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What is the dual table in Oracle?
...unction in a select statement:
e.g. select sysdate from dual;
See http://www.adp-gmbh.ch/ora/misc/dual.html
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Which Eclipse version should I use for an Android app?
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If you need to install or update Eclipse, you can download it from http://www.eclipse.org/downloads/. The "Eclipse Classic" version is recommended. Otherwise, a Java or RCP version of Eclipse is recommended.
April 2014 Updated
Eclipse Indigo (Version 3.7.2) or higher is required. I'll suggest...
invalid byte sequence for encoding “UTF8”
... a different source, consult the list of character encodings here:
http://www.postgresql.org/docs/8.3/static/multibyte.html
If you're getting it from a Mac, you may have to run it through the "iconv" utility first to convert it from MacRoman to UTF-8.
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How to draw circle in html page?
...canvas> tag.
To draw circle in embedded SVG:
<svg xmlns="http://www.w3.org/2000/svg">
<circle cx="50" cy="50" r="50" fill="red" />
</svg>
Circle in <canvas>:
var canvas = document.getElementById("circlecanvas");
var context = canvas.getContext("2d");...
Can't access RabbitMQ web management interface after fresh install
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It's new features since the version 3.3.0
http://www.rabbitmq.com/release-notes/README-3.3.0.txt
server
------
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25603 prevent access using the default guest/guest credentials except via
localhost.
If you want enable the guest user read this or this RabbitMQ 3.3...
How to style readonly attribute with CSS?
...", which can be either blank or "readonly" (the only valid values). http://www.whatwg.org/specs/web-apps/current-work/#boolean-attribute
If you are using something like jQuery's .prop('readonly', true) function, you'll end up needing [readonly], whereas if you are using .attr("readonly", "readonly"...
Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie
....postMessage('ping');
It's not allowed according to the standard: http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html#dom-worker
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How do I add a Maven dependency in Eclipse?
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>doc-examples</gro...
Enable Vim Syntax Highlighting By Default
...ave the syntax module enabled try this article to install full vim
http://www.turnkeylinux.org/forum/support/20140108/solved-bash-command-not-found-after-replacing-package
tl;dr
# apt-get remove vim-tiny
# apt-get install vim
# hash vim
# vim
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Using DISTINCT and COUNT together in a MySQL Query
...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...