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How to print (using cout) a number in binary form?
...rry Coffin
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techniques for obscuring sensitive strings in C++
...m byte values and then compute key2:
key1[n] = crypto_grade_random_number(0..255)
key2[n] = key[n] XOR key1[n]
You can do this in your build environment, and then only store key1and key2 in your application.
Protecting your binary
Another approach is to use a tool to protect your binary. For i...
Best way to parse RSS/Atom feeds with PHP [closed]
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10 Answers
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Calculate the date yesterday in JavaScript
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var date = new Date();
date ; //# => Fri Apr 01 2011 11:14:50 GMT+0200 (CEST)
date.setDate(date.getDate() - 1);
date ; //# => Thu Mar 31 2011 11:14:50 GMT+0200 (CEST)
share
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How can bcrypt have built-in salts?
... in the database, a bcrypt "hash" might look something like this:
$2a$10$vI8aWBnW3fID.ZQ4/zo1G.q1lRps.9cGLcZEiGDMVr5yUP1KUOYTa
This is actually three fields, delimited by "$":
2a identifies the bcrypt algorithm version that was used.
10 is the cost factor; 210 iterations of the key derivatio...
Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
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| version() |
+------------+
| 5.5.21-log |
+------------+
1 row in set (0.00 sec)
mysql> SHOW GRANTS FOR 'root'@'localhost';
+---------------------------------------------------------------------+
| Grants for root@localhost |
+-----------------------...
How to change the background color of a UIButton while it's highlighted?
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30 Answers
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How to loop through an array containing objects and access their properties
...rt to that!
– fatCop
Nov 8 '15 at 9:04
2
@DoryZidon: forEach not support break or stop - develop...
Safe (bounds-checked) array lookup in Swift, through optional bindings?
... return indices.contains(index) ? self[index] : nil
}
}
Swift 3.0 and 3.1
extension Collection where Indices.Iterator.Element == Index {
/// Returns the element at the specified index if it is within bounds, otherwise nil.
subscript (safe index: Index) -> Generator.Element? {...
How to get the error message from the error code returned by GetLastError()?
...any.
DWORD errorMessageID = ::GetLastError();
if(errorMessageID == 0)
return std::string(); //No error message has been recorded
LPSTR messageBuffer = nullptr;
size_t size = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_IN...