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Cleanest way to toggle a boolean variable in Java?
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The "obvious" way (for most people)
theBoolean = !theBoolean;
The "shortest" way (most of the time)
theBoolean ^= true;
The "most visual" way (most uncertainly)
theBoolean = theBoolean ? false : true;
Extra: Toggle and use in a method call
theMethod( theBoolean ^= true );
Since the assi...
Count the number occurrences of a character in a string
...ng, I would use a regular expression or the str.count() method. I haven't tested, but there may be a performance difference due to a slight overhead in counting all characters and appending to a dictionary rather than counting occurrences of a single substring. I would suggest writing a script to ...
How can I get a favicon to show up in my django app?
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Tipp: favicon.ico didnt do it for me, after testing with .png extension it worked!
– kaya
Sep 3 '18 at 9:59
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XMLHttpRequest status 0 (responseText is empty)
.../ URLs of files also on file:// URLs actually have status == 0 on success (tested on FF 24.0.5).
– Daniel Roethlisberger
Dec 31 '14 at 21:20
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Trusting all certificates with okHttp
For testing purposes, I'm trying to add a socket factory to my okHttp client that trusts everything while a proxy is set. This has been done many times over, but my implementation of a trusting socket factory seems to be missing something:
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Xcode 4 - build output directory
...ipt, I'd like to actually find the build (so I can package it and send via TestFlight :) How do I determine which of the many MyAppName-xxxx-s is the right one? Thanks!
– Olie
Oct 2 '14 at 4:02
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Scala Doubles, and Precision
...(1.949 * 1000).toInt - ((1.949 * 1000).toInt % 10)) / 1000.toDouble didn't test it too much though. This code would do 2 decimal places.
– robert
Mar 30 '16 at 7:45
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How can I delete multiple lines in vi?
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Commands listed for use in normal mode (prefix with : for command mode).
Tested in Vim.
By line amount:
numdd - will delete num lines DOWN starting count from current cursor position (e.g. 5dd will delete current line and 4 lines under it => deletes current line and (num-1) lines under it)
n...
How to simulate target=“_blank” in JavaScript
....target='_blank';"
I started using that to bypass the W3C's XHTML strict test.
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Unresolved external symbol in object files
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I had the same link errors, but from a test project which was referencing another dll. Found out that after adding _declspec(dllexport) in front of each function which was specified in the error message, the link was working well.
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