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Best way to store password in database [closed]
...ng the representation of a password in the database is the proper thing to do. By representation I mean that you want to hash the password using a salt (which should be different for every user) and a secure 1-way algorithm and store that, throwing away the original password. Then, when you want to ...
What do two question marks together mean in C#?
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@Gusdor ?? is left associative, so a ?? b ?? c ?? d is equivalent to ((a ?? b) ?? c ) ?? d. "The assignment operators and the ternary operator (?:) are right associative. All other binary operators are left associative." Source: ...
When is CRC more appropriate to use than MD5/SHA1?
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CRC works fine for detecting random errors in data that might occur, for example, from network interference, line noise, distortion, etc.
CRC is computationally much less complex than MD5 or SHA1. Using a hash function like MD5 is probably overkill for ran...
Installing multiple instances of the same windows service on a server
So we've produced a windows service to feed data to our client application and everything is going great. The client has come up with a fun configuration request that requires two instances of this service running on the same server and configured to point at separate databases.
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Allow user to select camera or gallery for image
What I'm trying to do seems very simple, but after a few days of searching I can't quite figure it out.
17 Answers
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Is there a reason that we cannot iterate on “reverse Range” in ruby?
...efined by its start and end, not by its contents. "Iterating" over a range doesn't really make sense in a general case. Consider, for example, how you would "iterate" over the range produced by two dates. Would you iterate by day? by month? by year? by week? It's not well-defined. IMO, the fact that...
How to get last N records with activerecord?
..., so you could let ruby sort it at at that time. (ie. records.reverse.each do ..)
– Dan McNevin
Jan 7 '09 at 14:25
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Eloquent Collection: Counting and Detect Empty
...ch will always return true.
To determine if there are any results you can do any of the following:
if ($result->first()) { }
if (!$result->isEmpty()) { }
if ($result->count()) { }
if (count($result)) { }
You could also use ->first() instead of ->get() on the query builder which w...
Xcode 5: Code signing entitlement errors
...de signing identity at the top level row of each, using the Combined view. Doing so still snapped it back to <Multiple values>. When I expanded both rows, however, I saw the "Any iOS SDK" subrows for each configuration all set to None, although the Debug/Release rows did list the proper profil...
Publish to S3 using Git?
Does anyone know how to do this? So far I haven't been able to find anything useful via Google.
8 Answers
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