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How to list the files inside a JAR file?

I have this code which reads all the files from a directory. 16 Answers 16 ...
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What is a magic number, and why is it bad? [closed]

..., the fact that Passwords can be a maximum of 7 characters long is not globally defined and actually differs, so that is a candidate for a variable. – Michael Stum♦ Sep 19 '09 at 1:02 ...
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How to iterate over values of an Enum having flags?

...s)Enum.Parse(typeof(Items), v)); // Boo I adapted what Enum does internally to generate the string to instead return the flags. You can look at the code in reflector and should be more or less equivalent. Works well for general use cases where there are values which contain multiple bits. sta...
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Select N random elements from a List in C#

... time you get to the end you will have your 5 items, and often you'll have all of them before that. share | improve this answer | follow | ...
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Python non-greedy regexes

... You seek the all-powerful *? From the docs, Greedy versus Non-Greedy the non-greedy qualifiers *?, +?, ??, or {m,n}? [...] match as little text as possible. ...
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Is mathematics necessary for programming? [closed]

...m high school or fresh year college math, no more no less, and that almost all of programming tasks can be achieved without even need for advanced math. He argued, however, that algorithms are fundamental & must-have asset for programmers. ...
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Why do we declare Loggers static final?

...ic final Logger log = LoggerFactory.getLogger(Foo.class); The former way allows you to use the same logger name (name of the actual class) in all classes throughout the inheritance hierarchy. So if Bar extends Foo, both will log to Bar logger. Some find it more intuitive. ...
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Is the order guaranteed for the return of keys and values from a LinkedHashMap object?

... The Map interface provides three collection views, which allow a map's contents to be viewed as a set of keys, collection of values, or set of key-value mappings. The order of a map is defined as the order in which the iterators on the map's collection views return their ...
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How to use Servlets and Ajax?

...er, last years it's more than often Asynchronous JavaScript and JSON. Basically, you let JS execute an asynchronous HTTP request and update the HTML DOM tree based on the response data. Since it's pretty a tedious work to make it to work across all browsers (especially Internet Explorer versus othe...
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Where and why do I have to put the “template” and “typename” keywords?

...iler doesn't need to know the meaning of a name in order to parse and basically know what action a line of code does. In C++, the above however can yield vastly different interpretations depending on what t means. If it's a type, then it will be a declaration of a pointer f. However if it's not a ty...