It suggests zero or maybe more occurrence of whitespace characters, followed by a comma after which followed by zero or more occurrence of whitespace characters.
Those two replaceAll calls will usually deliver exactly the same result, in spite of what x is. Even so, it is necessary to notice that the two frequent expressions will not be exactly the same:
In some code that I've to maintain, I've observed a structure specifier %*s . Can anybody tell me what this is and why it can be utilised?
Employing %s in scanf with out an explcit subject width opens the identical buffer overflow exploit that will get did; specifically, if you'll find additional people within the input stream in comparison to the concentrate on buffer is sized to hold, scanf will Fortunately create People excess people to memory outside the buffer, possibly clobbering anything significant. Regretably, in contrast to in printf, you can't supply the sphere with as a operate time argument:
The explanation driving the code if I am employing %s instead of %c in my printf area in the code 82
The difference lies in the way it get's taken care of. For those who might have a gaggle of (one example is) three spaces specifically subsequent one another s+ requires that group and turns The complete it into a "", while s would proces just about every space By itself.
cnicutarcnicutar 182k2626 gold badges376376 silver badges398398 bronze badges Incorporate a comment
And because your 2nd parameter is vacant string "", there is absolutely no difference between the output of two situations.
Andrew HareAndrew Hare 351k7575 gold badges645645 silver badges641641 bronze badges 3 fifteen Observe that this sort of string interpolation is deprecated in favor of the greater effective str.format method.
How to proceed with check here a youngster who's searching for focus negatively and now has started to become agressive in the direction of Other people?
In an eclipsing binary orbited by an Earth like planet, would the drops in brightness be recognizable?
Like that it could stand on its own. Giving an case in point which was akin to the instance in the dilemma would even be a moreover.
The best way to established applications which aren't set to "hold in dock" routinely dismissed from Dock when they are shut