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What is the Ruby (spaceship) operator?
...,2,2]
Ruby will start comparing each element of both array from left hand side.
1 for left array is smaller than 2 of right array. Hence left array is smaller than right array. Output will be -1.
[2,3,2] <=> [2,2,2]
As above it will first compare first element which are equal then it will com...
Scala downwards or decreasing for loop?
...
Scala provides many ways to work on downwards in loop.
1st Solution: with "to" and "by"
//It will print 10 to 0. Here by -1 means it will decremented by -1.
for(i <- 10 to 0 by -1){
println(i)
}
2nd Solution: With "t...
What is aspect-oriented programming?
...re concrete example is the operating system providing access controls to a file. A software program does not need to check for access restrictions because the underlying system does that work for it.
If you think you need AOP in my experience you actually really need to be investing more time and e...
How to overwrite the previous print to stdout in python?
...er to initialize curses with something like curses.setupterm(fd=sys.stdout.fileno()), and use sys.stdout.isatty() to make sure your output isn't being redirected to a file. See code.activestate.com/recipes/475116 for a full Python module with cursor control and color support.
–...
Rails: Logging the entire stack trace of an exception
...ered Aug 15 '10 at 7:05
darkliquiddarkliquid
3,57511 gold badge2323 silver badges1616 bronze badges
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Capturing console output from a .NET application (C#)
...of your application.
Process compiler = new Process();
compiler.StartInfo.FileName = "csc.exe";
compiler.StartInfo.Arguments = "/r:System.dll /out:sample.exe stdstr.cs";
compiler.StartInfo.UseShellExecute = false;
compiler.StartInfo.RedirectStandardOutput = true;
compiler.Start();
Console.Writ...
How can I avoid running ActiveRecord callbacks?
..._without_callbacks)
Approach2:
When you want to skip them in your rspec files or whatever, try this:
User.skip_callback(:save, :after, :generate_nick_name)
User.create!()
NOTE: once this is done, if you are not in rspec environment, you should reset the callbacks:
User.set_callback(:save, :a...
Static member initialization in a class template
...
@Johannes: Dammit, I'm here for a year and I didn't know that! What else am I missing? (I still remember the shame when I discovered that the two numbers that appear when I click on the number of votes aren't a bug, but a feature.) <goes_playing> Wow, when I hover ...
Mockito: List Matchers with generics
...rk as same as anyList()? I am in Java 8 and a warning is thrown in Eclipse IDE
– Fernando Fradegrada
Jul 14 '17 at 13:47
1
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How to get Visual Studio to open Resolve Conflicts window after a TFS Get
...Visual Studio 2013 the reason for the Resolve Conflicts operation to be inside the dropdown as an entry is VS 2013 itself and not due to the Team Explorer to not be wide enough?
– sergiol
Apr 3 '17 at 14:28
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