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SHA1 vs md5 vs SHA256: which to use for a PHP login?
I'm making a php login, and I'm trying to decide whether to use SHA1 or Md5, or SHA256 which I read about in another stackoverflow article. Are any of them more secure than others? For SHA1/256, do I still use a salt?
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Choose between ExecutorService's submit and ExecutorService's execute
How should I choose between ExecutorService's submit or execute , if the returned value is not my concern?
7 Answers
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Redis key naming conventions?
What are the normal naming convention for keys in redis? I've seen values separated by : but I'm not sure what the normal convention is, or why.
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Import module from subfolder
I want to import subfolders as modules. Therefore every subfolder contains a __init__.py . My folder structure is like this:
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Value of i for (i == -i && i != 0) to return true in Java
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The only int value for which it works is Integer.MIN_VALUE.
It's because integers are negated using the two's complement way.
Using
System.out.println(Integer.toBinaryString(Integer.MIN_VALUE));
you see that Integer.MIN_VALUE is
100000000...
Convert a python 'type' object to a string
... using new-style classes vs old-style (that is, inheritance from object). For a new-style class, type(someObject).__name__ returns the name, and for old-style classes it returns instance.
share
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Is Redis just a cache?
I have been reading some Redis docs and trying the tutorial at http://try.redis-db.com/ . So far, I can't see any difference between Redis and caching technologies like Velocity or the Enterprise Library Caching Framework
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What do we mean by Byte array? [closed]
...ay is an array of bytes (tautology FTW!).
You could use a byte array to store a collection of binary data, for example, the contents of a file. The downside to this is that the entire file contents must be loaded into memory.
For large amounts of binary data, it would be better to use a streaming ...
How do I execute a bash script in Terminal?
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If you already are in the /path/to directory, e.g. with the cd /path/to command, you can enter ./script to run your script.Don't forget, in this case the './' before 'script'
– FrViPofm
Dec 28 '19 at 10:59
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Tell Ruby Program to Wait some amount of time
How do you tell a Ruby program to wait an arbitrary amount of time before moving on to the next line of code?
6 Answers
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