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Best practices/performance: mixing StringBuilder.append with String.concat
...r char[].
That being said you should use append() all the time and append raw strings (your first code snippet is correct).
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How to use the PI constant in C++
...383279502884 (roughly speaking). I wouldn't bet on it. Be normal and use a raw literal to define the constant. Why lose precision when you don't need to?
– Thomas Eding
Oct 23 '12 at 23:49
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How do you run a single test/spec file in RSpec?
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The raw invocation:
rake spec SPEC=spec/controllers/sessions_controller_spec.rb \
SPEC_OPTS="-e \"should log in with cookie\""
Now figure out how to embed this into your editor.
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Xcode debugging - displaying images
...l tools.
What i'm doing to test images while debugging is to convert that raw data into an image-file format, like .png, and then saving it somewhere, and then i'm opening the image with any image viewing tool.
I have a piece of code for that purpose, which look basically like that:
NSData *image...
How to make the hardware beep sound in Mac OS X 10.6
...nks! Here is a list of other options if anyone is interested: pastebin.com/raw.php?i=czJ8MVW3
– Andrei
Mar 24 '13 at 14:28
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Ubuntu, vim, and the solarized color palette
... >> .vimrc
echo "colorscheme solarized" >> .vimrc
curl https://raw.github.com/seebi/dircolors-solarized/master/dircolors.256dark > ~/.dircolors
source .bashrc
rm -r solarized
rm solarized.zip
And presto
shar...
How to fix the uninitialized constant Rake::DSL problem on Heroku?
....9.1/rake.rb:2373:in `load'
/usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:2373:in `raw_load_rakefile'
/usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:2007:in `block in load_rakefile'
/usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:2058:in `standard_exception_handling'
/usr/ruby1.9.2/lib/ruby/1.9.1/rake.rb:2006:in `load_rakefil...
Differences between socket.io and websockets
...n disable Ajax long-polling and directly connect via WebSocket just like a raw WebSocket connection. In this way, you get everything except the 180kb library as equals. Using WebSocket directly is painful unless you just need the bare minimum. Dropping rooms and access to the community IP is daun...
How to inspect FormData?
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console.log(...fd)
Longer answer
If you would like to inspect what the raw body would look like then you could use the Response constructor (part of fetch API)
var fd = new FormData
fd.append("key1", "value1")
fd.append("key2", "value2")
new Response(fd).text().then(console.log)
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git pull fails “unable to resolve reference” “unable to update local ref”
...s' question, it lacks some explaining words and/or links to documentation. Raw code snippets are not very helpful without some phrases around them. You may also find how to write a good answer very helpful. Please edit your answer.
– Roy Scheffers
Nov 23 '18 at...