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ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()
To allocate() or to allocateDirect() , that is the question.
4 Answers
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Why are elementwise additions much faster in separate loops than in a combined loop?
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Upon further analysis of this, I believe this is (at least partially) caused by the data alignment of the four-pointers. This will cause some level of cache bank/way conflicts.
If I've guessed correctly on how you are allocating your arrays, they are likely to be aligned to the page line....
How do I get the current username in Windows PowerShell?
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I'd like to throw in the whoami command, which basically is a nice alias for doing %USERDOMAIN%\%USERNAME% as proposed in other answers.
Write-Host "current user:"
Write-Host $(whoami)
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How do I type using my keyboard on the iphone simulator?
...ommand-K Toggle (Show/Hide) Software Keyboard
And, you know, I really suffered for last 2 months, until found it, and it is very convenient now))
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Why do I get a SyntaxError for a Unicode escape in my file path?
The folder I want to get to is called python and is on my desktop.
7 Answers
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Brew doctor says: “Warning: /usr/local/include isn't writable.”
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Take ownership of it and everything in it.
Mac OS High Sierra or newer: (ty to Kirk in the comments below)
$ sudo chown -R $(whoami) $(brew --prefix)/*
Previous versions of macos:
$ sudo chown -R $USER:admin /usr/local/include
Then do another
$ brew doctor
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How can I convert my device token (NSData) into an NSString?
...ems a bad idea to use description : nothing ensures that later version of iOS will not change the implementation and result of this call.
– madewulf
Nov 14 '12 at 14:00
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How to send email from Terminal?
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Note all this solutions assume you have a locally installed MTA
– Miquel
Nov 24 '11 at 18:07
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How to develop Desktop Apps using HTML/CSS/JavaScript? [closed]
First, I'm not interested in doing this professionally. I am a web developer, a coworker of mine recently left for Spotify and said he will be working mostly in JavaScript for the Spotify Desktop app. He said it uses "Chrome frame" and everything inside is done like a web app (HTML/JS/CSS).
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Difference between java.util.Random and java.security.SecureRandom
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The standard Oracle JDK 7 implementation uses what's called a Linear Congruential Generator to produce random values in java.util.Random.
Taken from java.util.Random source code (JDK 7u2), from a comment on the method protected int next(int bits), which is the one that genera...