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PHP shell_exec() vs exec()
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shell_exec returns all of the output stream as a string. exec returns the last line of the outp...
Which, if any, C++ compilers do tail-recursion optimization?
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Way to read first few lines for pandas dataframe
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185
I think you can use the nrows parameter. From the docs:
nrows : int, default None
Number ...
Is \d not supported by grep's basic expressions?
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edited Oct 16 '15 at 19:11
rogerdpack
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How do I convert a string to a double in Python?
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>>> x = "2342.34"
>>> float(x)
2342.3400000000001
There you go. Use float (...
jquery how to empty input field
...ve a numeric input like so <input type="number" min="0' max="10" value="5"></input>? I guess said differently, are you allowed to set a numeric input to be blank?
– Kevin Wheeler
Jun 10 '15 at 21:49
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Cannot deserialize the JSON array (e.g. [1,2,3]) into type ' ' because type requires JSON object (e.
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Set a persistent environment variable from cmd.exe
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How do you delete an ActiveRecord object?
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585
It's destroy and destroy_all methods, like
user.destroy
User.find(15).destroy
User.destroy(15...