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What is the optimal length for user password salt? [closed]
Any salt at all will obviously help when salting and hashing a user's password. Are there any best practices for how long the salt should be? I'll be storing the salt in my user table, so I would like the best tradeoff between storage size and security. Is a random 10 character salt enough? Or ...
How to create border in UIButton?
...ive.org/web/20161221132308/http://www.apptite.be/tutorial_custom_uibuttons.php
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Generate random int value from 3 to 6
...details check this: https://www.techonthenet.com/sql_server/functions/rand.php
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ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”
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Check out this link :
http://edelstein.pebbles.cs.cmu.edu/jadeite/main.php?api=java6&state=class&package=java.math&class=MathContext
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Auto-indent in Notepad++
...ll end up un-indenting. An example is a multi-line array initialization in PHP using array( ... ), where () are non-folding.
– Dan Lugg
Mar 21 '13 at 12:23
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How do I check if a column is empty or null in MySQL?
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This will select all rows where some_col is NULL or '' (empty string)
SELECT * FROM table WHERE some_col IS NULL OR some_col = '';
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In Windows cmd, how do I prompt for user input and use the result in another command?
...o accept user input and then use the results of that input as part of the call to additional commands.
12 Answers
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What is Java EE? [duplicate]
I realize that literally it translates to Java Enterprise Edition. But what I'm asking is what does this really mean? When a company requires Java EE experience, what are they really asking for? Experience with EJBs? Experience with Java web apps?
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How to call shell commands from Ruby
How do I call shell commands from inside of a Ruby program? How do I then get output from these commands back into Ruby?
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'0000-00-00 00:00:00' can not be represented as java.sql.Timestamp error
...er languages.
So, if I "just change the database", thousands of lines of PHP code will break.
Java programmers need to accept the MySQL zero-date and they need to put a zero date back into the database, when other languages rely on this "feature".
A programmer connecting to MySQL needs to handle...