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How to read a single char from the console in Java (as the user types it)?
Is there an easy way to read a single char from the console as the user is typing it in Java? Is it possible? I've tried with these methods but they all wait for the user to press enter key:
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defaultdict of defaultdict?
... d[Key_doesnt_exist] will be defaultdict(int).
If you try to access a key from this last defaultdict i.e. d[Key_doesnt_exist][Key_doesnt_exist] it will return 0, which is the return value of the argument of the last defaultdict i.e. int().
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Disallow Twitter Bootstrap modal window from closing
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Check answer from @@Varun Chatterji and include this on your modal definition
– Leandro
May 26 '14 at 13:21
1
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Permission denied on accessing host directory in Docker
...m trying to mount a host directory in Docker, but then I can not access it from within the container, even if the access permissions look good.
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getResourceAsStream returns null
I'm loading a text file from within a package in a compiled JAR of my Java project. The relevant directory structure is as follows:
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SVN - Checksum mismatch while updating
When I try to update some files from Subversion, I get the error:
15 Answers
15
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Serving gzipped CSS and JavaScript from Amazon CloudFront via S3
... the highest compression level (assuming gzip -9).
You're serving the file from a CDN.
Assuming that your CSS/JavaScript files are (a) minified and (b) large enough to justify the CPU required to decompress on the user's machine, you can get significant performance gains here.
Just remember: If y...
How to divide flask app into multiple py files?
...age>')
def show(page):
# stuff
And then use it in the main part:
from yourapplication.simple_page import simple_page
app = Flask(__name__)
app.register_blueprint(simple_page)
Blueprints can also bundle specific resources: templates or static files. Please refer to the Flask docs for all...
Why use Ruby's attr_accessor, attr_reader and attr_writer?
...tten assuming that age, once set, does not change, then a bug could result from code calling that mutator.
But what is happening behind the scenes?
If you write:
attr_writer :age
That gets translated into:
def age=(value)
@age = value
end
If you write:
attr_reader :age
That gets transla...
Why do Lua arrays(tables) start at 1 instead of 0?
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Lua is descended from Sol, a language designed for petroleum engineers with no formal training in computer programming. People not trained in computing think it is damned weird to start counting at zero. By adopting 1-based array and string...