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What is the use of having destructor as private?
...ctor, i.e., you want the object to only be destroyed through other means.
http://blogs.msdn.com/larryosterman/archive/2005/07/01/434684.aspx gives an example, where the object is reference counted and should only be destroyed by the object itself when count goes to zero.
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Using switch statement with a range of value in each case?
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This works nicely with http status codes divided by 100.
– Stefan
May 8 '18 at 9:11
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What is a “callable”?
...t's clear what a metaclass is , there is an associated concept that I use all the time without knowing what it really means.
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How to get current route in Symfony 2?
... not a route. As such, Symfony doesn't know what route that is for. Typically, you have one route to one controller, so it may seem weird that this can't report anything besides "_internal", however, it is possible to create general-purpose controllers that get associated with more than one route ...
What's the best/easiest GUI Library for Ruby? [closed]
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Here is a good resource for you:
http://en.wikibooks.org/wiki/Ruby_Programming/GUI_Toolkit_Modules
has links comparing basically all of them.
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Why is `std::move` named `std::move`?
The C++11 std::move(x) function doesn't really move anything at all. It is just a cast to r-value. Why was this done? Isn't this misleading?
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Select count(*) from multiple tables
How can I select count(*) from two different tables (call them tab1 and tab2 ) having as result:
18 Answers
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How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
...s of two numbers:
the modulus (e.g. a 2,048 bit number)
the exponent (usually 65,537)
Using your RSA public key as an example, the two numbers are:
Modulus: 297,056,429,939,040,947,991,047,334,197,581,225,628,107,021,573,849,359,042,679,698,093,131,908,015,712,695,688,944,173,317,630,555,849,7...
What are best practices that you use when writing Objective-C and Cocoa? [closed]
... document appears out of date many of the points are probably still good;
http://web.utk.edu/~jplyon/sqlite/SQLite_optimization_FAQ.html
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edited May 23 '17 at 11:54
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How can I maintain fragment state when added to the back stack?
... back stack. However, when I return to FragmentA (by pressing back), a totally new FragmentA is created and the state it was in is lost. I get the feeling I'm after the same thing as this question, but I've included a complete code sample to help root out the issue:
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