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Add leading zeroes to number in Java? [duplicate]
...its, and I feel like it should be in the library somewhere (like Integer.toString(x,"%3d") or something)
5 Answers
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Converting ISO 8601-compliant String to java.util.Date
I am trying to convert an ISO 8601 formatted String to a java.util.Date .
29 Answers
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Javascript and regex: split string and keep the separator
I have a string:
7 Answers
7
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Split by comma and strip whitespace in Python
...list comprehension -- simpler, and just as easy to read as a for loop.
my_string = "blah, lots , of , spaces, here "
result = [x.strip() for x in my_string.split(',')]
# result is ["blah", "lots", "of", "spaces", "here"]
See: Python docs on List Comprehension
A good 2 second explanation of lis...
Create an enum with string values
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TypeScript 2.4
Now has string enums so your code just works:
enum E {
hello = "hello",
world = "world"
};
????
TypeScript 1.8
Since TypeScript 1.8 you can use string literal types to provide a reliable and safe experience for named st...
Reasons for using the set.seed function
...set the seed (or choose a seed to pass into set.seed) based on a character string. For example you could have students use their name as the seed then each student has a unique dataset but the instructor can also create the same datasets for grading.
– Greg Snow
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How to initialize HashSet values by construction?
... I use that is not very time efficient, but fits on a single line:
Set<String> h = new HashSet<>(Arrays.asList("a", "b"));
Again, this is not time efficient since you are constructing an array, converting to a list and using that list to create a set.
When initializing static final s...
Java - sending HTTP parameters via POST method easily
... after you have opened the connection.
This code should get you started:
String urlParameters = "param1=a&param2=b&param3=c";
byte[] postData = urlParameters.getBytes( StandardCharsets.UTF_8 );
int postDataLength = postData.length;
String request = "http://example.com/inde...
How can I check if string contains characters & whitespace, not just whitespace?
What is the best way to check if a string contains only whitespace?
9 Answers
9
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Get the index of the nth occurrence of a string?
...built-in method, what is the quickest way to get the n th occurrence of a string within a string?
10 Answers
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