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How to perform runtime type checking in Dart?
...y to a casual reader, so the best description right now seems to be http://www.dartlang.org/articles/optional-types/.
Here's an example:
class Foo { }
main() {
var foo = new Foo();
if (foo is Foo) {
print("it's a foo!");
}
}
...
In C++, what is a virtual base class?
...I found that solved all my doubts on this subject was this article: http://www.phpcompiler.org/articles/virtualinheritance.html
You really won't need to read anything else on the topic (unless you are a compiler writer) after reading that...
...
What is a coroutine?
...e coroutine:
launch{}
async{}
You can learn more from here :
https://www.kotlindevelopment.com/deep-dive-coroutines/
https://blog.mindorks.com/what-are-coroutines-in-kotlin-bf4fecd476e9
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Which HTML elements can receive focus?
...wed on elements that accept keyboard events or other user inputs.
http://www.w3schools.com/cssref/sel_focus.asp
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How to run a background task in a servlet based web application?
...
You can use cron4j. http://www.sauronsoftware.it/projects/cron4j/manual.php
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What is the syntax to insert one list into another list in python?
...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...
How to make Regular expression into non-greedy?
...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...
Font from origin has been blocked from loading by Cross-Origin Resource Sharing policy
... thing that has worked for me (probably because I had inconsistencies with www. usage):
Paste this in to your .htaccess file:
<IfModule mod_headers.c>
<FilesMatch "\.(eot|font.css|otf|ttc|ttf|woff)$">
Header set Access-Control-Allow-Origin "*"
</FilesMatch>
</IfModule>
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How do you push a tag to a remote repository using Git?
...ags
Here are some resources for complete details on git tagging:
http://www.cubearticle.com/articles/more/git/git-tag
http://wptheming.com/2011/04/add-remove-github-tags
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Open an IO stream from a local file or url
...tents = open('local-file.txt') { |f| f.read }
web_contents = open('http://www.stackoverflow.com') {|f| f.read }
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