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What is the optimal length for user password salt? [closed]
...ly 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 bu...
How to get ID of the last updated row in MySQL?
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240
I've found an answer to this problem :)
SET @update_id := 0;
UPDATE some_table SET column_name...
Working copy XXX locked and cleanup failed in SVN
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46 Answers
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Identifying the dependency relationship for python packages installed with pip
...ask [installed: 0.10.1]
- Werkzeug [required: >=0.7, installed: 0.9.4]
- Jinja2 [required: >=2.4, installed: 2.7.2]
- MarkupSafe [installed: 0.18]
- itsdangerous [required: >=0.21, installed: 0.23]
alembic==0.6.2
- SQLAlchemy [required: >=0.7.3, installed: 0.9.1]
- ...
Tricks to manage the available memory in an R session
... [based on postings by Petr Pikal and David Hinds to the r-help list in 2004] to list (and/or sort) the largest objects and to occassionally rm() some of them. But by far the most effective solution was ... to run under 64-bit Linux with ample memory.
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'pip' is not recognized as an internal or external command
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541
You need to add the path of your pip installation to your PATH system variable. By default, pip...
Bootstrap Datepicker - Months and Years Only
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answered Feb 20 '13 at 7:40
Iswanto SanIswanto San
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When to use lambda, when to use Proc.new?
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How do I log errors and warnings into a file?
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Dave Jarvis
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answered Aug 20 '10 at 14:32
AmanAman
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UITableView Cell selected Color?
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edited Apr 25 '13 at 13:49
jszumski
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answered...