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Difference in System. exit(0) , System.exit(-1), System.exit(1 ) in Java
...) and according to range:
1-127 are user defined codes (so generated by calling exit(n))
128-255 are codes generated by termination due to different unix signals like SIGSEGV or SIGTERM
But I don't think you should care while coding on Java, it's just a bit of information. It's useful if you pla...
How do I call a dynamically-named method in Javascript?
I am working on dynamically creating some JavaScript that will be inserted into a web page as it's being constructed.
9 An...
How to define object in array in Mongoose schema correctly with 2d geo index
...[Object]. Somehow I have no idea how this should work, as I tried at least all approaches which made sense to me ;-)
4 Answ...
Difference between static and shared libraries?
...
Shared libraries are .so (or in Windows .dll, or in OS X .dylib) files. All the code relating to the library is in this file, and it is referenced by programs using it at run-time. A program using a shared library only makes reference to the code that it uses in the shared library.
Static librar...
Can you make valid Makefiles without tab characters?
... 2. The tab character is a very important part of the syntax of Makefiles. All command lines (the lines beginning with cc in our example) must start with tabs. After he made his change, line 2 didn’t, hence the error.
“So what?” you ask, “What’s wrong with that?”
There is nothi...
ruby 1.9: invalid byte sequence in UTF-8
...n't have any encoding specific options and the stuff that comes in is basically not properly tagged.
What would be the best way to actually work with that incoming data? I tried .encode with the replace and invalid options set, but no success so far...
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How to capitalize the first letter in a String in Ruby
...e.to_s # requires ActiveSupport::Multibyte
Otherwise, you'll have to install the unicode gem and use it like this:
require 'unicode'
Unicode::capitalize("мария") #=> Мария
Ruby 1.8:
Be sure to use the coding magic comment:
#!/usr/bin/env ruby
puts "мария".capitalize
give...
Where does Console.WriteLine go in ASP.NET?
... inside a TextWriter), which is a dummy implementation of Stream that basically ignores all input, and gives no output.
So it is conceptually equivalent to /dev/null, but the implementation is more streamlined: there's no actual I/O taking place with the null device.
Also, apart from calling SetOu...
What's the absurd function in Data.Void useful for?
... f -> onAwait $ \x -> foldConsumer onPure onAwait (f x)
Yield x _ -> absurd x
or alternatively, that you can ignore the yield case when dealing with consumers. This is the general version of this design pattern: use polymorphic data types and Void to get rid of possibilities when yo...
docker error: /var/run/docker.sock: no such file or directory
...ker file that runs builds an image and run the container.
I am on mac, installed boot2docker and have the DOCKER_HOST env set up.
...