大约有 6,261 项符合查询结果(耗时:0.0325秒) [XML]
If Python is interpreted, what are .pyc files?
... in different languages, with different acceptable translations, levels of footnotes and other annotations) -- however, those books are perfectly well allowed to differ in a myriad of aspects that are not considered fundamental -- kind of binding, color of binding, font(s) used in the printing, illu...
What is the difference between RDF and OWL? [closed]
...ou can describe that some resource is an instance of a class:
<http://foo.com/anna> rdf:type <http://foo.com/teacher>
So the RDF vocabulary has terms that are targeting basic descriptions of class instances and some other descriptions (like the triple statement definition, or the pr...
The new keyword “auto”; When should it be used to declare a variable type? [duplicate]
...unwanted implicit conversions in initialisations. Generally, the statement Foo x = y; will perform an implicit conversion if y isn’t of type Foo and an implicit conversion exists. This is the reason to avoid having implicit conversions in the first place. Unfortunately, C++ has much too many of th...
What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
...your parameters are T[] you're safe about custom lower bound arrays:
void foo<T>(T[] array) { }
void test() {
// This will throw InvalidCastException, cannot convert Int32[] to Int32[*]
foo((int)Array.CreateInstance(typeof(int), new int[] { 1 }, new int[] { 1 }));
}
Validate Parame...
What's the $unwind operator in MongoDB?
..." } ,
{ author :"sam" , text : "this is bad" }
],
other : { foo : 5 }
}
Notice how tags is actually an array of 3 items, in this case being "fun", "good" and "fun".
What $unwind does is allow you to peel off a document for each element and returns that resulting document.
To think ...
What are inline namespaces for?
...r symbol name only.
Consider this example:
Suppose you write a function Foo that takes a reference to an object say bar and returns nothing.
Say in main.cpp
struct bar;
void Foo(bar& ref);
If you check your symbol name for this file after compiling it into an object.
$ nm main.o
T__ Z1f...
Correct way to delete cookies server-side
...se, have a look at cookies from other domains. For example, after deleting foo=bar; domain=www.example.com, an other cookie foo=qux; domain=.example.com will be used.
– Lekensteyn
Jun 26 '13 at 13:23
...
What's the rationale for null terminated strings?
...
char *temp = "foo bar"; is a valid statement in C... hey! isn't that a string? isn't it null terminated?
– Yanick Rochon
Dec 11 '10 at 20:22
...
Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
...signing by reference. But you don't use it like you would in base :
DT[3,"foo"] := newvalue # not like this
you use it like this :
DT[3,foo:=newvalue] # like this
That changed DT by reference. Say you add a new column new by reference to the data object, there is no need to do this :
DT...
Custom HTTP headers : naming conventions
... It's a matter of preference and name-spacing; concerns about "X-ClientDataFoo" being supported by any proxy or vendor without the "X" are clearly misplaced.
There's nothing special or magical about the "X-" prefix, but it helps to make it clear that it is a custom header. In fact, RFC-6648 et al h...
