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How to use arguments from previous command?
...nd entry in the history (if it's still available depending on your history settings). Useful if you display the history number in each prompt.
– 816-8055
Nov 22 '19 at 13:32
a...
Convert base-2 binary number string to int
...
You use the built-in int function, and pass it the base of the input number, i.e. 2 for a binary number:
>>> int('11111111', 2)
255
Here is documentation for python2, and for python3.
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How do I upload a file with metadata using a REST web service?
...content"
}
The client can then use this ContentUrl and do a PUT with the file data.
The nice thing about this approach is when your server starts get weighed down with immense volumes of data, the url that you return can just point to some other server with more space/capacity. Or you could impl...
How to remove all line breaks from a string
... @PointedEars Yes, but HTML serialization doesn’t occur when setting the textarea’s .value dynamically, e.g. textarea.value = 'a\u2029b'; textarea.value.charAt(1) == '\u2029'; // true. But this is probably an edge case — as I said, in most cases your regex is sufficient.
...
Rails I18n validation deprecation warning
...s not using I18n 0.6.8, it has a bug that prevents the configuration to be set correctly.
Short answer
In order to silence the warning edit the application.rb file and include the following line inside the Rails::Application body
config.i18n.enforce_available_locales = true
The possible value...
What is the difference between Ruby 1.8 and Ruby 1.9
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How to skip “are you sure Y/N” when deleting files in batch files
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Is it possible to have multiple statements in a python lambda expression?
I am a python newbie trying to achieve the following:
17 Answers
17
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How to read a single character from the user?
... import sys, tty, termios
fd = sys.stdin.fileno()
old_settings = termios.tcgetattr(fd)
try:
tty.setraw(sys.stdin.fileno())
ch = sys.stdin.read(1)
finally:
termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
return ch...