大约有 6,000 项符合查询结果(耗时:0.0252秒) [XML]

https://stackoverflow.com/ques... 

How to replace (or strip) an extension from a filename in Python?

... Try os.path.splitext it should do what you want. import os print os.path.splitext('/home/user/somefile.txt')[0]+'.jpg' share | ...
https://stackoverflow.com/ques... 

How to hide output of subprocess in Python 2.7

... Redirect the output to DEVNULL: import os import subprocess FNULL = open(os.devnull, 'w') retcode = subprocess.call(['echo', 'foo'], stdout=FNULL, stderr=subprocess.STDOUT) It is effectively the same as running this shell command: retcode = os.system("echo 'fo...
https://stackoverflow.com/ques... 

What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?

...a generated id after inserting. INSERT INTO my_profile (Address) VALUES ('123 Fake St.'); SELECT CAST(scope_identity() AS int) ExecuteReader gives you a data reader back which will allow you to read all of the columns of the results a row at a time. An example would be pulling profile informati...
https://stackoverflow.com/ques... 

Why does installing Nokogiri on Mac OS fail with libiconv is missing?

I've been trying to install Nokogiri on Mac OS 10.9.3 and whatever I try, the install fails in the end with the following error message: ...
https://stackoverflow.com/ques... 

Getting the thread ID from a thread

...by your app. So it is not a reliable identifier for threads in some scenarios and you will experience the exception : "An item with the same key has already been added." at line... Give the thread a unique name when you create it. – Forer May 10 '12 at 10:50 ...
https://stackoverflow.com/ques... 

How do you Encrypt and Decrypt a PHP String?

...xample I want to pass a GET parameter from page to page, let's say prod_id=123 but I just do not want to make 123 readable for everybody, however even if they could read it, it won't be a problem. An attacker being able to replace the 123 to a custom value won't cause any harm, he/she will only be a...
https://stackoverflow.com/ques... 

OS specific instructions in CMAKE: How to?

... Given this is such a common issue, geronto-posting: if(UNIX AND NOT APPLE) set(LINUX TRUE) endif() # if(NOT LINUX) should work, too, if you need that if(LINUX) message(STATUS ">>> Linux") # linux stuff here else()...
https://stackoverflow.com/ques... 

Templated check for the existence of a class member function?

Is it possible to write a template that changes behavior depending on if a certain member function is defined on a class? 2...
https://stackoverflow.com/ques... 

How do I get the path of the current executed file in Python?

...oding = sys.getfilesystemencoding() if we_are_frozen(): return os.path.dirname(unicode(sys.executable, encoding)) return os.path.dirname(unicode(__file__, encoding)) some_path/main.py: import module_locator my_path = module_locator.module_path() If you have several main scripts ...
https://stackoverflow.com/ques... 

How to test equality of Swift enums with associated values

...{ case Name(String) case Number(Int) } let t1 = SimpleToken.Number(123) let t2 = SimpleToken.Number(123) Before Swift 4.1 As others have noted, Swift doesn't synthesize the necessary equality operators automatically. Let me propose a cleaner (IMHO) implementation, though: enum SimpleToke...