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How can I count the number of matches for a regex?
...tches
When counting matches of aa in aaaa the above snippet will give you 2.
aaaa
aa
aa
To get 3 matches, i.e. this behavior:
aaaa
aa
aa
aa
You have to search for a match at index <start of last match> + 1 as follows:
String hello = "aaaa";
Pattern pattern = Pattern.compile("aa");...
Replace tabs with spaces in vim
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IIRC, something like:
set tabstop=2 shiftwidth=2 expandtab
should do the trick. If you already have tabs, then follow it up with a nice global RE to replace them with double spaces.
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How to calculate a logistic sigmoid function in Python?
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226
This should do it:
import math
def sigmoid(x):
return 1 / (1 + math.exp(-x))
And now you...
Sublime Text 3 how to change the font size of the file sidebar?
... "color": [0, 0, 0],
"font.bold": false,
"font.size": 12
},
]
For reference, here there is the full file (as found in ST2).
Ubuntu 18.04
Location of theme setting on Ubuntu 18.04, installed via sudo apt install sublime-text:
~/.config/sublime-text-3/Packages/User/Default...
builder for HashMap
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22
Since Java 9 Map interface contains:
Map.of(k1,v1, k2,v2, ..)
Map.ofEntries(Map.entry(k1,v1)...
INSERT with SELECT
...(name, location, gid)
SELECT name, location, 1
FROM courses
WHERE cid = 2
You can put a constant of the same type as gid in its place, not just 1, of course. And, I just made up the cid value.
share
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How to trim white spaces of array values in php
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Best data type for storing currency values in a MySQL database
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229
Something like Decimal(19,4) usually works pretty well in most cases. You can adjust the scale...
Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
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842
Use collections.Counter:
>>> from collections import Counter
>>> A = Counter(...
POSTing a @OneToMany sub-resource association in Spring Data REST
... Chetan KokilChetan Kokil
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