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What is NODE_ENV and how to use it in Express?
...think for express projects, besides "production" and "development", you at least need another one "test" for running the automated tests. You might want to use a different DB for populated test data.
– dawnstar
May 2 '16 at 2:41
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Hand Coded GUI Versus Qt Designer GUI [closed]
... several aspects that are worth mentioning:
Working with Qt Designer, at least at that point, was not a realistic option: there were too many features that couldn't be done with Qt Designer;
Conventions and structure that had to be preserved prevented the use of Qt Designer;
Once you've started wi...
Fastest exit strategy for a Panic Button in Crisis/Abuse Websites? [closed]
...way (probably in a language they don't speak very well) is currently their least concern. And what do they do if in that very moment they are being educated someone comes in? While it certainly is a good idea in general for them to know e.g. ctrl-w, can you guarantee that they remember? A highly vis...
how to check the dtype of a column in python pandas
...p.int64)
>>> (dtype('O'), 'is_int64 = False')
And last but not least - this method cannot directly recognize Category dtype. As stated in docs:
Returning a single item from categorical data will also return the value, not a categorical of length “1”.
df['int'] = df['int'].asty...
Why is it a bad practice to return generated HTML instead of JSON? Or is it?
... don't really take into consideration the "performance" side of things, at least on the server :
On the server, generating a portion of HTML or some JSON won't probably make that much of a difference
About the size of the stuff that goes through the network : well, you probably don't use hundreds ...
django admin - add custom form fields that are not part of the model
... from the extra field, it did not show how to save it back to the model at least in Django 2.1.1
This takes the value from an unbound custom field, processes, and saves it into my real description field:
class WidgetForm(forms.ModelForm):
extra_field = forms.CharField(required=False)
def ...
Choosing Java vs Python on Google App Engine
... if well phrased (especially in a language-independent way).
Last but not least: remember that you can have different version of your app (using the same datastore) some of which are implemented with the Python runtime, some with the Java runtime, and you can access versions that differ from the "d...
When to use nested classes and classes nested in modules?
...rapping/outer "class" then i would make it a Class instead of a Module. At least this makes sense to me.
– FireDragon
Dec 27 '18 at 23:44
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Why do I need Transaction in Hibernate for read-only operations?
...affirmation that read only transactions have great performance benefit. At least, it doesn't seem to be the case in the context of hibernate.
– nimai
May 15 at 21:40
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How can I make a time delay in Python? [duplicate]
...d happen to be exactly 0.1 second, 6 multiples of 16.66 ms)? Or is e.g. at least 1 ms guaranteed? For example, could a specified delay of 3 ms actually result in a 17 ms delay?
– Peter Mortensen
Nov 27 '19 at 18:42
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