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Should I hash the password before sending it to the server side?
...eliable way to generate (and reliably re-generate) an authentication "key" based on the original text chosen by the user. In an ideal world this text should immediately generate a "key" by hashing it using irreversible salt. This salt should be unique to the user credential being generated. This ...
How do you debug a regex? [closed]
...essions in Python. Since Python's implementation of regular expressions is based on the PCRE standard, Kodos should benefit developers in other programming languages that also adhere to the PCRE standard (Perl, PHP, etc...).
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Runs on Linux, Unix, Windows, Mac.
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.Net picking wrong referenced assembly version
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for clean old nuget version, in windows based computer, ckuck Start and search for "run" > copy& paste "%userprofile%\.nuget\packages" - this will open nuget versions folder
– E.Meir
Apr 10 '18 at 11:17
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Which is more efficient: Multiple MySQL tables or one large table?
I store various user details in my MySQL database. Originally it was set up in various tables meaning data is linked with UserIds and outputting via sometimes complicated calls to display and manipulate the data as required. Setting up a new system, it almost makes sense to combine all of these tabl...
Is it safe to delete a NULL pointer?
...n ownership rules, lock free structures are provably more robust than lock based ones. And yes, my co-workers do indeed love me for the enhanced execution profile these structures provide and the rigorous thread safety they maintain, which allow easier to reason about code (great for maintenance). H...
Oracle Differences between NVL and Coalesce
...LL values (one explicitly set and the other taken from a column in the database, of type NUMBER), that just disappear by changing the function to NVL.
– DanielM
Mar 3 '15 at 9:20
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Print all but the first three columns
...S"]+){3}","")}1'
4 5 6
Then you have the same issue as with all the loop-based solutions that reassign the fields - the FSs are converted to OFSs. If that's an issue, you need to look into GNU awks' patsplit() function.
sh...
Are table names in MySQL case sensitive?
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In general:
Database and table names are not case sensitive in Windows, and case sensitive in most varieties of Unix.
In MySQL, databases correspond to directories within the data
directory. Each table within a database corresponds to ...
Set NOW() as Default Value for datetime datatype?
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Based on the answers provided, sounds like if you will not sacrifice DATETIME to be TIMESTAMP, then you must use triggers.
– Chris
Nov 30 '13 at 17:47
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Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
...nswer there works here too.
Assuming that the "bag" is represented by a 1-based array A[] of size N - k, we can solve Qk in O(N) time and O(k) additional space.
First, we extend our array A[] by k elements, so that it is now of size N. This is the O(k) additional space. We then run the following...