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Technically, why are processes in Erlang more efficient than OS threads?
...ns that it is much cheaper to switch context, because they only switch at known, controlled points and therefore don't have to save the entire CPU state (normal, SSE and FPU registers, address space mapping, etc.).
Erlang processes use dynamically allocated stacks, which start very small and grow as...
What is the standard Python docstring format? [closed]
...ion of what is returned
@raise keyError: raises an exception
"""
- reST
Nowadays, the probably more prevalent format is the reStructuredText (reST) format that is used by Sphinx to generate documentation.
Note: it is used by default in JetBrains PyCharm (type triple quotes after defining a method...
[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
...h (...)
{
return E_OUTOFMEMORY;
}
// The client is now responsible for freeing pbstr.
return( S_OK );
}
//...
· 时刻牢记BSTR是一个指针，而不是一个对象。尽量减少使用BSTR作为结构体或类的成员变量。如果必须使用，一定要...
What does this square bracket and parenthesis bracket notation mean [first1,last1)?
...art counting at 1, would instead use the i = 1, i <= N nomenclature but now we need to correct the array offset in a zero-based language.
e.g.
function main() {
var output = "";
var a = [ 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 ];
for( var i = 1; i <= 10; i++ ) // [1,10]
...
What is the difference between loose coupling and tight coupling in the object oriented paradigm?
...maintain a list of classes that inherit from 'Observer', without actually knowing the concrete type of those classes, this is an instance of loose coupling. The Subject doesn't depend on any of its Observers or their internal concerns. The observers don't depend on the Subject or any of its concerns...
Python strptime() and timezones?
... noting this has been updated as of version 3.2 and the same documentation now also states the following:
When the %z directive is provided to the strptime() method, an aware datetime object will be produced. The tzinfo of the result will be set to a timezone instance.
Note that this doesn't w...
Is it worth hashing passwords on the client side
...
submit random bits(in clear text) and hash to the server
As the server knows its own random information as well as the client's random bits (it got them as clear text), it can perform essentially the same transformation. This protocol makes sure, that nobody listening in this conversation can use...
REST / SOAP endpoints for a WCF service
...e = "http://myservice/", SessionMode = SessionMode.NotAllowed)]
//[ServiceKnownType(typeof (IList<MyDataContractTypes>))]
[ServiceBehavior(Name = "MyService", Namespace = "http://myservice/")]
public class MyService
{
[OperationContract(Name = "MyResource1")]
[WebGet(ResponseFormat = W...
Parallel.ForEach vs Task.Factory.StartNew
...heduler, by default, uses the new ThreadPool, which handles this very well now.
– Reed Copsey
Feb 17 '11 at 16:42
Than...
How to specify maven's distributionManagement organisation wide?
... and deployed to your local nexus so everyone has access to its artifact.
Now for all projects which you wish to use it, simply include this section:
<parent>
<groupId>your.company</groupId>
<artifactId>company-parent</artifactId>
<version>1.0.0</versio...