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What is the optimal length for user password salt? [closed]
...our password remains a secret, whereas with a 3-bit salt, your password is now known to the whole world (and they can use it to login to your other accounts since many people often reuse passwords). I find it amusing that 5 folks here had actually upvoted your comment due to the word "entropy" in it...
When is a Java method name too long? [closed]
...o much in a method class if we need such a long name, however I wanted to know what do you guys think about it.
21 Answers
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SQL Server Linked Server Example Query
....<table>
For example:
DatabaseServer1.db1.dbo.table1
Update: I know this is an old question and the answer I have is correct; however, I think any one else stumbling upon this should know a few things.
Namely, when querying against a linked server in a join situation the ENTIRE table fro...
How to hide reference counts in VS2013?
...references' indicators, that would reduce unnecessary repetition. Anybody know if that is possible?
– GONeale
Oct 28 '13 at 0:51
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How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
...re performing a bitwise logical operation on an integer (which, for all I know, may be stored as two's complement or something like that...)
Two's complement explains how to represent a number in binary. I think I was right.
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How to get distinct values for non-key column fields in Laravel?
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Well, I have this issue where, if you now want to check if an item exists by using the in_array() function, it never works. To fix it, I tried ->lists() instead (Version 5.2). So, $users = User::select('name')->groupBy('name')->lists('name'); worked fine...
IPC performance: Named Pipe vs Socket
...urely trying to optimize something that isn't yet problematic. Unless you know sockets are going to be a bottleneck, I'd just use them.
A lot of people who swear by named pipes find a little savings (depending on how well everything else is written), but end up with code that spends more time block...
Binding multiple events to a listener (without JQuery)?
...ng the same listener for multiple events on the one element is more common now to cover the various interface types in use, and Isaac's answer offers a good use of built–in methods to reduce the code (though less code is, of itself, not necessarily a bonus). Extended with ECMAScript 2015 arrow fun...
How do I find the stack trace in Visual Studio?
...shortcut (while debugging and stopped at a breakpoint) is:
Ctrl+Alt+C and now you can also use Ctrl+L
The screenshot is pretty old.
Here is one for Visual Studio 2019 (under the debug menu):
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How to properly create composite primary keys - MYSQL
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Suppose you have already created a table now you can use this query to make composite primary key
alter table employee add primary key(emp_id,emp_name);
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