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What does T&& (double ampersand) mean in C++11?
...'t distinguish between a copy of a non-mutable lvalue and an rvalue.
std::string s;
std::string another(s); // calls std::string(const std::string&);
std::string more(std::string(s)); // calls std::string(const std::string&);
In C++0x, this is not the case.
std::string s;
std::...
How do I decode a URL parameter using C#?
...
string decodedUrl = Uri.UnescapeDataString(url)
or
string decodedUrl = HttpUtility.UrlDecode(url)
Url is not fully decoded with one call. To fully decode you can call one of this methods in a loop:
private static string...
Getting exact error type in from DbValidationException
...eChanges();
}
catch (DbEntityValidationException ex)
{
string errorMessages = string.Join("; ", ex.EntityValidationErrors.SelectMany(x => x.ValidationErrors).Select(x => x.PropertyName + ": " + x.ErrorMessage));
throw new DbEntityValidationException(errorMessages);
...
What's the difference between EscapeUriString and EscapeDataString?
If only deal with url encoding, I should use EscapeUriString ?
5 Answers
5
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How to save a BufferedImage as a File
...of the method is like this:
public static boolean write(RenderedImage im, String formatName, File output) throws IOException
Here im is the RenderedImage to be written, formatName is the String containing the informal name of the format (e.g. png) and output is the file object to be written to. A...
How do I load a PHP file into a variable?
...ile without running it through the webserver, the following should work.
$string = eval(file_get_contents("file.php"));
This will load then evaluate the file contents. The PHP file will need to be fully formed with <?php and ?> tags for eval to evaluate it.
...
request exceeds the configured maxQueryStringLength when using [Authorize]
... request comes in, the entire request is URL encoded, and added as a query string to the request to the authorization form, so I can see where this may result in a problem given your situation.
According to MSDN, the correct element to modify to reset maxQueryStringLength in web.config is the <h...
Check if list is empty in C# [closed]
...
@ᴍᴀᴛᴛʙᴀᴋᴇʀ, var someList = new List<string>(); would be instantiated( and therefore not be null) but would be empty of elements to process
– daviesdoesit
Mar 12 '19 at 19:53
...
How can I open Windows Explorer to a certain directory from within a WPF app?
... Beware that if someone malicious (or just unaware) can get any string there, they'll be able to execute any program. @amalgamate suggestion is more secure, otherwise check if the path is a directory and if it exists before.
– Christian Rondeau
Sep 2...
Image, saved to sdcard, doesn't appear in Android's Gallery app
...canFile():
File imageFile = ...
MediaScannerConnection.scanFile(this, new String[] { imageFile.getPath() }, new String[] { "image/jpeg" }, null);
where this is your activity (or whatever context), the mime-type is only necessary if you are using non-standard file extensions and the null is for th...