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Difference between Hashing a Password and Encrypting it
...parate salt. The point of a salt is if both UserA and UserB uses password "1234" if you find out UserA's password you can't tell UserB used the same password because they had different salts. It is not security critical that a salts is kept secret, most implementations just concatenate the salt on t...
Git On Custom SSH Port
...so on, the config file looks like
Host mydomain.com
User git
Port 12345
If you are running linux, take care the config file must have strict permission: read/write for the user, and not accessible by others
2 what about the ssh url way?
It's cool, the only thing we should know is that t...
Can someone give an example of cosine similarity, in a very simple, graphical way?
... edited Oct 31 '13 at 4:51
user1234
12844 bronze badges
answered Dec 26 '12 at 9:54
userPSuserPS
...
Rollback a Git merge
...
How to avoid Mainline was specified but commit 1234xyz is not a merge error.
– Achal
Jan 17 at 11:46
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show 2 mo...
Golang: How to pad a number with zeros when printing?
...htPad2Len(s string, padStr string, overallLen int)
See play.golang.org:
1234567890
leftPad(str, "*", 3) ***1234567890
leftPad2Len(str, "*-", 13) -*-1234567890
leftPad2Len(str, "*-", 14) *-*-1234567890
leftPad2Len(str, "*", 14) ****1234567890
leftPad2Len(str, "*-x", 14) x*-x1234567890
leftPa...
How to use QueryPerformanceCounter?
...
TIMER_START
Sleep(1000);
TIMER_STOP
}
{
TIMER_START
Sleep(1234);
TIMER_STOP
}
Output from usage example:
1.00003 sec
1.23407 sec
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...
how does multiplication differ for NumPy Matrix vs Array classes?
...P.linalg.inv(m) computes the inverse of an array
– db1234
Jan 19 '15 at 16:27
An important point to note here is * is ...
printf() formatting for hex
...ht want/need to use %#010X. If, like me, you like your hex presented as 0x1234CDEF, then you have to use 0x%08X to achieve the desired result. You could use %#.8X and that should also insert the leading zeroes.
Try variations on the following code:
#include <stdio.h>
int main(void)
{
...
How to create a new database using SQLAlchemy?
...gging.DEBUG)
engine = create_engine('mssql+pyodbc://myUser:mypwd@localhost:1234/MY_DATABASE?driver=SQL+Server+Native+Client+11.0?trusted_connection=yes', isolation_level = "AUTOCOMMIT")
try:
engine.execute('CREATE DATABASE ' + a_database_name)
except Exception as db_exc:
logging.exception(...
DynamoDB vs MongoDB NoSQL [closed]
...puts this in the same collection {"phone": "813-555-3333", "location": [28.1234,-83.2342]}. With mongo we can search any of these dynamic and unknown fields at any time, with Dynamo, you could do this but would have to make a index every time a new field was added that you wanted searchable. So if y...