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The primary regex will match just one whitespace character. The next regex will reluctantly match one or more whitespace people. For most needs, these two regexes are incredibly comparable, except in the next circumstance, the regex can match more of your string, if it stops the regex match from failing. from

What chemical aspects or minerals would need being present in substance streaming from Alpha Centauri to convince us that it did originate there?

But it surely doesn't do any hurt, and this means the code would still function precisely the same way Irrespective of how the command remaining handed was changed.

Make badges by bettering or asking concerns in Staging Floor. See new badges Exactly what does %s and %d mean in printf from the C language? [shut]

This is very critical for users of our Local community who will be inexperienced persons, rather than informed about the syntax. Given that, are you able to edit your reply to include a proof of Everything you're carrying out and why you believe it is the greatest solution?

The real difference lies in how it get's managed. When you would've a bunch of (by way of example) three spaces instantly pursuing one another s+ requires that team and turns The complete it into a "", although s would proces each and every space on its own.

So the very first if statement interprets to: in the event you haven't handed me an argument, I'll let you know how you must pass me an argument Later on, e.g. you'll see this on-screen:

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All equipment dependent code is published in assembly language.The assembly language differs for various processors.

Has any mass protest while in the United states following 1945 effectively pressured The federal government to vary its selection dependant on the protesters' needs? far more hot concerns

The width just isn't laid out in the format string, but as an additional integer worth argument previous the argument that needs to be formatted.

@barlop, the point of /S is that if you don't know ahead of time whether or not the command has embedded offers or not. If you get more info can find specifically two prices on the command line it can be treated in another way by default if there are actually precisely two estimate figures than if you can find extra or fewer. /S makes it be handled a similar. It's documented: Just form "enable cmd" on the command line.

And so the arguments predicted by C, should be hacked up through the C runtime library. The working program only provides a single string Using the arguments in, and if your language will not be C (or perhaps if it is) it might not be interpreted as Place-divided arguments quoted In keeping with shell policies, but as anything totally different.

So what does /S Supply you with extra? Mostly it saves you from having to bother with quoting the prices. Additionally, it can help where you are Doubtful whether or not such as an environtment variable consists of quote people. Just say /S and set an extra quotation firstly and stop.

This is most likely additional more likely to be appealing in the state of affairs from the query Michael Burr associated with, exactly where cmd.exe is getting introduced by CreateProcess rather than from a batch file or perhaps the command line alone..

Is there some subtlety to /s that is eluding me? When would it ever be vital? When wouldn't it even make any difference?