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MySQL - why not index every field?
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@OMG but not RAM as Brian points out. it is never a good idea to store more than you need to. data/index caching in RAM, backup media (versions that will fit per tape etc) are all effected by useless indexes
– RichardTheKiwi
Mar 27 '11 at 0:17...
How do I check if an object has a specific property in JavaScript?
... you want to reinvent the wheel, checking out existing wheels is not a bad idea.
– AturSams
Apr 25 '17 at 11:53
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Fundamental difference between Hashing and Encryption algorithms
...it's actually significantly cheaper to brute-force the hash if you have an idea of the size of the input (for smaller inputs) than it is to even try to decode the hash.
Encryption Functions
They provide a 1:1 mapping between an arbitrary length input and output. And they are always reversible. ...
What's Up with Logging in Java? [closed]
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As far as I can tell the idea behind commons logging is that it should be used in libraries. This way the library can always use the same logging framework (via commons logging) that the hosting application uses.
– Joachim Sauer...
Move an array element from one array position to another
...plit in the community over whether or not prototype modification is a good idea. Normally, iteration problems are the least concern, though.
– Reid
Mar 19 '13 at 3:24
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What are '$$' used for in PL/pgSQL
...N true;
END
' LANGUAGE plpgsql STRICT IMMUTABLE;
This isn't such a good idea. Use dollar-quoting instead, more specifically also put a token between the $$ to make it unique - you might want to use $-quotes inside the function body, too. I do that a lot, actually.
CREATE OR REPLACE FUNCTION chec...
How to avoid “too many parameters” problem in API design?
...equiring this level of parameters. The DDD book by Evans may give you some ideas on how to think about this (though your system sounds like it's potentially a far from relevant place to the application of such patters) - (and it's just a great book either way).
– Ruben Bartelin...
Why is $$ returning the same id as the parent process?
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Ok I honestly have no idea what that means, but echo $BASHPID works in bash 4 and 5 (but not version 3.2.57 on MacOS)
– Alexander Mills
May 31 '19 at 20:56
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Fixing slow initial load for IIS
... site and every time my site came up blazingly fast. This gives me a good idea that most likely the slowness I was experiencing was because of ASP.NET MVC startup times.
Get LinqPad and you can run the following script -- just change the URL to your own and let it run and you can test this easily....
Launching Google Maps Directions via an intent on Android
... the user doesn't have the maps app installed then it's going to be a good idea to catch the ActivityNotFoundException, then we can start the activity again without the maps app restriction, we can be pretty sure that we will never get to the Toast at the end since an internet browser is a valid app...