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Create JSON-object the correct way
...ou want to encode an array of objects: then the JSON_FORCE_OBJECT response does not work. On the other side is much more readable. Thanks!
– Natxet
Nov 15 '19 at 12:19
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Numpy index slice without losing dimension information
...ngle number, index with a range. That is, use X[10:11,:]. (Note that 10:11 does not include 11).
import numpy as np
X = np.zeros((100,10))
X.shape # >> (100, 10)
xslice = X[10:11,:]
xslice.shape # >> (1,10)
This makes it easy to understand with more dimensions too, no None ju...
Mechanisms for tracking DB schema changes [closed]
...ill go wrong) [mysqldump].
Create bookkeeping table (called _meta) if it doesn't exist.
Read current VERSION from _meta table. Assume 0 if not found.
For all .sql files numbered higher than VERSION, execute them in order
If one of the files produced an error: roll back to the backup
Otherw...
Select DISTINCT individual columns in django?
...
values_list does not put DISTINCT in the sql query, so this would bring multiple values if there were.
– mehmet
Jun 29 '16 at 22:10
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binning data in python with scipy/numpy
...at array, and I want to just take the mean in those bins? I have code that does it below but i am wondering how it can be cut down and improved. thanks.
...
Can I draw rectangle in XML?
...:background attribute to the new drawable shape. The shape we have defined does not have any dimensions, and therefore will take the dimensions of the View that is defined in the layout.
So putting it all together:
<View
android:id="@+id/myRectangleView"
android:layout_width="200dp"
...
Timertask or Handler
Let's say that I want to perform some action every 10 seconds and it doesn't necessarily need to update the view.
3 Answer...
Git fetch remote branch
...; followed by git checkout -b <branch> <remote>/<branch> does exactly the same as my initial answer. And evidently, if your repository has only one remote, then you can just do git checkout <branch> after fetch and it will create a local branch for you. For example, you just ...
Get last element of Stream/List in a one-liner
...t might be surprising at first glance, and unfortunately the documentation doesn't state it explicitly. However, it is an important feature of streams, and I try to clarify it:
The Javadoc for the method Stream::reduce states, that it "is not constrained to execute sequentially".
The Javadoc also ...
C++ SFINAE examples?
...ype. what if a class has no member of int type? What am I missing? and how does test<T>(0) play into this? I must be missing something
– user2584960
Nov 2 '18 at 2:15
ad...