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Namespace and class with the same name?
...using Foo;
using Bar;
class C { Foo foo; }
}
The compiler gives an error. “Foo” is ambiguous between Foo.Foo and
Bar.Foo. Bummer. I guess I’ll fix that by fully qualifying the name:
class C { Foo.Foo foo; }
This now gives the ambiguity error “Foo in
Foo.Foo is ambiguous between ...
Python truncate a long string
...aylorEdmiston True, but they're quite helpful for those who don't remember all the precedence rules across the 5–10 languages they use daily.
– Marcelo Cantos
Nov 24 '16 at 2:26
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Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
I'm getting the error:
21 Answers
21
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How to check if a file exists in Documents folder?
...th: method. It's often better to just try to open a file and deal with the error if the file does not exist.
NSFileManager Class Reference
Note: Attempting to predicate behavior based on the current state of the file system or a particular file on the file system is not recommended. Doing so can ca...
Android encryption / decryption using AES [closed]
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@Maarten Bodewes I see your warnings all over the place, under manyt posts. Could you please provide a good solution instead?
– Yar
Mar 30 '18 at 12:27
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Writing Unicode text to a text file?
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Thanks. This runs without an error, but then if I open the text file, I see a bunch of weird symbols :) I need to copy and paste the text into a Wordpress page (don't ask). Is there any way I can actually print the symbols that are there? I guess not to ...
Is there a better way to express nested namespaces in C++ within the header
...l Studio 2015 and also use Boost, you may encounter very mystical compiler errors when you include some Boost headers. I faced this problem as described in this StackOverflow question
– Vivit
Oct 19 '16 at 8:06
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filename and line number of python script
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NameError: global name '__file__' is not defined on my Python interpreter: Python 2.7.6 (default, Sep 26 2014, 15:59:23). See stackoverflow.com/questions/9271464/…
– bgoodr
May 5 '17 at 17...
Unique ways to use the Null Coalescing operator [closed]
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Well, first of all, it's much easier to chain than the standard ternary:
string anybody = parm1 ?? localDefault ?? globalDefault;
vs.
string anyboby = (parm1 != null) ? parm1
: ((localDefault != null) ? localDefault
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Error installing libv8: ERROR: Failed to build gem native extension
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I use that. It compiles ok, but i still have errors when running 'bundle'
– Sucrenoir
Feb 20 '14 at 10:29
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