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Authentication versus Authorization
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Authentication is the process of ascertaining that somebody really is who they claim to be.
Authorization refers to rules that determine who is allowed to do what. E.g. Adam may be authorized to create and delete databases,
while Usama is only authorised to read.
The t...
Center a DIV horizontally and vertically [duplicate]
...s well. I could not test in Android nor windows 8. I would appreciate if someone tells me. In IE8 it only works if the .content is smaller than the browser. It does not work in IE7 and before. In January 2014: IE8 is 3.1%, IE7:0,4% w3schools.com/browsers/browsers_explorer.asp
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How to debug Angular JavaScript Code
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1. Chrome
For debugging AngularJS in Chrome you can use AngularJS Batarang.
(From recent reviews on the plugin it seems like AngularJS Batarang is no longer being maintained. Tested in various versions of Chrome and it does not work...
Markdown and image alignment
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You can embed HTML in Markdown, so you can do something like this:
<img style="float: right;" src="whatever.jpg">
Continue markdown text...
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How to make JavaScript execute after page load?
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These solutions will work:
<body onload="script();">
or
document.onload = function ...
or even
window.onload = function ...
Note that the last option is a better way to go since it is unobstrusive and is considered more standard.
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How do I check if a variable exists?
I want to check if a variable exists. Now I'm doing something like this:
11 Answers
11...
How to find the Number of CPU Cores via .NET/C#?
...cessors.
The number of logical processors is available through the Environment class, but the other information is only available through WMI (and you may have to install some hotfixes or service packs to get it on some systems):
Make sure to add a reference in your project to System.Management.dl...
Drop shadow for PNG image in CSS
...Microsoft.Dropshadow(OffX=12, OffY=12, Color='#444')";
}
<!-- HTML elements here -->
<svg height="0" xmlns="http://www.w3.org/2000/svg">
<filter id="drop-shadow">
<feGaussianBlur in="SourceAlpha" stdDeviation="4"/>
<feOffset dx="12" dy="12" result="o...
How to run a class from Jar which is not the Main-Class in its Manifest file
I have a JAR with 4 classes, each one has Main method. I want to be able to run each one of those as per the need. I am trying to run it from command-line on Linux box.
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Detect if device is iOS
...n
|| (navigator.userAgent.includes("Mac") && "ontouchend" in document)
}
iOS will be either true or false
Worse option: User agent sniffing
User Agent sniffing is more dangerous and problems appear often.
On iPad iOS 13, the user agent is identical with that of a MacOS 13 computer, but if...