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Sleep until a specific time/date
...ch - $current_epoch ))
sleep $sleep_seconds
To add precision down to nanoseconds (effectively more around milliseconds) use e.g. this syntax:
current_epoch=$(date +%s.%N)
target_epoch=$(date -d "20:25:00.12345" +%s.%N)
sleep_seconds=$(echo "$target_epoch - $current_epoch"|bc)
sleep $sleep_seco...
Is Disney's FastPass Valid and/or Useful Queue Theory
...isney Experience" becomes equivalent to standing in lines forever, Disney loses. Even if you don't spend a nickel while holding the FastPass, Disney and you both still win.
– Cheeso
Jun 11 '09 at 21:51
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Why is the .bss segment required?
...g many uninitialized buffers 4096 bytes in length. Would you want all of those 4k buffers to contribute to the size of the binary? That would be a lot of wasted space.
– Jeff Mercado
Mar 2 '12 at 15:02
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Differences between Oracle JDK and OpenJDK
...e Java specification passed the TCK (Java Technology Certification Kit).
Most of the vendors of JDK are written on top of OpenJDK by doing a few tweaks to [mostly to replace licensed proprietary parts / replace with more high-performance items that only work on specific OS] components without break...
Adaptive segue in storyboard Xcode 6. Is push deprecated?
...’ instead of ‘Push’
How can I make "show" work like push? Is it possible or should I use
"push (depricated)" instead?
It should; it does for me. I am using Xcode 6 beta 2 and to test I used the single view template (calling the pre made view controller in IB ‘VC_A’). I then added a...
Significant new inventions in computing since 1980
This question arose from comments about different kinds of progress in computing over the last 50 years or so.
129 Answer...
What are the rules about using an underscore in a C++ identifier?
...n C++11):
Reserved in any scope, including for use as implementation macros:
identifiers beginning with an underscore followed immediately by an uppercase letter
identifiers containing adjacent underscores (or "double underscore")
Reserved in the global namespace:
identifiers beginning with a...
How to configure an app to run correctly on a machine with a high DPI setting (e.g. 150%)?
...ml version="1.0" encoding="utf-8"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3" >
<assemblyIdentity version="1.0.0.0" name="MyApplication.app"/>
<trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"&g...
How can I plot with 2 different y-axes?
I would like superimpose two scatter plots in R so that each set of points has its own (different) y-axis (i.e., in positions 2 and 4 on the figure) but the points appear superimposed on the same figure.
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Do HttpClient and HttpClientHandler have to be disposed between requests?
...d System.Net.Http.HttpClientHandler in .NET Framework 4.5 implement IDisposable (via System.Net.Http.HttpMessageInvoker ).
...