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Why doesn't Python have a sign function?
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@Andrew - @user238424's calling order is correct. copysign(a,b) returns a with the sign of b - b is the varying input, a is the value to normalize to with b's sign. In this case, the commenter is illustrating that copysign(1,x) as a replacement for sign(x)...
How can I get stock quotes using Google Finance API?
...solution example is FinancialContent: http://www.financialcontent.com/json.php
or Xignite
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Passing a std::array of unknown size to a function
...y is that its size is part of its type, so you'd have to use a template in order to implement a function that takes an std::array of arbitrary size.
gsl::span on the other hand stores its size as run-time information. This allows you to use one non-template function to accept an array of arbitrary...
How to upload files to server using JSP/Servlet?
...ter() the usual way.
First annotate your servlet with @MultipartConfig in order to let it recognize and support multipart/form-data requests and thus get getPart() to work:
@WebServlet("/upload")
@MultipartConfig
public class UploadServlet extends HttpServlet {
// ...
}
Then, implement its d...
Targeting .NET Framework 4.5 via Visual Studio 2010
...but cannot be used for future releases. You must use Visual Studio 2012 in order to utilize .NET 4.5.
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Short description of the scoping rules?
...e5
x()
The for loop does not have its own namespace. In LEGB order, the scopes would be
L: Local in def spam (in code3, code4, and code5)
E: Any enclosing functions (if the whole example were in another def)
G: Were there any x declared globally in the module (in code1)?
B: Any buil...
How do I install cURL on cygwin?
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In order to use the command-line version of curl, you need the curl executable.
So, run the Cygwins Setup.exe, and select curl (under Net->curl). That one uses libcurl3, which is located in Libs->libcurl3. But libcurl3 wil...
jQuery UI Dialog - missing close icon
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This fixed my problem. I included the resources in this order: 1) JQuery core 2)bootstrap 3)JQueryUI. Thanks for your help; better late than never! PS - you did blow my mind.
– Xion Dark
Dec 11 '13 at 16:56
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How can I efficiently select a Standard Library container in C++11?
...iative container
If you need to have the elements sorted, then you need an ordered associative container
Otherwise, jump to the question 2.
Question 1.1: Ordered ?
If you do not need a specific order, use an unordered_ container, otherwise use its traditional ordered counterpart.
Question 1.2:...
Get Base64 encode file-data from Input Form
...hat support it (Chrome, Firefox and the as-yet unreleased Safari 6), and a PHP script that echos back POSTed file data as Base64-encoded data for the other browsers.
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