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How to forward declare a C++ template class?
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I disagree. The standard says: "A template-parameter shall not be given default arguments by two different declarations in the same scope". And I found nothing about defaults in the first declaration only. Also the code with the forward declaration and defaults in the definition ...
How do I update zsh to the latest version?
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If you have Homebrew installed, you can do this.
# check the zsh info
brew info zsh
# install zsh
brew install --without-etcdir zsh
# add shell path
sudo vim /etc/shells
# add the following line into the very end of the file(/etc/shells)
/usr/loc...
jQuery .hasClass() vs .is()
... Just because a function has less funtionality does NOT mean it's automatically faster.
– Kris
Feb 4 '11 at 19:54
15
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how to add records to has_many :through association in rails
...ata from the joint table Agents without having N+1 bug example displaying all the houses and corresponding agents for the given customer
– Ankita.P
Jul 24 '15 at 11:00
add a ...
Providing a default value for an Optional in Swift?
...he idiom for dealing with optionals in Swift seems excessively verbose, if all you want to do is provide a default value in the case where it's nil:
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How do I get a background location update every n minutes in my iOS application?
...d with UIApplication:beginBackgroundTaskWithExpirationHandler:
When n is smaller than UIApplication:backgroundTimeRemaining it will work just fine. When n is larger, the location manager should be enabled (and disabled) again before there is no time remaining to avoid the background task being kille...
Start service in Android
I want to call a service when a certain activity starts. So, here's the Service class:
5 Answers
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What Product Flavor does Android Studio build by default in build.gradle?
...e , we notice that Android Studio builds the first one specified alphabetically. Is there a way to tell Android Studio to build and test only a specific product flavor during development?
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Converting Go struct to JSON
I am trying to convert a Go struct to JSON using the json package but all I get is {} . I am certain it is something totally obvious but I don't see it.
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What is the session's “secret” option?
...o compute the hash. Without the string, access to the session would essentially be "denied". Take a look at the connect docs, that should help a little bit.
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