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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");...
Unable to install Maven on Windows: “JAVA_HOME is set to an invalid directory”
...
172
The problems are to do with your paths.
Make sure that the directory "E:\java resources\apache-...
Html.DropdownListFor selected value not being set
...
182
Your code has some conceptual issues:
First,
@Html.DropDownListFor(n => n.OrderTemplates, n...
How to calculate a logistic sigmoid function in Python?
...
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...
Replace tabs with spaces in vim
...
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.
...
builder for HashMap
...
22
Since Java 9 Map interface contains:
Map.of(k1,v1, k2,v2, ..)
Map.ofEntries(Map.entry(k1,v1)...
POSTing a @OneToMany sub-resource association in Spring Data REST
... Chetan KokilChetan Kokil
49455 silver badges22 bronze badges
2
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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(...
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.
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