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How can I get the count of milliseconds since midnight for the current?
...nt milliseconds, truncate the finer data by dividing by one million. For example, a half second is 500,000,000 nanoseconds and also is 500 milliseconds.
long millis = ( nanosFractionOfSecond / 1_000_000L ) ; // Truncate nanoseconds to milliseconds, by a factor of one million.
About java.time
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The smallest difference between 2 Angles
...les in the range -PI -> PI around a coordinate, what is the value of the smallest of the 2 angles between them?
9 Answers
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Get type name without full namespace
... premature optimisation. It creates a new StringBuilder in each recursive call (even the base case when it's unused), yet ignores the string.Join temporary and LINQ lambda. Just use String until you know it's a bottleneck. /rant
– Nigel Touch
May 30 '18 at 19:0...
How do you see recent SVN log entries?
...n the given dates:
svn log -r {2011-02-02}:{2011-02-03}
You can combine all the above expressions with the --limit option, so that can you have a quite granular control over what is printed. For more info about these -r expressions refer to svn help log or the relevant chapter in the book Version...
How can I use mySQL replace() to replace strings in multiple records?
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UPDATE some_table SET some_field = REPLACE(some_field, '<', '<')
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Does Java have something like C#'s ref and out keywords?
... From CLR perspective, you're passing a managed reference (T&) by value, yes. But C# has its own terminology, and it specifically doesn't include such things as values of type ref T - from C# perspective, ref is strictly a parameter modifier, and speaking of "passing a reference by...
Insert a line break in mailto body
... HTML formatted.
<a href="mailto:email@mycompany.com?subject=Subscribe&body=Lastame%20%3A%0D%0AFirstname%20%3A"><img alt="Subscribe" class="center" height="50" src="subscribe.png" style="width: 137px; height: 50px; color: #4da6f7; font-size: 20px; display: block;" width="137"></a...
rmagick gem install “Can't find Magick-config”
...agick@6 works for me!
brew unlink imagemagick
brew install imagemagick@6 && brew link imagemagick@6 --force
See this thread
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How to create a CPU spike with a bash command
...f=/dev/null | dd if=/dev/zero of=/dev/null | dd if=/dev/zero of=/dev/null & }; fulload; read; killall dd
Repeat the command in the curly brackets as many times as the number of threads you want to produce (here 4 threads).
Simple enter hit will stop it (just make sure no other dd is running o...
Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails
...y urls to use dash - instead of underscore _ as word separators. For example controller/my-action instead of controller/my_action .
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