used to and previously listed it as a solution):
git update-index --really-refresh
Shortcuts
To make these common tasks easy to execute in git, ...
How to get a number of random elements from an array?
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This does not preserve the sort of the original array
– almathie
Nov 22 '18 at 17:37
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postgresql list and order tables by size
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@Sucrenoir: "does not work" is not a valid Postgres error message. The query in my answer does work for me: rextester.com/KGKPR49004
– a_horse_with_no_name
Feb 20 '17 at 9:05
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How can I avoid Java code in JSP files, using JSP 2?
...nch of scriptlets with various opening and closing braces ("Where the heck does this closing brace belong to?"). An easy aid is to configure your web application to throw an exception whenever scriptlets are still been used by adding the following piece to web.xml:
<jsp-config>
<jsp-pr...