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Do I really have a car in my garage? [duplicate]
...e a base class stands fine on it's own, but you might also want to inherit from it. Continuing with the Vehicle example, you may have a Boat in your garage that has all the information you need to operate your boat. But your neighbor may have a SkiBoat, which might also have a method for the lengt...
Transpose list of lists
...in args is a separate positional argument of f.
Coming back to the input from the question l = [[1, 2, 3], [4, 5, 6], [7, 8, 9]], zip(*l) would be equivalent to zip([1, 2, 3], [4, 5, 6], [7, 8, 9]). The rest is just making sure the result is a list of lists instead of a list of tuples.
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Chrome: timeouts/interval suspended in background tabs?
...d performance on-demand for a browser game that uses WebSockets, so I know from experience that using WebSockets doesn't ensure unlimited performance, but from tests, playing an audio file seems to ensure it
Here's 2 empty audio loops I created for this purpose, you can use them freely, commerciall...
filename and line number of python script
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Thanks to mcandre, the answer is:
#python3
from inspect import currentframe, getframeinfo
frameinfo = getframeinfo(currentframe())
print(frameinfo.filename, frameinfo.lineno)
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Reading a simple text file
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This is how I do it:
public static String readFromAssets(Context context, String filename) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(context.getAssets().open(filename)));
// do reading, usually loop until end of file r...
How can I use grep to find a word inside a folder?
...led just "files" in Windows).
grep -nr string reads the content to search from the standard input, that is why it just waits there for input from you, and stops doing so when you press ^C (it would stop on ^D as well, which is the key combination for end-of-file).
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Output to the same line overwriting previous output?
... same code on Python 2.6+, put the following line at the top of the file:
from __future__ import print_function
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How to plot two columns of a pandas data frame using points?
I have a pandas data frame and would like to plot values from one column versus the values from another column. Fortunately, there is plot method associated with the data-frames that seems to do what I need:
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Storing money in a decimal column - what precision and scale?
... a popular choice (a quick Google bears this out). I think this originates from the old VBA/Access/Jet Currency data type, being the first fixed point decimal type in the language; Decimal only came in 'version 1.0' style (i.e. not fully implemented) in VB6/VBA6/Jet 4.0.
The rule of thumb for stora...
Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
... note
We know that the standard says undefined behavior is unpredictable from the note that come with the definition which says:
[ Note: Undefined behavior may be expected when this International
Standard omits any explicit definition of behavior or when a program
uses an erroneous constru...