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How does std::forward work? [duplicate]
... does according to the standard:
§20.2.3 [forward] p2
Returns: static_cast<T&&>(t)
(Where T is the explicitly specified template parameter and t is the passed argument.)
Now remember the reference collapsing rules:
TR R
T& & -> T& // lvalue reference to ...
rails i18n - translating text with links inside
...
en.yml
log_in_message_html: "This is a text, with a %{href} inside."
log_in_href: "link"
login.html.erb
<p> <%= t("log_in_message_html", href: link_to(t("log_in_href"), login_path)) %> </p>
...
Pandas - How to flatten a hierarchical index in columns
...s.values]].
– irene
Jul 17 '19 at 8:32
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How to safely call an async method in C# without await
...
Peter RitchiePeter Ritchie
32.5k99 gold badges7373 silver badges9393 bronze badges
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Is there a __CLASS__ macro in C++?
Is there a __CLASS__ macro in C++ which gives the class name similar to __FUNCTION__ macro which gives the function name
...
Python threading.timer - repeat function every 'n' seconds
...our timer thread you'd code the following
class MyThread(Thread):
def __init__(self, event):
Thread.__init__(self)
self.stopped = event
def run(self):
while not self.stopped.wait(0.5):
print("my thread")
# call a function
In the code that s...
What are all the uses of an underscore in Scala?
...ang.org and noticed a curious question: " Can you name all the uses of “_”? ". Can you? If yes, please do so here. Explanatory examples are appreciated.
...
Unexpected character encountered while parsing value
...to string and then passing to JsonConvert.DeserializeObject, we can use UTF32 encoding to get the string.
byte[] docBytes = File.ReadAllBytes(filePath);
string jsonString = Encoding.UTF32.GetString(docBytes);
share
...
Difference between passing array and array pointer into function in C
...t fix" bug report here connect.microsoft.com/VisualStudio/feedback/details/326874/…
– greggo
Dec 12 '13 at 17:02
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...
Run a single migration file
... of the ruby file:
rails console
>> require "db/migrate/20090408054532_add_foos.rb"
>> AddFoos.up
Note: newer versions of rails may require AddFoos.new.up rather than AddFoos.up.
An alternative way (without IRB) which relies on the fact that require returns an array of class names:
...