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Why does the Scala compiler disallow overloaded methods with default arguments?
... naming-scheme for the
generated methods which return default arguments. If you write
def f(a: Int = 1)
the compiler generates
def f$default$1 = 1
If you have two overloads with defaults on the same parameter
position, we would need a different naming scheme. But we want to k...
What does a tilde in angle brackets mean when creating a Java generic class?
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Just for personal clarification - IntelliJ produces Java source files with this notation, iaw, source files with illegal Java content??? Or is this just the view of the source and the saved file is correct?
– Andreas Dolk
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XML Serialization - Disable rendering root element of array
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Note you must also replace [XmlArray] if present.
– dbc
Jun 27 '19 at 19:22
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Difference between window.location.href=window.location.href and window.location.reload()
What is the difference between JavaScript's
12 Answers
12
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Is it possible to pull just one file in Git?
... Excellent. This has helped me on more than one occasion. To clarify, the -m flag seems to be happy with the hash of the commit from which you want to pull your single file.
– rd108
Nov 14 '13 at 22:36
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Unix command to prepend text to a file
...o be prepended;' inFile
-i writes the change in place and take a backup if any extension is given. (In this case, .old)
1s;^;to be prepended; substitutes the beginning of the first line by the given replacement string, using ; as a command delimiter.
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How is CountDownLatch used in Java Multithreading?
...read will wait until the gate is open. One thread waits for n threads, specified while creating the CountDownLatch.
Any thread, usually the main thread of the application, which calls CountDownLatch.await() will wait until count reaches zero or it's interrupted by another thread. All other threads ...
Best content type to serve JSONP?
I have a webservice that when called without specifying a callback will return a JSON string using application/json as the content type.
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Will Dispose() be called in a using statement with a null object?
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Note that even if your variable is null, the using block is executed, and if you reference your variable inside the using block without first null-checking it, you WILL get NullReferenceException. To prevent misinterpretation, this answer s...
Is == in PHP a case-sensitive string comparison?
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Yes, but it does a comparison byte-by-byte.
If you're comparing unicode strings, you may wish to normalize them first. See the Normalizer class.
Example (output in UTF-8):
$s1 = mb_convert_encoding("\x00\xe9", "UTF-8", "UTF-16BE");
$s2 = mb_convert_encoding("\x00\x65...