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Can I have an IF block in DOS batch file?
... 1 line if statement body? I think I found somewhere that I could use () for an if block just like the {} used in C-like programming languages, but it is not executing the statements when I try this. No error message either. This my code:
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PHP mkdir: Permission denied problem
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Late answer for people who find this via google in the future.
I ran into the same problem.
NOTE: I AM ON MAC OSX LION
What happens is that apache is being run as the user "_www" and doesn't have permissions to edit any files. You'll...
Regular Expression: Any character that is NOT a letter or number
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\w is for Word characters and is exactly the same as [a-zA-Z0-9_] (notice that underscore is considered a word character.) ...so the shorthand would be str.replace(/[^\w]/g, ' ')
– Joel Mellon
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How do I represent a hextile/hex grid in memory?
...tionships Between Parts section of my grids article at www-cs-students.stanford.edu/~amitp/game-programming/grids (the diagrams are for square grids but the table includes the formulas for axial hex grids also)
– amitp
Jun 7 '13 at 0:58
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Scala: Nil vs List()
... Isn't List[A]() (not Nil) necessary as an accumulator value for foldLeft? Example - scala> Map(1 -> "hello", 2 -> "world").foldLeft(List[String]())( (acc, el) => acc :+ el._2) res1: List[String] = List(hello, world) Using Nil as the accumulator here wouldn't work.
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Delete files older than 10 days using shell script in Unix [duplicate]
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find is the common tool for this kind of task :
find ./my_dir -mtime +10 -type f -delete
EXPLANATIONS
./my_dir your directory (replace with your own)
-mtime +10 older than 10 days
-type f only files
-delete no surprise. Remove it to test your f...
UITapGestureRecognizer tap on self.view but ignore subviews
...know how it works. Right now I am in front of handicap which way to choose for create this recognizer ignoring subview. Any ideas? Thanks.
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Changing default encoding of Python?
...load(sys) # Reload does the trick!
sys.setdefaultencoding('UTF8')
(Note for Python 3.4+: reload() is in the importlib library.)
This is not a safe thing to do, though: this is obviously a hack, since sys.setdefaultencoding() is purposely removed from sys when Python starts. Reenabling it and cha...
In a javascript array, how do I get the last 5 elements, excluding the first element?
...1) must be 0 to work, This arr.slice(Math.max(arr.length - 5, 0)) worked for me.
– QMaster
Nov 1 '14 at 21:41
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Null coalescing in powershell
...ion not evaluated" : "this value returned"
Previous Versions:
No need for the Powershell Community Extensions, you can use the standard Powershell if statements as an expression:
variable = if (condition) { expr1 } else { expr2 }
So to the replacements for your first C# expression of:
var s...