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Hex representation of a color with alpha channel?
...the use rgba() functional notation with decimals or percentages, e.g. rgba(255, 0, 0, 0.5) would be 50% transparent red. RGB channels are 0-255 or 0%-100%, alpha is 0-1.
In CSS 4*, you can specify the alpha channel using the 7th and 8th characters of an 8 digit hex colour, or 4th character of a 4 d...
Rails: Check output of path helper from console
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429
You can show them with rake routes directly.
In a Rails console, you can call app.post_path. T...
How do you remove the root CA certificate that fiddler installs
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edited Sep 2 at 8:05
Martijn Pieters♦
839k212212 gold badges32203220 silver badges28102810 bronze badges
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Checking that a List is not empty in Hamcrest
... class. Note the need to cast the list to Collection, thanks to Hamcrest 1.2's wonky generics.
The following imports can be used with hamcrest 1.3
import static org.hamcrest.Matchers.empty;
import static org.hamcrest.core.Is.is;
import static org.hamcrest.core.IsNot.*;
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Is cout synchronized/thread-safe?
...t?
In C++11, we do have some guarantees. The FDIS says the following in §27.4.1 [iostream.objects.overview]:
Concurrent access to a synchronized (§27.5.3.4) standard iostream object’s formatted and unformatted input (§27.7.2.1) and output (§27.7.3.1) functions or a standard C stream by mu...
How do you get the length of a list in the JSF expression language?
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edited Dec 11 '13 at 20:23
Beryllium
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answer...
What are all the common ways to read a file in Ruby?
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262
File.open("my/file/path", "r") do |f|
f.each_line do |line|
puts line
end
end
# File i...
jQuery UI accordion that keeps multiple sections open?
...e accordion styling.
– forresto
Jun 21 '12 at 10:28
12
Furthermore, this is no solution to the qu...
How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?
...ed.)
This question discusses the uses left for a C array like int arr[20]; . On his answer , @James Kanze shows one of the last strongholds of C arrays, it's unique initialization characteristics:
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