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RGB to hex and hex to RGB

...t made a color close to black appear dark pink. Better to use the function from top answer. – Maciej Krawczyk Apr 27 '16 at 11:20  |  show 2 m...
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How to handle floats and decimal separators with html5 input type number

...f. I can turn off or customize the error message, but retrieving the value from the input is always a crapshoot. Any ideas? – Nick G. Sep 10 '14 at 22:20 5 ...
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Why does InetAddress.isReachable return false, when I can ping the IP address?

...URLConnection)url.openConnection(); //trying to retrieve data from the source. If there //is no connection, this line will fail Object objData = urlConnect.getContent(); } catch (Exception e) { e.printStackTrace(); r...
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.NET - Dictionary locking vs. ConcurrentDictionary

...ople don't act responsibly. For instance, let's say a customer takes a can from a pyramid-can while a clerk is currently building the pyramid, all hell would break loose. Or, what if two customers reaches for the same item at the same time, who wins? Will there be a fight? This is a non-threadsafe-c...
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Undefined reference to static constexpr char[]

...ition for a static constexpr member if it is not odr-used, we can see this from the draft C++11 standard section 9.4.2 [class.static.data] which says (emphasis mine going forward): [...]A static data member of literal type can be declared in the class definition with the constexpr specifier; i...
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How to have conditional elements and keep DRY with Facebook React's JSX?

...f when a developer (me) tries to transfer patterns and approaches he knows from one area to another but it doesn't really work (in this case other template languages). If you need a conditional element, do it like this: render: function () { return ( <div id="page"> {...
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Skip the headers when editing a csv file using Python

...tedly very small amount of) overhead to each iteration. The consume recipe from itertools can be used to skip many values quickly, without adding wrapping to subsequent usage, in the case where the islice would have a start but no end, so the overhead isn't gaining you anything. ...
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java.lang.OutOfMemoryError: Java heap space in Maven

...e to never (which is be a not so good idea because Maven won't be isolated from the test) ~or~ use the argLine parameter (the right way): In the later case, something like this: <configuration> <argLine>-Xmx1024m</argLine> </configuration> But I have to say that I ten...
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iPhone Simulator location

...rary/Application Support/iPhone Simulator/ You can browse simulator files from that directory in Mac OS X. share | improve this answer | follow | ...
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How can I get a collection of keys in a JavaScript dictionary? [duplicate]

...fine for modern browsers (however, Internet Explorer supports it starting from version 9 only). To add compatible support you can copy the code snippet provided in MDN. share | improve this answer ...