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ValueError: setting an array element with a sequence
...ur edit. If you really want to have a NumPy array containing both strings and floats, you could use the dtype object, which enables the array to hold arbitrary Python objects:
numpy.array([1.2, "abc"], dtype=object)
Without knowing what your code shall accomplish, I can't judge if this is what y...
MongoDb query condition on comparing 2 fields
...project and $match to implement field level redaction where it will return all documents matching the condition using $$KEEP and removes from the pipeline results those that don't match using the $$PRUNE variable.
Running the following aggregate operation filter the documents more efficiently tha...
Detect if device is iOS
... are changed and differentiating between iPad and MacOS seems possible, so all answers below needs to take that into account now.
This might be the shortest alternative that also covers iOS 13:
function iOS() {
return [
'iPad Simulator',
'iPhone Simulator',
'iPod Simulator',
'iPad'...
How do I update/upsert a document in Mongoose?
...
Mongoose now supports this natively with findOneAndUpdate (calls MongoDB findAndModify).
The upsert = true option creates the object if it doesn't exist. defaults to false.
var query = {'username': req.user.username};
req.newData.username = req.user.username;
MyModel.findOneAndUpd...
LINQ order by null column where order is ascending and nulls should be last
...
This Worked to order fields with values on top and null fields on bottom i used this : orderby p.LowestPrice == null, p.LowestPrice ascending Hope helps someone.
– shaijut
Sep 27 '15 at 11:32
...
Changing the background drawable of the searchview widget
...get to the right view within SearchView), but it's not bullet-proof. Especially if some manufacturer decides to reimplement internals of SearchView and element with above-mentioned id is not present - the code won't work.
In SDK, the background for text field in SearchView is declared through nine-...
Getting name of windows computer running python script?
Basically, I have a couple Windows computers on my network that will be running a python script. A different set of configuration options should be used in the script depending on which computer is running this script.
...
Pandas - Get first row value of a given column
...2
There is a difference between df_test['Btime'].iloc[0] (recommended) and df_test.iloc[0]['Btime']:
DataFrames store data in column-based blocks (where each block has a single
dtype). If you select by column first, a view can be returned (which is
quicker than returning a copy) and the origina...
Read a zipped file as a pandas DataFrame
I'm trying to unzip a csv file and pass it into pandas so I can work on the file.
The code I have tried so far is:
5 Ans...
Why is “import *” bad?
...ed (readability).
Because you can't use cool tools like pyflakes to statically detect errors in your code.
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