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How can I count the number of matches for a regex?
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matcher.find() does not find all matches, only the next match.
Solution for Java 9+
long matches = matcher.results().count();
Solution for Java 8 and older
You'll have to do the following. (Starting from Java 9, there is a nicer solution)
int count = 0;
while (matcher.find())
count++;
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Javascript !instanceof If Statement
...ich then becomes if(bool instanceof Array), which is obviously false. Therefore, wrap it in parenthesis as suggested.
– ronnbot
Nov 26 '13 at 20:07
1
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How do I migrate an SVN repository with history to a new Git repository?
... @Eildosa: This will just clone the trunk. See Casey's answer for an alternative.
– sleske
Aug 10 '13 at 13:30
3
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Link latest file on Bitbucket Git repository
...ter/ThoFu%20Interpreter/ReadMe.txt
Another idea is to create a wiki page for your project, then use the wiki's functionality to link to the latest version of a file with this syntax:
<<file path/to/file [revision] [linenumber]>>
Just omit the revision and line number parameters, the...
SQL query to get all values a enum can have
...an array:
SELECT enum_range(NULL::myenum)
If you want a separate record for each item in the enum:
SELECT unnest(enum_range(NULL::myenum))
Additional Information
This solution works as expected even if your enum is not in the default schema. For example, replace myenum with myschema.myenu...
Difference between jQuery’s .hide() and setting CSS to display: none
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.hide() stores the previous display property just before setting it to none, so if it wasn't the standard display property for the element you're a bit safer, .show() will use that stored property as what to go back to. So...it does some extra work, but unless you're doing to...
How do I get the name of a Ruby class?
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When I do this I get the Module names before it, so "Module::SubModule::Class", is there a way of getting just "Class"
– Abe Petrillo
Sep 2 '11 at 11:35
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Custom ListView click issue on items in Android
...droid:focusable="false"
Now my list items that contain checkboxes (works for buttons too) are "selectable" in the traditional sense (they light up, you can click anywhere in the list item and the "onListItemClick" handler will fire, etc).
EDIT: As an update, a commenter mentioned "Just a note, af...
Add a number to each selection in Sublime Text 2, incremented once per selection
...fer to use the Insert Nums command:
Text Pastry has a build in support for the Insert Nums syntax by
providing three numbers separated by one space:
N M P
N: the start index.
M represents the step size which will be added to the index for
each selection.
P must be > 0 ...
Why does the JavaScript need to start with “;”?
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})()
If we concat these files together it will cause problems.
So therefore remember to put your ; in front of ( and maybe also a few other places. Btw. var a = 1;;;var b = 2;;;;;;;;;var c = a+b; is perfectly valid JavaScript
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