大约有 40,000 项符合查询结果（耗时：0.0608秒） [XML]
What is the difference between google tag manager and google analytics?
...
Google Analytics' main job is really just generating the reports and statistics about your website, like how many people saw your website yesterday, what web browser they used, which pages were the most popular, etc. The only way it can know this stuff is...
Pointer expressions: *ptr++, *++ptr and ++*ptr
...ting not to the entire string, but only to the first character, 'H'. After all, p is a pointer to one char, not to the entire string. The value of p is the address of the 'H' in "Hello".
Then you set up a loop:
while (*p++)
What does the loop condition *p++ mean? Three things are at work here t...
Could not find stored procedure 'dbo.aspnet_CheckSchemaVersion'
...l computer, but when uploaded to the server it doesn't work. I've followed all steps correctly. And I have contacted support for my service but it's been over 2weeks and no reply.
...
What is the use of interface constants?
...attern is a poor use of interfaces. That a class uses some constants internally is an implementation detail. Implementing a constant interface causes this implementation detail to leak into the class's exported API. It is of no consequence to the users of a class that the class implements a constant...
What's the difference between Cache-Control: max-age=0 and no-cache?
... request
without successful revalidation with
the origin server. This allows an
origin server to prevent caching even
by caches that have been configured to
return stale responses to client
requests.
In other words, caches may sometimes choose to use a stale response (although I belie...
Why is exception handling bad?
...anguage has no exceptions as a design choice, and Linus of Linux fame has called exceptions crap. Why?
15 Answers
...
Can Visual Studio 2012 be installed side-by-side w/ Visual Studio 2010?
...Visual Studio 2012 interfere/break .NET 4 and/or Visual Studio 2010 if installed side-by-side on the same instance of Windows?
...
Best practices for adding .gitignore file for Python projects? [closed]
...uildout I have following in .gitignore (along with *.pyo and *.pyc):
.installed.cfg
bin
develop-eggs
dist
downloads
eggs
parts
src/*.egg-info
lib
lib64
Thanks to Jacob Kaplan-Moss
Also I tend to put .svn in since we use several SCM-s where I work.
...
Is it possible to prevent an NSURLRequest from caching data or remove cached data following a reques
...e, I perform a HTTP request using NSURLRequest for a chunk of data. Object allocation spikes and I assign the data accordingly. When I finish with the data, I free it up accordingly - however instruments doesn't show any data to have been freed!
...
Random number generation in C++11: how to generate, how does it work? [closed]
...ad about it (what is that engine , maths term like distribution , "where all integers produced are equally likely ").
2...