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How can I declare optional function parameters in Javascript? [duplicate]
...ES5:
function myFunc(a,b) {
b = b || 0;
// b will be set either to b or to 0.
}
This works as long as all values you explicitly pass in are truthy.
Values that are not truthy as per MiniGod's comment: null, undefined, 0, false, ''
It's pretty common to see JavaScript libraries to do a bunch...
Replace whitespaces with tabs in linux
...ks in each FILE to tabs, writing to standard output. With
no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options
too.
-a, --all
convert all blanks, instead of just initial blanks
--...
How to check if running in Cygwin, Mac or Linux?
... Windows/Cygwin and Mac and Linux. It needs slightly different variables for each versions.
11 Answers
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range() for floats
Is there a range() equivalent for floats in Python?
21 Answers
21
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How to copy files across computers using SSH and MAC OS X Terminal [closed]
...how to use the cp and ssh commands but I'm not sure how to use them in order to transfer files from one computer to another.
...
Utils to read resource text file to String (Java) [closed]
...
Yes, Guava provides this in the Resources class. For example:
URL url = Resources.getResource("foo.txt");
String text = Resources.toString(url, StandardCharsets.UTF_8);
share
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python: How do I know what type of exception occurred?
...explanation. Basically, it's so that you don't hide:
the fact that an error occurred
the specifics of the error that occurred (error hiding antipattern)
So as long as you take care to do none of those things, it's OK to catch the generic exception. For instance, you could provide information ab...
How do I represent a hextile/hex grid in memory?
...ionships Between Parts section of my grids article at www-cs-students.stanford.edu/~amitp/game-programming/grids (the diagrams are for square grids but the table includes the formulas for axial hex grids also)
– amitp
Jun 7 '13 at 0:58
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Should you ever use protected member variables?
...
Can you comment on performance of protected variables vs a private variable with an get/set method?
– Jake
Jun 24 '10 at 13:56
3...
How do I trim whitespace?
...
For whitespace on both sides use str.strip:
s = " \t a string example\t "
s = s.strip()
For whitespace on the right side use rstrip:
s = s.rstrip()
For whitespace on the left side lstrip:
s = s.lstrip()
As thedz points ou...