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Detect browser or tab closing
...n, as noted in the answer, I found that async needed to be set to false in order for this to work in IE and Edge.
– Ionian316
Jul 23 '18 at 14:38
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How do I implement an Objective-C singleton that is compatible with ARC?
...rror. Subverting the fundamentals, and basic contracts, of the language in order to stop others potentially making mistakes seems quite wrong. There's more discussion at boredzo.org/blog/archives/2009-06-17/doing-it-wrong
– occulus
Nov 4 '13 at 16:00
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How to verify if a file exists in a batch file?
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log4net hierarchy and logging levels
...ances of the log4net.Core.Level class. The following levels are defined in order of increasing severity - Log Level.
Number of levels recorded for each setting level:
ALL DEBUG INFO WARN ERROR FATAL OFF
•All
•DEBUG •DEBUG ...
How can I break up this long line in Python?
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Press alt + numeric in bash and you get (arg [numeric]) what is that?
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In order to repeat numeric characters - e.g. 128 zeroes, hit the following:
Meta-key + 1 2 8 Ctrl + v 0
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Deleting multiple elements from a list
...py).
Am I missing something here, any reason to NOT delete in the reverse order?
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What is the use of the @ symbol in PHP?
... Cool feature.. It makes the use of isset()'s unnecessary in order to avoid undefined offset errors.
– W.M.
Dec 17 '16 at 20:55
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Declaring an unsigned int in Java
...ll of these types extend java.lang.Number and can be converted into higher-order primitive types and BigInteger. Hope this helps.
(Disclaimer: I work for the company behind these libraries)
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What is the difference between origin and upstream on GitHub?
...ou have forked)
You will use upstream to fetch from the original repo (in order to keep your local copy in sync with the project you want to contribute to).
git fetch upstream
(git fetch alone would fetch from origin by default, which is not what is needed here)
You will use origin to pull and ...