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How to TryParse for Enum value?
..., values, input, out value);
// multi value enum
string[] tokens = input.Split(_enumSeperators, StringSplitOptions.RemoveEmptyEntries);
if (tokens.Length == 0)
{
value = Activator.CreateInstance(type);
return false;
}
ulong ul...
How to clear Facebook Sharer cache?
...ttp and https as of the writing of this answer). You do not need an access token.
A post request to graph.facebook.com may look as follows:
POST / HTTP/1.1
Content-Type: application/x-www-form-urlencoded
Host: graph.facebook.com
Content-Length: 63
Accept-Encoding: gzip
User-Agent: Mojolicious (Per...
Python Pandas Error tokenizing data
...[0].strip()
if errortype == 'Error tokenizing data':
cerror = e.message.split(':')[1].strip().replace(',','')
nums = [n for n in cerror.split(' ') if str.isdigit(n)]
expected.append(int(nums[...
Hidden features of Windows batch files
...nd! While I hate writing batch files, I'm thankful for it.
FOR /F "eol=; tokens=2,3* delims=, " %i in (myfile.txt) do @echo %i %j %k
would parse each line in myfile.txt, ignoring lines that begin with a semicolon, passing the 2nd and 3rd token from each line to the for body, with tokens delimite...
Android: Storing username and password?
...spicuous, and less
likely to be successful. Instead use an authorization token and
refresh it.
Where possible, username and password should not be stored on the
device. Instead, perform initial authentication using the username and
password supplied by the user, and then use a short-liv...
Why are #ifndef and #define used in C++ header files?
...
#ifndef <token>
/* code */
#else
/* code to include if the token is defined */
#endif
#ifndef checks whether the given token has been #defined earlier in the file or in an included file; if not, it includes the code between it an...
Why can't C++ be parsed with a LR(1) parser?
...ing
(int(x)), (y), (new int));
(a comma-separated expression).
The two token sequences have the same initial subsequence but different parse trees, which depend on the last element. There can be arbitrarily many tokens before the disambiguating one.
...
Scanner vs. BufferedReader
...
Scanner is used for parsing tokens from the contents of the stream while BufferedReader just reads the stream and does not do any special parsing.
In fact you can pass a BufferedReader to a scanner as the source of characters to parse.
...
What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
...cc's current implementation of new C++11 headers, I stumbled upon "......" token. You can check, that the following code compiles fine [via ideone.com].
...
What's the difference between OpenID and OAuth?
...mited to the 'this is who I am' assertion, while OAuth provides an 'access token' that can be exchanged for any supported assertion via an API).
2. Features
Both protocols provide a way for a site to redirect a user somewhere else and come back with a verifiable assertion. OpenID provides an identit...