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Can PostgreSQL index array columns?
...r Postgres 11. The manual:
... the standard distribution of PostgreSQL includes a GIN operator
class for arrays, which supports indexed queries using these
operators:
<@
@>
=
&&
The complete list of built-in operator classes for GIN indexes in the standard distribution is h...
Do login forms need tokens against CSRF attacks?
...u set up CORS wrong, the attacker can trigger a form submission (which may include an existing CSRF token in cookies) but has no way of knowing the token to send the required second copy (e.g. in the body/headers). So CSRF code will reject.
– natevw
Jan 25 '14 ...
How to change the style of alert box?
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A good way to handle that is to include event.preventDefault() in your event handler.
– PCasagrande
Nov 19 '14 at 16:29
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Is it ok to use dashes in Python files when trying to import them?
... or a variable name with a dash?
PS
Nothing original in my answer except including what I considered to be the most relevant bits of information from all other answers in one place
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Would you, at present date, use JBoss or Glassfish (or another) as Java EE server for a new project?
...need them. If you do need them, then that removes several of your options including my favorite, Jetty.
Do you have to use any of the other major J2EE technologies like JMS, ESB, etc? If so, and you really can't do without, then you are again constrained to a full-blown J2EE container. Carefully...
Is embedding background image data into CSS as Base64 good or bad practice?
...s of Mobile Safari. So be sure to keep an eye on your total file size when including data URIs.
http://www.yuiblog.com/blog/2010/06/28/mobile-browser-cache-limits/
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How can I reset or revert a file to a specific revision?
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You can use any reference to a git commit, including the SHA-1 if that's most convenient. The point is that the command looks like this:
git checkout [commit-ref] -- [filename]
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MySQL maximum memory usage
...ructure, you might also want to check out the percona server because among including a lot of contributions from companies like Facebook and Google (they know fast), it also includes Percona's own drop-in replacement for InnoDB, called XtraDB.
See my gist for percona-server (and -client) setup (on ...
Converting XML to JSON using Python?
...being said, Python's standard library has several modules for parsing XML (including DOM, SAX, and ElementTree). As of Python 2.6, support for converting Python data structures to and from JSON is included in the json module.
So the infrastructure is there.
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How do you read from stdin?
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import sys
for line in sys.stdin:
print(line)
Note that this will include a newline character at the end. To remove the newline at the end, use line.rstrip() as @brittohalloran said.
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