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What are the special dollar sign shell variables?
...f the most recent background command.
$0 is the name of the shell or shell script.
Most of the above can be found under Special Parameters in the Bash Reference Manual. There are all the environment variables set by the shell.
For a comprehensive index, please see the Reference Manual Variable In...
How to truncate milliseconds off of a .NET DateTime
...is between 50% and about 100% depending on the runtime; net 4.7.2: 0.35µs vs 0.62 µs and core 3.1: 0.18 µs vs 0.12 µs that's micro-seconds (10^-6 seconds)
– juwens
Feb 3 at 15:55
...
Using column alias in WHERE clause of MySQL query produces an error
...ing HAVING instead may do the work. Make sure to give a read at this WHERE vs HAVING though.
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What is the rationale behind having companion objects in Scala?
... Int) = {
new AlternativeThing(i)
}
}
// somewhere else you can
val vs = AbstractClass("asdf") // gives you the RealThing wrapped over string
val vi = AbstractClass(123) // gives you AlternativeThing wrapped over int
I wouldn't call the object/base class AbstractXxxxx because it doesn't l...
How to split a delimited string into an array in awk?
...etter than '\|', in some cases, especially as some variant of regexp (perl vs grep vs .. others?) can have "|" interepreted literally and "\|" seen as regex separator, instead of the opposite... ymmv
– Olivier Dulac
Dec 5 '19 at 9:16
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how to set radio option checked onload with jQuery
...ead of attr() for this kind of thing. For explanation, see the "Attributes vs. Properties" section here: api.jquery.com/prop. Also there's no need for the extra filter, you can just combine the 2 selectors e.g. $("input[name=gender][value=Male]").prop("checked", true);
– jackoc...
Google Maps v3 - limit viewable area and zoom level
..." content="text/html; charset=UTF-8"/>
<title>Google Maps JavaScript API v3 Example: Limit Panning and Zoom</title>
<script type="text/javascript"
src="http://maps.google.com/maps/api/js?sensor=false"></script>
</head>
<body>
<div id...
How do I increase modal width in Angular UI Bootstrap?
...l in-place to show what I changed.
Overwrite their default template:
<script type="text/ng-template" id="myDlgTemplateWrapper.html">
<div tabindex="-1" role="dialog" class="modal fade" ng-class="{in: animate}"
ng-style="{'z-index': 1050 + index*10, display: 'block'}" ng-clic...
How does this checkbox recaptcha work and how can I use it?
...APTCHA”
Google reCAPTCHA: Introducing the new reCAPTCHA!
This is a JavaScript based CAPTCHA.
Since most spambots do not execute JavaScript and can not identify the correlation between the displayed text and the DOM or required actions they can not click on the checkbox.
Please note that there ...
How do I find the .NET version?
... of the .NET framework that version of the compiler targets. - If you have VS2005 & VS2008 installed the different versions of CSC will report different versions.
– Matt Lacey
Oct 14 '09 at 10:37
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