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Bash if [ false ] ; returns true
...s if the command you give it succeeds or fails. The test command takes an expression and succeeds if the expression is true; a non-empty string is an expression that evaluates as true, just as in most other programming languages. false is a command which always fails. (By analogy, true is a command ...
Linux command (like cat) to read a specified quantity of characters
Is there a command like cat in linux which can return a specified quantity of characters from a file?
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How can I convert a hex string to a byte array? [duplicate]
Can we convert a hex string to a byte array using a built-in function in C# or do I have to make a custom method for this?
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bash: shortest way to get n-th column of output
...wing form of columnized output from some command in bash (in my case from executing svn st in my Rails working directory):
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How to create EditText with cross(x) button at end of it?
Is there any widget like EditText which contains a cross button, or is there any property for EditText by which it is created automatically? I want the cross button to delete whatever text written in EditText .
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How do I print the full value of a long string in gdb?
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You may also need to "set max-value-size unlimited".
– ams
Oct 30 '18 at 20:22
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Check if two unordered lists are equal [duplicate]
... If you convert both lists to sets, the comparison will be unordered.
set(x) == set(y)
Documentation on set
EDIT: @mdwhatcott points out that you want to check for duplicates. set ignores these, so you need a similar data structure that also keeps track of the number of items in each list. Thi...
How to find all positions of the maximum value in a list?
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>>> m = max(a)
>>> [i for i, j in enumerate(a) if j == m]
[9, 12]
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Is there an equivalent of lsusb for OS X
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I got tired of forgetting the system_profiler SPUSBDataType syntax, so I made an lsusb alternative. You can find it here , or install it with homebrew:
brew install lsusb
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Rename Pandas DataFrame Index
I've a csv file without header, with a DateTime index. I want to rename the index and column name, but with df.rename() only the column name is renamed. Bug? I'm on version 0.12.0
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