大约有 47,000 项符合查询结果（耗时：0.0315秒） [XML]
Using variables inside a bash heredoc
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In answer to your first question, there's no parameter substitution because you've put the delimiter in quotes - the bash manual says:
The format of here-documents is:
<<[-]word
here-document
delimiter
No parameter expansion, command substit...
Elegant setup of Python logging in Django
I have yet to find a way of setting up Python logging with Django that I'm happy with. My requirements are fairly simple:
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Separation of business logic and data access in django
I am writing a project in Django and I see that 80% of the code is in the file models.py . This code is confusing and, after a certain time, I cease to understand what is really happening.
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JavaScript Regular Expression Email Validation [duplicate]
... escaped, so instead of '\w' you should have '\\w'.
Alternatively, define it as a regular expression:
var pattern = /^\w+@[a-zA-Z_]+?\.[a-zA-Z]{2,3}$/;
BTW, please don't validate email addresses on the client-side. Your regular expression is way too simple to pass for a solid implementation a...
Backbone.js: get current route
Using Backbone, is it possible for me to get the name of the current route? I know how to bind to route change events, but I'd like to be able to determine the current route at other times, in between changes.
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How can I use threading in Python?
... threading in Python. I've looked at the documentation and examples, but quite frankly, many examples are overly sophisticated and I'm having trouble understanding them.
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Python element-wise tuple operations like sum
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edited Sep 27 '10 at 11:14
community wiki
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Explicitly calling return in a function or not
... Urbanek from the R core team (I believe) for recommending a user to explicitly calling return at the end of a function (his comment was deleted though):
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What is the best method to merge two PHP objects?
...ay) $obj2);
This actually also works when objects have methods. (tested with PHP 5.3 and 5.6)
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No output to console from a WPF application?
I'm using Console.WriteLine() from a very simple WPF test application, but when I execute the application from the command line, I'm seeing nothing being written to the console. Does anyone know what might be going on here?
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