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How to negate a method reference predicate
In Java 8, you can use a method reference to filter a stream, for example:
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Generate list of all possible permutations of a string
How would I go about generating a list of all possible permutations of a string between x and y characters in length, containing a variable list of characters.
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Why can't R's ifelse statements return vectors?
I've found R's ifelse statements to be pretty handy from time to time. For example:
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Understanding checked vs unchecked exceptions in Java
Joshua Bloch in " Effective Java " said that
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How can I make SQL case sensitive string comparison on MySQL?
I have a function that returns five characters with mixed case. If I do a query on this string it will return the value regardless of case.
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What are the file limits in Git (number and size)?
Does anyone know what are the Git limits for number of files and size of files?
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Remove all classes that begin with a certain string
I have a div with id="a" that may have any number of classes attached to it, from several groups. Each group has a specific prefix. In the javascript, I don't know which class from the group is on the div. I want to be able to clear all classes with a given prefix and then add a new one. If I want...
What's wrong with using $_REQUEST[]?
I've seen a number of posts on here saying not to use the $_REQUEST variable. I usually don't, but sometimes it's convenient. What's wrong with it?
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Why is the String class declared final in Java?
From when I learned that the class java.lang.String is declared as final in Java, I was wondering why that is. I didn't find any answer back then, but this post: How to create a replica of String class in Java? reminded me of my query.
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Why can't I use switch statement on a String?
Is this functionality going to be put into a later Java version?
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