大约有 40,000 项符合查询结果(耗时:0.0392秒) [XML]

https://stackoverflow.com/ques... 

How can I check for Python version in a program that uses new language features?

...rom the question that needed addressing is that a program must be syntactically correct for that version of python to even begin executing, so using new syntax precludes a program from starting on older versions of the interpreter. eval works around that – Autoplectic ...
https://stackoverflow.com/ques... 

How to get URL of current page in PHP [duplicate]

...e - the former has the path to the actual script, the latter has the originally requested path. – Amber Aug 16 '09 at 2:19 1 ...
https://stackoverflow.com/ques... 

Get name of object or class

...(function(){}); new myclass prints myclass {} – Hugh Allen May 26 '14 at 4:09 ...
https://stackoverflow.com/ques... 

JavaScript for detecting browser language preference [duplicate]

... I think the main problem here is that the browser settings don't actually affect the navigator.language property that is obtained via javascript. What they do affect is the HTTP 'Accept-Language' header, but it appears this value is not available through javascript at all. (Probably why @and...
https://stackoverflow.com/ques... 

Getting visitors country from their IP

... why im getting unknow all the time with every ip ? , used same code. – echo_Me Feb 18 '14 at 18:12 1 ...
https://stackoverflow.com/ques... 

Test if a variable is a list or tuple

... excludes custom sequences, iterators, and other things that you might actually need. However, sometimes you need to behave differently if someone, for instance, passes a string. My preference there would be to explicitly check for str or unicode like so: import types isinstance(var, types.String...
https://stackoverflow.com/ques... 

Can Powershell Run Commands in Parallel?

...o do some batch processing on a bunch of images and I'd like to do some parallel processing. Powershell seems to have some background processing options such as start-job, wait-job, etc, but the only good resource I found for doing parallel work was writing the text of a script out and running thos...
https://stackoverflow.com/ques... 

PHP: exceptions vs errors?

... Exceptions are thrown - they are intended to be caught. Errors are generally unrecoverable. Lets say for instance - you have a block of code that will insert a row into a database. It is possible that this call fails (duplicate ID) - you will want to have a "Error" which in this case is an "Exc...
https://stackoverflow.com/ques... 

How can I manually generate a .pyc file from a .py file

...n not depend on Python's "import" statement to generate .pyc file automatically 8 Answers ...
https://stackoverflow.com/ques... 

How to enumerate an object's properties in Python?

...oes not return dynamic members (i.e., object attributes and methods dynamically defined by that object's __getattr__() method or similar magic). In all likelihood, your desired file.ImplementationName property is defined dynamically and hence not available to vars() or dir(). –...