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Remove last character from string. Swift language
...) // "Hello, Worl"
str.remove(at: str.index(before: str.endIndex)) // "d"
str // "Hello, Worl" (modifying)
Swift 3.0
The APIs have gotten a bit more swifty, and as a result the Foundation extension has changed a bit:
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Bash function to find newest file matching pattern
...t returns the filename of the newest file that matches a certain pattern. For example, I have a directory of files like:
8...
How to return result of a SELECT inside a function in PostgreSQL?
...rameters have to match exactly what is returned by the query.
Choose names for OUT parameters carefully. They are visible in the function body almost anywhere. Table-qualify columns of the same name to avoid conflicts or unexpected results. I did that for all columns in my example.
But note the pot...
Docker how to change repository name or rename image?
...g d583c3ac45fd myname/server:latest
Tags are just human-readable aliases for the full image name (d583c3ac45fd...).
So you can have as many of them associated with the same image as you like. If you don't like the old name you can remove it after you've retagged it:
docker rmi server
That wil...
How to create an infinite loop in Windows batch file?
...bout using good(?) old goto?
:loop
echo Ooops
goto loop
See also this for a more useful example.
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Getting the class name from a static method in Java
How can one get the name of the class from a static method in that class. For example
15 Answers
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Get full path of the files in PowerShell
...tually do something with that afterwards, you might have to pipe it into a foreach loop, like so:
get-childitem "C:\windows\System32" -recurse | where {$_.extension -eq ".txt"} | % {
Write-Host $_.FullName
}
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What do 'real', 'user' and 'sys' mean in the output of time(1)?
...g time slices used by other processes and time the process spends blocked (for example if it is waiting for I/O to complete).
User is the amount of CPU time spent in user-mode code (outside the kernel) within the process. This is only actual CPU time used in executing the process. Other processes ...
How does JavaScript .prototype work?
...property, checkable via obj.hasOwnProperty('propName')), the runtime looks for a property with that name on the object referenced by the [[Prototype]] instead. If the [[Prototype]] also does not have such a property, its [[Prototype]] is checked in turn, and so on. In this way, the original object's...
Simplest two-way encryption using PHP
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it would be better for such high-voted answer, to be there provided simplest examples too in answer. thanks anyway.
– T.Todua
Jan 18 '18 at 17:33
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