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Determine distance from the top of a div to top of window with javascript
...ng to write answer anyway because just like me, people sometimes forget to read the comments.
So, if you just want to get an element's distance (in Pixels) from the top of your screen window, here is what you need to do:
// Fetch the element
var el = document.getElementById("someElement");
use...
SAML: Why is the certificate within the Signature?
...se the user details supplied in the SAML attributes supplied.
You could already have the public key, meaning that the signature shouldn't need to include the public key again, but you could also have multiple possible known senders, or even a chain of known senders.
For instance you may have two t...
Get Base64 encode file-data from Input Form
...
It's entirely possible in browser-side javascript.
The easy way:
The readAsDataURL() method might already encode it as base64 for you. You'll probably need to strip out the beginning stuff (up to the first ,), but that's no biggie. This would take all the fun out though.
The hard way:
If you...
Linux的诞生和发展 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的一个问题时，所说的第一句话是"阅读源代码"（"RTFSC (Read the Fucking Source Code :-)"）。他认为答案就在源程序中。这也说明了对于学习系统软件来说，你不光需要懂得系统的工作基本原理，还需要结合实际系统，学习实际系统的...
mingw-w64 threads: posix vs win32
I'm installing mingw-w64 on Windows and there are two options: win32 threads and posix threads. I know what is the difference between win32 threads and pthreads but I don't understand what is the difference between these two options. I doubt that if I will choose posix threads it will prevent me fro...
JavaScript and Threads
Is there some way to do multi-threading in JavaScript?
13 Answers
13
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Correct way to use StringBuilder in SQL
...n the majority of cases, it will have to do a reallocation. It's easier to read, though. Note that this is not true of a series of concatenations. So for instance, this uses one StringBuilder:
return "prefix " + variable1 + " middle " + variable2 + " end";
It roughly translates to:
StringBuilder...
Why are we not to throw these exceptions?
...own without you having to test for it in the first place? And if you've already tested for it, then it's not really an exception?
– PugFugly
Mar 17 '14 at 12:08
5
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What are C++ functors and their uses?
...e is one problem with all this stuff, compiler error messages is not human readable :)
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Do HTML WebSockets maintain an open connection for each client? Does this scale?
... information about the scalability of HTML WebSockets. For everything I've read it appears that every client will maintain an open line of communication with the server. I'm just wondering how that scales and how many open WebSocket connections a server can handle. Maybe leaving those connections op...