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Removing duplicates from a list of lists
...p inner loops of code that's pushing the boundaries of performance limits) one may need to go into much more detail, providing probability distributions, deciding which performance measures to optimize (maybe the upper bound or the 90th centile is more important than an average or median, depending ...
Redirecting to a relative URL in JavaScript
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You can do a relative redirect:
window.location.href = '../'; //one level up
or
window.location.href = '/path'; //relative to domain
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How to import a jar in Eclipse
...e the Jar. A quick demo here.
The above solution is obviously a "Quick" one. However, if you are working on a project where you need to commit files to the source control repository, I would recommend adding Jar files to a dedicated library folder within your source control repository and referen...
How do I convert a String to an int in Java?
...lar expresssion pattern of "([0-9]+)" will "capture" the first sequence of one or more digits one through nine. Look at the Matcher class in that package.
– Mark Stewart
Jun 8 '18 at 16:16
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Unescape HTML entities in Javascript?
... accepted answer, consider the following:
htmlDecode("<img src='dummy' onerror='alert(/xss/)'>");
The string here contains an unescaped HTML tag, so instead of decoding anything the htmlDecode function will actually run JavaScript code specified inside the string.
This can be avoided by us...
What are the benefits of Java's types erasure?
...er. There is a fairly consistent message with even just the excerpts mentioned thus far:
It's funny when Java users complain about type erasure, which is the only thing Java got right, while ignoring all the things it got wrong.
I get huge benefits (e.g. parametricity) and nil cost (alleged cost i...
What breaking changes are introduced in C++11?
I know that at least one of the changes in C++11 that will cause some old code to stop compiling: the introduction of explicit operator bool() in the standard library, replacing old instances of operator void*() . Granted, the code that this will break is probably code that should not have been v...
Difference between List, List, List, List, and List
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1) Correct
2) You can think of that one as "read only" list, where you don't care about the type of the items.Could e.g. be used by a method that is returning the length of the list.
3) T, E and U are the same, but people tend to use e.g. T for type, E for El...
Getting “type or namespace name could not be found” but everything seems ok?
... now. I recently moved the solution to VS2012 from VS2010, and had created one new class library in VS2012. All of a sudden I was getting this error, and of course it was because the new class library targeted .NET 4.5 while the project referencing it targeted .NET 4.0. Downgrading the new library t...
mmap() vs. reading blocks
...e.
Memory maps allow you to keep using pages from the cache until you are done. This means that if you use a file heavily for a long period of time, then close it and reopen it, the pages will still be cached. With read, your file may have been flushed from the cache ages ago. This does not apply...