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C++ inheritance - inaccessible base?
...nce type of a class in C++ is private, so any public and protected members from the base class are limited to private. struct inheritance on the other hand is public by default.
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What is the difference between the 'COPY' and 'ADD' commands in a Dockerfile?
...identity, gzip, bzip2 or xz) then it is unpacked as a directory. Resources from remote URLs are not decompressed.
Note that the Best practices for writing Dockerfiles suggests using COPY where the magic of ADD is not required. Otherwise, you (since you had to look up this answer) are likely to ge...
Do you use NULL or 0 (zero) for pointers in C++?
...with NULL is that people sometimes mistakenly believe that it is different from 0 and/or not an integer. In pre-standard code, NULL was/is sometimes defined to something unsuitable and therefore had/has to be avoided. That's less common these days.
If you have to name the null pointer, call it nullp...
Why is there no Constant feature in Java?
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Every time I go from heavy C++ coding to Java, it takes me a little while to adapt to the lack of const-correctness in Java. This usage of const in C++ is much different than just declaring constant variables, if you didn't know. Essential...
Windows: XAMPP vs WampServer vs EasyPHP vs alternative [closed]
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Great :-) Glad to see you agree on learning a lot from the time you invested !
– Pascal MARTIN
Apr 7 '11 at 21:42
49
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wildcard ssl on sub-subdomain [closed]
...for *.example.net will match sub.example.net but not sub.sub.example.net.
From RFC 2818:
Matching is performed using the matching rules specified by
RFC2459. If more than one identity of a given type is present in
the certificate (e.g., more than one dNSName name, a match in any one
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Best practice for instantiating a new Android Fragment
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From the developer docs, instantiate() Creates a new instance of a Fragment with the given class name. This is the same as calling its empty constructor.
– Brian Bowman
Feb 9 '14 at 16:1...
Blocks on Swift (animateWithDuration:animations:completion:)
...it is hiding slowly and when it is completely transparent; removes it self from parent view
ok variable will always returns true with animation termination.
alpha = 1
UIView.animate(withDuration: 0.5, animations: {
self.alpha = 0
}) { (ok) in
print("Ended \(ok)")
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String variable interpolation Java [duplicate]
...tring.format. Check performance comparison among Java string interpolation from redfin.
– MiaeKim
Oct 22 '19 at 22:18
21
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Piping command output to tee but also save exit code of command [duplicate]
...e variable is ephemeral, so even "echo"-ing it out will lose you the value from running the pipeline. Assign it to another variable unless you will access it immediately, and only once.
– Davor Cubranic
Sep 12 at 1:49
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