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How to implement a good __hash__ function in python [duplicate]
...t for immutable objects.
A trivial implementation would be to just return 0. This is always correct, but performs badly.
Your solution, returning the hash of a tuple of properties, is good. But note that you don't need to list all properties that you compare in __eq__ in the tuple. If some propert...
Maven plugins can not be found in IntelliJ
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I had the same problem in IntelliJ 14.0.1
I could solve it by enabling "use plugin registry" in the maven settings of IntelliJ.
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Left align two graph edges (ggplot)
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+50
Try this,
gA <- ggplotGrob(A)
gB <- ggplotGrob(B)
maxWidth = grid::unit.pmax(gA$widths[2:5], gB$widths[2:5])
gA$widths[2:5]...
How to access java-classes in the default-package?
...icated package and add this "package" directive at its beginning.
Update 2014: bug 6975015, for JDK7 and JDK8, describe an even stricter prohibition against import from unnamed package.
The TypeName must be the canonical name of a class type, interface type, enum type, or annotation type.
The type...
SSH configuration: override the default username [closed]
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edited Dec 28 '19 at 13:02
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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vagrant up failed, /dev/vboxnetctl: no such file or directory
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I'm running macOS High Sierra 10.13.1 and VirtualBox 5.2.2.
This worked for me:
Grant permission to VirtualBox under System Preferences > Security & Privacy > General (this request is new to macOS High Sierra)
Open Terminal and run: sudo "/Libra...
How to determine MIME type of file in android?
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edited May 23 '15 at 16:40
Jared Burrows
48.5k2121 gold badges136136 silver badges173173 bronze badges
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Wait until a process ends
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403
I think you just want this:
var process = Process.Start(...);
process.WaitForExit();
See the...
How to randomly select rows in SQL?
I am using MSSQL Server 2005. In my db, I have a table "customerNames" which has two columns "Id" and "Name" and approx. 1,000 results.
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javac error: Class names are only accepted if annotation processing is explicitly requested
...he file name in this line:
javac -cp /home/manish.yadav/Desktop/JCuda-All-0.3.2-bin-linux-x86_64 EnumDevices
From the official faq:
Class names, 'HelloWorldApp', are only accepted if annotation processing is explicitly requested
If you receive this error, you forgot to include the .java ...