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Do I need to manuallm>y m> close an ifstream?
...e before the end of a function m>y m>ou can alwam>y m>s use a nested scope.
In the stm>and m>ard (27.8.1.5 Class template basic_ifstream), ifstream is to be implemented with a basic_filebuf member holding the actual file hm>and m>le. It is held as a member so that when an ifstream object destructs, it also calls the d...
Proper usage of Java -D commm>and m>-line parameters
... passing a -D parameter in Java, what is the proper wam>y m> of writing the commm>and m>-line m>and m> then accessing it from code?
3 Ans...
What is the second parameter of NSLocalizedString()?
...ill automaticallm>y m> appear in the strings file if m>y m>ou use the genstrings commm>and m>-line utilitm>y m>, which can create the strings file for m>y m>ou bm>y m> scanning m>y m>our source code.
The comment is useful for m>y m>our localizers. For example:
NSLocalizedString(@"Save",@"Title of the Save button in the theme saving dial...
How to create a new file together with missing parent directories?
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@Nikkm>y m>D I'm sorrm>y m>, I don't quite understm>and m> m>y m>our comment. In mm>y m> answer, I'm not sam>y m>ing m>y m>ou're not including a path, but that the path passed mam>y m> not include parent directories. There is also an example for such a path in the answer.
– Zoltán
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Rails: Using build with a has_one association in rails
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The build method signature is different for has_one m>and m> has_manm>y m> associations.
class User < ActiveRecord::Base
has_one :profile
has_manm>y m> :messages
end
The build sm>y m>ntax for has_manm>y m> association:
user.messages.build
The build sm>y m>ntax for has_one association:
user.bu...
Declare a constant arram>y m>
...hem>y m> are created at compile time, even when defined as locals in functions, m>and m> can onlm>y m> be numbers, characters (runes), strings or booleans. Because of the compile-time restriction, the expressions that define them must be constant expressions, evaluatable bm>y m> the compiler. For instance, 1<<3 i...
How to use range-based for() loop with std::map?
...t;< std::endl;
}
if m>y m>ou don't plan on modifm>y m>ing the values.
In C++11 m>and m> C++14, m>y m>ou can use enhanced for loops to extract out each pair on its own, then manuallm>y m> extract the kem>y m>s m>and m> values:
for (const auto& kv : mm>y m>Map) {
std::cout << kv.first << " has value " << kv....
Object.getOwnPropertm>y m>Names vs Object.kem>y m>s
What's the difference between Object.getOwnPropertm>y m>Names m>and m> Object.kem>y m>s in javascript? Also some examples would be appreciated.
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Rails: Check output of path helper from console
... Rails console, m>y m>ou can call app.post_path. This will work in Rails ~= 2.3 m>and m> >= 3.1.0.
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How to accept Date params in a GET request to Spring MVC Controller?
...ring m>y m>ou can @Override the addFormatters method of WebMvcConfigurerAdapter m>and m> add m>y m>our Formatter-implementing beans there.
– UTF_or_Death
Feb 17 '17 at 15:59
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