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Python: fastest way to create a list of n lists
...al and can be extended in a variety of situations, after having read a dataset.
Method 1: Conceptual
X2=[]
X1=[1,2,3]
X2.append(X1)
X3=[4,5,6]
X2.append(X3)
X2 thus has [[1,2,3],[4,5,6]] ie a list of lists.
Method 2 : Formal and extensible
Another elegant way to store a list as a list of lists...
Git merge left HEAD marks in my files
... files as needing a merge.
Finally, you always have the option of:
git reset --hard # sounds like --hard is what you need but check other options
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Default value to a parameter while passing by reference in C++
Is it possible to give a default value to a parameter of a function while we are passing the parameter by reference. in C++
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Extracting double-digit months and days from a Python date [duplicate]
Is there a way to extract month and day using isoformats? Lets assume today's date is March 8, 2013.
2 Answers
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How to retrieve absolute path given relative
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use:
find "$(pwd)"/ -type f
to get all files or
echo "$(pwd)/$line"
to display full path (if relative path matters to)
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Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...ded to the standards before C++11, you have to remember that the standards-setting bodies have specific guidelines to follow. For example, ANSI C was specifically tasked to codify existing practice, not to create a new language. Otherwise, they could have gone crazy and given us Ada :-)
Later itera...
How many parameters are too many? [closed]
... bundled in a Rectangle object. style and xStyle could be combined into a set of enums or strings. Now you have only 8 parameters.
– finnw
Oct 6 '08 at 17:07
16
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SortedList, SortedDictionary and Dictionary
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Convert dd-mm-yyyy string to date
i am trying to convert a string in the format dd-mm-yyyy into a date object in JavaScript using the following:
14 Answers
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How to pass arguments to a Button command in Tkinter?
...andle(btn['command'])
You can simply think that command option should be set as, the reference to the method we want to be called, similar to callback in button_press_handle.
Calling a Method(Callback) When the Button is Pressed
Without arguments
So if I wanted to print something when the bu...