大约有 47,000 项符合查询结果(耗时:0.0613秒) [XML]

https://stackoverflow.com/ques... 

Run a Python script from another Python script, passing in arguments [duplicate]

...another Python script. I want to pass variables like I would using the command line. 6 Answers ...
https://stackoverflow.com/ques... 

How do I create a dictionary with keys from a list and values defaulting to (say) zero? [duplicate]

I have a = [1,2,3,4] and I want d = {1:0, 2:0, 3:0, 4:0} 5 Answers 5 ...
https://stackoverflow.com/ques... 

How do you read a file into a list in Python? [duplicate]

I want to prompt a user for a number of random numbers to be generated and saved to a file. He gave us that part. The part we have to do is to open that file, convert the numbers into a list, then find the mean, standard deviation, etc. without using the easy built-in Python tools. ...
https://stackoverflow.com/ques... 

django syncdb and an updated model

...support for migrations - take a look at the documentation. For Django 1.6 and earlier Django doesn't support migrations out of the box. There is a pluggable app for Django that does exactly that though, and it works great. It's called South. ...
https://stackoverflow.com/ques... 

Why do all browsers' user agents start with “Mozilla/”?

... It is a long and sad story. In summary: Mozilla browser gets released, with User-Agent Mozilla/1.0 (Win3.1). It is publicly renamed to Netscape, but in its User-Agent it keeps its original name . Internet Explorer is released. It spoof...
https://stackoverflow.com/ques... 

Deploying my application at the root in Tomcat

...couple of options: Remove the out-of-the-box ROOT/ directory from tomcat and rename your war file to ROOT.war before deploying it. Deploy your war as (from your example) war_name.war and configure the context root in conf/server.xml to use your war file : <Context path="" docBase="war_name" de...
https://stackoverflow.com/ques... 

When is it better to use an NSSet over an NSArray?

... In your example, you are adding primitives to an array and a set. Neither is possible because they can only contain objects. – FreeAsInBeer Jun 12 '12 at 13:28 ...
https://stackoverflow.com/ques... 

Scala: What is a TypeTag and how do I use it?

...hat they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject. ...
https://stackoverflow.com/ques... 

Mean per group in a data.frame [duplicate]

I have a data.frame and I need to calculate the mean per group (i.e. per Month , below). 8 Answers ...
https://stackoverflow.com/ques... 

Unittest setUp/tearDown for several tests

... is fired at the beginning/end of a scenario of tests? The functions setUp and tearDown are fired before/after every single test. ...