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What is the optimal length for user password salt? [closed]
...nly need to be long enough so that each user's salt will be unique. Random 64-bit salts are very unlikely to ever repeat even with a billion registered users, so this should be fine. A singly repeated salt is a relatively minor security concern, it allows an attacker to search two accounts at once b...
Map a network drive to be used by a service
...
Use this at your own risk. (I have tested it on XP and Server 2008 x64 R2)
For this hack you will need SysinternalsSuite by Mark Russinovich:
Step one:
Open an elevated cmd.exe prompt (Run as administrator)
Step two:
Elevate again to root using PSExec.exe:
Navigate to the folder containing...
Split comma-separated strings in a column into separate rows
... is the fastest1.
The benchmarked solutions include
Matthew Lundberg's base R approach but modified according to Rich Scriven's comment,
Jaap's two data.table methods and two dplyr / tidyr approaches,
Ananda's splitstackshapesolution,
and two additional variants of Jaap's data.table methods.
...
How to retrieve an element from a set without removing it?
...lutions suggested above – including:
list(s)[0], John's novel sequence-based solution.
random.sample(s, 1), dF.'s eclectic RNG-based solution.
Code Snippets for Great Joy
Turn on, tune in, time it:
from timeit import Timer
stats = [
"for i in range(1000): \n\tfor x in s: \n\t\tbreak",
...
Twitter API returns error 215, Bad Authentication Data
...= "https://$host$path";
// mash everything together for the text to hash
$base_string = $method."&".rawurlencode($url)."&".rawurlencode($querystring);
// same with the key
$key = rawurlencode($consumer_secret)."&".rawurlencode($token_secret);
// generate the hash
$signature = rawurlen...
Why use AJAX when WebSockets is available?
... existing ecosystem of tools, technologies, security mechanisms, knowledge bases (i.e. far more people on stackoverflow know HTTP/Ajax/Comet than WebSockets), etc.
On the other hand, if you are creating a new application that just doesn't work well within the latency and connection constraints of H...
How do I plot in real-time in a while loop using matplotlib?
...lped me to build up some simple UI by modifying and adding features around based on your code. It saved my time = ]
– Isaac Sim
Dec 18 '18 at 0:30
...
Ansible: Set variable to file content
...suggesting it)
vars:
amazon_linux_ami: "ami-fb8e9292"
user_data_file: "base-ami-userdata.sh"
tasks:
- name: Load data
slurp:
src: "{{ user_data_file }}"
register: slurped_user_data
- name: Decode data and store as fact # You can skip this if you want to use the right hand side directly.....
Compiling a java program into an executable [duplicate]
...tall/uninstall itself, and support service pause/continue.
New release of x64 version, can create 64 bits executives. (May 18, 2008)
Both wizard mode and command line mode supported. (May 18, 2008)
Download: http://www.brothersoft.com/jartoexe-75019.html
3- Executor
Package your Java application ...
How are people managing authentication in Go? [closed]
...
There should be no "PasswordSalt" field in your database, because you should use bcrypt as your hashing algorithm, which automatically creates a salt and includes it in the returned hash. Also use a constant time comparison function.
– 0xdabbad00
...