大约有 33,000 项符合查询结果（耗时：0.0456秒） [XML]
How do I find the location of the executable in C? [duplicate]
... path) this is the path.
Otherwise if argv[0] contains "/" (relative path) append it to cwd
(assuming it hasn't been changed yet).
Otherwise search directories in $PATH for executable argv[0].
Afterwards it may be reasonable to check whether the executable isn't actually a symlink.
If it is resolv...
Why do loggers recommend using a logger per class?
...on't have one logger per class, but instead have one logger for the entire app, you need to resort to more reflection tricks to know where the log messages are coming from.
Compare the following:
Log per class
using System.Reflection;
private static readonly ILog _logger =
LogManager.GetLog...
How can I get file extensions with JavaScript?
...
@wallacer: What happens if filename actually doesn't have an extension? Wouldn't this simply return the base filename, which would be kinda bad?
– Nicol Bolas
Oct 26 '11 at 20:33
...
How can I find the number of arguments of a Python function?
...
str(sig) # returns: '(self, arg1, kwarg1=None)'
or you can also get a mapping of attribute names to parameter objects via sig.parameters.
params = sig.parameters
print(params['kwarg1']) # prints: kwarg1=20
Additionally, you can call len on sig.parameters to also see the number of arguments ...
What is Common Gateway Interface (CGI)?
... is an interface which tells the webserver how to pass data to and from an application. More specifically, it describes how request information is passed in environment variables (such as request type, remote IP address), how the request body is passed in via standard input, and how the response is...
How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?
I am currently making an app that will have multiple timers, which are basically all the same.
4 Answers
...
What's the difference between using CGFloat and float?
...it will jump to the CGBase.h header where the typedef is defined. The same approach is used for NSInteger and NSUInteger as well.
These types were introduced to make it easier to write code that works on both 32-bit and 64-bit without modification. However, if all you need is float precision within...
Multithreading: What is the point of more threads than cores?
...st because a thread exists doesn't always mean it's actively running. Many applications of threads involve some of the threads going to sleep until it's time for them to do something - for instance, user input triggering threads to wake up, do some processing, and go back to sleep.
Essentially, thr...
JAX-RS — How to return JSON and HTTP status code together?
I'm writing a REST web app (NetBeans 6.9, JAX-RS, TopLink Essentials) and trying to return JSON and HTTP status code. I have code ready and working that returns JSON when the HTTP GET method is called from the client. Essentially:
...
ASP.NET MVC on IIS 7.5
...t) using Visual Studio 2010 RC. I recently decided to have VS run/debug my apps on IIS rather than the dev server that comes with it.
...