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Switch statement fallthrough in C#?
Switch statement fallthrough is one of my personal major reasons for loving switch vs. if/else if constructs. An example is in order here:
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TypeScript function overloading
...erent if we compare to OO languages. In answer to another SO question, someone explained it with a nice example: Method overloading?.
Basically, what we are doing is, we are creating just one function and a number of declarations so that TypeScript doesn't give compile errors. When this code is com...
Delete an element from a dictionary
...a time when i wanted copies of the dictionary, i've always relied on 'everyones' copy being the same. great point.
– tMC
Apr 30 '11 at 21:38
30
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Check if a string contains one of 10 characters
I'm using C# and I want to check if a string contains one of ten characters, *, &, # etc etc.
6 Answers
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Understanding the map function
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map doesn't relate to a Cartesian product at all, although I imagine someone well versed in functional programming could come up with some impossible to understand way of generating a one using map.
map in Python 3 is equivalent to this:
def map(func, iterable):
for i in iterable:
y...
Why can't I use Docker CMD multiple times to run multiple services?
...mmand, which is what you are experiencing. At all times, there can be only one CMD.
If you want to run multiple services, I indeed would use supervisor. You can make a supervisor configuration file for each service, ADD these in a directory, and run the supervisor with supervisord -c /etc/superviso...
Change column type from string to float in Pandas
...d usage of each of these methods.
1. to_numeric()
The best way to convert one or more columns of a DataFrame to numeric values is to use pandas.to_numeric().
This function will try to change non-numeric objects (such as strings) into integers or floating point numbers as appropriate.
Basic usage
Th...
Changing git commit message after push (given that no one pulled from remote)
...mmit message. If I understand correctly, this is not advisable because someone might have pulled from the remote repository before I make such changes. What if I know that no one has pulled?
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How does `is_base_of` work?
...* than D* to B*.
Now what user defined conversion sequence is better? The one for the second or the first check function? The rule is that user defined conversion sequences can only be compared if they use the same conversion function or constructor according to 13.3.3.2/3b2. This is exactly the ca...
How do I remove duplicate items from an array in Perl?
...q4:
sub uniq {
my %seen;
grep !$seen{$_}++, @_;
}
my @array = qw(one two three two three);
my @filtered = uniq(@array);
print "@filtered\n";
Outputs:
one two three
If you want to use a module, try the uniq function from List::MoreUtils
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