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How do I create directory if none exists using File class in Ruby?
...mplementing the wheel, not recommended)
dirname = File.dirname(some_path)
tokens = dirname.split(/[\/\\]/) # don't forget the backslash for Windows! And to escape both "\" and "/"
1.upto(tokens.size) do |n|
dir = tokens[0...n]
Dir.mkdir(dir) unless Dir.exist?(dir)
end
...
How can I hash a password in Java?
...c;
/**
* Hash passwords for storage, and test passwords against password tokens.
*
* Instances of this class can be used concurrently by multiple threads.
*
* @author erickson
* @see <a href="http://stackoverflow.com/a/2861125/3474">StackOverflow</a>
*/
public final class Pass...
uncaught syntaxerror unexpected token U JSON
I get this error "uncaught syntaxerror unexpected token U" when I run my page in chrome. And in firefox I get, "JSON.parse: unexpected character". I'm returning the json data from a php file and the returning json string is valid. I checked it with http://jsonlint.com/ . Any help would be apprecia...
Can JSON start with “[”?
...here: http://www.ietf.org/rfc/rfc4627.txt
A JSON text is a sequence of tokens.
The set of tokens includes six
structural characters, strings,
numbers, and three literal names.
A JSON text is a serialized object or array.
Update (2014)
As of March 2014, there is a new JSON RFC (715...
Best way for a 'forgot password' implementation? [closed]
...opriate way to implement this would be - send the temporary password-reset token as an email in plain-text to the user (but never store it as plain-text in the DB) - after user enters this temp immediately force him to re-enter a new password. - for the paranoid, ensure that your smtp server has ssl...
Is there a way to create multiline comments in Python?
...they appear in the source code.
If you try to run this code...
def parse_token(token):
"""
This function parses a token.
TODO: write a decent docstring :-)
"""
if token == '\\and':
do_something()
elif token == '\\or':
do_something_else()
elif token ==...
Cannot use ref or out parameter in lambda expressions
...id the search, to demonstrate the syntax:
public static ScanOperation<TToken> CreateScanOperation(
PrattTokenDefinition<TNode, TToken, TParser, TSelf> tokenDefinition)
{
var oldScanOperation = tokenDefinition.ScanOperation; // Closures still work.
return delegate(string text...
Get cookie by name
...urn parts.pop().split(';').shift();
}
Walkthrough
Splitting a string by token will produce either, an array with one string (same value), in case token does not exist in a string, or an array with two strings , in case token is found in a string .
The first (left) element is string of what was ...
How to set commands output as a variable in a batch file
...
FOR /F "tokens=* USEBACKQ" %%F IN (`command`) DO (
SET var=%%F
)
ECHO %var%
I always use the USEBACKQ so that if you have a string to insert or a long file name, you can use your double quotes without screwing up the command.
Now ...
Is it possible to create a remote repo on GitHub from the CLI without opening browser?
...the same problem, this is what i basicly did: curl -F 'login=username' -F 'token=API Token' https://github.com/api/v2/yaml/repos/create -F name=reponame. Your API Token can be found on the GitHub site, click Account Settings, look for Administrative Information and API Token (32 character long strin...