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How do you create a dictionary in Java? [closed]
...ned/optimized for certain situations (go to their respective docs for more info). HashMap is probably the most common; the go-to default.
For example (using a HashMap):
Map<String, String> map = new HashMap<String, String>();
map.put("dog", "type of animal");
System.out.println(map.get...
How to split a delimited string in Ruby and convert it to an array?
...it method
"1,2,3,4".split(',') # "1", "2", "3", "4"]
you can find more info on how to use the split method in the ruby docs
Divides str into substrings based on a delimiter, returning an array
of these substrings.
If pattern is a String, then its contents are used as the delimiter
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How to remove leading and trailing zeros in a string? Python
...zeros, use .rstrip instead (and .lstrip for only the leading ones).
[More info in the doc.]
You could use some list comprehension to get the sequences you want like so:
trailing_removed = [s.rstrip("0") for s in listOfNum]
leading_removed = [s.lstrip("0") for s in listOfNum]
both_removed = [s.str...
How to create a self-signed certificate for a domain name for development?
... it will spare you some of my own painful learning curve. It also contains infos on related topics that will pop up sooner or later when you create your own certs.
Create a self-signed certificate on Windows 10 and below
Don't use makecert.exe. It has been deprecated by Microsoft.
The modern way u...
Convert NSDate to NSString
...he current week not day. Use "yyyy" instead. See this SO question for more info. stackoverflow.com/questions/15133549/…
– Steve Moser
Dec 30 '14 at 19:55
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Javascript roundoff number to nearest 0.5
...nd(-0.5) returns 0, but it should be -1 according to the math rules.
More info: Math.round()
and Number.prototype.toFixed()
function round(number) {
var value = (number * 2).toFixed() / 2;
return value;
}
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Git and Mercurial - Compare and Contrast
... for files, being a symbolic link), commit object which contain authorship info, pointer to snapshot of state of repository at revision represented by a commit (via a tree object of top directory of project) and references to zero or more parent commits, and tag objects which reference other objects...
Regular expression for a hexadecimal number?
...pt, python , golang, etc.).
This answer was taken from:http://ult-tex.net/info/perl/
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in Ipython notebook / Jupyter, Pandas is not displaying the graph I try to plot
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This is the new correct answer. More info in this blog post.
– Scott Lowrey
Apr 15 '15 at 17:21
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How to Append in javascript? [duplicate]
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Nice! Thanks for the info.
– Boyan
Nov 24 '14 at 10:45
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