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Pad a number with leading zeros in JavaScript [duplicate]
...(str.length < length)
str = padString + str;
return str;
}
Now test:
var str = "5";
alert(str.lpad("0", 4)); //result "0005"
var str = "10"; // note this is string type
alert(str.lpad("0", 4)); //result "0010"
DEMO
In ECMAScript 8 , we have new method padStart and padEnd which ha...
Why does the month argument range from 0 to 11 in JavaScript's Date constructor?
...have excellent libraries like Moment.js, date-fns, and js-joda. But as of now, there is nothing more than Date built-in to the language. Hopefully this will change in the near future.
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impr...
Binding a Button's visibility to a bool value in ViewModel
...rty itself of type Visibility) though I would prefer not to do that, since now you are messing with the separation of concerns. An item's visbility should really be up to the View.
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improve t...
How to auto-center jQuery UI dialog when resizing browser?
... thanks, that looks great. Maybe I should have told that I don't always know what the ID of my dialog is, like this (how can I target that dialog?): var $dialog = $('<div><a href="#" title="Cancel">Cancel</a></a></div>') .html(assetBrowser) .dialog({ autoOpen:...
What are the uses of the exec command in shell scripts? [closed]
...profile, the last statement says something like:
exec appln-program
so now there is no shell to go back to. Even if appln-program crashes, the end-user cannot get to a shell, because it is not there - the exec replaced it.
We want to use a different shell to the one in /etc/passwd. Stupid as ...
How to remove old Docker containers
...
Updated Answer
Use docker system prune or docker container prune now. See VonC's updated answer.
Previous Answer
Composing several different hints above, the most elegant way to remove all non-running containers seems to be:
docker rm $(docker ps -q -f status=exited)
-q prints just the...
How to have conditional elements and keep DRY with Facebook React's JSX?
...ple of when a developer (me) tries to transfer patterns and approaches he knows from one area to another but it doesn't really work (in this case other template languages).
If you need a conditional element, do it like this:
render: function () {
return (
<div id="page">
...
gcc makefile error: “No rule to make target …”
...wered Jun 24 '12 at 17:17
Nick KnowlsonNick Knowlson
6,50944 gold badges4141 silver badges6262 bronze badges
...
How does SSL really work?
...ings they are allowed to sign (other certificates), and their public key.
Now if I have a copy of that Verisign certificate, I can use that to validate the signature on the server certificate for the website I want to visit. Easy, right?!
Well, not so fast. I had to get the Verisign certificate fr...
How do I list all remote branches in Git 1.7+?
...branch still, but git remote show origin shows that refs/remotes/origin/my-now-dead-branch stale (use 'git remote prune' to remove). Much more useful!
– icc97
Oct 19 '18 at 9:16
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