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Adding placeholder text to textbox
...ndows SendMessage function.
private const int EM_SETCUEBANNER = 0x1501;
[DllImport("user32.dll", CharSet = CharSet.Auto)]
private static extern Int32 SendMessage(IntPtr hWnd, int msg, int wParam, [MarshalAs(UnmanagedType.LPWStr)]string lParam);
Then simply call the method with the handle of our ...
How to encrypt/decrypt data in php?
...u can also convert the binary data into a textual representation using base64_encode() or bin2hex(), doing so requires between 33% to 100% more storage space.
Decryption
Decryption of the stored values is similar:
function pkcs7_unpad($data)
{
return substr($data, 0, -ord($data[strlen($data) ...
How to check if any flags of a flag combination are set?
... {
CheckIsEnum<T>(true);
long lValue = Convert.ToInt64(value);
long lFlag = Convert.ToInt64(flag);
return (lValue & lFlag) != 0;
}
public static IEnumerable<T> GetFlags<T>(this T value) where T : struct
{
CheckIsEnum<T>...
Ways to synchronize interface and implementation comments in C# [closed]
...ich means you can distribute this modified version along with your library DLL instead of the one built directly by Visual Studio, which means you have the comments in intellisense as well as the documentation file (CHM, whatever).
...
Convert file path to a file URI?
...al.ThrowExceptionForHR(result);
return new Uri(buffer.ToString());
}
[DllImport("shlwapi.dll", CharSet=CharSet.Auto, SetLastError=true)]
static extern int UrlCreateFromPath(string path, StringBuilder url, ref int urlLength, int reserved);
In case the path starts with with a special prefix, it...
Why do people say there is modulo bias when using a random number generator?
... klutt
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answered Jun 12 '12 at 0:10
Nick DandoulakisNick Dandoulakis
...
How many socket connections can a web server handle?
...al or dedicated hosting, I read somewhere a server/machine can only handle 64,000 TCP connections at one time, is this true? How many could any type of hosting handle regardless of bandwidth? I'm assuming HTTP works over TCP.
...
Programmatically get the cache line size?
...
@android : I use fedora-18 x64 machine with core-i5 processor. cat /sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size returns 64 in my system. Same for index1,2,3 folders also.
– Abid Rahman K
Aug 8 '13 ...
Handling Dialogs in WPF with MVVM
...ntrol's code behind. (Since I have my Views in an .exe and ViewModels in a dll, I don't feel bad about code that manipulates UI.)
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How to escape a JSON string to have it in a URL?
...ndy in certain situations.
Rather than URL-encoding the data, you can base64-encode it. The benefit of this is the encoded data is very generic, consisting only of alpha characters and sometimes trailing ='s. Example:
JSON array-of-strings:
["option", "Fred's dog", "Bill & Trudy", "param=3"]...