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How to wait for several Futures?
...comprehension, we wait until the results 1 and then 2 and then 3 are available. If either 1 or 2 fails, we will not wait for 3 anymore. If all 3 succeed, then the aggFut val will hold a tuple with 3 slots, corresponding to the results of the 3 futures.
Now if you need the behavior where you wan...
In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?
... format: short day of week, short month, day of month without leading zero but including "th", "st", "nd", or "rd" suffix.
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Regular Expressions: Is there an AND operator?
Obviously, you can use the | (pipe?) to represent OR , but is there a way to represent AND as well?
12 Answers
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Python's “in” set operator
I'm a little confused about the python in operator for sets.
5 Answers
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What do *args and **kwargs mean? [duplicate]
... function definition’s argument list allows that function to accept an arbitrary number of arguments and/or keyword arguments.
For example, if you wanted to write a function that returned the sum of all its arguments, no matter how many you supply, you could write it like this:
def my_sum(*args)...
transform object to array with lodash
How can I transform a big object to array with lodash?
11 Answers
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Batch File; List files in directory, only filenames?
This is probably a very simple question, but I'm having trouble with it. Basically, I am trying to write a Batch File and I need it to list all the files in a certain directory. The dir command will do this, but it also gives a bunch of other information; I want it to list ONLY the file names an...
What's the difference between lists and tuples?
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Apart from tuples being immutable there is also a semantic distinction that should guide their usage. Tuples are heterogeneous data structures (i.e., their entries have different meanings), while lists are homogeneous sequences. Tuples have st...
grep a file, but show several surrounding lines?
I would like to grep for a string, but also show the preceding five lines and the following five lines as well as the matched line. How would I be able to do this?
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How can I see the size of files and directories in linux? [closed]
...use df -m , then it shows the size of all the directory at the top level, but, for the directories and files inside the directory, how do I check the size?
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