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Take a char input from the Scanner
...seDelimiter("");
After this reader.next() will return a single-character string.
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How to retrieve the first word of the output of a command in bash?
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It should be "leading" whitespace (at the begin of the string), not "trailing".
– user202729
Oct 28 '18 at 13:42
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How do I parse JSON with Ruby on Rails? [duplicate]
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These answers are a bit dated. Therefore I give you:
hash = JSON.parse string
Rails should automagically load the json module for you, so you don't need to add require 'json'.
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TypeError: Cannot read property 'then' of undefined
Above function return a string like "failed".
However, when I try to run then function on it, it will return error of
2 Ans...
Which iomanip manipulators are 'sticky'?
I recently had a problem creating a stringstream due to the fact that I incorrectly assumed std::setw() would affect the stringstream for every insertion, until I changed it explicitly. However, it is always unset after the insertion.
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What is the minimum valid JSON?
...json.org/ but I'm not sure I know the answer to the simple question. What strings are the minimum possible valid JSON?
8 A...
Check time difference in Javascript
...8800000 => hh = 8, mm = 0, ss = 0, msec = 0
You can convert time as string to 24-hour format like this:
function parseTime(s) {
var part = s.match(/(\d+):(\d+)(?: )?(am|pm)?/i);
var hh = parseInt(part[1], 10);
var mm = parseInt(part[2], 10);
var ap = part[3] ? part[3].toUpper...
How to do an instanceof check with Scala(Test)
...classTag[T].runtimeClass
MatchResult(
obj.getClass == cls,
obj.toString + " was not an instance of " + cls.toString,
obj.toString + " was an instance of " + cls.toString
)
}
def anInstanceOf[T:ClassTag] = BeMatcher { obj: Any =>
val cls = classTag[T].runtimeClass
MatchResult(...
Convert String to Float in Swift
...to convert numbers taken from a UITextField, which I presume, are actually Strings, and convert them to Float, so I can multiply them.
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How can I process each letter of text using Javascript?
I would like to alert each individual letter of a string, but I am unsure how to do this.
23 Answers
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