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Ruby - elegantly convert variable to an array if not an array already
...ent, or nil, obtain an array - the latter two being a single element array and an empty array respectively.
10 Answers
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How can I change the default Django date template format?
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Link to docs isn't really an answer, so downvoted this and upvoted medmunds' answer.
– eric
Aug 21 '17 at 1:57
add a comment
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How to check a string for specific characters?
...ic than the above...
s.find('$')==-1 # not found
s.find('$')!=-1 # found
And so on for other characters.
... or
pattern = re.compile(r'\d\$,')
if pattern.findall(s):
print('Found')
else
print('Not found')
... or
chars = set('0123456789$,')
if any((c in chars) for c in s):
print('F...
Modulus % in Django template
...oint to mark this answer as the correct one. because it focuses on modulor and not a workaround...
– underdoeg
Dec 13 '11 at 19:02
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How do I get the path to the current script with Node.js?
...hrough the documentation again. What I was looking for were the __filename and __dirname module-level variables.
__filename is the file name of the current module. This is the resolved absolute path of the current module file. (ex:/home/kyle/some/dir/file.js)
__dirname is the directory name of the...
Change GitHub Account username
... question. But it's misleading, as this was the first result in my search, and both the answers aren't correct anymore.
You can change your Github account name at any time.
To do this, click your profile picture > Settings > Account Settings > Change Username.
Links to your repositories...
Remove/Add Line Breaks after Specific String using Sublime Text
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Here's how you'd do it on a Mac:
Command+F > type string > Control+Command+G > ESC > Right Arrow > line break
and Windows/Linux (untested):
Control+F > type string > Alt+F3 > ESC > Right Arrow > line break
The important par...
“No newline at end of file” compiler warning
...he problems that can occur if there is no newline. According to the ANSI standard the #include of a file at the beginning inserts the file exactly as it is to the front of the file and does not insert the new line after the #include <foo.h> after the contents of the file. So if you include a f...
Two arrays in foreach loop
... generate a selectbox using two arrays, one containing the country codes and another containing the country names.
22 Ans...
How to check type of variable in Java?
...pe).
The examples you gave (int, array, double) these are all primitives, and there are no sub-types of them. Thus, if you declare a variable to be an int:
int x;
You can be sure it will only ever hold int values.
If you declared a variable to be a List, however, it is possible that the variab...