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C++ template constructor
...lare any
constructor(including a templated
one), the compiler will refrain from
declaring a default constructor.
Unless you declare a copy-constructor (for class X one
that takes X or X& or X const
&) the compiler will generate the
default copy-constructor.
If you provide a template cons...
C++虚析构函数解析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...lass ClxBase{
public:
ClxBase() {};
~ClxBase() {cout << "Output from the destructor of class ClxBase!" << endl;};
void DoSomething() { cout << "Do something in class ClxBase!" << endl; };
};
class ClxDerived : public ClxBase{
public:
ClxDerived() {};
~ClxDerived() { ...
What are the “loose objects” that the Git GUI refers to?
...er, eventually you'll want to save the space by packing up the objects" -- from Git Book link in answer below
– chris
Apr 18 '15 at 19:49
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NSLog with CGPoint data
...
Actually, the real easiest way to log a CGPoint is:
NSLog(@"%@", NSStringFromCGPoint(point));
The desktop Cocoa equivalent is NSStringFromPoint().
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LD_LIBRARY_PATH vs LIBRARY_PATH
...ed when the program starts, LIBRARY_PATH is searched at link time.
caveat from comments:
When linking libraries with ld (instead of gcc or g++), the LIBRARY_PATH or LD_LIBRARY_PATH environment variables are not read.
When linking libraries with gcc or g++, the LIBRARY_PATH environment variable is...
Core dumped, but core file is not in the current directory?
...apport stop --- after I ran that, it changed /proc/sys/kernel/core_pattern from the apport pipe to just core. Apport is smart enough to fix up the core_pattern temporarily, I suppose.
– Patrick Collins
Feb 22 '16 at 18:50
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How do you log server errors on django sites
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Please update this answer. From django1.9 change-log: Django’s default logging configuration no longer defines ‘django.request’ and ‘django.security’ loggers.
– narendra-choudhary
Sep 10 '16 at 4:48
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How to check if a variable is null or empty string or all whitespace in JavaScript?
...(addr)))
This has the advantage of actually removing any outer whitespace from addr instead of just ignoring it when performing the check.
Reference: http://api.jquery.com/jQuery.trim/
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Remove Server Response Header IIS7
Is there any way to remove "Server" response header from IIS7? There are some articles showing that using HttpModules we can achieve the same thing. This will be helpful if we don't have admin right to server. Also I don't want to write ISAPI filter.
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Record file copy operation with Git
...les.
Restore the original filename in a separate commit.
(Solution taken from https://stackoverflow.com/a/44036771/1389680.)
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