ykaganovichykaganovich 15k88 gold badges6262 silver badges9898 bronze badges Add a comment
someVar and you will get a pleasant NullReferenceException. While using the Or-Operator That will not be that Considerably of the entice mainly because it's not likely that you just cause anything terrible, nevertheless it's something to keep in mind.
I used to be wondering about the difference between and / in file paths. I've recognized that from time to time a route contains /and at times it is with .
Even when you omitted Start out-Method (and that is how you must invoke command-line utilities - straight), the method would tumble shorter, since the outcome with the conditional then depends upon if the utility made any stdout output, which has no assured connection with regardless of whether it succeeded or not.
By wrapping your comparisons in with your initially example you might be making ScriptBlocks; Therefore the PowerShell interpreter sights it as Where by-Item -and . Considering that the -and operator operates on boolean values, PowerShell casts the ScriptBlocks to boolean values.
It has been much too prolonged, and now PowerShell begins to popup in locations, like VSCode works by using it for a default terminal in Home windows. This is overall agony with no &&, the -and eats the output, not equivalent at all.
operators though, Except if there is a style and design in which Every condition is a operate that Needs to be executed. Seems like a design scent, but in some cases (rarely) it's a clear solution to do stuff.
operation might be accomplished
in which partialHits is really a HashMap. What will transpire if the primary assertion is real? Will Java still Look at the second assertion? Because so as the main statement for being accurate, the HashMap shouldn't comprise the given key, so if the second assertion is checked, I can get NullPointerException.
is definitely the bitwise OR operator. It's utilized to function on two quantities. You take a look at Every single bit of each amount independently and, if one of several bits is one in not less than among the figures, then Breaking news and stories the ensuing bit will likely be 1 also. Here are a few illustrations:
This concern is in a very collective: a subcommunity outlined by tags with suitable content material and gurus. The Overflow Web site
The context I am seeking to utilize it in is "execute cmd1, and if successful, execute cmd2", fundamentally this: