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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");...
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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-...
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Html.DropdownListFor selected value not being set

... 182 Your code has some conceptual issues: First, @Html.DropDownListFor(n => n.OrderTemplates, n...
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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...
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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...
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POSTing a @OneToMany sub-resource association in Spring Data REST

... Chetan KokilChetan Kokil 49455 silver badges22 bronze badges 2 ...
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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. ...
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builder for HashMap

... 22 Since Java 9 Map interface contains: Map.of(k1,v1, k2,v2, ..) Map.ofEntries(Map.entry(k1,v1)...
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?

... 842 Use collections.Counter: >>> from collections import Counter >>> A = Counter(...
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Hide/Show Column in an HTML Table

...assuming style rules like: table.hide1 .col1 { display: none; } table.hide2 .col2 { display: none; } ... This is going to be faster than any JS loop approach; for really long tables it can make a significant difference to responsiveness. If you can get away with not supporting IE6, you could use...