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Is it possible to forward-declare a function in Python?
...sed, and defining it afterwards is impossible, what about defining it in some other module?
Technically you still define it first, but it's clean.
You could create a recursion like the following:
def foo():
bar()
def bar():
foo()
Python's functions are anonymous just like values are an...
Mongoose (mongodb) batch insert?
...size of the bulk, Model.create() will even crash! Tried with a million documents, no luck. Using Model.collection.insert it took just a few seconds.
Model.collection.insert(docs, options, callback)
docs is the array of documents to be inserted;
options is an optional configuration object - see t...
plot with custom text for x axis points
...
rotation is also sometimes useful: plt.xticks(range(5), ["some", "words", "as", "x", "ticks"], rotation=45)
– Adobe
Jan 23 '13 at 18:10
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How do I clone a Django model instance object and save it to the database?
...primary key of your object and run save().
obj = Foo.objects.get(pk=<some_existing_pk>)
obj.pk = None
obj.save()
If you want auto-generated key, set the new key to None.
More on UPDATE/INSERT here.
Official docs on copying model instances: https://docs.djangoproject.com/en/2.2/topics/db/q...
In Java, is there a way to write a string literal without having to escape quotes?
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How to size an Android view based on its parent's dimensions
...f's solution will only get you halfway there (kinda literally). What his onMeasure will do is display half the image in half the parent. The problem is that calling super.onMeasure prior to the setMeasuredDimension will measure all the children in the view based on the original size, then just cut t...
How to play a sound in C#, .NET
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You could use:
System.Media.SoundPlayer player = new System.Media.SoundPlayer(@"c:\mywavfile.wav");
player.Play();
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For each row in an R dataframe
I have a dataframe, and for each row in that dataframe I have to do some complicated lookups and append some data to a file.
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MySQL “WITH” clause
...ce DBMS to support recursive queries):
http://www.firebirdsql.org/file/documentation/release_notes/html/rlsnotes210.html#rnfb210-cte
H2 Database (but only recursive):
http://www.h2database.com/html/advanced.html#recursive_queries
Informix 14.10 and later:
https://www.ibm.com/support/knowledgecenter/...