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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...
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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...
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Why are primes important in cryptography?

...ch qbit can have 3 values, thus the new technology is base 3 not base 2. a 64 qbits CPU would have 3^64 combinations in a word. Don't know how it impacts performance. – juanmf Jun 27 '17 at 5:07 ...
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How many GCC optimization levels are there?

... 100 gives: COLLECT_GCC_OPTIONS='-O100' '-v' '-mtune=generic' '-march=x86-64' /usr/local/libexec/gcc/x86_64-unknown-linux-gnu/5.1.0/cc1 [[noise]] hello_world.c -O100 -o /tmp/ccetECB5. so -O was forwarded to both cc1 and collect2. O in common.opt common.opt is a GCC specific CLI option description ...
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Groovy / grails how to determine a data type?

... (2.3.7), we can also write someObject.class – loloof64 Nov 7 '14 at 9:58 5 @LaurentBERNABE that ...
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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 ...
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Pandas - Get first row value of a given column

...ime 1.2 C 12.0 D 25.0 E 12.0 Name: 0, dtype: float64 To select the ith value in the Btime column you could use: In [30]: df_test['Btime'].iloc[0] Out[30]: 1.2 There is a difference between df_test['Btime'].iloc[0] (recommended) and df_test.iloc[0]['Btime']: DataFrame...
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What is a “web service” in plain English?

... answered Oct 22 '08 at 15:02 64BitBob64BitBob 2,97711 gold badge1515 silver badges2323 bronze badges ...
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ERROR 2006 (HY000): MySQL server has gone away

... max_allowed_packet=64M Adding this line into my.cnf file solves my problem. This is useful when the columns have large values, which cause the issues, you can find the explanation here. On Windows this file is located at: "C:\ProgramData...
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Safest way to convert float to integer in python?

...n the operating system and underlying hardware. See en.wikipedia.org/wiki/64-bit_computing#64-bit_data_models. If you are programming with the C-API, python 3 you have to be very careful in what the definition of long and size_t is on your platform. docs.python.org/3/c-api/long.html ...