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Finding all cycles in a directed graph

...nyone using python for this: the Johnson algorithm is implemented as simple_cycle in networkx. – Joel Feb 12 '16 at 21:15  |  show 6 more comm...
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Install Gem from Github Branch?

...mfile.5.html#GIT Update: There's a github source identifier. gem 'country_select', github: 'stefanpenner/country_select' However, they warn against using it: NOTE: This shorthand should be avoided until Bundler 2.0, since it currently expands to an insecure git:// URL. This allows a man-in-the-m...
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Interfaces with static fields in java for sharing 'constants'

...s { private KittenConstants() {} public static final String KITTEN_SOUND = "meow"; public static final double KITTEN_CUTENESS_FACTOR = 1; } share | improve this answer | ...
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How to convert java.util.Date to java.sql.Date?

...tually not available in the JDBC/Java7 paradigm. – sf_jeff Aug 17 at 1:28 @sf_jeff Java 7 support is covered in the bu...
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Embedding SVG into ReactJS

...rHTML: render: function() { return <span dangerouslySetInnerHTML={{__html: "<svg>...</svg>"}} />; } and React will include the markup directly without processing it at all. share | ...
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How do I allow HTTPS for Apache on localhost?

...nabled - there should be no hash at the start of this line: LoadModule ssl_module modules/mod_ssl.so Some Apache installations place the SSL config in a separate file. If so, ensure that the SSL conf file is being included. In my case I had to uncomment this line: Include conf/extra/httpd-ssl....
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Twitter Bootstrap: div in container with 100% height

.... First of all, the container (parent) needs to be full height: Option 1_ Add a class for min-height: 100%;. Remember that min-height will only work if the parent has a defined height: html, body { height: 100%; } .min-100 { min-height: 100%; } https://www.codeply.com/go/dTaVyMah1U Opt...
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How to check if std::map contains a key without doing insert?

... Use my_map.count( key ); it can only return 0 or 1, which is essentially the Boolean result you want. Alternately my_map.find( key ) != my_map.end() works too. ...
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Why doesn't Haskell's Prelude.read return a Maybe?

...ybe s = case reads s of [(x, "")] -> Just x _ -> Nothing share | improve this answer | follow | ...
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python's re: return True if string contains regex pattern

...ch is a more efficient way to do this, should I use python's 'xyz' in given_text or use re.compile(r'xyz').search(given_text) ? – bawejakunal May 4 '16 at 9:01 1 ...