The 's' replaces a person House match at any given time though the 's+' replaces The complete House sequence without delay with the 2nd parameter.
Even so x.replaceAll("s+", ""); might be much more effective method of trimming spaces (if string might have various contiguous Areas) mainly because of doubtless considerably less no of replacements because of the to indisputable fact that regex s+ matches 1 or more Areas simultaneously and replaces them with empty string.
so "indent" specifies just how much space to allocate with the string that follows it from the parameter checklist.
Applying %s in scanf with no an explcit industry width opens precisely the same buffer overflow exploit that receives did; namely, if you can find extra characters while in the enter stream than the target buffer is sized to hold, scanf will happily compose All those extra characters to memory outside the buffer, probably clobbering a thing vital. Sadly, as opposed to in printf, You cannot provide the field with as being a run time argument:
This really is rather regular error-examining code for a Python script that accepts command-line arguments.
The main difference more info lies in the way in which it get's handled. In the event you would have a gaggle of (one example is) 3 Areas specifically pursuing each other s+ takes that team and turns The complete it into a "", whilst s would proces every House on its own.
The %s token lets me to insert (and potentially structure) a string. Notice which the %s token is changed by whichever I go into the string once the % symbol.
Andrew HareAndrew Hare 351k7575 gold badges645645 silver badges641641 bronze badges three fifteen Be aware that this type of string interpolation is deprecated in favor of the greater effective str.structure system.
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this assignation can be done at initialization like char word="this is the word" // the phrase array of chars obtained this string now and it is statically outlined
To begin with you'll want to understand that last output of both equally the statements will probably be similar i.e. to eliminate all of the spaces from presented string.
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