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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards, don’t be, apologizes accepted.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Cheers,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Ivan.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> Tony Rogvall [mailto:tony@rogvall.se] <br><b>Sent:</b> Wednesday, August 26, 2015 3:00 AM<br><b>To:</b> Ivan Carmenates Garcia<br><b>Cc:</b> erlang-questions@erlang.org<br><b>Subject:</b> Re: [erlang-questions] I need some advices for a framework I'm doing<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am terribly sorry. I thought it was a joke.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I am utterly ashamed.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Sincerely <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>/Tony<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>On 25 aug 2015, at 23:06, Ivan Carmenates Garcia <<a href="mailto:co7eb@frcuba.co.cu">co7eb@frcuba.co.cu</a>> wrote:<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Yes usually happens when people try to build nice things and other people not.<o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p></div><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><div><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>From:</span></b><span class=apple-converted-space><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Tony Rogvall [<a href="mailto:tony@rogvall.se"><span style='color:purple'>mailto:tony@rogvall.se</span></a>]<span class=apple-converted-space> </span><br><b>Sent:</b><span class=apple-converted-space> </span>Tuesday, August 25, 2015 3:23 PM<br><b>To:</b><span class=apple-converted-space> </span>Ivan Carmenates Garcia<br><b>Cc:</b><span class=apple-converted-space> </span>Loïc Hoguin; <<a href="mailto:erlang-questions@erlang.org"><span style='color:purple'>erlang-questions@erlang.org</span></a>><br><b>Subject:</b><span class=apple-converted-space> </span>Re: [erlang-questions] I need some advices for a framework I'm doing</span><o:p></o:p></p></div></div></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><div><p class=MsoNormal>Ha ha ha<o:p></o:p></p></div></div><div><div><p class=MsoNormal>This is funny, please stop!<o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><p class=MsoNormal>"typed while hacking!"<o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><br>On 25 aug 2015, at 17:58, Ivan Carmenates Garcia <<a href="mailto:co7eb@frcuba.co.cu"><span style='color:purple'>co7eb@frcuba.co.cu</span></a>> wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>Hi,<span class=apple-converted-space> </span></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>Well the good news here is that I am making it together with a system a am also doing so, it any problems present I will notice they quickly and at the same time</span><span class=apple-converted-space> </span><span style='font-family:"Calibri","sans-serif"'>I will get feedbacks.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>Regards documentation, that one of the thing a love more, so it will be plenty of it, with a lot of examples and explanations. Currently the code doc for any function and even examples of how to use them.</span><span class=apple-converted-space> </span><span style='font-family:"Calibri","sans-serif"'>i.e.</span><span class=apple-converted-space> </span><span style='font-family:"Calibri","sans-serif"'>this is a nice doc for one of the functions:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% -------------------------------------------------------------------</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% @doc</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% Makes a query to a database using a 'DBSession'.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% Returns a 'ResultData':</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% - 'ResultData' depends of 'result_format' Option.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% - 'result_format' could be one of 'raw', 'proplist', 'map'.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% - 'proplist' and 'map' result formats have the same</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% 'ResultData' struct:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% {ok, Data} when using 'select'.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% {ok, Count} when using 'update', 'insert', 'delete'.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% {ok, Count, Data} when using 'update', 'insert' with returning.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% The only differences are:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% 0 results:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% 'map' -> no_data,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% 'proplist' -> [],</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% 1 result:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% 'map' -> a single map #{...},</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% 'proplist' -> a list of proplist [[...]], (template</span><span class=apple-converted-space> </span><span style='font-family:Consolas'>compatible)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% N results:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% 'map' -> a list of maps [#{...}, ...],</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% 'proplist' -> a list of proplists [[...], ...],</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% 'raw' by the other hand is 'Backend' dependent.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% Example:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% {ok, #{id := Id}} = database_manager:query(DBSession,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% Query, Params, [{result_format, map}]).</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% NOTE: 'map' is the default result format for 'query/3' function.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% NOTE: All result format has its pros and cons, 'raw' is the fastest</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% but uncomfortable to deal with, 'map' is the slowest but very</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% easy to deal with. So this is the performance order from</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% fastest to slowest 'raw' > 'proplist' > 'map'.'proplist' can</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% be used to return directly to a template.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% @end</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>%% -------------------------------------------------------------------</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>-spec query(DBSession, Query, Params, Options) -></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'> ResultData | {error, Reason} when</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'> DBSession :: db_session(),</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'> Query :: string() | bitstring(),</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'> Params :: [] | [any(), ...],</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'> Options :: proplists:proplist(),</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'> ResultData :: any(),</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'> Reason :: term().</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'>query({Backend, Connection}, Query, Params, Options) -></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'> %% executes query/4 in the current 'Backend'.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Consolas'> Backend:query(Connection, Query, Params, Options).</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>Anyone have more</span><span class=apple-converted-space> </span><span style='font-family:"Calibri","sans-serif"'>suggestions I could use?, thanks in advantage.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>Regards,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>Ivan.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>-----Original Message-----<br>From: Loïc Hoguin [<a href="mailto:essen@ninenines.eu"><span style='color:purple'>mailto:essen@ninenines.eu</span></a>]<br>Sent: Monday, August 24, 2015 5:45 PM<br>To: Ivan Carmenates Garcia;<span class=apple-converted-space> </span><a href="mailto:erlang-questions@erlang.org"><span style='color:purple'>erlang-questions@erlang.org</span></a><br>Subject: Re: [erlang-questions] I need some advices for a framework I'm doing</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>On 08/24/2015 10:20 PM, Ivan Carmenates Garcia wrote:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>> Hi everyone, I am making a little framework for cowboy, but in general<span class=apple-converted-space> </span></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>> what I need is some advices regards final looking, i.e.:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>OK I am a bit lost on everything you explained so allow me to give some generic advice:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>* Make it work</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>* Start making apps with it</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>* Notice everything inefficient in how you now write apps</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>* Update your framework</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>* Repeat</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>Practice makes perfect. Add a little of looking at how everyone else does things in the mix to get ideas; sometimes you will notice something is bad in your framework but have no idea how to make it better, that's why you need to look elsewhere. Sometimes the idea might come from a completely unrelated source.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>A few more things:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>* Keep it simple and explicit</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>* Focus on the use cases that benefit the majority of users</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>* Choose good, short names</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>* Write a user guide when things stabilize</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>On the last point, you want the guide separate from code entirely because this forces you to think about how you really use it rather than just documenting functions or modules one after another. Think of it like writing a book, except the only role of this book is to explain to others *what* they can do with your framework and *why* they will do things that way.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>Once you get there, you should have a pretty good product, and you'll most likely have gotten a ton of users along the way.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>Cheers,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>--</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>Loïc Hoguin</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a href="http://ninenines.eu/"><span style='font-family:"Calibri","sans-serif";color:purple'>http://ninenines.eu</span></a><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>Author of The Erlanger Playbook,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Calibri","sans-serif"'>A book about software development using Erlang</span><o:p></o:p></p></div></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal>_______________________________________________<br>erlang-questions mailing list<br><a href="mailto:erlang-questions@erlang.org"><span style='color:purple'>erlang-questions@erlang.org</span></a><br><a href="http://erlang.org/mailman/listinfo/erlang-questions"><span style='color:purple'>http://erlang.org/mailman/listinfo/erlang-questions</span></a><o:p></o:p></p></div></div></blockquote></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>