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UUID max character length
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Section 3 of RFC4122 provides the formal definition of UUID string representations. It's 36 characters (32 hex digits + 4 dashes).
Sounds like you need to figure out where the invalid 60-char IDs are coming from and decide 1) if you want to accept them, and...
When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
...ments UserDetails that is returned by a custom UserDetailsService.
More information can be found in the @AuthenticationPrincipal chapter of the Spring Security reference docs.
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Incrementing in C++ - When to use x++ or ++x?
...e 32:
From your days as a C programmer, you may recall that the prefix form of the increment operator is sometimes called "increment and fetch", while the postfix form is often known as "fetch and increment." The two phrases are important to remember, because they all but act as formal specific...
BCL (Base Class Library) vs FCL (Framework Class Library)
...Library (FCL) is the wider library that contains the totality: ASP.NET, WinForms, the XML stack, ADO.NET and more. You could say that the FCL includes the BCL.
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OnChange event handler for radio button (INPUT type=“radio”) doesn't work as one value
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var rad = document.myForm.myRadios;
var prev = null;
for (var i = 0; i < rad.length; i++) {
rad[i].addEventListener('change', function() {
(prev) ? console.log(prev.value): null;
if (this !== prev) {
prev ...
What does in XML mean?
...e of comments.
This means given these four snippets of XML from one well-formed document:
<!ENTITY MyParamEntity "Has been expanded">
<!--
Within this comment I can use ]]>
and other reserved characters like <
&, ', and ", but %MyParamEntity; will not be expanded
(if I retr...
How is null + true a string?
...es from the C# language spec.
From section 7.3.4:
An operation of the form x op y, where op is an overloadable binary operator, x is an expression of type X, and y is an expression of type Y, is processed as follows:
The set of candidate user-defined operators provided by X and Y for th...
Visual Studio: Make view code default
Is there any way to make Visual Studio show the code of a control / form by default instead of the designer? I tend not to be a fan of the designers as they add bloat.
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How to create a listbox in HTML without allowing multiple selection?
...ou want
you may want to check this site
http://www.htmlcodetutorial.com/forms/_SELECT.html
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Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ts, including browsers and mobile devices. ASP.NET Web API is an ideal platform for building RESTful applications on the .NET Framework.
Web API在ASP.NET完整框架中地位如下图，与SignalR一起同为构建Service而服务的框架。Web API负责构建http常规服务，而SingalR主要...