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Why does typeof NaN return 'number'?
...ating division as repeated subtraction, it makes no difference whether you start at two or one, it's the same number of steps required to reach (or, more accurately, not reach) zero. I understand math gurus do have different classes of infinity but (1) I suspect 1/0 and 2/0 lay in the same class and...
html5 - canvas element - Multiple layers
... using html elements. Mind you we did have couple of issues with rotation (starting points were a bit awkward and unpredictable) and applying images to it using specific
Django import error - no module named django.conf.urls.defaults
...ype/content_type\=content_type/g' {} \;
..later on as after I managed to start Graphite some of its features didn't work. Now they work for me but YMMV.)
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Collect successive pairs from a stream
...nk you! The more I study this library, the more I love it. I might finally start using streams. (StreamEx implements Iterable! Hurrah!)
– Aleksandr Dubinsky
May 30 '15 at 15:10
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Foreign key from one app into another in Django
...h many foreign keys across many apps within a project. fyi, i have already started the question but waiting for answers. stackoverflow.com/questions/55213918/…
– Tian Loon
Mar 18 '19 at 7:52
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What is the purpose of the vshost.exe file?
...rocess for debugging (to decrease load times?). I discovered that when you start your application twice from the debugger often the same vshost.exe process will be used. It just unloads all user-loaded DLLs first. This does odd things if you are fooling around with API hooks from managed processes.
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In Clojure, when should I use a vector over a list, and the other way around?
...ort seq without having to allocate new objects)
Prepending - adding to the start of a list with cons or preferably conj is O(1)
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NGINX to reverse proxy websockets AND enable SSL (wss://)?
...re modification to detect the incoming protocol. Since websockets actually start as an HTTP handshake (a higher software level than TCP) you have to tweak your app to handle both TCP and HTTP traffic. I can't recommend a way to do this just yet.
– crockpotveggies
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sqlalchemy IS NOT NULL select
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Starting in version 0.7.9 you can use the filter operator .isnot instead of comparing constraints, like this:
query.filter(User.name.isnot(None))
This method is only necessary if pep8 is a concern.
source: sqlalchemy docum...
How do I determine whether an array contains a particular value in Java?
... concise. Beautiful.*
Original answer details
Just to clear the code up to start with. We have (corrected):
public static final String[] VALUES = new String[] {"AB","BC","CD","AE"};
This is a mutable static which FindBugs will tell you is very naughty. Do not modify statics and do not allow other c...