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Something like 'contains any' for Java set?

... Wouldn't Collections.disjoint(A, B) work? From the documentation: Returns true if the two specified collections have no elements in common. Thus, the method returns false if the collections contains any common elements. ...
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Understanding Apache's access log

... You seem to be using the combined log format. LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\"" combined %h is the remote host (ie the client IP) %l is the identity of the user determined by identd (not usually used since not relia...
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How can I check if a jQuery plugin is loaded?

...ded as a jQuery namespace. You could check if the method you need exists, for example: if(Date.today) { //Use the dateJS today() method } But you might run into problems where the API overlaps the native Date API. ...
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Converting 'ArrayList to 'String[]' in Java

...<String> list = ..; String[] array = list.toArray(new String[0]); For example: List<String> list = new ArrayList<String>(); //add some stuff list.add("android"); list.add("apple"); String[] stringArray = list.toArray(new String[0]); The toArray() method without passing any arg...
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How to find out the number of CPUs using python

... If you have python with a version >= 2.6 you can simply use import multiprocessing multiprocessing.cpu_count() http://docs.python.org/library/multiprocessing.html#multiprocessing.cpu_count share | ...
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Java String remove all non numeric characters

... This could also work: > str = str.replaceAll("[\\D.]", ""); – yeaaaahhhh..hamf hamf Jan 26 '15 at 14:39 ...
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Convert integer into its character equivalent, where 0 => a, 1 => b, etc

...o convert an integer into its character equivalent based on the alphabet. For example: 12 Answers ...
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How do I get hour and minutes from NSDate?

... Use an NSDateFormatter to convert string1 into an NSDate, then get the required NSDateComponents: Obj-C: NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; [dateFormatter setDateFormat:@"<your date format goes here"]; NS...
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Java: method to get position of a match in a String?

...r, int fromIndex) Returns the index within this string of the first (or last) occurrence of the specified substring [searching forward (or backward) starting at the specified index]. String text = "0123hello9012hello8901hello7890"; String word = "hello"; System.out.println(text.indexOf(wo...
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Import PEM into Java Key Store

...g to connect to an SSL server which requires me to authenticate myself. In order to use SSL over Apache MINA I need a suitable JKS file. However, I have only been given a .PEM file. ...