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How to display unique records from a has_many through relationship?
...ugh => :orders, :select => "DISTINCT products.*). In the first case, ALL records are fetched and rails removes the duplicates for you. In the later case, only non-duplicate records are fetched from the db so it might offer better performance if you have a large result set.
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What's the “big idea” behind compojure routes?
...ave been using Compojure to write a basic web application. I'm hitting a wall with Compojure's defroutes syntax, though, and I think I need to understand both the "how" and the "why" behind it all.
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Node.js: printing to console without a trailing newline?
...ered May 27 '11 at 20:51
onteria_onteria_
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HTTP test server accepting GET/POST requests
... @user3280180 $ pip install httpbin gunicorn && gunicorn httpbin:app as mentioned is httpbin.org
– HVNSweeting
May 4 '15 at 4:37
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reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
In my multithreaded asmx web service I had a class field _allData of my own type SystemData which consists of few List<T> and Dictionary<T> marked as volatile . The system data ( _allData ) is refreshed once in a while and I do it by creating another object called newData and fill...
Mutex example / tutorial? [closed]
... The first person to catch the door-handle of the booth, is the one who is allowed to use the phone. He has to keep holding on to the handle of the door as long as he uses the phone, otherwise someone else will catch hold of the handle, throw him out and talk to his wife :) There's no queue system a...
Undo working copy modifications of one file in Git?
...disambiguate branch names from filenames. if you say git checkout x and x happens to be a branch name as well as a file name, I'm not sure what the default behavior is but I think git will assume you want to switch to branch x. When you use -- you're saying that what follows is file name(s).
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What is the difference between i++ and ++i?
... Neither statement is correct. Consider your first statement. i++ actually means "save the value, increment it, store it in i, then tell me the original saved value". That is, the telling happens after the incrementing, not before as you have stated it. Consider the second statement. i++ actual...
How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?
...cessary instead of DateTime. So use Time.strptime("1318996912345",'%Q').to_f and you will see the milliseconds preserved, while DateTime.strptime("1318996912345",'%Q').to_f does not preserve it.
– skensell
Feb 22 '17 at 15:20
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Error: “dictionary update sequence element #0 has length 1; 2 is required” on Django 1.4
...r the answer next time I will copy the traceback, but it's weird, when it happened with the template tag, just after uwsgi restart, the result displayed properly, so there was result
– user2575627
Jul 12 '13 at 9:12
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