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How to create a JavaScript callback for knowing when an image is loaded?
...;
};
setTimeout(function(){
logo.src = 'https://edmullen.net/test/rc.jpg';
}, 5000);
};
<html>
<head>
<title>Image onload()</title>
</head>
<body>
<img src="#" alt="This imag...
std::back_inserter for a std::set?
...n 2016 there was a proposal to have a "single argument inserter iterator".
https://isocpp.org/files/papers/p0471r0.html . I couldn't find if it the proposal advanced. I think it makes sense.
For now you can have this behavior defining the maker function:
template<class Container>
auto sinser...
Naming conventions for abstract classes
...
Microsoft states, at:
https://docs.microsoft.com/en-us/dotnet/standard/design-guidelines/names-of-classes-structs-and-interfaces
"✓ CONSIDER ending the name of derived classes with the name of the base class. This is very readable and explains...
How to change value of process.env.PORT in node.js?
...
You can use cross platform solution https://www.npmjs.com/package/cross-env
$ cross-env PORT=1234
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follo...
In Windows Azure: What are web role, worker role and VM role?
...traightforward use cases:
You can run any code that exposes a tcp, http, https, or udp endpoint (web applications, SOAP/REST services, etc.). You need to think about the stateless way of doing things though - if you have more than one VM instance running, user traffic is distributed across those i...
Installing Ruby Gem in Windows
... just use rubyinstaller
It is recommended by the official Ruby page - see https://www.ruby-lang.org/en/downloads/
Ways of Installing Ruby
We have several tools on each major platform to install Ruby:
On Linux/UNIX, you can use the package management system of your
distribution o...
With Git, how do I turn off the “LF will be replaced by CRLF” warning
...ges to your repository.
git commit -m "Normalize all the line endings"
https://help.github.com/articles/dealing-with-line-endings/
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...
Multiple Type Constraints in Swift
...;(arg: T) {
}
References.
More info on the changes for where are here: https://github.com/apple/swift-evolution/blob/master/proposals/0081-move-where-expression.md
And, more on the changes for the protocol<> construct are here: https://github.com/apple/swift-evolution/blob/master/proposal...
'Specified condition “$(PackageAsSingleFile)” evaluates to “” instead of a boolean?
...en it doesn't - try deleting .user and .suo files, as per this suggestion: https://stackoverflow.com/a/16223645/913845
This does not always work, however if you skip "Preview Deployment" it is less likely to fail.
Probably it's the solution to the entire class of evaluates to "" instead of a boole...
Which $_SERVER variables are safe?
...ion of the script to begin with. Hence they can be considered reliable.
'HTTPS'
'REQUEST_TIME'
'REMOTE_ADDR' *
'REMOTE_HOST' *
'REMOTE_PORT' *
'SERVER_PROTOCOL'
'HTTP_HOST' †
'SERVER_NAME' †
'SCRIPT_FILENAME'
'SERVER_PORT' ‡
'SCRIPT_NAME'
* The REMOTE_ values are guaranteed to be the valid...