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Filtering a list based on a list of booleans
...i for (i, v) in zip(list_a, fil) if v] #winner
100000 loops, best of 3: 1.98 us per loop
>>> list_a = [1, 2, 4, 6]*100
>>> fil = [True, False, True, False]*100
>>> %timeit list(compress(list_a, fil)) #winner
10000 loops, best of 3: 24.3 us per loop
>>&...
What's the difference between “static” and “static inline” function?
...
98
By default, an inline definition is only valid in the current translation unit.
If the storage...
Correct way to delete cookies server-side
...path=/; expires=Thu, 01 Jan 1970 00:00:00 GMT
Note that you cannot force all browsers to delete a cookie. The client can configure the browser in such a way that the cookie persists, even if it's expired. Setting the value as described above would solve this problem.
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What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
All of these provide binary serialization, RPC frameworks and IDL. I'm interested in key differences between them and characteristics (performance, ease of use, programming languages support).
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Pointers in C: when to use the ampersand and the asterisk?
... work differently when you're working with arrays, strings or when you're calling functions with a pointer copy of a variable. It's difficult to see a pattern of logic inside all of this.
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Is Ruby pass by reference or by value?
...en I perform a save on the @user object I lose the errors that were initially stored in the lang_errors variable.
13 An...
What is “point free” style (in Functional Programming)?
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Sometimes, it doesn't work in Haskell 98, as in myShow = show. There's more about it on the Haskell wiki
– Ehtesh Choudhury
Sep 15 '11 at 4:46
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Advantages of Antlr (versus say, lex/yacc/bison) [closed]
...s a reasonable observation of output: compilers.iecc.com/comparch/article/98-11-040 : "ANTLR/PCCTS are LL which makes the grammar writing more difficult, but the generated code is readable. Yacc being LALR (of course you know that) makes the grammar writing easier, but the generated code might as w...
REST / SOAP endpoints for a WCF service
..."MyService", Namespace = "http://myservice/", SessionMode = SessionMode.NotAllowed)]
//[ServiceKnownType(typeof (IList<MyDataContractTypes>))]
[ServiceBehavior(Name = "MyService", Namespace = "http://myservice/")]
public class MyService
{
[OperationContract(Name = "MyResource1")]
[WebG...
How should I have explained the difference between an Interface and an Abstract class?
...Implement the same default behavior here
// that is shared by all subclasses.
}
// Each subclass needs to provide their own implementation of this only:
public abstract void checkDBforUser();
}
Now in each child class, we only need to implement one method - the method that i...