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C# Interfaces. Implicit implementation versus Explicit implementation
...s you to access the interface only by casting it as the interface itself.
MyClass myClass = new MyClass(); // Declared as concrete class
myclass.CopyTo //invalid with explicit
((IList)myClass).CopyTo //valid with explicit.
I use explicit primarily to keep the implementation clean, or when I need ...
Convert List to List
... memory penalty since it creates a new list with the existing objects. See my answer below for a solution without these problems.
– Bigjim
Jun 5 '15 at 9:07
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Ways to circumvent the same-origin policy
...WAYS an exception? is it always not allowed? should I stop testing through my localhost?
– Ayyash
Mar 13 '12 at 15:33
1
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How do I filter ForeignKey choices in a Django ModelForm?
Say I have the following in my models.py :
7 Answers
7
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Add new field to every document in a MongoDB collection
... you should use replace_one(), update_one(), or update_many() instead.
In my case I used update_many() and it solved my issue:
db.your_collection.update_many({}, {"$set": {"new_field": "value"}}, upsert=False, array_filters=None)
From documents
update_many(filter, update, upsert=False, array_f...
How to initialize all the elements of an array to any specific value in java
In C/C++ we have memset() function which can fulfill my wish but in Java how can i initialize all the elements to a specific value? Whenever we write int[] array=new int[10]; , this simply initialize an array of size 10 having all elements equal to zero. I just want to change this initializa...
Why use the params keyword?
... line, we probably shouldn't (and won't once "Best Practice" catches up to my "genius" ;P ) do so when Passing Parameters.
NOTES:
Passing in Variables whose names mirror the Parameters' doesn't help when:
1.1. you're passing in Literal Constants (i.e. a simple 0/1, false/true or null that eve...
Android: how to draw a border to a LinearLayout
...ML, the draw function and the main Activity.
I have some LinearLayout in my XML file.
2 Answers
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How to set the matplotlib figure default size in ipython notebook?
...f them on Arch) and I have no file titled ipython_notebook_config.py under my ~. Any idea how things may have changed in the most recent versions?
– Pastafarianist
Sep 25 '17 at 13:28
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How to stage only part of a new file with git?
I love git add --interactive . It is now part of my daily workflow.
5 Answers
5
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