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How to convert a string to lower case in Bash?
...ous ways:
POSIX standard
tr
$ echo "$a" | tr '[:upper:]' '[:lower:]'
hi all
AWK
$ echo "$a" | awk '{print tolower($0)}'
hi all
Non-POSIX
You may run into portability issues with the following examples:
Bash 4.0
$ echo "${a,,}"
hi all
sed
$ echo "$a" | sed -e 's/\(.*\)/\L\1/'
hi all
# t...
Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...ther possible sign that it's rename/RAT-related is that SKL unlaminates an indexed addressing mode as a memory source for lzcnt/tzcnt but not popcnt. Obviously the rename unit has to create uops the back-end can represent, though.
– Peter Cordes
Nov 27 '19 at ...
Peak-finding algorithm for Python/SciPy
...tect_peaks
print('Detect peaks with minimum height and distance filters.')
indexes = detect_peaks.detect_peaks(vector, mph=7, mpd=2)
print('Peaks are: %s' % (indexes))
Which will give you:
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...
Removing array item by value
...
The most powerful solution would be using array_filter, which allows you to define your own filtering function.
But some might say it's a bit overkill, in your situation...
A simple foreach loop to go trough the array and remove the item you don't want should be enough.
Something lik...
How to add a button dynamically in Android?
... Toast.makeText(view.getContext(),
"Button clicked index = " + id_, Toast.LENGTH_SHORT)
.show();
}
});
}
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...
How do I migrate a model out of one django app and into a new one?
...t of 0003_create_cat as well? Also I want to share a tip. If you have indexes, they will need to be modified as well. In my case they were unique indexes, so my forward looks like thiS: db.delete_unique('common_cat', ['col1']) db.rename_table('common_cat', 'specific_cat') db...
ImportError: No module named pip
...via 'sudo apt-get install python-pip'. These versioning changes (i.e. like php with homebrew) drive me crazy sometimes...
– Ryan Coolwebs
Dec 12 '18 at 2:58
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...
Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
... in km:
clustercentre = centres[jcentre]
J indexes e.g. X[J], classes[J]
"""
def __init__( self, X, k=0, centres=None, nsample=0, **kwargs ):
self.X = X
if centres is None:
self.centres, self.Xtocentre, self.distances = kmeanssample...
What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?
...using the column name, but instead you would have to find the name used to index it. To find that, issue the following select:
SHOW CREATE TABLE region;
This should show you the name of the index, something like this:
CONSTRAINT region_ibfk_1 FOREIGN
KEY (country_id) REFERENCES
country...
Label encoding across multiple columns in scikit-learn
...t; pd.DataFrame({col: df[col].astype('category').cat.codes for col in df}, index=df.index)
location owner pets
0 1 1 0
1 0 2 1
2 0 0 0
3 1 1 2
4 1 3 1
5 0 2 1
To create a mapping dictionary, ...