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What are Runtime.getRuntime().totalMemory() and freeMemory()?
...ime().totalMemory() and freeMemory()?</a>
* @see <a href="http://www.oracle.com/technetwork/java/javase/memorymanagement-whitepaper-150215.pdf">
* Memory Management in the Sun Java HotSpot™ Virtual Machine</a>
* @see <a href="http://docs.oracle.com/javase/8/docs/technot...
How can I mix LaTeX in with Markdown? [closed]
...ind it as easy to work with, and it allows embedding of Latex. Cf. http://www.gnu.org/software/emacs/manual/html_node/org/Embedded-LaTeX.html
Postscript
In case you haven't looked at org-mode, it has one great strength as a general purpose "natural markup language" over Markdown, namely its treat...
Converting camel case to underscore case in ruby
...ectation to return self if a mutation occurred, nil otherwise. (see http://www.ruby-doc.org/core-1.9.3/String.html#method-i-gsub-21)
def to_underscore!
gsub!(/(.)([A-Z])/,'\1_\2')
downcase!
end
def to_underscore
dup.tap { |s| s.to_underscore! }
end
end
So "SomeCamelCase...
Can I change all my http:// links to just //?
...ss URLs to load stylesheets, IE 7 & 8 will download them twice:
http://www.stevesouders.com/blog/2010/02/10/5a-missing-schema-double-download/
So, this is to be avoided for CSS if you like good performance.
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What's the best way to model recurring events in a calendar application?
...45 RFC 5545).
Ones to come to mind quickly are the Mozilla projects http://www.mozilla.org/projects/calendar/ A quick search reveals http://icalendar.rubyforge.org/ as well.
Other options can be considered depending on how you're going to store the events. Are you building your own database schem...
php: determine where function was called from
...ce: Array
(
[0] => Array
(
[file] => C:\wamp\www\index.php
[line] => 56
[function] => func
[class] => (func Class namespace)
[type] => ->
)
)
I test the speed on Lenovo laptop: Intel Pentiom CPU N...
LEFT JOIN only first row
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Copy values from one column to another in the same table
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Make elasticsearch only return certain fields?
...elpful - especially the two sections, Source filtering and Fields: https://www.elastic.co/guide/en/elasticsearch/reference/7.3/docs-get.html#get-source-filtering
They state about source filtering:
If you only need one or two fields from the complete _source, you can
use the _source_include &a...
How to save a Python interactive session?
...
http://www.andrewhjon.es/save-interactive-python-session-history
import readline
readline.write_history_file('/home/ahj/history')
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