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Explain the use of a bit vector for determining if all characters are unique
...ks to this data structure for different languages/platforms:
CPP: BitSet
Java: BitSet
C#: BitVector32 and BitArray
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How can “while (i == i) ;” be a non-infinite loop in a single threaded application?
...r: "Double.NaN==Double.NaN has the value false". This is elaborated in the Java Language Specification under "Floating-Point Types, Formats, and Values":
NaN is unordered, so the numerical
comparison operators <, <=, >, and >=
return false if either or both
operands are NaN. Th...
Logging in Scala
...appers
Most of Scala's logging libraries have been some wrappers around a Java logging framework (slf4j, log4j etc), but as of March 2015, the surviving log libraries are all slf4j. These log libraries provide some sort of log object to which you can call info(...), debug(...), etc. I'm not a big f...
Colorize logs in eclipse console
...k is also included in the Grep Console dialog in eclipse): docs.oracle.com/javase/6/docs/api/java/util/regex/Pattern.html
– Danny Bullis
May 30 '18 at 17:18
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Selenium wait until document is ready
...etely or not in web driver
Selenium Webdriver : Wait for complex page with javascript to load
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Execute JavaScript using Selenium WebDriver in C#
How is this achieved? Here it says the java version is:
8 Answers
8
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How to change the background color of the options menu?
...me "com.android.internal.view.menu.IconMenuItemView" as a string (not as a Java type). I do not see any way to avoid this and still accomplish the stated goal. However, it is possible to do the hack in a careful way that will fall back if "com.android.internal.view.menu.IconMenuItemView" does not ...
Using getopts to process long and short command line options
...ample, here's an example of using GNU getopt, from a script of mine called javawrap:
# NOTE: This requires GNU getopt. On Mac OS X and FreeBSD, you have to install this
# separately; see below.
TEMP=`getopt -o vdm: --long verbose,debug,memory:,debugfile:,minheap:,maxheap: \
-n 'javawr...
What is Clojure useful for? [closed]
... I've used thus far academically and professionally - C, C++, Objective-C, Java, JavaScript, Python, Ruby.
Which isn't to say Clojure is perfect. But it seems to me that it's built on a better foundation than most of what's out there.
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When and why would you seal a class?
...d be a conscious decision as well. (In C# this is a conscious decision; in Java it isn't.)
EDIT: Some relevant links:
Effective Java, 2nd Edition by Joshua Bloch. See item 17 (requires Safari subscription)
Effective Java Item 17: Design and document for inheritance or else prohibit it (discussion ...