大约有 48,000 项符合查询结果（耗时：0.0613秒） [XML]
Send message to specific client with socket.io and node.js
I'm working with socket.io and node.js and until now it seems pretty good, but I don't know how to send a message from the server to an specific client, something like this:
...
Unable to login to SQL Server + SQL Server Authentication + Error: 18456
... see whether that user has relevant privileges on that SQL Server instance and relevant database too, thats good. Obviously if the necessary prvileges are not been set then you need to fix that issue by granting relevant privileges for that user login.
Althought if that user has relevant grants on ...
Clojure: reduce vs. apply
I understand the conceptual difference between reduce and apply :
9 Answers
9
...
Swapping two variable value without using third variable
...
*x ^= *y;
}
}
Why the test?
The test is to ensure that x and y have different memory locations (rather than different values). This is because (p xor p) = 0 and if both x and y share the same memory location, when one is set to 0, both are set to 0.
When both *x and *y are 0, all o...
Cannot change version of project facet Dynamic Web Module to 3.0?
...ate a dynamic webapp in Eclipse. I added some folders like src/test/java and src/test/resources . Also I changed the library in Java Build Path to obtain the JavaSE-1.7. It's all OK up to here.
...
Weak and strong property setter attributes in Objective-C
What is the difference between weak and strong property setter attributes in Objective-C?
5 Answers
...
How to select lines between two marker patterns which may occur multiple times with awk/sed
... if flag is equal 1 the line is printed.
For a more detailed description and examples, together with cases when the patterns are either shown or not, see How to select lines between two patterns?.
share
|
...
Creating hard and soft links using PowerShell
Can PowerShell 1.0 create hard and soft links analogous to the Unix variety?
11 Answers
...
What is the difference between 'classic' and 'integrated' pipeline mode in IIS7?
I was deploying an ASP.NET MVC application last night, and found out that it is less work to deploy with IIS7 set to integrated mode. My question is what is the difference? And what are the implications of using one or the other?
...
How do you make a HTTP request with C++?
...ith C++? Specifically, I want to download the contents of a page (an API) and check the contents to see if it contains a 1 or a 0. Is it also possible to download the contents into a string?
...