大约有 48,000 项符合查询结果(耗时:0.0375秒) [XML]
Grab a segment of an array in Java without creating a new array on heap
...rious primitive types and helps manage slicing, position, conversion, byte ordering, etc.
If your bytes originate from a Stream, the NIO Buffers can use "direct mode" which creates a buffer backed by native resources. This can improve performance in a lot of cases.
...
How do I install Python OpenCV through Conda?
...I ran conda update --all and some libraries required a downgrade to 1.9 in order to run.
– mercergeoinfo
Nov 12 '15 at 9:23
2
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Can you break from a Groovy “each” closure?
...tution of the closure in question with one of Groovy's (conceptual) higher order functions. The following example:
for ( i in 1..10) { if (i < 5) println i; else return}
becomes
(1..10).each{if (it < 5) println it}
becomes
(1..10).findAll{it < 5}.each{println it}
which also helps ...
Difference between a “coroutine” and a “thread”?
... Parallelism is the simultaneous execution of multiple
pieces of work in order to increase speed. —https://github.com/servo/servo/wiki/Design
Short answer: With threads, the operating system switches running threads preemptively according to its scheduler, which is an algorithm in the operatin...
What exactly is an Assembly in C# or .NET?
...
The answer is in order for immediate-grasping.
Put simply, it is the compiled project involving your classes and additional files, if there are. That is, each project in a
solution is assembly.
Or more techinally,
An assembly is w...
How to assign from a function which returns more than one value?
...
edited the question in order to include your remarks. thanks. giving names to things like r[1] can help to make things more clear (all right, not if names like a come in their place).
– mariotomo
Dec 1 '09 at...
MySQL Orderby a number, Nulls last
Currently I am doing a very basic OrderBy in my statement.
12 Answers
12
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Why use the SQL Server 2008 geography data type?
...jobsite)
where distance < 500 * 1609.344
orderby distance
select f;
return q1.FirstOrDefault();
}
Then there is a very good reason to use Geography.
Explanation of spatial within Entity Framework.
Updated with Creating High Performance Spati...
When should I make explicit use of the `this` pointer?
...w to treat i, since it may or may not exist in all instantiations of A. In order to tell it that i is indeed a member of A<T>, for any T, the this-> prefix is required.
Note: it is possible to still omit this-> prefix by using:
template<class T>
struct B : A<T> {
using...
How to write a simple database engine [closed]
...ndeed. Having recently spent some time inside the source code of SQLite in order to find a bug in SQLCipher, it is an absolute nightmare. Life was simpler 6 years ago :-)
– michael aubert
Dec 29 '15 at 14:53
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