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Creating functions in a loop
...cifically looking for early binding.
If you're worried about f getting an extra argument (and thus potentially being called erroneously), there's a more sophisticated way which involved using a closure as a "function factory":
def make_f(i):
def f():
return i
return f
and in your...
Differences between Emacs and Vim
...ared to using a GUI editor/IDE and using something like python/awk/etc for extra tasks is up to you.
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Django: Why do some model fields clash with each other?
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Sometimes you have to use extra formatting in related_name
- actually, any time when inheritance is used.
class Value(models.Model):
value = models.DecimalField(decimal_places=2, max_digits=5)
animal = models.ForeignKey(
Animal, relat...
Postgres: “ERROR: cached plan must not change result type”
...RDS Postgres 10 instance, enabling the conservative setting does result in extra CPU usage on the database server. It wasn't much though, I could only even see the autosave functionality show up as using a measurable amount of CPU after I'd tuned every single query my load test was using and starte...
What are some better ways to avoid the do-while(0); hack in C++?
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Try to extract the code into a separate function (or perhaps more than one). Then return from the function if the check fails.
If it's too tightly coupled with the surrounding code to do that, and you can't find a way to reduce the ...
What is the exact problem with multiple inheritance?
...unction, object members, class members, globals, etc.), I don't see how an extra scope would make a difference.
– marcus
Nov 29 '11 at 19:15
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Why are my basic Heroku apps taking two seconds to load?
... your app has been idling for a long time, it takes time to reload.
Add 1 extra dyno to keep your app from falling asleep, if that reload time is important.
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Exit a Script On Error
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@mouviciel, @Gilles: Thanks for the extra info. It's been a while since I dealt with bash.
– DGH
Dec 8 '10 at 1:37
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Differences and relationship between glActiveTexture and glBindTexture
... defined like this:
struct Object
{
int count;
float opacity;
char *name;
};
The object has certain values stored in it and it has state. OpenGL objects have state too.
Changing State
In C/C++, if you have an instance of type Object, you would change its state as follows: obj.count ...
Does “display:none” prevent an image from loading?
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an empty image src is dangerous. It sends an extra request to the server. a good read on this topic nczonline.net/blog/2009/11/30/…
– Srinivas
Jul 9 '13 at 16:27
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