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What does JVM flag CMSClassUnloadingEnabled actually do?
...created and they stay in PermGen forever. If you're running a server, that means you have a memory leak.
If you enable CMSClassUnloadingEnabled the GC will sweep PermGen, too, and remove classes which are no longer used.
[EDIT] You will also have to enable UseConcMarkSweepGC (thanks to Sam Hasler)...
Does “git fetch --tags” include “git fetch”?
...ny merge candidates:
It doesn't make sense to pull all tags; you probably meant:
git fetch --tags
This is because at that time, git-fetch --tags would override any
configured refspecs, and thus there would be no merge candidates. The error message was thus introduced to prevent confu...
Convert a String In C++ To Upper Case
...gt;, <string.h>, <wchar.h>, and <stdlib.h> [...]
Which means that the cctype members may well be macros not suitable for direct consumption in standard algorithms.
Another problem with the same example is that it does not cast the argument or verify that this is non-negative; th...
Curly braces in string in PHP
What is the meaning of { } (curly braces) in string literals in PHP?
5 Answers
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How do I undo the most recent local commits in Git?
... in --mixed which is the default) and then you can restage the changes you meant to commit.
– dmansfield
Jul 2 '14 at 21:19
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SQL, Postgres OIDs, What are they and why are they useful?
...hpPgAdmin when creating a table, the option is checked disable as default, meaning in a matter of fact that this option is deprecated.
– vdegenne
Apr 27 '15 at 21:08
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outline on only one border
... that you missed the part of using the outline propert (or similar), which means that he doesn't want to add more weight/height to the div. The border property actually does add, but outline doesn't. The box-shadow alternative, seems to be a better option, even if you need to play a little bit with ...
HTML5 Canvas vs. SVG vs. div
...icantly when there are a large number of objects
Those SVG DOM references mean that some of the footwork of dealing with the things you draw is done for you. And SVG is faster when rendering really large objects, but slower when rendering many objects.
A game would probably be faster in Canvas. A ...
Why does git-rebase give me merge conflicts when all I'm doing is squashing commits?
...hout -p (which doesn't totally work with -i), the merges are ignored. This means that whatever you did in your conflict resolution isn't there when the rebase tries to cherry-pick the next commit, so its patch may not apply. (I believe this is shown as a merge conflict because git cherry-pick can ap...
Is there an equivalent for the Zip function in Clojure Core or Contrib?
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I think you mean hash-map and hash-set instead of map and set.
– cgrand
Apr 7 '10 at 7:29
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