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Functional style of Java 8's Optional.ifPresent and if-not-Present?

...n Java 8, I want to do something to an Optional object if it is present, and do another thing if it is not present. 12 An...
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NSLog the method name with Objective-C in iPhone

...e defining ourselves an extended log mechanism to print out the class name and the source line number of the log. 6 Answer...
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Uncaught SyntaxError: Unexpected token with JSON.parse

... is it not an Array? Why is it an object. Objects start with { and arrays start with [? or am i false here – user2396641 Sep 4 '16 at 17:20 4 ...
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Insert line after first match using sed

For some reason I can't seem to find a straightforward answer to this and I'm on a bit of a time crunch at the moment. How would I go about inserting a choice line of text after the first line matching a specific string using the sed command. I have ... ...
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Left-pad printf with spaces

...nt exactly 40 spaces then some text, just save the 40 spaces in a constant and print them. If you need to print multiple lines, either use multiple printf statements like the one above, or do it in a loop, changing the value of ptr each time. ...
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Simple way to repeat a String in java

...te this using a for loop, but I wish to avoid for loops whenever necessary and a simple direct method should exist somewhere. ...
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C# Lambda expressions: Why should I use them?

... Lambda expressions are a simpler syntax for anonymous delegates and can be used everywhere an anonymous delegate can be used. However, the opposite is not true; lambda expressions can be converted to expression trees which allows for a lot of the magic like LINQ to SQL. The following ...
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How to format a Java string with leading zero?

...- solution when you are embedding software on something without much space and the extra libraries just aren't an option. Thanks!! – Casey Murray Dec 27 '13 at 23:39 ...
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How to pass the password to su/sudo/ssh without overriding the TTY?

...nt their passwords in console input (the TTY) rather than stdin or the command line. 21 Answers ...
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How do I find files with a path length greater than 260 characters in Windows?

... directory. I keep getting an 'Insufficient Memory' error, which I understand is because a file I'm trying to copy has too long a path. I can easily reduce the path length, but unfortunately I can't work out which files are violating the path length restriction. The files that are copied are prin...