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Ruby, !! operator (a/k/a the double-bang) [duplicate]
...eturns the proper boolean value.
For example:
"hello" #-> this is a string; it is not in a boolean context
!"hello" #-> this is a string that is forced into a boolean
# context (true), and then negated (false)
!!"hello" #-> this is a string that is forced into a boolean
...
Check if the number is integer
...1 == 1L [1] TRUE. But my solution is better if you already get a number in string form check.integer("1000000000000000000000000000000000001") [1] TRUE
– VitoshKa
Jun 1 '15 at 19:42
...
Is there a foreach in MATLAB? If so, how does it behave if the underlying data changes?
...end
2) Loop over vector
for test = [1, 3, 4]
test
end
3) Loop over string
for test = 'hello'
test
end
4) Loop over a one-dimensional cell array
for test = {'hello', 42, datestr(now) ,1:3}
test
end
5) Loop over a two-dimensional cell array
for test = {'hello',42,datestr(now) ; 'w...
Pretty printing XML with javascript
I have a string that represents a non indented XML that I would like to pretty-print. For example:
18 Answers
...
Html helper for
...em to work with HttpPostedFileBase type of properties, but rather it seems string only. At least it never did accept pdf as as a valid extension.
– Serj Sagan
Feb 13 '13 at 4:38
...
Select 50 items from list at random to write to file
...opulation unchanged. The resulting list is
in selection order so that all sub-slices will also be valid random
samples. This allows raffle winners (the sample) to be partitioned
into grand prize and second place winners (the subslices).
Members of the population need not be hashab...
SQL Server Text type vs. varchar data type [closed]
...
TEXT is used for large pieces of string data. If the length of the field exceeed a certain threshold, the text is stored out of row.
VARCHAR is always stored in row and has a limit of 8000 characters. If you try to create a VARCHAR(x), where x > 8000, you...
Python Requests - No connection adapters
...ise:
url = '''
http://google.com
'''
because there are '\n' hide in the string. The url in fact become:
\nhttp://google.com\n
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Junit - run set up method once
...heClassYouWant.class instead of your getClass() call? This is actual Java: String.class.getName().
– stolsvik
Apr 10 '13 at 10:44
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Converting array to list in Java
...have a truly immutable list in Java 9 and 10.
Truly Immutable list
Java 9:
String[] objects = {"Apple", "Ball", "Cat"};
List<String> objectList = List.of(objects);
Java 10 (Truly Immutable list):
We can use List.of introduced in Java 9. Also other ways:
List.copyOf(Arrays.asList(integers))
A...