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DateTime vs DateTimeOffset

...s a position on someone's calendar, and there are many different calendars all over the globe. We call these calendars time zones. Calendar time is represented by a DateTime where .Kind is DateTimeKind.Unspecified, or DateTimeKind.Local. And .Local is only meaningful in scenarios where you have a...
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Why do 64-bit DLLs go to System32 and 32-bit DLLs to SysWoW64 on 64-bit Windows?

...ve it. SysWoW64 wasn't intended for the dlls of 64-bit systems, it's actually something like "Windows on Windows64", meaning the bits you need to run 32bit apps on a 64bit windows. This article explains a bit: "Windows x64 has a directory System32 that contains 64-bit DLLs (sic!). Thus native p...
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What unique features does Firebug have that are not built-in to Firefox?

...There are more things missing, which are tracked in a bug report filed for all the gaps between Firebug and the Firefox DevTools. Firebug integration Firebug is now built on top of the native developer tools. Since Firefox 48 there's also a Firebug theme that looks like the Firebug extension, lett...
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Instantiating a generic class in Java [duplicate]

... This is all great and all ... it certainly works. But ... if all we need is a new Bar instance (since <T> is <Bar>) then reflectively making a Bar instance with Class<Bar> token = Bar.class; and Bar newBar = token....
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快速开发CSS的利器LESS 系列教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...-overflow { display:block;/*内联对象需加*/ word-break:keep-all;/* 不换行 */ white-space:nowrap;/* 不换行 */ overflow:hidden;/* 内容超出宽度时隐藏超出部分的内容 */ text-overflow:ellipsis;/* 当对象内文本溢出时显示省略标记(...) ;需...
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CSS – why doesn’t percentage height work? [duplicate]

...s house?</p> </div> </div> #inner will grow to be tall enough to contain the paragraph and #outer will grow to be tall enough to contain #inner. When you specify the height or width as a percentage, that's a percentage with respect to the element's parent. In the case of wid...
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Why use the params keyword?

... With params you can call your method like this: addTwoEach(1, 2, 3, 4, 5); Without params, you can’t. Additionally, you can call the method with an array as a parameter in both cases: addTwoEach(new int[] { 1, 2, 3, 4, 5 }); That is, par...
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Attach a file from MemoryStream to a MailMessage in C#

... writer.Disopose() was too early for my solution but all the other is great example. – Kazimierz Jawor Aug 4 '15 at 13:10 ...
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Quickest way to compare two generic lists for differences

...2.Except(list1).ToList(); I suspect there are approaches which would actually be marginally faster than this, but even this will be vastly faster than your O(N * M) approach. If you want to combine these, you could create a method with the above and then a return statement: return !firstNotSecon...
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Can someone give an example of cosine similarity, in a very simple, graphical way?

... I am really glad this was useful to you, Alex. Sorry for the delay in responding. I haven't visited StackOverflow in a while. Actually this is an example of an "inner product space". There's a basic discussion on wikipedia. ...