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SHA512 vs. Blowfish and Bcrypt [closed]
...orking password.
Now consider bcrypt. It uses Blowfish to encrypt a magic string, using a key "derived" from the password. Later, when a user enters a password, the key is derived again, and if the ciphertext produced by encrypting with that key matches the stored ciphertext, the user is authentica...
How to modify a text file?
I'm using Python, and would like to insert a string into a text file without deleting or copying the file. How can I do that?
...
How to check whether a given string is valid JSON in Java
How do I validate a JSON string in Java? Or could I parse it using regular expressions?
19 Answers
...
What does asterisk * mean in Python? [duplicate]
...=%s" % (args,)
argdict = dict(a="testa", b="testb", c="testc", excessarg="string")
foo(**argdict)
Prints:
a=testa
b=testb
c=testc
args={'excessarg': 'string'}
And
def foo(a,b,c,*args):
print "a=%s" % (a,)
print "b=%s" % (b,)
print "c=%s" % (c,)
print "args=%s" % (args,)
argtu...
const char * const versus const char *?
...
The latter prevents you from modifying the_string inside print_string. It would actually be appropriate here, but perhaps the verbosity put off the developer.
char* the_string : I can change which char the_string points to, and I can modify the char to which it points...
How do I find out which computer is the domain controller in Windows programmatically?
...PrincipalContext context = new PrincipalContext(ContextType.Domain))
{
string controller = context.ConnectedServer;
Console.WriteLine( "Domain Controller:" + controller );
}
This will list all the users in the current domain:
using (PrincipalContext context = new PrincipalContext(Context...
Is it possible to break a long line to multiple lines in Python [duplicate]
...
This works because python automatically concatenates the strings inside the parenthesis, without the need of putting a + operator.
– blueFast
Oct 17 '17 at 14:30
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Rails: How can I set default values in ActiveRecord?
... Rails 3.2+ - for earlier, use self.attributes.has_key?, and you need to a string instead of a symbol.
– Cliff Darling
Oct 22 '12 at 15:54
...
How does this checkbox recaptcha work and how can I use it?
... verify the "g-recaptcha-response" control is filled in:
protected static string ReCaptcha_Key, ReCaptcha_Secret;
protected void btnSubmit_Click(object sender, EventArgs e)
{
if (!String.IsNullOrEmpty(Request.Form["g-recaptcha-response"]))
{
// other code
} else
{
lb...
Best way to store time (hh:mm) in a database
... line. ALWAYS consider all time zones.
C#
A DateTime renders nicely to a string in C#. The ToString(string Format) method is compact and easy to read.
E.g.
new TimeSpan(EventStart.Ticks - EventEnd.Ticks).ToString("h'h 'm'm 's's'")
SQL server
Also if you're reading your database seperate to y...