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Convert RGB to RGBA over white
I have a hex color, e.g. #F4F8FB (or rgb(244, 248, 251) ) that I want converted into an as-transparent-as-possible rgba color (when displayed over white). Make sense? I'm looking for an algorithm, or at least idea of an algorithm for how to do so.
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How to terminate script execution when debugging in Google Chrome?
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Evan Carroll
59.2k3737 gold badges193193 silver badges316316 bronze badges
answered Dec 3 '14 at 1:11
Alexander KAlex...
Using Java 8 to convert a list of objects into a string obtained from the toString() method
...lt;Integer> list = new ArrayList<>();
list.add(1);
list.add(2);
list.add(3);
StringBuilder b = new StringBuilder();
list.forEach(b::append);
System.out.println(b);
you can also try:
String s = list.stream().map(e -> e.toString()).reduce("", String::concat);
Expla...
How to install a specific version of a ruby gem?
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1182
Use the -v flag:
$ gem install fog -v 1.8
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Difference between List, List, List, List, and List
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1) Correct
2) You can think of that one as "read only" list, where you don't care about the type of the items.Could e.g. be used by a method that is returning the length of the list.
3) T, E and U are the same, but people tend to use ...
How to prevent Browser cache for php site
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292
try this
<?php
header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
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How to lose margin/padding in UITextView?
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22 Answers
22
Active
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Using the RUN instruction in a Dockerfile with 'source' does not work
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329
RUN /bin/bash -c "source /usr/local/bin/virtualenvwrapper.sh"
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How to get the last element of an array in Ruby?
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2 Answers
2
Active
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Environment variables in Mac OS X
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edited Apr 5 '18 at 1:32
answered Sep 21 '10 at 1:20
Mat...