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How to set up Spark on Windows?
...he executable winutils from the Hortonworks repository, or from Amazon AWS platform winutils.
Create a directory where you place the executable winutils.exe. For example, C:\SparkDev\x64. Add the environment variable %HADOOP_HOME% which points to this directory, then add %HADOOP_HOME%\bin to PATH.
U...
Using numpad in Vi (Vim) via PuTTY
...Y does not have an "Edit" menu. Where is "Edit"? What application? On what platform? For instance, the Ubuntu application "Terminal" does not have a menu item named "Edit".
– Peter Mortensen
Apr 15 '19 at 14:11
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Why would one declare a Java interface method as abstract?
...ce."
For Java SE 5.0: "For compatibility with older versions of the Java platform, it is permitted but discouraged, as a matter of style, to redundantly specify the abstract modifier for methods declared in interfaces."
sh...
How to log cron jobs?
...lar results go to stdout
echo "$0: something went wrong" >&2
Some platforms (and e.g. GNU Awk) allow you to use the file name /dev/stderr for error messages, but this is not properly portable; in Perl, warn and die print to standard error; in Python, write to sys.stderr, or use logging; in ...
When should std::move be used on a function return value? [duplicate]
...4-bit mingw is odd. I can't off-hand think of a reason why the compiler or platform authors would intend that.
– Steve Jessop
Oct 12 '15 at 9:33
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How do I obtain crash-data from my Android application?
...that has to be a change in the OS and not only the market. But it says: Platforms 1 reports reports/week and the droid shouldn't be on froyo.
– Janusz
May 31 '10 at 7:02
1
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How can I run PowerShell with the .NET 4 runtime?
...>
Additional, quick setup notes:
Locations and files are somewhat platform dependent; however will give you an inline gist of how to make the solution work for you.
You can find PowerShell's location on your computer by executing cd $pshome in the Powershell window (doesn't work from DOS ...
Learning Ruby on Rails
...ersonal machine. I love Ubuntu, and consider it a great OS and development platform but there's a tiny bit more icing on the Mac's cake that my music and photography take advantage of. So, either Ubuntu, Ubuntu Mint or Mac OS get my recommendation.
– the Tin Man
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Is it better to reuse a StringBuilder in a loop?
...the better approach. Your attempts to optimize may result in gains in some platform, but potentially losses others.
But if you really are running into issues with performance, then sure, optimize away. I'd start with explicitly specifying the buffer size of the StringBuilder though, per Jon Skeet.
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What is the difference between == and Equals() for primitives in C#?
...Int32, such a view is contradicted by the requirement that a code run on a platform whose spec regards values and objects as inhabiting different universes. Further, if T is a reference type, and x is a T, then a reference of type T should be able to refer to x. Thus, if a variable v of type Int32...