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Change all files and folders permissions of a directory to 644/755
...works on GNU/Linux, and I believe on Posix in general (from my reading of: http://pubs.opengroup.org/onlinepubs/9699919799/utilities/chmod.html).
What this does is:
Set file/directory to r__r__r__ (0444)
Add w for owner, to get rw_r__r__ (0644)
Set execute for all if a directory (0755 for dir, 06...
Using comparison operators in Scala's pattern matching system
...al question, some additional information can be found in the documentation https://docs.scala-lang.org/tour/pattern-matching.html , they didn't fit in my case but because this stackoverflow answer is the first suggestion in Google I would like to post my answer which is a corner case of the question...
Is the C# static constructor thread safe?
In other words, is this Singleton implementation thread safe:
10 Answers
10
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How to find out if a Python object is a string?
... do explicit type checking at all. "Duck typing" may fit your needs. See http://docs.python.org/glossary.html#term-duck-typing.
See also What’s the canonical way to check for type in python?
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“The remote certificate is invalid according to the validation procedure.” using Gmail SMTP server
...hich may allow your encrypted message to be read by an attacker
// https://stackoverflow.com/a/14907718/740639
ServicePointManager.ServerCertificateValidationCallback =
delegate (
object s,
X509Certificate certificate,
X509C...
Does it make sense to do “try-finally” without “catch”?
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Fixed page header overlaps in-page anchors
...sible element before each target. It works IE8+.
Here are more solutions:
http://nicolasgallagher.com/jump-links-and-viewport-positioning/
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Is there a way to dump a stack trace without throwing an exception in java?
I am thinking of creating a debug tool for my Java application.
10 Answers
10
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Find unmerged Git branches?
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Thread vs ThreadPool
What is the difference between using a new thread and using a thread from the thread pool? What performance benefits are there and why should I consider using a thread from the pool rather than one I've explicitly created? I'm thinking specifically of .NET here, but general examples are fine.
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