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How do I provide custom cast support for my class?
... explicit.
The syntax is like this:
public static implicit operator dbInt64(Byte x)
{
return new dbInt64(x);
}
or
public static explicit operator Int64(dbInt64 x)
{
if (!x.defined)
throw new DataValueNullException();
return x.iVal;
}
For your example, say from your custom ...
How do I check for a network connection?
... return returnValue;
}
Put this below line of code.
[DllImport("wininet.dll")]
public extern static bool InternetGetConnectedState(out int Description, int ReservedValue);
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How to extract text from a PDF? [closed]
...hat I had to import - luckily no images. Ghostscript worked for me:
gswin64c -sDEVICE=txtwrite -o output.txt input.pdf
The output file was split into pages with headers, etc., but it was then easy to write an app to strip out blank lines, etc, and suck in all 30,000 records. -dSIMPLE and -dCOMPLE...
What is the difference between a cer, pvk, and pfx file?
...cate. These can be in "binary" (ASN.1 DER), or it can be encoded with Base-64 and have a header and footer applied (PEM); Windows will recognize either. To verify the integrity of a certificate, you have to check its signature using the issuer's public key... which is, in turn, another certificate.
...
What is the best practice for “Copy Local” and with project references?
...e idea based on experience. If your startup project holds references to a dll that any other project holds a reference to you will at some point experience an access\sharing violation even if copy local = false on everything and your build will fail. This issue is very annoying and hard to track d...
What languages are Windows, Mac OS X and Linux written in?
...It's
the segmentation that makes it REALLY 386 dependent (every task has a
64Mb segment for code & data - max 64 tasks in 4Gb. Anybody who needs
more than 64Mb/task - tough cookies). [...] Some of my "C"-files
(specifically mm.c) are almost as much assembler as C. [...] Unlike
minix, I also happ...
.rar, .zip files MIME Type
...extension in your php.ini and restart your server:
extension=php_fileinfo.dll
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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
...id. This difference can and does actually occur, because x86 does not use 64-bits for its internal floating-point computations; it actually uses 80-bits! This is called double extended-precision.
So, even among just x86 compilers, it sometimes happen that the same number is represented two differ...
Usage of __slots__?
...991611
>>> min(timeit.repeat(get_set_delete_fn(not_slotted)))
0.3664822799983085
The slotted access is almost 30% faster in Python 3.5 on Ubuntu.
>>> 0.3664822799983085 / 0.2846834529991611
1.2873325658284342
In Python 2 on Windows I have measured it about 15% faster.
Why use __s...
“The page you are requesting cannot be served because of the extension configuration.” error message
...am with an incorrect format
As it turns out, the server was running 2008 64 bit and I was trying to run the 32 bit version of the utility. Running the version found in \Windows\Microsoft.NET\Framework64\v2.0.50727 fixed the issue.
c:\Windows\Microsoft.NET\Framework64\v2.0.50727>aspnet_regiis....