大约有 9,600 项符合查询结果（耗时：0.0380秒） [XML]
Best Practices: Salting & peppering passwords?
...ause it's being used as designed. It's good because it gives the user no information.
Let's look at that line again. Let's say that an attacker knows your algorithm (which is required for security, otherwise it's security through obscurity). With a traditional pepper approach, the attacker can crea...
reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
...iable, all as an atomic operation.
my colleague said that on some platforms it's not guaranteed that reference assignment is atomic. Was my colleague correct?
No. Reference assignment is guaranteed to be atomic on all .NET platforms.
My colleague is reasoning from false premises. Does tha...
Comparing Haskell's Snap and Yesod web frameworks
...ave sessions and authentication, interfaces to several databases, and nice form handling (here and here) using digestive-functors that includes prepackaged support for arbitrarily nested dynamically sizable lists. These are just some of the growing ecosystem of pluggable snaplets. The sessions and...
Should CSS always preceed Javascript?
...n to include CSS prior to JavaScript. The reasoning is generally, of this form :
14 Answers
...
What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?
...Trivia:
Why is it called “Koenig lookup”?
Because it was devised by former AT&T and Bell Labs researcher and programmer, Andrew Koenig.
Further reading:
Herb Sutter's Name Lookup on GotW
Standard C++03/11 [basic.lookup.argdep]: 3.4.2 Argument-dependent name lookup.
1 The definitio...
Is it .yaml or .yml?
...
The nature and even existence of file extensions is platform-dependent (some obscure platforms don't even have them, remember) -- in other systems they're only conventional (UNIX and its ilk), while in still others they have definite semantics and in some cases specific limits on ...
Scala: What is a TypeTag and how do I use it?
All I know about TypeTags is that they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject.
...
Big-O for Eight Year Olds? [duplicate]
...y head around what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to perform won't grow because there are more items. And an O(n) operation would mean that you would perform a set of operations on...
What is the difference between native code, machine code and assembly code?
...derstands and executes directly. All other code must be translated or transformed into machine code before your machine can execute it.
Native code: This term is sometimes used in places where machine code (see above) is meant. However, it is also sometimes used to mean unmanaged code (see below).
...
Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
...it. AWS also comes with many plugin services and products.
Heroku
Platform as a Service (PAAS)
Good documentation
Has built-in tools and architecture.
Limited control over architecture while designing the app.
Deployment is taken care of (automatic via GitHub or manual via git commands or CLI)....