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Rails: redirect_to with :error, but flash[:error] empty
...'m trying to do a redirect while setting the flash[:error] value. (Rails 3.0.10)
3 Answers
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Opacity of div's background without affecting contained element in IE 8?
...ur instead.
The CSS is fairly simple:
.myelement {
background: rgba(200, 54, 54, 0.5);
}
...where the first three numbers are the red, green and blue values for your background colour, and the fourth is the 'alpha' channel value, which works the same way as the opacity value.
See this page ...
Is there a way to iterate over a slice in reverse in Go?
... loop counting down:
s := []int{5, 4, 3, 2, 1}
for i := len(s)-1; i >= 0; i-- {
fmt.Println(s[i])
}
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How to find Array length inside the Handlebar templates?
...;
{{/each}}
</ul>
Would yield:
<ul>
<li>apple 0 3</li>
<li>orange 1 3</li>
<li>banana 2 3</li>
</ul>
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How to return an empty ActiveRecord relation?
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Patrick Brinich-Langlois
1,2301414 silver badges2626 bronze badges
answered Apr 3 '12 at 20:39
steveh7steveh7
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How to print a list of symbols exported from a dynamic library
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man 1 nm
https://web.archive.org/web/20160316222941/https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man1/nm.1.html
For example:
nm -gU /usr/local/Cellar/cairo/1.12.16/lib/cairo/libcairo-trace.0.dylib
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Example of multipart/form-data
...ng a similar, but more in-depth answer at: https://stackoverflow.com/a/28380690/895245
To see exactly what is happening, use nc -l or an ECHO server and an user agent like a browser or cURL.
Save the form to an .html file:
<form action="http://localhost:8000" method="post" enctype="multipart/f...
Argparse: Required argument 'y' if 'x' is present
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edited Mar 20 '19 at 10:13
answered Oct 16 '13 at 22:11
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How to compare two dates?
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505
Use the datetime method and the operator < and its kin.
>>> from datetime import d...
Convert integer to string Jinja
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answered Oct 3 '13 at 15:06
Glen SwiftGlen Swift
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