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How to get active user's UserDetails

...ustom User Object from the Database by some information (like the login or id) stored in the principal or want to learn how a HandlerMethodArgumentResolver or WebArgumentResolver can solve this in an elegant way, or just want to an learn the background behind @AuthenticationPrincipal and Authenticat...
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How to remove “disabled” attribute using jQuery?

...isabled').prop("disabled", false); // Element(s) are now enabled. }); jsFiddle example here. Why use prop() when you could use attr()/removeAttr() to do this? Basically, prop() should be used when getting or setting properties (such as autoplay, checked, disabled and required amongst other...
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DropDownList in MVC 4 with Razor

...answered Jul 18 '13 at 15:21 chridamchridam 82.4k1818 gold badges159159 silver badges185185 bronze badges ...
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What's the Hi/Lo algorithm?

... The basic idea is that you have two numbers to make up a primary key- a "high" number and a "low" number. A client can basically increment the "high" sequence, knowing that it can then safely generate keys from the entire range of the ...
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Is it possible to append to innerHTML without destroying descendants' event listeners?

...e DOM functions: function start() { var myspan = document.getElementById("myspan"); myspan.onclick = function() { alert ("hi"); }; var mydiv = document.getElementById("mydiv"); mydiv.appendChild(document.createTextNode("bar")); } Edit: Bob's solution, from the comments. Post you...
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Align image in center and middle within div

... margin-left: auto; margin-right: auto; display: block; } <div id="over" style="position:absolute; width:100%; height:100%"> <img src="http://www.garcard.com/images/garcard_symbol.png"> </div> JSFiddle ...
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How exactly do Django content types work?

...kish and, ultimately, against how Python tends to do things. That being said, if I'm going to use Django then I have to work within the confines of the framework. ...
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Can we have multiple in same ?

... use them to more easily style groups of data, like this: thead th { width: 100px; border-bottom: solid 1px #ddd; font-weight: bold; } tbody:nth-child(odd) { background: #f5f5f5; border: solid 1px #ddd; } tbody:nth-child(even) { background: #e5e5e5; border: solid 1px #ddd; } <table> ...
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Is there a minlength validation attribute in HTML5?

...ise an input field with an empty value will be excluded from constraint validation. <input pattern=".{3,}" required title="3 characters minimum"> <input pattern=".{5,10}" required title="5 to 10 characters"> If you want to create the option to use the pattern for "empty, or minimum ...
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Difference between dict.clear() and assigning {} in Python

... find it to be an unfairly harsh judgement. – cfwschmidt Jul 7 '14 at 20:16 1 Also clear() do not...