Canina‭

The purpose of a cryptographic salt is to make the same input (password) hash to different values in different instances, yet retain the hash function's deterministic properties. Salting accomplish...

posted 4y ago by Canina‭  ·  edited 4y ago by Canina‭

While [the Apple "goto fail bug"] is pretty interesting, it's anecdotal evidence. I understand that it's still possible to produce bugs like this. One could also reasonably argue that it could ha...

posted 4y ago by Canina‭  ·  edited 4y ago by Canina‭

As with every other security-related question, the first step toward answering this is that you'll need to answer for yourself: what are you trying to protect against? Security isn't a binary quant...

posted 4y ago by Canina‭  ·  edited 4y ago by Canina‭

The traditional approach is to create either a single dotfile, or a single dot-directory, directly under the user's home directory, named for your application. Thus ~/.thromblemeisteradmin (which c...

posted 2y ago by Canina‭  ·  edited 2y ago by Canina‭

You can, in a sense, do I believe even better than using Stack Overflow's hosted, proprietary service. You can run your very own instance of the Codidact software (that is, QPixel) locally, on a s...

posted 3y ago by Canina‭

Any time an SQL SELECT query does not have any explicit ORDER BY clause, I personally find it useful to mentally read it as saying "I don't care about ordering of the output of this query". If you...

posted 4y ago by Canina‭  ·  edited 3y ago by Canina‭

I am working on a website which unfortunately uses a mix of linked and inline CSS and Javascript (and, even more unfortunately, I can't do a lot about the use of inline CSS and Javascript), and am ...

1 answer  ·  posted 3y ago by Canina‭  ·  last activity 3y ago by Moshi‭

Your grep invocation will first search for files which contain foo and print a list of the lines from each which contain the word foo; the second grep invocation will take this list and filter it d...

posted 1y ago by Canina‭

The awk gsub function takes as its first argument a regular expression indicating the substring to be replaced, and replaces a matching substring with the value of the second argument, which is the...

posted 2y ago by Canina‭

I doubt that there is an actual standard HTTP response code to indicate exactly what you're looking for. 202 (Accepted) is close, but doesn't really seem to me to be about a situation where the cli...

posted 3y ago by Canina‭

My initial approach would be to increase n by 1 (thus shifting the original range from -1..+1 to 0..+2), turn that range into 0..+1, and then simply map from that to your 0..+319 output range. flo...

posted 2y ago by Canina‭  ·  edited 2y ago by Canina‭

This is pretty much exactly what formail is good at. Specifically useful for this case, formail lets you extract headers, given an email message on RFC 822-esque format. In bash, if you have the ...

posted 1y ago by Canina‭

"Hash Sum mismatch" printed by apt-get on Debian and derivatives means that the file as downloaded had a different cryptographic checksum (hash) than what's listed in the packages list. In this ca...

posted 3y ago by Canina‭

Nothing. Or anything. Or whatever you want it to mean. As a general rule of thumb: If you explicitly exit from a program with a specific exit status, then you know the meaning, or set of mean...

posted 2y ago by Canina‭

Misconception This isn't so much an issue of left/right alignment, as the browser beginning the rendering of each consecutive block wherever the content of the preceding block ends, instead of pas...

posted 3y ago by Canina‭  ·  edited 1y ago by meta user‭