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How to unload a package without restarting R
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What error do you get? Because it works for me (R 3.1). And the second solution is the same @koshke's answer, only without unload (so the package namespace is not unloaded).
– alko989
Jun 11 '14 at 1:32
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How do you post to an iframe?
...ou can verify this behaviour for yourself.
default.asp
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC
"-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<title>Form Iframe Demo</title>
...
All Ruby tests raising: undefined method `authenticate' for nil:NilClass
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The above answer did not work for me (RSpec 3.1)
See https://stackoverflow.com/a/21166482/1161743 for a solution that worked for me.
You will need to log out an anonymous user before setting up variables:
before :each do
sign_out :user
end
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HTML: Include, or exclude, optional closing tags?
...displaying errors to the end user, and the dearth of new features in XHTML 1.0 and 1.1 to justify the cost, web authors basically ignored application/xhtml+xml. But that doesn’t mean they ignored XHTML altogether. Oh, most definitely not. Appendix C of the XHTML 1.0 specification gave the web auth...
Javascript roundoff number to nearest 0.5
...t may be useful to you:
function round(value, step) {
step || (step = 1.0);
var inv = 1.0 / step;
return Math.round(value * inv) / inv;
}
round(2.74, 0.1) = 2.7
round(2.74, 0.25) = 2.75
round(2.74, 0.5) = 2.5
round(2.74, 1.0) = 3.0
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How to list all the available keyspaces in Cassandra?
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[cqlsh 4.1.0 | Cassandra 2.0.4 | CQL spec 3.1.1 | Thrift protocol 19.39.0]
Currently, the command to use is:
DESCRIBE keyspaces;
share
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improve this answer
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滚动控制使用指导 · App Inventor 2 中文网
...卓/鸿蒙/iOS aia 源码商店 中文社区 中文教育版 各版本对比 关于 关于我们 发布日志 服务条款 搜索 ...
Version of SQLite used in Android?
...r)
SQLite 3.22.0:
29-10.0-Q (Revision 8 in SDK Manager)
28-9.0-P
SQLite 3.19.4 (for some reason 3.19.4 does not exist in sqlite release notes! so linking to version control check-ins instead):
27-8.1.0-O MR1
SQLite 3.18.2:
26-8.0.0-O (note: O beta versions used 3.18.0)
SQLite 3.9.2:
25-7.1.1...
How to load external webpage inside WebView
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try this
webviewlayout.xml:
<?xml version="1.0" encoding="utf-8"?>
<WebView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/help_webview"
android:layout_width="fill_parent"
android:layout_height="fill_parent...
How to pad zeroes to a string?
...arsH Thanks for finding this. So they are severely behind schedule (Python 3.1 isn’t in the future, it’s in the distant past). Given that, I still don’t think the answer was misleading, just not stringently updated every time the Python development schedule changed in a new, arbitrary directio...