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Resetting remote to a certain commit
I want to discard all changes done after commit <commit-hash> .
So I did:
9 Answers
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How should one use std::optional?
...ntation of std::experimental::optional and I have a good idea about what it does, but I don't understand when I should use it or how I should use it. The site doesn't contain any examples as of yet which leaves it harder for me to grasp the true concept of this object. When is std::optional a ...
How to get active user's UserDetails
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Preamble: Since Spring-Security 3.2 there is a nice annotation @AuthenticationPrincipal described at the end of this answer. This is the best way to go when you use Spring-Security >= 3.2.
When you:
use an older version of Spring-Security,
need to...
Where does Vagrant download its .box files to?
...follow
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edited Jan 16 '16 at 22:54
Mark Amery
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How to mark a class as Deprecated? [duplicate]
... not want to use a class any more in my project, but do not want to delete it before a period of 2 weeks.
4 Answers
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List vs tuple, when to use each? [duplicate]
...neous collections, similar to what you'd use arrays for. But I've never quite squared this with the mutability issue mentioned in the other answers. Mutability has teeth to it (you actually can't change a tuple), while homogeneity is not enforced, and so seems to be a much less interesting distinc...
Is it possible to install iOS 6 SDK on Xcode 5?
...w one to download iPhone 6.1 simulator, however I can't find a place where it allows downloading of iOS 6 SDK, thus it is not possible to set the active SDK to iOS 6 when developing with Xcode 5. Is there a workaround that would allow Xcode 5 to install iOS 6 SDK?
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How does RewriteBase work in .htaccess
...n my own words, after reading the docs and experimenting:
You can use RewriteBase to provide a base for your rewrites. Consider this
# invoke rewrite engine
RewriteEngine On
RewriteBase /~new/
# add trailing slash if missing
rewriteRule ^(([a-z0-9\-]+/)*[a-z0-9\-]+)$ $1/ [NC,R=301,L]
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How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
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I had the same problem and solved it by creating an environment variable to be loaded every time I logged in to the production server, and made a mini-guide of the steps to configure it:
I was using Rails 4.1 with Unicorn v4.8.2 and when I tried to deploy my...
(-2147483648> 0) returns true in C++?
-2147483648 is the smallest integer for integer type with 32 bits, but it seems that it will overflow in the if(...) sentence:
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