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PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
After this comment to one of my question, I'm thinking if it is better using one database with X schemas or vice versa.
5...
Is a one column table good design? [closed]
It it ok to have a table with just one column? I know it isn't technically illegal, but is it considered poor design?
15 A...
get list from pandas dataframe column
...Alternatively you cast it with list(x).
import pandas as pd
data_dict = {'one': pd.Series([1, 2, 3], index=['a', 'b', 'c']),
'two': pd.Series([1, 2, 3, 4], index=['a', 'b', 'c', 'd'])}
df = pd.DataFrame(data_dict)
print(f"DataFrame:\n{df}\n")
print(f"column types:\n{df.dtypes}")
col...
One line if-condition-assignment
...he assignment must actually return something.
As others have already mentioned, you could do this, but it's bad because you'll probably just end up confusing yourself when reading that piece of code the next time:
if someBoolValue: num1=20
I'm not a big fan of the num1 = someBoolValue and 20 or ...
How to pass parameters correctly?
... objects you're about to move from as the result of calling std::move()).
One could also argue that for fundamental types or types for which copying is fast, such as int, bool, or char, there is no need to pass by reference if the function simply needs to observe the value, and passing by value sho...
Is < faster than
...s that the different jump instructions take the same amount of time. This one is a little tricky to answer, but here's what I can give: In the Intel Instruction Set Reference, they are all grouped together under one common instruction, Jcc (Jump if condition is met). The same grouping is made toget...
How to concatenate properties from multiple JavaScript objects
...() method is used to copy the values of all enumerable own properties from one or more source objects to a target object. It will return the target object.
MDN documentation on Object.assign()
var o1 = { a: 1 };
var o2 = { b: 2 };
var o3 = { c: 3 };
var obj = Object.assign({}, o1, o2, o3...
How can one pull the (private) data of one's own Android app?
...net/projects/adbextractor/files/?source=navbar
– Someone Somewhere
Jun 5 '14 at 0:25
3
Also, I no...
Unpacking array into separate variables in JavaScript
This is a simple problem, and I've done it before. I just can't remember how, or what exactly it was called.
7 Answers
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How many bytes does one Unicode character take?
...a bit confused about encodings. As far as I know old ASCII characters took one byte per character. How many bytes does a Unicode character require?
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