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How does Google calculate my location on a desktop?
... the system (probably in compliance with the W3C draft for the geolocation API) your computer sends the wifi identifiers it sees, and the system does two things:
queries its database if geolocation exists for some of the wifis you passed, and returns the "wardrived" position if found, eventually w...
How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
...e content by UploadedFile#getContents(). This will return null when native API is used instead of Apache Commons FileUpload. You need to use UploadedFile#getInputStream() instead. See also How to insert uploaded image from p:fileUpload as BLOB in MySQL?
Another potential problem with native API wil...
How to find the Number of CPU Cores via .NET/C#?
...essors"]);
}
Processors excluded from Windows:
You can also use Windows API calls in setupapi.dll to discover processors that have been excluded from Windows (e.g. through boot settings) and aren't detectable using the above means. The code below gives the total number of logical processors (I ha...
Why does Environment.Exit() not terminate the program any more?
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Uxtheme.dll is the odd-duck out. It implements the Visual Styles theming API and is used by this test program. I can't be sure, but my money is on that one as the source of the problem. The copy in C:\WINDOWS\system32 has version number 6.2.9200.16660, created on August 14th, 2013 on my machine.
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Differences between cookies and sessions?
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Google JSESSIONID. This will explain how the Servlet API initially uses URL re-writing and then, if cookies are enabled, cookies to manage sessions.
HTTP is stateless so the client browser must send the id of its session to the server with each request. The server, through wh...
Does Entity Framework Code First support stored procedures?
...is possible to fall back to ObjectContext but DbContext also provides nice APIs to execute native SQL queries and commands (e.g. DbSet.SqlQuery, DbContext.Database.SqlQuery and DbContext.Database.ExecuteSqlCommand). The different SqlQuery versions have the same basic materialization functionality th...
Open file dialog box in JavaScript
... $("#logo").trigger('click');
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<a href="#" id="select_logo">Select Logo</a> <input type="file" id="logo">
for IE add this:
$("#logo").css('filter','alpha(opacity =...
FileNotFoundException while getting the InputStream object from HttpURLConnection
...I've only hands on experience with JAX-WS/RS from the standard Java EE 5/6 API. I'd suggest to put a breakpoint on the method responsible for processing the XML file and then step further from there.
– BalusC
Mar 21 '11 at 15:31
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How do I determine the size of my array in C?
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For Windows API programming in C or C++, there is the ARRAYSIZE makro defined in WinNT.h (which gets pulled in by other headers). So WinAPI users don't need to define their own makro.
– Lumi
Apr 23 ...
What are the differences between Generics in C# and Java… and Templates in C++? [closed]
...I'm surprised they're not, in a way, given the need to interact with older APIs that embed fixed-sized arrays within structures), it would be useful to declare a class which contained a few individual items and then a value-type array whose size was a generic parameter. As it is, the closest one ca...