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Secure hash and salt for PHP passwords
...d to your user except when they have lost theirs, and you sent a temporary one.
Never, ever log passwords in any manner.
Never hash passwords with SHA1 or MD5 or even SHA256! Modern crackers can exceed 60 and 180 billion hashes/second (respectively).
Don't mix bcrypt and with the raw output of hash(...
How to use pip with Python 3.x alongside Python 2.x
...hings for Python 2-7 with pip-2.7. The pip command will end up pointing to one of these, but I'm not sure which, so you will have to check.
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Creating Threads in python
I have a script and I want one function to run at the same time as the other.
6 Answers
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How to run a shell script on a Unix console or Mac terminal?
...responsible for figuring out how to execte it. For non-binaries, this is done by looking at the first line of the file. It should contain a hashbang:
#! /usr/bin/env bash
The hashbang tells the kernel what program to run (in this case the command /usr/bin/env is ran with the argument bash). Th...
How can I change the thickness of my tag
...he thickness of my horizontal rule ( <hr> )in CSS. I know it can be done in HTML like so -
9 Answers
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How to split/partition a dataset into training and test datasets for, e.g., cross validation?
... many ways to repeatedly partition the same data set for cross validation. One strategy is to resample from the dataset, with repetition:
import numpy
# x is your dataset
x = numpy.random.rand(100, 5)
training_idx = numpy.random.randint(x.shape[0], size=80)
test_idx = numpy.random.randint(x.shape[0...
How to write to a file, using the logging Python module?
... question, feel free to look at the title of the question I asked. I have gone over the link you provided and it was helpful. I have copied the code you gave me and was I wrong to assume I would be able to use logger.info("message") and logger.warning("message") successfully? I was able to write to ...
What is the volatile keyword useful for?
...atile write, is by checking whether the seen value is the expected written one.
– Holger
Jul 5 '17 at 8:06
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With CSS, use “…” for overflowed block of multi-lines
...es. */
.pre-dots {
float: right;
height: 36px; /* 2x line height (one less than visible lines) */
}
.dots {
float: right; /* to make the text wrap around the dots */
clear: right; /* to push us below (not next to) .pre-dots */
}
/* hides the dots if the text has *exactly* 3 lines ...
How do I compile and run a program in Java on my Mac?
...orld.java
You just compiled your first Java application, albeit a simple one, on OSX. The process of compiling will produce a single file, called "HelloWorld.class". This file contains Java byte codes, which are the instructions that the Java Virtual Machine understands.
Running Your Program
To ...