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What is a good reason to use SQL views?
...ews section. But the author really doesn't explain the purpose of views. What is a good use for views? Should I use them in my website and what are the benefits of them?
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What is the source code of the “this” module doing?
...+13) % 26 + c)
Builds the translation table, for both uppercase (this is what 65 is for) and lowercase (this is what 97 is for) chars.
print "".join([d.get(c, c) for c in s])
Prints the translated string.
share
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What is the difference between the GNU Makefile variable assignments =, ?=, := and +=?
... As the linked section of the manual says. += operates according to whatever simple or recursive semantics the original assignment had. So yes, it will expand the RHS but whether it does that immediately or in a deferred manner depends on the type of the variable on the LHS.
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What is the difference between HTTP and REST?
...he impression that REST is just another word for HTTP. Can someone explain what functionality REST adds to HTTP?
12 Answers...
What is a “symbol” in Julia?
... mutable while symbols are immutable, and symbols are also "interned" – whatever that means. Strings do happen to be mutable in Ruby and Lisp, but they aren't in Julia, and that difference is actually a red herring. The fact that symbols are interned – i.e. hashed by the language implementatio...
What's the difference between Application.ThreadException and AppDomain.CurrentDomain.UnhandledExcep
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thanks - what I was not too clear about was if handling UnhandledException I would catch also ThreadException - which seems not to be the case
– JohnIdol
Jan 6 '10 at 17:02
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What is path of JDK on Mac ? [duplicate]
...another symbolic link, recursively apply the same approach with
ls -l <whatever the /usr/bin/java symlink points to>
An important variation is the setup you get if you start by installing Apple's Java and later install Oracle's. In that case Step 2 above will give you
/usr/bin/java ->...
What's the absurd function in Data.Void useful for?
...simple (Left x) = absurd x
simple (Right y) = y
This turns out to be somewhat useful. Consider a simple type for Pipes
data Pipe a b r
= Pure r
| Await (a -> Pipe a b r)
| Yield !b (Pipe a b r)
this is a strict-ified and simplified version of the standard pipes type from Gabriel Gonza...
What are Aggregates and PODs and how/why are they special?
...For other C++ standards see:
C++11 changes
C++14 changes
C++17 changes
What are aggregates and why they are special
Formal definition from the C++ standard (C++03 8.5.1 §1):
An aggregate is an array or a class (clause 9) with no user-declared
constructors (12.1), no private or protecte...
What is the right way to check for a null string in Objective-C?
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What type is title supposed to be? If it's an NSString, for instance, I receive the following warning: comparison of distinct Objective-C types 'struct NSNull *' and 'struct NSString *' lacks a cast Is there any way of rem...
