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Logger slf4j advantages of formatting with {} instead of string concatenation

...ameters since API version 1.7. For those cases where you need more than 2 and you're stuck with pre-1.7 SLF4J, then just use either string concatenation or new Object[] { param1, param2, param3, ... }. There should be few enough of them that the performance is not as important. ...
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How to check that a string is a palindrome using regular expressions?

...d about finite state machines. A finite state machine is composed of nodes and edges. Each edge is annotated with a letter from a finite alphabet. One or more nodes are special "accepting" nodes and one node is the "start" node. As each letter is read from a given word we traverse the given edge in ...
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Split a string at uppercase letters

...d: >>> import re >>> re.findall('[A-Z][^A-Z]*', 'TheLongAndWindingRoad') ['The', 'Long', 'And', 'Winding', 'Road'] >>> re.findall('[A-Z][^A-Z]*', 'ABC') ['A', 'B', 'C'] share | ...
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PHP random string generator

I'm trying to create a randomized string in PHP, and I get absolutely no output with this: 59 Answers ...
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Is arr.__len__() the preferred way to get the length of an array in Python?

...5 The same works for tuples: my_tuple = (1,2,3,4,5) len(my_tuple) # 5 And strings, which are really just arrays of characters: my_string = 'hello world' len(my_string) # 11 It was intentionally done this way so that lists, tuples and other container types or iterables didn't all need to expl...
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How do I convert CamelCase into human-readable names in Java?

...e(test) + "]"); } It uses zero-length matching regex with lookbehind and lookforward to find where to insert spaces. Basically there are 3 patterns, and I use String.format to put them together to make it more readable. The three patterns are: UC behind me, UC followed by LC in front of me ...
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Property getters and setters

... Setters and Getters apply to computed properties; such properties do not have storage in the instance - the value from the getter is meant to be computed from other instance properties. In your case, there is no x to be assigned. E...
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Static variables in member functions

... Since class A is a non-template class and A::foo() is a non-template function. There will be only one copy of static int i inside the program. Any instance of A object will affect the same i and lifetime of i will remain through out the program. To add an exampl...
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Linq Query keeps throwing “Unable to create a constant value of type System.Object…”, Why?

... Can you please explain the difference between "t.CustID == custIdToQuery" and "t.CustID.Equals(custIdToQuery)". thanks in advance – Neel Jan 4 '11 at 10:20 ...
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How can I replace every occurrence of a String in a file with PowerShell?

...ired: Without the parenthesis the content is read, one line at a time, and flows down the pipeline until it reaches out-file or set-content, which tries to write to the same file, but it's already open by get-content and you get an error. The parenthesis causes the operation of content reading t...