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How to include js file in another js file? [duplicate]
...tScript the second depended script will be started to load after the first one is loaded and executed. It is sequential instead of parallel loading. Moreover if somebody include per <script> such loader.js file, which load some JavaScript library (think about jQuery UI for example), than one c...
Difference in make_shared and normal shared_ptr in C++
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The difference is that std::make_shared performs one heap-allocation, whereas calling the std::shared_ptr constructor performs two.
Where do the heap-allocations happen?
std::shared_ptr manages two entities:
the control block (stores meta data such as ref-counts, type-e...
How can I swap positions of two open files (in splits) in vim?
...in the mappings to make it work. Not sure why, but hopefully that helps anyone who finds this later. :D
– wes
Feb 5 '11 at 23:28
6
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what is reverse() in Django
...code. This violates DRY (Don't Repeat Yourself), the whole idea of editing one place only, which is something to strive for.
Instead, you can say:
from django.urls import reverse
return HttpResponseRedirect(reverse('url_name'))
This looks through all urls defined in your project for the url defi...
Java: when to use static methods
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One rule-of-thumb: ask yourself "Does it make sense to call this method, even if no object has been constructed yet?" If so, it should definitely be static.
So in a class Car you might have a method:
double convertMpgToKpl...
Creating and Update Laravel Eloquent
...w;
}
I Hope that helps. I would love to see an alternative to this if anyone has one to share.
@erikthedev_
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Is it possible to change the package name of an Android app on Google Play?
...n by package name is the name that will show up in the URL. Please, can anyone tell me why this is / is not possible?
Thanks!
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Entity Framework 4 Single() vs First() vs FirstOrDefault()
... times while the same context is alive.
Single() - when you expect exactly one item to be returned by a query. This will throw an exception if the query does not return exactly one item.
SingleOrDefault() - when you expect zero or one items to be returned by a query (i.e. you are not sure if an item...
Python: Find in list
...first question: that code is perfectly fine and should work if item equals one of the elements inside myList. Maybe you try to find a string that does not exactly match one of the items or maybe you are using a float value which suffers from inaccuracy.
As for your second question: There's actually...
Database development mistakes made by application developers [closed]
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1. Not using appropriate indices
This is a relatively easy one but still it happens all the time. Foreign keys should have indexes on them. If you're using a field in a WHERE you should (probably) have an index on it. Such indexes should often cover multiple columns based on the q...