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Is it OK to use == on enums in Java?
... for any two enums that are the same, == will be true.
Reference:
http://www.ajaxonomy.com/2007/java/making-the-most-of-java-50-enum-tricks
(couldn't find anything in the Sun docs)
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improv...
SQL Server Management Studio alternatives to browse/edit tables and run queries [closed]
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Seems that no one mentioned Query Express (http://www.albahari.com/queryexpress.aspx) and a fork Query ExPlus (also link at the bottom of http://www.albahari.com/queryexpress.aspx)
BTW. First URL is the home page of Joseph Albahari who is the author of LINQPad (check out th...
Python datetime - setting fixed hour and minute after using strptime to get day,month,year
...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...
How do I specify a password to 'psql' non-interactively?
...ORD=pass1234 psql -U MyUsername myDatabaseName
For reference, see http://www.postgresql.org/docs/current/static/libpq-envars.html
Edit
Since Postgres 9.2 there is also the option to specify a connection string or URI that can contain the username and password.
Using that is a security risk ...
How to install latest version of git on CentOS 7.x/6.x
...use following command to download Git 2.0.4.
# cd /usr/src
# wget https://www.kernel.org/pub/software/scm/git/git-2.0.4.tar.gz
# tar xzf git-2.0.4.tar.gz
After downloading and extracting Git source code, Use following command to compile source code.
# cd git-2.0.4
# make prefix=/usr/local/git al...
Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
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how about "%02d" % 9? see http://www.ruby-doc.org/core-2.0/String.html#method-i-25 and http://www.ruby-doc.org/core-2.0/Kernel.html#method-i-sprintf .
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How to use HTML Agility pack
...I had no trouble using it with help from this XPath documentation: https://www.w3schools.com/xml/xpath_syntax.asp
To parse
<h2>
<a href="">Jack</a>
</h2>
<ul>
<li class="tel">
<a href="">81 75 53 60</a>
</li>
</ul>
<h2>
...
Post JSON using Python Requests
... developer tools of your browser),
when the Content-Type is application/x-www-form-urlencoded,
code should be:
requests.post(url, data=jsonObj)
when the Content-Type is application/json,
your code is supposed to be one of below:
requests.post(url, json=jsonObj)
requests.post(url, data=jsonstr...
PostgreSQL delete with inner join
...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...
How can I find unused images and CSS styles in a website? [closed]
...ite. Version 3.01 should could work with newer versions of Firefox.
http://www.brothercake.com/dustmeselectors/
And here's another option:
https://addons.mozilla.org/en-US/firefox/addon/css-usage/
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