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How can two strings be concatenated?
...ous posters pointed out, paste can do two things:
concatenate values into one "string", e.g.
> paste("Hello", "world", sep=" ")
[1] "Hello world"
where the argument sep specifies the character(s) to be used between the arguments to concatenate,
or collapse character vectors
> x <- c("H...
java: ArrayList - how can i check if an index exists?
...t(index) == null but that not working is why there are questions like this one
– roberto tomás
May 10 '16 at 19:10
...
How to return a value from __init__ in Python?
...
__init__ is required to return None. You cannot (or at least shouldn't) return something else.
Try making whatever you want to return an instance variable (or function).
>>> class Foo:
... def __init__(self):
... return 42
...
>&g...
How to add extension methods to Enums
...xtend them, like:
enum Duration { Day, Week, Month };
static class DurationExtensions
{
public static DateTime From(this Duration duration, DateTime dateTime)
{
switch (duration)
{
case Day: return dateTime.AddDays(1);
case Week: return dateTime.AddDays(7);
case...
How to pass command line arguments to a shell alias? [duplicate]
...ho "First: $1"; echo "Second: $2"; };_blah'
Running the following:
blah one two
Gives the output below:
First: one
Second: two
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Redis: Show database size/size for keys
...ying anything with DEBUG on AWS ElastiCache Redis, docs.aws.amazon.com/AmazonElastiCache/latest/UserGuide/…. Even found redis-cli --bigkeys would stall
– sonjz
Apr 12 '18 at 20:53
...
How do I load my script into the node.js REPL?
...p a new StackOverflow question if your question does not match an existing one :-)
– vossad01
Aug 21 '17 at 20:34
@Che...
Detecting syllables in a word
...ncing dictionary for north american english words. it splits words into phonemes, which are shorter than syllables (e.g. the word 'cat' is split into three phonemes: K - AE - T). but vowels also have a "stress marker": either 0, 1, or 2, depending on the pronunciation of the word (so AE in 'cat' b...
Where does PHP store the error log? (php5, apache, fastcgi, cpanel)
...f php is an apache2" not on RHEL etc, where the package's name is 'httpd'. One really cannot assume that a package's name is consistent across distros.
– chelmertz
May 14 '13 at 9:07
...
How to get method parameter names?
...or you.
>>> inspect.getfullargspec(a_method)
(['arg1', 'arg2'], None, None, None)
The other results are the name of the *args and **kwargs variables, and the defaults provided. ie.
>>> def foo(a, b, c=4, *arglist, **keywords): pass
>>> inspect.getfullargspec(foo)
(['a...