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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
...ions in some cases (e.g. rails (4.0.0) requires bundler (>= 1.3.0, < 2.0)), which causes problems. Any idea how to avoid those 'open' dependencies?
– Guillermo Grau
Apr 4 '14 at 9:23
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Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
...as then redesigned and reimplemented yet again by Jerry Schwarz for Cfront 2.0, using the idea of manipulators from Andrew Koenig. The standard version of the library is based on this implementation.
Source "The Design & Evolution of C++", section 8.3.1.
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What exactly is OAuth (Open Authorization)?
...ng them the passwords. It does not deal with authentication.
Or
OAuth 2.0 is a protocol that allows a user to grant limited access to their resources on one site, to another site, without having to expose their credentials.
Analogy 1: Many luxury cars today come with a valet key. It is a sp...
What is the difference between C, C99, ANSI C and GNU C?
...inal concept was that given code like int i; int test(double *p) { i=1; *p=2.0; return i; } a compiler shouldn't be required to reload i after the write to *p on the off chance that p might hold the address of i. Perfectly reasonable. The problem is that modern compilers use the same rule to justi...
Why are functions in Ocaml/F# not recursive by default?
...equence in OCaml:
let shannon fold p =
let p x = p x *. log(p x) /. log 2.0 in
let p t x = t +. p x in
-. fold p 0.0
Note how the argument p to the higher-order shannon function is superceded by another p in the first line of the body and then another p in the second line of the body.
Conv...
What's the point of having pointers in Go?
...
As a side comment, pass-by-reference was added in C# 2.0 via the "ref" keyword. Of course pointers are still more convenient in certain cases, because we can have pointer to pointer to pointer...
– robbie fan
Dec 18 '17 at 2:53
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How slow are .NET exceptions?
...ad that the .NET team at Microsoft introduced the TryXXXXX methods in .NET 2.0 to many of the base FCL types specifically because customers were complaining that performance of their applications was so slow.
It turns out in many cases this was because customers were attempting type conversion of...
The difference between the 'Local System' account and the 'Network Service' account?
...rk Service account).
That capability only was added with Task Scheduler 2.0, which only exists in Windows Vista/Windows Server 2008 and newer.
A service running as NetworkService presents the machine credentials on the network. This means that if your computer was called mango, it would present ...
CursorLoader usage without ContentProvider
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License is Apache 2.0; you can reuse it where/when ever you want. Let me know if you have any improvements.
– Cristian
May 26 '12 at 15:35
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Transfer-Encoding: gzip vs. Content-Encoding: gzip
...here as well. After that, reality and the spec will coincide. ;) (And HTTP 2.0 will have been released, making the problem go away anyway)
– Evgeniy Berezovsky
Aug 13 '14 at 0:09
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