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How to free memory in Java?
... Java Virtual Machine expend effort
toward recycling unused objects in
order to make the memory they
currently occupy available for quick
reuse. When control returns from the
method call, the Java Virtual Machine
has made a best effort to reclaim
space from all discarded objects.
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Format number to 2 decimal places
...://www.w3resource.com/mysql/mathematical-functions/mysql-truncate-function.php
With rounding:
ROUND(0.166, 2)
-- will be evaluated to 0.17
ROUND(0.164, 2)
-- will be evaluated to 0.16
docs: http://www.w3resource.com/mysql/mathematical-functions/mysql-round-function.php
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Merge Images Side by Side(Horizontally)
...-image.png . All selected images will be joined as one png in alphabetical order
– user4098390
Mar 5 '17 at 10:53
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How to run Nginx within a Docker container without halting?
I have Nginx installed on a Docker container, and am trying to run it like this:
9 Answers
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“Too many values to unpack” Exception
...project in Django and I've just started trying to extend the User model in order to make user profiles.
5 Answers
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Tree data structure in C#
...Where does node come from? Does it mean I have to iterate over the tree in order to use the search code?
– BadmintonCat
Oct 1 '15 at 16:25
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Embedding DLLs in a compiled executable
...sses and packs the Microsoft .NET Framework executable (EXE, DLL) files in order to make them smaller.
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Add new field to every document in a MongoDB collection
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How do I allow HTTPS for Apache on localhost?
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In order to generate the .pem and .key files, I had to set 2 environment variables at step 2 : set OPENSSL_CONF=C:\path\to\apache\Apache2.4.4\conf\openssl.cnf set RANDFILE=C:\path\to\apache\Apache2.4.4\conf\.rnd
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Confirm deletion in modal / dialog using Twitter Bootstrap?
...we want to have delete confirmation for:
<a href="#" data-href="delete.php?id=23" data-toggle="modal" data-target="#confirm-delete">Delete record #23</a>
<button class="btn btn-default" data-href="/delete.php?id=54" data-toggle="modal" data-target="#confirm-delete">
Delete re...