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How to close tag properly?
...sing void element is perfectly valid in html 5. See html.spec.whatwg.org/#start-tags which would make <img src='stackoverflow.png' /> valid in any version of XHTML and HTML 5.
– Robert McKee
Nov 18 '19 at 21:32
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Where can I get a list of Ansible pre-defined variables?
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"start": "2048"
},
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What does [object Object] mean?
... console.log(whichIsVisible()) instead of alert.
Sidenote: IDs should not start with digits.
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What is the difference between a 'closure' and a 'lambda'?
...da that need to be saved somewhere.
It didn't took too long for people to start calling the actual data structure they use in their language's implementations to implement closure as the "closure" itself. The structure usually looks something like this:
Closure {
[pointer to the lambda function...
How to parse JSON in Scala using standard Scala classes?
...ssert( result == List(("English",true,2.5), ("Latin",false,0.9)))
At the start of the for loop I artificially wrap the result in a list so that it yields a list at the end. Then in the rest of the for loop I use the fact that generators (using <-) and value definitions (using =) will make use o...
Animate scrollTop not working in firefox
... = document.documentElement;
var body = document.body;
// get our starting position.
// pageYOffset works for all browsers except IE8 and below
var startingY = window.pageYOffset || body.scrollTop || html.scrollTop;
// scroll the window down by 1px (scrollTo works in all brows...
Set a default parameter value for a JavaScript function
...` below lets you call the function without any parameters
function myFor({ start = 5, end = 1, step = -1 } = {}) { // (A)
// Use the variables `start`, `end` and `step` here
···
}
Pre ES2015,
There are a lot of ways, but this is my preferred method — it lets you pass in anything you ...
Tracing XML request/responses with JAX-WS
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Before starting tomcat, set JAVA_OPTS as below in Linux envs. Then start Tomcat. You will see the request and response in the catalina.out file.
export JAVA_OPTS="$JAVA_OPTS -Dcom.sun.xml.ws.transport.http.client.HttpTransportPipe....
How to move Jenkins from one PC to another
...up Directory
On Target Jenkins go to ThinBackup --> Restore, and then restart Jenkins service.
If some Plugins or Jobs are missing, copy the backup content directly to the target JENKINS_HOME.
If you had user authentication on the source Jenkins, and now locked out on the target Jenkins, then edi...
Purpose of Trigraph sequences in C++?
...ve to remember when you're typing the two '?' characters that you might be starting a trigraph (and it's certainly never something I'm thinking about).
In practice, trigraphs and digraphs are something I don't worry about at all on a day-to-day basis. But you should be aware of them because once...